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kernel BUG at fs/notify/dnotify/dnotify.c:118!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events_unbound fsnotify_mark_destroy_workfn
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118
Code: 4c 89 f7 e8 5f c7 e3 ff 49 83 3e 00 75 17 e8 14 64 9f ff 48 8b 3d dd 3e 91 0b 48 89 de 5b 41 5e e9 72 fd e2 ff e8 fd 63 9f ff <0f> 0b 00 00 cc cc 00 00 cc cc 00 00 cc 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90000ce7b68 EFLAGS: 00010293
RAX: ffffffff81d86023 RBX: ffff88801d5f9000 RCX: ffff88813fed0000
RDX: 0000000000000000 RSI: 0000000000000036 RDI: ffff88801d5f9000
RBP: ffffc90000ce7c30 R08: dffffc0000000000 R09: ffffed10280fb802
R10: ffffed10280fb802 R11: 1ffff110280fb801 R12: 1ffff11003abf202
R13: dffffc0000000000 R14: ffff88801d5f9080 R15: ffffffff8a176528
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f424fe2a000 CR3: 00000000785d6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fsnotify_final_mark_destroy fs/notify/mark.c:304 [inline]
 fsnotify_mark_destroy_workfn+0x24f/0x2e0 fs/notify/mark.c:928
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 8eb968a4e083060a ]---
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118
Code: 4c 89 f7 e8 5f c7 e3 ff 49 83 3e 00 75 17 e8 14 64 9f ff 48 8b 3d dd 3e 91 0b 48 89 de 5b 41 5e e9 72 fd e2 ff e8 fd 63 9f ff <0f> 0b 00 00 cc cc 00 00 cc cc 00 00 cc 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90000ce7b68 EFLAGS: 00010293
RAX: ffffffff81d86023 RBX: ffff88801d5f9000 RCX: ffff88813fed0000
RDX: 0000000000000000 RSI: 0000000000000036 RDI: ffff88801d5f9000
RBP: ffffc90000ce7c30 R08: dffffc0000000000 R09: ffffed10280fb802
R10: ffffed10280fb802 R11: 1ffff110280fb801 R12: 1ffff11003abf202
R13: dffffc0000000000 R14: ffff88801d5f9080 R15: ffffffff8a176528
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe63fe150a0 CR3: 000000007aaa4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400