ext4 filesystem being mounted at /syzkaller-testdir731607994/syzkaller.WRqiBO/13/file0 supports timestamps until 2038-01-19 (0x7fffffff)
loop7: detected capacity change from 0 to 2048
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.1/280
Modules linked in:
CPU: 0 UID: 0 PID: 280 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:ffff8880171d7ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002e3afa1 RCX: ffffffff81bf96d3
RDX: ffff888017205280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801fa90fc0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff8880171d7d48
R13: 00000000ffffffff R14: ffff88801fa90fc0 R15: ffff88801fa910a8
FS: 000055556326f400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555563278c58 CR3: 000000003baeb000 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: 0033:0x7fa338c5cf87
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:00007ffcfa4ebe88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000002e RCX: 00007fa338c5cf87
RDX: 00007ffcfa4ebf5a RSI: 000000000000000a RDI: 00007ffcfa4ebf50
RBP: 00007ffcfa4ebf50 R08: 00000000ffffffff R09: 00007ffcfa4ebd20
R10: 0000555563270c7b R11: 0000000000000246 R12: 00007fa338cb5105
R13: 00007ffcfa4ed010 R14: 0000555563270c20 R15: 00007ffcfa4ed050
irq event stamp: 228735
hardirqs last enabled at (228743): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (228752): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (228496): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (228491): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs (loop1): 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 filesystem being mounted at /syzkaller-testdir171412945/syzkaller.7mbPHT/19/file0 supports timestamps until 2038-01-19 (0x7fffffff)
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: 4493 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_from_user+0x30/0xd0
move_addr_to_kernel.part.0+0x40/0x120
__sys_bind+0x14b/0x2b0
__x64_sys_bind+0x73/0xb0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa338c5bb19
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:00007fa3361d1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007fa338d6ef60 RCX: 00007fa338c5bb19
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007fa3361d11d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcfa4ecd3f R14: 00007fa3361d1300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4500 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
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: 0033:0x7fd5afb6769c
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:00007fd5ad12a170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000036 RCX: 00007fd5afb6769c
RDX: 000000000000000f RSI: 00007fd5ad12a1e0 RDI: 0000000000000003
RBP: 00007fd5ad12a1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc73b8fbbf R14: 00007fd5ad12a300 R15: 0000000000022000
loop7: detected capacity change from 0 to 2048
loop6: 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: 4506 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_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: 0033:0x7fa338c0e69c
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:00007fa3361d1170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007fa338c0e69c
RDX: 000000000000000f RSI: 00007fa3361d11e0 RDI: 0000000000000004
RBP: 00007fa3361d11d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcfa4ecd3f R14: 00007fa3361d1300 R15: 0000000000022000
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir171412945/syzkaller.7mbPHT/20/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir603873166/syzkaller.tWb5g3/30/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: 4523 Comm: syz-executor.3 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: 0033:0x7f1de65ff69c
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:00007f1de3bc2170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000036 RCX: 00007f1de65ff69c
RDX: 000000000000000f RSI: 00007f1de3bc21e0 RDI: 0000000000000003
RBP: 00007f1de3bc21d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffded0e9d9f R14: 00007f1de3bc2300 R15: 0000000000022000
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 2048
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir171412945/syzkaller.7mbPHT/21/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.