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kernel BUG at fs/notify/dnotify/dnotify.c:136!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4367 Comm: kworker/u4:7 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 09 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:ffffc90004ddfb68 EFLAGS: 00010293
RAX: ffffffff81f37013 RBX: ffff888072dfe0c8 RCX: ffff888028903b80
RDX: 0000000000000000 RSI: ffffffff8a8c0620 RDI: ffff888072dfe0c8
RBP: ffffc90004ddfc30 R08: ffffffff90ad82ff R09: 1ffffffff215b05f
R10: dffffc0000000000 R11: fffffbfff215b060 R12: 1ffff1100e5bfc1b
R13: dffffc0000000000 R14: ffff888072dfe148 R15: ffffffff8a9a1fe8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2619ccb000 CR3: 000000002e833000 CR4: 00000000003506f0
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 09 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:ffffc90004ddfb68 EFLAGS: 00010293
RAX: ffffffff81f37013 RBX: ffff888072dfe0c8 RCX: ffff888028903b80
RDX: 0000000000000000 RSI: ffffffff8a8c0620 RDI: ffff888072dfe0c8
RBP: ffffc90004ddfc30 R08: ffffffff90ad82ff R09: 1ffffffff215b05f
R10: dffffc0000000000 R11: fffffbfff215b060 R12: 1ffff1100e5bfc1b
R13: dffffc0000000000 R14: ffff888072dfe148 R15: ffffffff8a9a1fe8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9fe47de2f8 CR3: 000000002e833000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400