loop0: detected capacity change from 0 to 764
loop4: detected capacity change from 0 to 312
loop7: detected capacity change from 0 to 1294
loop6: detected capacity change from 0 to 128
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.1/276
Modules linked in:
CPU: 1 UID: 0 PID: 276 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88800f79fce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11001ef3fa1 RCX: ffffffff81bf96d3
RDX: ffff8880166b1b80 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888016e1a540 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88800f79fd48
R13: 00000000ffffffff R14: ffff888016e1a540 R15: ffff888016e1a628
FS: 00005555892d4400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555892ddc58 CR3: 0000000034352000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495baf87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffccb23e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f32495baf87
RDX: 00007fffccb23f39 RSI: 000000000000000a RDI: 00007fffccb23f30
RBP: 00007fffccb23f30 R08: 00000000ffffffff R09: 00007fffccb23d00
R10: 00005555892d5c7b R11: 0000000000000246 R12: 00007f3249613105
R13: 00007fffccb24ff0 R14: 00005555892d5c20 R15: 00007fffccb25030
irq event stamp: 196139
hardirqs last enabled at (196147): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (196156): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (195926): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (195919): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 1300
loop3: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 1348
loop7: detected capacity change from 0 to 1294
loop4: detected capacity change from 0 to 312
loop0: detected capacity change from 0 to 764
loop1: detected capacity change from 0 to 1352
loop5: detected capacity change from 0 to 3528
loop7: detected capacity change from 0 to 1294
loop4: detected capacity change from 0 to 312
loop0: detected capacity change from 0 to 764
loop3: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 2320
loop5: detected capacity change from 0 to 3528
loop2: detected capacity change from 0 to 2320
loop5: detected capacity change from 0 to 3528
loop6: detected capacity change from 0 to 736
loop3: detected capacity change from 0 to 256
loop2: detected capacity change from 0 to 2320
loop3: detected capacity change from 0 to 3520
loop5: detected capacity change from 0 to 3528
loop6: detected capacity change from 0 to 736
loop4: detected capacity change from 0 to 264
loop2: detected capacity change from 0 to 2320
loop3: detected capacity change from 0 to 3520
loop4: detected capacity change from 0 to 760
loop7: detected capacity change from 0 to 3520
loop3: detected capacity change from 0 to 3520
loop6: detected capacity change from 0 to 736
loop1: detected capacity change from 0 to 368
loop7: detected capacity change from 0 to 184
loop4: detected capacity change from 0 to 136
loop3: detected capacity change from 0 to 3520
loop7: detected capacity change from 0 to 608
loop6: detected capacity change from 0 to 736
loop4: detected capacity change from 0 to 136
loop1: detected capacity change from 0 to 1298
loop0: detected capacity change from 0 to 5168
loop4: detected capacity change from 0 to 136
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 1 UID: 0 PID: 4066 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_cache_noprof+0x73/0x690
alloc_name+0x41/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
loop7: detected capacity change from 0 to 1304
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 1 UID: 0 PID: 4070 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
alloc_name+0x78/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
loop4: detected capacity change from 0 to 136
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4074 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_cache_noprof+0x73/0x690
alloc_name+0x41/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4075 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_cache_noprof+0x73/0x690
alloc_name+0x41/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
loop2: detected capacity change from 0 to 2560
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4083 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
alloc_name+0x78/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4085 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
shmem_alloc_inode+0x27/0x50
alloc_inode+0x67/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/9/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4089 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
alloc_name+0x78/0x110
__x64_sys_memfd_create+0x130/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
loop7: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 2560
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4096 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
shmem_alloc_inode+0x27/0x50
alloc_inode+0x67/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
loop3: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4101 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_inode_alloc+0x3e/0x130
inode_init_always_gfp+0xc94/0xff0
alloc_inode+0x8d/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4104 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
shmem_alloc_inode+0x27/0x50
alloc_inode+0x67/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4107 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
__d_alloc+0x31/0xa10
d_alloc_pseudo+0x1d/0xc0
alloc_file_pseudo+0xbe/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/10/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4111 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_inode_alloc+0x3e/0x130
inode_init_always_gfp+0xc94/0xff0
alloc_inode+0x8d/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
loop7: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4114 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_inode_alloc+0x3e/0x130
inode_init_always_gfp+0xc94/0xff0
alloc_inode+0x8d/0x250
new_inode+0x1e/0x160
__shmem_get_inode+0x17c/0xe80
__shmem_file_setup+0x107/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop2: detected capacity change from 0 to 2560
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/11/file0 supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4121 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
alloc_empty_file+0x58/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
loop6: detected capacity change from 0 to 512
kmemleak: Automatic memory scanning thread ended
loop3: detected capacity change from 0 to 512
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4129 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
__d_alloc+0x31/0xa10
d_alloc_pseudo+0x1d/0xc0
alloc_file_pseudo+0xbe/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4133 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_lru_noprof+0x76/0x6a0
__d_alloc+0x31/0xa10
d_alloc_pseudo+0x1d/0xc0
alloc_file_pseudo+0xbe/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4135 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_file_alloc+0x35/0x130
init_file+0x95/0x4c0
alloc_empty_file+0x76/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b9b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f32495b9b19
RDX: 0000000000028000 RSI: 0000000000000000 RDI: 00007f32496130fb
RBP: 000000000000000f R08: 0000000000014000 R09: ffffffffffffffff
R10: 000000000000000f R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005f800 R15: 0000000020012200
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4141 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
alloc_empty_file+0x58/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 1 UID: 0 PID: 4144 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
alloc_empty_file+0x58/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
loop2: detected capacity change from 0 to 2560
CPU: 0 UID: 0 PID: 4142 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000580 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop1: detected capacity change from 0 to 764
loop4: detected capacity change from 0 to 2048
loop6: detected capacity change from 0 to 2048
loop3: detected capacity change from 0 to 512
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/12/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop1: detected capacity change from 0 to 764
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/18/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop7: detected capacity change from 0 to 2048
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4162 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_file_alloc+0x35/0x130
init_file+0x95/0x4c0
alloc_empty_file+0x76/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09fe7ccb19
RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f09fe8260fb
RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4164 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_file_alloc+0x35/0x130
init_file+0x95/0x4c0
alloc_empty_file+0x76/0x1e0
alloc_file_pseudo+0x12b/0x220
__shmem_file_setup+0x1a7/0x370
alloc_file+0x11c/0x500
__x64_sys_memfd_create+0x193/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c6eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b521e3f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1b54c6eb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007f1b54cc80fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4174 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 1352
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4175 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000580 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop1: detected capacity change from 0 to 764
loop4: detected capacity change from 0 to 512
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4181 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001a0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop7: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4189 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop5: detected capacity change from 0 to 3528
CPU: 1 UID: 0 PID: 4192 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000580 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
loop6: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 1352
loop1: detected capacity change from 0 to 764
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/20/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4203 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4207 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
CPU: 1 UID: 0 PID: 4205 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001a0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop6: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 764
loop2: detected capacity change from 0 to 1024
loop0: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 3528
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/21/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4221 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4223 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000003e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop6: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 1352
loop1: detected capacity change from 0 to 764
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4227 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 00000000000000e0 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop0: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4237 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 00000000000000a0 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4240 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010d00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop3: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop5: detected capacity change from 0 to 3528
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/22/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop1: detected capacity change from 0 to 764
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4246 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000de0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop0: detected capacity change from 0 to 1352
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4250 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000200 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop7: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4252 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010d00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop3: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 3528
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop1: detected capacity change from 0 to 764
loop4: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/23/file0 supports timestamps until 2038-01-19 (0x7fffffff)
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.2/283
Modules linked in:
CPU: 1 UID: 0 PID: 283 Comm: syz-executor.2 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88800dd1fce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11001ba3fa1 RCX: ffffffff81bf96d3
RDX: ffff88801a5cb700 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88800e1bee00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88800dd1fd48
R13: 00000000ffffffff R14: ffff88800e1bee00 R15: ffff88800e1beee8
FS: 000055555dd98400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555569052c98 CR3: 000000003e629000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabba13ef87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd0d58d098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000023 RCX: 00007fabba13ef87
RDX: 00007ffd0d58d16a RSI: 000000000000000a RDI: 00007ffd0d58d160
RBP: 00007ffd0d58d160 R08: 00000000ffffffff R09: 00007ffd0d58cf30
R10: 000055555dd99c7b R11: 0000000000000246 R12: 00007fabba197105
R13: 00007ffd0d58e220 R14: 000055555dd99c20 R15: 00007ffd0d58e260
irq event stamp: 224369
hardirqs last enabled at (224379): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (224386): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (224042): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (224027): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4269 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
loop3: detected capacity change from 0 to 512
CPU: 1 UID: 0 PID: 4271 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010e00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000b000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop7: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
loop1: detected capacity change from 0 to 764
CPU: 0 UID: 0 PID: 4275 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000580 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop0: detected capacity change from 0 to 1352
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/15/file0 supports timestamps until 2038-01-19 (0x7fffffff)
FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop0): Filesystem has been set read-only
loop5: detected capacity change from 0 to 3528
loop2: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4288 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010e00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000b000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4292 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000200 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop5: detected capacity change from 0 to 3528
loop3: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 764
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/16/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop2: detected capacity change from 0 to 2048
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4300 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4301 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop1: detected capacity change from 0 to 764
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4303 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000580 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop0: detected capacity change from 0 to 1352
loop5: detected capacity change from 0 to 3528
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4307 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop1: detected capacity change from 0 to 764
CPU: 1 UID: 0 PID: 4308 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000580 RSI: 0000000020010a00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop5: detected capacity change from 0 to 3528
loop4: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4318 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004200 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4322 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020011000 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000d000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop2: detected capacity change from 0 to 640
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4326 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop1: detected capacity change from 0 to 764
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/19/file0 supports timestamps until 2038-01-19 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/17/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop4: detected capacity change from 0 to 512
------------[ cut here ]------------
WARNING: fs/ext4/super.c:1322 at ext4_put_super+0xbe7/0xf30, CPU#0: syz-executor.2/283
Modules linked in:
CPU: 0 UID: 0 PID: 283 Comm: syz-executor.2 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ext4_put_super+0xbe7/0xf30
Code: 7c ff 48 8d bd 00 02 00 00 e8 75 aa 66 00 31 ff 49 89 c4 48 89 c6 e8 08 c9 7c ff 4d 85 e4 0f 84 ff f9 ff ff e8 9a cd 7c ff 90 <0f> 0b 90 e9 f1 f9 ff ff e8 8c cd 7c ff 4c 89 ef e8 b4 09 4b ff c7
RSP: 0018:ffff88800dd1fd08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888047220000 RCX: ffffffff81f719d8
RDX: ffff88801a5cb700 RSI: ffffffff81f719e6 RDI: 0000000000000007
RBP: ffff88800e654000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000001 R14: ffff888047220618 R15: 0000000000000000
FS: 000055555dd98400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555dda1c58 CR3: 000000003e629000 CR4: 0000000000350ef0
Call Trace:
generic_shutdown_super+0x15a/0x4a0
kill_block_super+0x3b/0x90
ext4_kill_sb+0x6c/0xb0
deactivate_locked_super+0xbf/0x1a0
deactivate_super+0xb1/0xd0
cleanup_mnt+0x2df/0x430
task_work_run+0x172/0x280
exit_to_user_mode_loop+0xef/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabba13ef87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd0d58d098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000029 RCX: 00007fabba13ef87
RDX: 00007ffd0d58d16a RSI: 000000000000000a RDI: 00007ffd0d58d160
RBP: 00007ffd0d58d160 R08: 00000000ffffffff R09: 00007ffd0d58cf30
R10: 000055555dd99c7b R11: 0000000000000246 R12: 00007fabba197105
R13: 00007ffd0d58e220 R14: 000055555dd99c20 R15: 00007ffd0d58e260
irq event stamp: 238617
hardirqs last enabled at (238627): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (238636): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (238426): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (238657): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4335 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010700 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4337 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop7: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4341 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020011000 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000d000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop1: detected capacity change from 0 to 764
loop2: detected capacity change from 0 to 640
loop5: detected capacity change from 0 to 3528
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4348 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020010800 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/20/file0 supports timestamps until 2038-01-19 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/18/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4361 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000380 RSI: 0000000020011100 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000e000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop3: detected capacity change from 0 to 2560
loop1: detected capacity change from 0 to 764
loop2: detected capacity change from 0 to 640
loop4: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4365 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000120 RSI: 0000000020010900 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop0: detected capacity change from 0 to 1352
CPU: 1 UID: 0 PID: 4366 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011100 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
ISOFS: root inode is unusable. Disabling Rock Ridge and switching to Joliet.
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/22/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/21/file0 supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4375 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000380 RSI: 0000000020011100 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000e000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4379 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000080 RSI: 0000000020010b00 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000014800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
loop1: detected capacity change from 0 to 764
loop3: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4387 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011200 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/23/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop5: detected capacity change from 0 to 3528
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4396 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000200 RSI: 0000000020011500 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000e800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
loop1: detected capacity change from 0 to 764
loop6: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4403 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000080 RSI: 0000000020010b00 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000014800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4406 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000140 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000f000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
loop7: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 764
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4411 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011200 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop5: detected capacity change from 0 to 3528
R
RIP_1991A
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4415 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000420 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000024800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop6: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1352
loop3: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/25/file0 supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4423 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011300 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4424 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000140 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000f000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
loop5: detected capacity change from 0 to 3528
loop1: detected capacity change from 0 to 764
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4434 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
loop2: detected capacity change from 0 to 512
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000420 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000024800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop0: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 512
RRIP_1991A
loop7: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4445 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000020 RSI: 0000000020011100 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000034800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c
loop2: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4451 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 00000000000000a0 RSI: 0000000020011900 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000f800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
ext4 filesystem being mounted at /syzkaller-testdir648090078/syzkaller.UlIcZe/27/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop1: detected capacity change from 0 to 764
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4450 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020011400 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
loop6: detected capacity change from 0 to 2560
loop5: detected capacity change from 0 to 3528
loop0: detected capacity change from 0 to 1352
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/23/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop4: detected capacity change from 0 to 4096
loop2: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4469 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020011400 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
loop5: detected capacity change from 0 to 3528
loop4: detected capacity change from 0 to 1024
loop6: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4484 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020011500 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000100c0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4477 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000100 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop2: detected capacity change from 0 to 512
CPU: 0 UID: 0 PID: 4483 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000420 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000024800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop1: detected capacity change from 0 to 764
loop5: detected capacity change from 0 to 3528
loop0: detected capacity change from 0 to 1352
loop7: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/25/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop4: detected capacity change from 0 to 2048
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4503 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000040 RSI: 0000000020011600 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010160 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop2: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4510 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000100 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
loop5: detected capacity change from 0 to 3528
CPU: 1 UID: 0 PID: 4504 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000080 RSI: 0000000020011200 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000054800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
loop1: detected capacity change from 0 to 764
loop0: detected capacity change from 0 to 1352
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/27/file0 supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4515 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000080 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c
loop4: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/29/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop2: detected capacity change from 0 to 2048
loop6: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4536 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011800 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000108e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop3: detected capacity change from 0 to 640
CPU: 1 UID: 0 PID: 4537 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000080 RSI: 0000000020011b00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c
loop4: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/30/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop1: detected capacity change from 0 to 764
loop2: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/29/mnt supports timestamps until 2038-01-19 (0x7fffffff)
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4552 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011900 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010960 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
loop0: detected capacity change from 0 to 1352
------------[ cut here ]------------
WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#1: syz-executor.4/287
Modules linked in:
CPU: 1 UID: 0 PID: 287 Comm: syz-executor.4 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:cleanup_mnt+0x33f/0x430
Code: c7 a0 45 d1 85 e8 01 7c fa 02 49 8d 7d 40 5b 48 c7 c6 10 e2 be 81 5d 41 5c 41 5d 41 5e 41 5f e9 57 b3 9c ff e8 82 46 b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 74 46 b4 ff 4c 89 ef e8 6c d7 06 00 e9
RSP: 0018:ffff888017e3fe20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000fffffffe RCX: ffffffff81bf9de5
RDX: ffff888015efd280 RSI: ffffffff81bfa0fe RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 00000000fffffffe R11: 0000000000000001 R12: ffff888015efdb58
R13: ffff888016e1b180 R14: 0000000000000001 R15: ffff888016e1b1c0
FS: 0000555578a7c400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555578a85c58 CR3: 0000000044588000 CR4: 0000000000350ef0
Call Trace:
task_work_run+0x172/0x280
exit_to_user_mode_loop+0xef/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f46fb74ff87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff4eca3b28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000045 RCX: 00007f46fb74ff87
RDX: 00007fff4eca3bfa RSI: 000000000000000a RDI: 00007fff4eca3bf0
RBP: 00007fff4eca3bf0 R08: 00000000ffffffff R09: 00007fff4eca39c0
R10: 0000555578a7dc7b R11: 0000000000000246 R12: 00007f46fb7a8105
R13: 00007fff4eca4cb0 R14: 0000555578a7dc20 R15: 00007fff4eca4cf0
irq event stamp: 292209
hardirqs last enabled at (292217): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (292226): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (292122): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (292115): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 3528
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4563 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020011c00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
loop6: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4568 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f09fbd41f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fab7
RDX: 0000000000000080 RSI: 0000000020011200 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000054800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
loop0: detected capacity change from 0 to 1352
loop1: detected capacity change from 0 to 764
loop2: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/30/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4582 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
getname_flags.part.0+0x48/0x540
getname_flags+0x95/0xe0
do_sys_openat2+0x9f/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f09fbd41ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fa04
RDX: 0000000000000002 RSI: 00007f09fbd42000 RDI: 00000000ffffff9c
RBP: 00007f09fbd42000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4586 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop6: detected capacity change from 0 to 512
CPU: 0 UID: 0 PID: 4588 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000020 RSI: 0000000020011c00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
loop1: detected capacity change from 0 to 764
loop5: detected capacity change from 0 to 3528
loop2: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/31/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4600 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
getname_flags.part.0+0x8d/0x540
getname_flags+0x95/0xe0
do_sys_openat2+0x9f/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f09fbd41ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fa04
RDX: 0000000000000002 RSI: 00007f09fbd42000 RDI: 00000000ffffff9c
RBP: 00007f09fbd42000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4601 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000420 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000014000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4604 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4609 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
getname_flags.part.0+0x8d/0x540
getname_flags+0x95/0xe0
do_sys_openat2+0x9f/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f09fbd41ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fa04
RDX: 0000000000000002 RSI: 00007f09fbd42000 RDI: 00000000ffffff9c
RBP: 00007f09fbd42000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
loop5: detected capacity change from 0 to 3528
loop1: detected capacity change from 0 to 764
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4613 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000040 RSI: 0000000020011b00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000110a0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000380 R15: 0000000000000010
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4618 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_file_alloc+0x35/0x130
init_file+0x95/0x4c0
alloc_empty_file+0x76/0x1e0
path_openat+0xe0/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f09fbd41ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe77fa04
RDX: 0000000000000002 RSI: 00007f09fbd42000 RDI: 00000000ffffff9c
RBP: 00007f09fbd42000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
loop5: detected capacity change from 0 to 3528
loop2: detected capacity change from 0 to 144
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4621 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956cab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f3246b2ef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956cab7
RDX: 0000000000000420 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000014000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
loop1: detected capacity change from 0 to 764
CPU: 0 UID: 0 PID: 4623 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020011c00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000398 R15: 0000000000000011
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir510218149/syzkaller.cXLwib/32/mnt supports timestamps until 2038-01-19 (0x7fffffff)
loop3: detected capacity change from 0 to 144
loop6: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/35/mnt supports timestamps until 2038-01-19 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/30/mnt supports timestamps until 2038-01-19 (0x7fffffff)
loop4: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/38/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4638 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
__kernfs_new_node+0xd3/0x870
kernfs_new_node+0x13c/0x1e0
kernfs_create_dir_ns+0x4d/0x1a0
internal_create_group+0xa7f/0xeb0
loop_configure+0xc42/0x1590
lo_ioctl+0x66d/0x1c70
blkdev_ioctl+0x27c/0x6c0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7cc8d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09fbd41f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f09fe816970 RCX: 00007f09fe7cc8d7
RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
loop0: detected capacity change from 0 to 1352
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4642 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000060 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000118c0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003b0 R15: 0000000000000012
loop5: detected capacity change from 0 to 3528
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4645 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
getname_flags.part.0+0x48/0x540
getname_flags+0x95/0xe0
do_sys_openat2+0x9f/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956ca04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f3246b2eed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956ca04
RDX: 0000000000000002 RSI: 00007f3246b2f000 RDI: 00000000ffffff9c
RBP: 00007f3246b2f000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
loop0: detected capacity change from 0 to 1352
loop6: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/31/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4659 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011e00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000119a0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003c8 R15: 0000000000000013
loop3: detected capacity change from 0 to 144
loop4: detected capacity change from 0 to 144
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4663 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
strncpy_from_user+0x3b/0x2f0
getname_flags.part.0+0x8d/0x540
getname_flags+0x95/0xe0
do_sys_openat2+0x9f/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956ca04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f3246b2eed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956ca04
RDX: 0000000000000002 RSI: 00007f3246b2f000 RDI: 00000000ffffff9c
RBP: 00007f3246b2f000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.0/282
Modules linked in:
CPU: 0 UID: 0 PID: 282 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff888017047c00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002e08f85 RCX: ffffffff81bf96d3
RDX: ffff888016e9b700 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888045de96c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888017047c68
R13: 00000000ffffffff R14: dead000000000100 R15: ffff888045de96c0
FS: 0000555569041400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32496c1fd8 CR3: 000000003984a000 CR4: 0000000000350ef0
Call Trace:
namespace_unlock+0x7f1/0x810
path_umount+0x6a4/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7cdf87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff909d6c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000005b RCX: 00007f09fe7cdf87
RDX: 00007fff909d6d0a RSI: 000000000000000a RDI: 00007fff909d6d00
RBP: 00007fff909d6d00 R08: 00000000ffffffff R09: 00007fff909d6ad0
R10: 0000555569042c7b R11: 0000000000000246 R12: 00007f09fe826105
R13: 00007fff909d7dc0 R14: 0000555569042c20 R15: 00007fff909d7e00
irq event stamp: 300425
hardirqs last enabled at (300433): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (300442): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (300352): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (300329): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.0/282
Modules linked in:
CPU: 0 UID: 0 PID: 282 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff888017047ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002e08fa1 RCX: ffffffff81bf96d3
RDX: ffff888016e9b700 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888045de96c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffffe R11: 0000000000000001 R12: ffff888017047d48
R13: 00000000fffffffe R14: ffff888045de96c0 R15: ffff888045de97a8
FS: 0000555569041400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32496c1fd8 CR3: 000000003984a000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe7cdf87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff909d6c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000005b RCX: 00007f09fe7cdf87
RDX: 00007fff909d6d0a RSI: 000000000000000a RDI: 00007fff909d6d00
RBP: 00007fff909d6d00 R08: 00000000ffffffff R09: 00007fff909d6ad0
R10: 0000555569042c7b R11: 0000000000000246 R12: 00007f09fe826105
R13: 00007fff909d7dc0 R14: 0000555569042c20 R15: 00007fff909d7e00
irq event stamp: 301003
hardirqs last enabled at (301011): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (301020): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (300920): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (300915): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/39/mnt supports timestamps until 2038-01-19 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/36/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4675 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
alloc_empty_file+0x58/0x1e0
path_openat+0xe0/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956ca04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f3246b2eed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956ca04
RDX: 0000000000000002 RSI: 00007f3246b2f000 RDI: 00000000ffffff9c
RBP: 00007f3246b2f000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
loop6: detected capacity change from 0 to 144
ext4 filesystem being mounted at /syzkaller-testdir606937019/syzkaller.NFeVr1/32/mnt supports timestamps until 2038-01-19 (0x7fffffff)
Bluetooth: hci0: Opcode 0x0c1a failed: -4
Bluetooth: hci0: Error when powering off device on rfkill (-4)
Bluetooth: hci1: Opcode 0x0c1a failed: -4
Bluetooth: hci1: Error when powering off device on rfkill (-4)
Bluetooth: hci2: Opcode 0x0c1a failed: -4
Bluetooth: hci2: Error when powering off device on rfkill (-4)
Bluetooth: hci3: Opcode 0x0c1a failed: -4
Bluetooth: hci3: Error when powering off device on rfkill (-4)
Bluetooth: hci4: Opcode 0x0c1a failed: -4
Bluetooth: hci4: Error when powering off device on rfkill (-4)
Bluetooth: hci5: Opcode 0x0c1a failed: -4
Bluetooth: hci5: Error when powering off device on rfkill (-4)
Bluetooth: hci6: Opcode 0x0c1a failed: -4
Bluetooth: hci6: Error when powering off device on rfkill (-4)
Bluetooth: hci7: Opcode 0x0c1a failed: -4
Bluetooth: hci7: Error when powering off device on rfkill (-4)
loop3: detected capacity change from 0 to 144
process 'syz-executor.7' launched './file1' with NULL argv: empty string added
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 4692 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1af/0x500
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
folio_alloc_mpol_noprof+0x38/0x2a0
shmem_alloc_folio+0x11b/0x140
shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
shmem_write_begin+0x147/0x2e0
generic_perform_write+0x392/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011f00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000012000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014
ext4 filesystem being mounted at /syzkaller-testdir921845535/syzkaller.8G9zwn/37/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
loop4: detected capacity change from 0 to 144
CPU: 0 UID: 0 PID: 4697 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
security_file_alloc+0x35/0x130
init_file+0x95/0x4c0
alloc_empty_file+0x76/0x1e0
path_openat+0xe0/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956ca04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f3246b2eed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956ca04
RDX: 0000000000000002 RSI: 00007f3246b2f000 RDI: 00000000ffffff9c
RBP: 00007f3246b2f000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4705 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
alloc_empty_file+0x58/0x1e0
path_openat+0xe0/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f324956ca04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f3246b2eed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f324956ca04
RDX: 0000000000000002 RSI: 00007f3246b2f000 RDI: 00000000ffffff9c
RBP: 00007f3246b2f000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
loop5: detected capacity change from 0 to 3528
ext4 filesystem being mounted at /syzkaller-testdir225126592/syzkaller.SBqgqr/40/mnt supports timestamps until 2038-01-19 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4711 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
_copy_to_user+0x32/0xd0
simple_read_from_buffer+0xe0/0x180
proc_fail_nth_read+0x18a/0x240
vfs_read+0x1eb/0xc70
ksys_read+0x121/0x240
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09fe77f69c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f09fbd42170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007f09fe77f69c
RDX: 000000000000000f RSI: 00007f09fbd421e0 RDI: 0000000000000003
RBP: 00007f09fbd421d0 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff909d7aef R14: 00007f09fbd42300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4715 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020011f00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000012000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014
loop1: detected capacity change from 0 to 764
loop5: detected capacity change from 0 to 3528
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4734 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
copy_folio_from_iter_atomic+0x3d3/0x18c0
generic_perform_write+0x1d7/0x810
shmem_file_write_iter+0x111/0x140
vfs_write+0xbe9/0x1150
__x64_sys_pwrite64+0x1f1/0x260
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b54c21ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f1b521e3f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f1b54cb8970 RCX: 00007f1b54c21ab7
RDX: 0000000000000020 RSI: 0000000020012000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000012800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003f8 R15: 0000000000000015
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4733 Comm: syz-executor.1 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x72/0x690
__kernfs_new_node+0xd3/0x870
kernfs_new_node+0x13c/0x1e0
__kernfs_create_file+0x55/0x360
sysfs_add_file_mode_ns+0x21c/0x440
internal_create_group+0x571/0xeb0
loop_configure+0xc42/0x1590
lo_ioctl+0x66d/0x1c70
blkdev_ioctl+0x27c/0x6c0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32495b98d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3246b2ef48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3249603970 RCX: 00007f32495b98d7
RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
loop5: detected capacity change from 0 to 3528
loop1: detected capacity change from 0 to 764