------------[ cut here ]------------ kernel BUG at fs/notify/dnotify/dnotify.c:118! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 df a6 e1 ff 48 83 3b 00 75 17 e8 f4 dd 97 ff 48 8b 3d 6d 0f 01 0c 4c 89 f6 5b 41 5e e9 a2 cf e0 ff e8 dd dd 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:ffffc9000168fb88 EFLAGS: 00010293 RAX: ffffffff81e87c23 RBX: ffff888072580148 RCX: ffff88801c2b0000 RDX: 0000000000000000 RSI: ffffffff8a8b2a20 RDI: ffff8880725800c8 RBP: ffffc9000168fc50 R08: dffffc0000000000 R09: fffffbfff20e2230 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801db4d800 R13: ffffc9000168fbe0 R14: ffff8880725800c8 R15: ffff8880725800c8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002003e000 CR3: 00000000249b9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fsnotify_final_mark_destroy fs/notify/mark.c:278 [inline] fsnotify_mark_destroy_workfn+0x2c7/0x340 fs/notify/mark.c:902 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+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace ab8681821730ca66 ]--- RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118 Code: 48 89 df e8 df a6 e1 ff 48 83 3b 00 75 17 e8 f4 dd 97 ff 48 8b 3d 6d 0f 01 0c 4c 89 f6 5b 41 5e e9 a2 cf e0 ff e8 dd dd 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:ffffc9000168fb88 EFLAGS: 00010293 RAX: ffffffff81e87c23 RBX: ffff888072580148 RCX: ffff88801c2b0000 RDX: 0000000000000000 RSI: ffffffff8a8b2a20 RDI: ffff8880725800c8 RBP: ffffc9000168fc50 R08: dffffc0000000000 R09: fffffbfff20e2230 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801db4d800 R13: ffffc9000168fbe0 R14: ffff8880725800c8 R15: ffff8880725800c8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564d58a2c950 CR3: 00000000249b9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400