syzbot

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kernel BUG at fs/notify/dnotify/dnotify.c:118!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 154 Comm: kworker/u4:2 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound fsnotify_mark_destroy_workfn
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118
Code: 48 89 df e8 cf a6 e1 ff 48 83 3b 00 75 17 e8 e4 dc 97 ff 48 8b 3d fd fe 00 0c 4c 89 f6 5b 41 5e e9 92 cf e0 ff e8 cd dc 97 ff <0f> 0b cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002007b88 EFLAGS: 00010293
RAX: ffffffff81e89713 RBX: ffff88806ffa2080 RCX: ffff88801c393b80
RDX: 0000000000000000 RSI: ffffffff8a8b2a80 RDI: ffff88806ffa2000
RBP: ffffc90002007c50 R08: dffffc0000000000 R09: fffffbfff20ec639
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801c32e800
R13: ffffc90002007be0 R14: ffff88806ffa2000 R15: ffff88806ffa2000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff09ee08ed8 CR3: 0000000025c8c000 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+0x2c7/0x340 fs/notify/mark.c:928
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+