------------[ cut here ]------------ kernel BUG at fs/notify/dnotify/dnotify.c:118! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3596 Comm: kworker/u4:8 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 b0 e1 ff 48 83 3b 00 75 17 e8 d4 e1 97 ff 48 8b 3d 6d 2a fc 0b 4c 89 f6 5b 41 5e e9 92 d9 e0 ff e8 bd e1 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:ffffc90003137b88 EFLAGS: 00010293 RAX: ffffffff81e879a3 RBX: ffff888077c0c080 RCX: ffff888020143b80 RDX: 0000000000000000 RSI: 0000000000000017 RDI: ffff888077c0c000 RBP: ffffc90003137c50 R08: ffffffff81e7ea6b R09: ffffed1003ae1302 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880188cb800 R13: ffffc90003137be0 R14: ffff888077c0c000 R15: ffff888077c0c000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2c0f316030 CR3: 000000006aed5000 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:300 Modules linked in: ---[ end trace 8dd7d2d472dd6f24 ]--- RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118 Code: 48 89 df e8 cf b0 e1 ff 48 83 3b 00 75 17 e8 d4 e1 97 ff 48 8b 3d 6d 2a fc 0b 4c 89 f6 5b 41 5e e9 92 d9 e0 ff e8 bd e1 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:ffffc90003137b88 EFLAGS: 00010293 RAX: ffffffff81e879a3 RBX: ffff888077c0c080 RCX: ffff888020143b80 RDX: 0000000000000000 RSI: 0000000000000017 RDI: ffff888077c0c000 RBP: ffffc90003137c50 R08: ffffffff81e7ea6b R09: ffffed1003ae1302 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880188cb800 R13: ffffc90003137be0 R14: ffff888077c0c000 R15: ffff888077c0c000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020565000 CR3: 000000001a6a9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400