------------[ cut here ]------------ kernel BUG at fs/notify/dnotify/dnotify.c:136! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 34 Comm: kworker/u4:2 Not tainted 6.1.42-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: events_unbound fsnotify_mark_destroy_workfn RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136 Code: 48 89 df e8 6f 42 de ff 48 83 3b 00 75 17 e8 14 b7 87 ff 48 8b 3d fd 67 71 0c 4c 89 f6 5b 41 5e e9 12 71 dd ff e8 fd b6 87 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:ffffc90000ab7b88 EFLAGS: 00010293 RAX: ffffffff820233b3 RBX: ffff888079909080 RCX: ffff8880152c3b80 RDX: 0000000000000000 RSI: 0000000000000017 RDI: ffff888079909000 RBP: ffffc90000ab7c50 R08: ffffffff8201a47b R09: ffffed100f85f002 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888145681800 R13: ffffc90000ab7be0 R14: ffff888079909000 R15: ffff888079909000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fff7e8c7a8 CR3: 000000001b37f000 CR4: 00000000003506e0 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+0x8aa/0x11f0 kernel/workqueue.c:2292 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2439 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136