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kernel BUG at fs/notify/dnotify/dnotify.c:136!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound fsnotify_mark_destroy_workfn
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136
Code: 4c 89 f7 e8 6f cd df ff 49 83 3e 00 75 17 e8 74 e2 8e ff 48 8b 3d 8d 64 2c 0c 48 89 de 5b 41 5e e9 c2 03 df ff e8 5d e2 8e 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:ffffc90000107b68 EFLAGS: 00010293
RAX: ffffffff81f39013 RBX: ffff888058591000 RCX: ffff88813feabb80
RDX: 0000000000000000 RSI: ffffffff8a8c1220 RDI: ffff888058591000
RBP: ffffc90000107c30 R08: ffffffff90af32ff R09: 1ffffffff215e65f
R10: dffffc0000000000 R11: fffffbfff215e660 R12: 1ffff1100b0b2202
R13: dffffc0000000000 R14: ffff888058591080 R15: ffffffff8a9a2be8
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b1fff8 CR3: 000000002fb4d000 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+0x257/0x2f0 fs/notify/mark.c:928
 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136
Code: 4c 89 f7 e8 6f cd df ff 49 83 3e 00 75 17 e8 74 e2 8e ff 48 8b 3d 8d 64 2c 0c 48 89 de 5b 41 5e e9 c2 03 df ff e8 5d e2 8e 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:ffffc90000107b68 EFLAGS: 00010293
RAX: ffffffff81f39013 RBX: ffff888058591000 RCX: ffff88813feabb80
RDX: 0000000000000000 RSI: ffffffff8a8c1220 RDI: ffff888058591000
RBP: ffffc90000107c30 R08: ffffffff90af32ff R09: 1ffffffff215e65f
R10: dffffc0000000000 R11: fffffbfff215e660 R12: 1ffff1100b0b2202
R13: dffffc0000000000 R14: ffff888058591080 R15: ffffffff8a9a2be8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7cf7e8400 CR3: 0000000064a6e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400