loop2: detected capacity change from 0 to 1352 ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260114 #1 Not tainted ------------------------------------- syz-executor.0/5408 is trying to release lock (rcu_read_lock) at: [] __wait_on_freeing_inode+0x105/0x350 but there are no more locks to release! other info that might help us debug this: 4 locks held by syz-executor.0/5408: #0: ffff888009e343f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88801bcab388 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff888009e18950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xe32/0x12d0 #3: ffffffff85c16898 (inode_hash_lock){+.+.}-{3:3}, at: insert_inode_locked+0xf9/0x890 stack backtrace: CPU: 1 UID: 0 PID: 5408 Comm: syz-executor.0 Not tainted 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 print_unlock_imbalance_bug+0x118/0x130 lock_release+0x1ee/0x270 __wait_on_freeing_inode+0x10a/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_symlink+0x623/0xb40 vfs_symlink+0x44b/0x840 do_symlinkat+0x153/0x440 __x64_sys_symlink+0x79/0xa0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc1ccafd427 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 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:00007ffd078c6f18 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1ccafd427 RDX: ffffffffffffffbc RSI: 00007fc1ccb5800e RDI: 00007fc1ccb571dd RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd078c6990 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd078c6fe0 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.0/5408 Modules linked in: CPU: 1 UID: 0 PID: 5408 Comm: syz-executor.0 Not tainted 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__rcu_read_unlock+0x25f/0x5c0 Code: f2 02 00 00 c7 43 58 01 00 00 00 bf 09 00 00 00 e8 16 c0 de ff 4d 85 f6 0f 84 73 fe ff ff e8 38 8a 20 00 fb e9 68 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e e9 81 24 74 03 e8 bc 5c 56 00 e9 RSP: 0018:ffff8880569279a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff888054c43700 RCX: ffffffff81565a27 RDX: 0000000000000000 RSI: ffffffff81565a30 RDI: ffff888054c43afc RBP: ffff888054c43700 R08: 0000000000000000 R09: fffffbfff0ba6ffc R10: 0000000000000000 R11: 0000000000000001 R12: ffff888054c43700 R13: 0000000000000001 R14: ffffffff85c0e500 R15: ffff88804de69fb0 FS: 000055558a3ff400(0000) GS:ffff8880e5443000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc02aa6d28 CR3: 0000000056484000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_symlink+0x623/0xb40 vfs_symlink+0x44b/0x840 do_symlinkat+0x153/0x440 __x64_sys_symlink+0x79/0xa0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc1ccafd427 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 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:00007ffd078c6f18 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1ccafd427 RDX: ffffffffffffffbc RSI: 00007fc1ccb5800e RDI: 00007fc1ccb571dd RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd078c6990 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd078c6fe0 irq event stamp: 629 hardirqs last enabled at (629): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (628): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (624): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (622): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 UID: 0 PID: 5460 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x730 __do_sys_memfd_create+0x1e5/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb 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: 5470 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x730 __do_sys_memfd_create+0x1e5/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5474 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x730 __do_sys_memfd_create+0x1e5/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 1 UID: 0 PID: 5481 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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 __do_sys_memfd_create+0x21e/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb 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: 5493 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 shmem_alloc_inode+0x27/0x50 alloc_inode+0x67/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5502 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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 __do_sys_memfd_create+0x21e/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop0): 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: 5517 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 shmem_alloc_inode+0x27/0x50 alloc_inode+0x67/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5529 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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 __do_sys_memfd_create+0x21e/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5531 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc9d/0xff0 alloc_inode+0x8d/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5536 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 shmem_alloc_inode+0x27/0x50 alloc_inode+0x67/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop0): 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: 5554 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc9d/0xff0 alloc_inode+0x8d/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5557 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 __d_alloc+0x34/0x9c0 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xbe/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop0): 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: 5575 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 alloc_empty_file+0x58/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300 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: 5586 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 __d_alloc+0x34/0x9c0 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xbe/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5587 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc9d/0xff0 alloc_inode+0x8d/0x250 new_inode+0x1e/0x160 __shmem_get_inode+0x17c/0xe80 __shmem_file_setup+0x108/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 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 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. CPU: 1 UID: 0 PID: 5604 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_file_alloc+0x35/0x130 init_file+0x95/0x480 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad51b19 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:00007f8f182c6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8f1ad51b19 RDX: 00000000000a9000 RSI: 0000000000000000 RDI: 00007f8f1adab0fb RBP: 000000000000000e R08: 0000000000054800 R09: ffffffffffffffff R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a9000 R15: 0000000020011300 EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): 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: 5614 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 alloc_empty_file+0x58/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. 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: 1 UID: 0 PID: 5623 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x84/0x770 __d_alloc+0x34/0x9c0 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xbe/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. CPU: 1 UID: 0 PID: 5635 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5642 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_file_alloc+0x35/0x130 init_file+0x95/0x480 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245dc8b19 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:00007f324333df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3245dc8b19 RDX: 000000000000f000 RSI: 0000000000000000 RDI: 00007f3245e220fb RBP: 000000000000000a R08: 0000000000007800 R09: ffffffffffffffff R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010f00 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): 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: 5657 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir751430890/syzkaller.TcgvJg/93/file0 supports timestamps until 2038-01-19 (0x7fffffff) CPU: 1 UID: 0 PID: 5660 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 alloc_empty_file+0x58/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. CPU: 0 UID: 0 PID: 5671 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000000001e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 EXT4-fs (loop2): 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: 5678 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000040 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. CPU: 0 UID: 0 PID: 5679 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000000003e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5696 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000040 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. 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 ext4 filesystem being mounted at /syzkaller-testdir751430890/syzkaller.TcgvJg/95/file0 supports timestamps until 2038-01-19 (0x7fffffff) CPU: 0 UID: 0 PID: 5708 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000020 RSI: 0000000020010100 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. 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: 5714 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x80/0x760 security_file_alloc+0x35/0x130 init_file+0x95/0x480 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x12b/0x220 __shmem_file_setup+0x1a8/0x370 __do_sys_memfd_create+0x4cc/0xa90 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7beeb19 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:00007fb7c5163f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb7c7beeb19 RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007fb7c7c480fb RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200 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: 0 UID: 0 PID: 5719 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 00000000000000e0 RSI: 0000000020010300 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 CPU: 1 UID: 0 PID: 5717 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir096557685/syzkaller.TaKMAa/91/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. CPU: 0 UID: 0 PID: 5743 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7ba1ab7 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:00007fb7c5163f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb7c7c38970 RCX: 00007fb7c7ba1ab7 RDX: 0000000000000060 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000d R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 FAT-fs (loop6): bogus number of reserved sectors FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 FAT-fs (loop6): Can't find a valid FAT filesystem CPU: 0 UID: 0 PID: 5749 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000de0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir096557685/syzkaller.TaKMAa/92/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): 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: 5761 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 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_usercopy, interval 1, probability 0, space 0, times 0 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir096557685/syzkaller.TaKMAa/93/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: 5765 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7ba1ab7 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:00007fb7c5163f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb7c7c38970 RCX: 00007fb7c7ba1ab7 RDX: 0000000000000060 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000d R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 CPU: 1 UID: 0 PID: 5766 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5784 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop0): 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: 5792 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7ba1ab7 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:00007fb7c5163f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb7c7c38970 RCX: 00007fb7c7ba1ab7 RDX: 0000000000000020 RSI: 0000000020010100 RDI: 0000000000000004 RBP: 000000000000000d R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 ext4 filesystem being mounted at /syzkaller-testdir096557685/syzkaller.TaKMAa/94/file0 supports timestamps until 2038-01-19 (0x7fffffff) set_capacity_and_notify: 44 callbacks suppressed loop6: detected capacity change from 0 to 5408 EXT4-fs (loop0): 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: 5800 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7ba1ab7 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:00007fb7c5163f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb7c7c38970 RCX: 00007fb7c7ba1ab7 RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004 RBP: 000000000000000d R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000000009e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 loop6: detected capacity change from 0 to 5408 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5811 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 CPU: 0 UID: 0 PID: 5805 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 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_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5819 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000020 RSI: 0000000020010600 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004200 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5829 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000020 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 5833 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000120 RSI: 0000000020010500 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000002800 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 loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): 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: 0 UID: 0 PID: 5840 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000020 RSI: 0000000020010800 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004600 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008 CPU: 0 UID: 0 PID: 5834 Comm: syz-executor.6 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7c7ba1ab7 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:00007fb7c5163f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. RAX: ffffffffffffffda RBX: 00007fb7c7c38970 RCX: 00007fb7c7ba1ab7 RDX: 0000000000000060 RSI: 0000000020010300 RDI: 0000000000000004 RBP: 000000000000000d R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000003000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 loop6: detected capacity change from 0 to 5408 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Error when powering off device on rfkill (-4) Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: 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) 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: 1 UID: 0 PID: 5852 Comm: syz-executor.4 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3245d7bab7 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:00007f324333df20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f3245e12970 RCX: 00007f3245d7bab7 RDX: 0000000000000080 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 000000000000000a R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000003800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 CPU: 0 UID: 0 PID: 5854 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x383/0x1850 generic_perform_write+0x1d7/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000120 RSI: 0000000020010900 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009 loop6: detected capacity change from 0 to 5408 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 5862 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260114 #1 PREEMPT(lazy) 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+0x1eb/0x550 __alloc_frozen_pages_noprof+0x186/0x25b0 alloc_pages_mpol+0xed/0x340 folio_alloc_mpol_noprof+0x38/0x2a0 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4ea/0x13b0 shmem_write_begin+0x194/0x3b0 generic_perform_write+0x391/0x810 shmem_file_write_iter+0x111/0x140 vfs_write+0xbe9/0x1150 __x64_sys_pwrite64+0x1f1/0x260 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f1ad04ab7 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:00007f8f182c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f8f1ad9b970 RCX: 00007f8f1ad04ab7 RDX: 0000000000000080 RSI: 0000000020010b00 RDI: 0000000000000004 RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000014800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)