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kernel BUG at fs/notify/dnotify/dnotify.c:118!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1257 Comm: kworker/u4:5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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 2f 74 e3 ff 49 83 3e 00 75 17 e8 54 55 9e ff 48 8b 3d ad 47 af 0b 48 89 de 5b 41 5e e9 62 aa e2 ff e8 3d 55 9e 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:ffffc90004ea7b68 EFLAGS: 00010293
RAX: ffffffff81dae0d3 RBX: ffff88806e733000 RCX: ffff888021f1bb80
RDX: 0000000000000000 RSI: ffffffff8a2c3640 RDI: ffff88806e733000
RBP: ffffc90004ea7c30 R08: ffffffff901d6187 R09: 1ffffffff203ac30
R10: dffffc0000000000 R11: fffffbfff203ac31 R12: 1ffff1100dce6602
R13: dffffc0000000000 R14: ffff88806e733080 R15: ffffffff8a378f08
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3005ffff CR3: 000000002a9d6000 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+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 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 c180de4e991e4c19 ]---
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118
Code: 4c 89 f7 e8 2f 74 e3 ff 49 83 3e 00 75 17 e8 54 55 9e ff 48 8b 3d ad 47 af 0b 48 89 de 5b 41 5e e9 62 aa e2 ff e8 3d 55 9e 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:ffffc90004ea7b68 EFLAGS: 00010293
RAX: ffffffff81dae0d3 RBX: ffff88806e733000 RCX: ffff888021f1bb80
RDX: 0000000000000000 RSI: ffffffff8a2c3640 RDI: ffff88806e733000
RBP: ffffc90004ea7c30 R08: ffffffff901d6187 R09: 1ffffffff203ac30
R10: dffffc0000000000 R11: fffffbfff203ac31 R12: 1ffff1100dce6602
R13: dffffc0000000000 R14: ffff88806e733080 R15: ffffffff8a378f08
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c4de29000 CR3: 000000002a9d6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400