WARNING: CPU: 0 PID: 18190 at fs/notify/mark.c:139 __fsnotify_recalc_mask+0x2d7/0x350 fs/notify/mark.c:139
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 18190 Comm: syz-executor5 Not tainted 4.18.0+ #198
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:__fsnotify_recalc_mask+0x2d7/0x350 fs/notify/mark.c:139
Code: 90 00 00 00 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8b 2d a2 ff 49 83 ec 04 eb 82 e8 80 2d a2 ff 0f 0b e8 79 2d a2 ff <0f> 0b eb a5 e8 60 24 e1 ff e9 11 ff ff ff 48 89 df e8 f3 24 e1 ff
RSP: 0018:ffff8801ae3bf830 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 0000000000000002 RCX: ffffc90005e2c000
RDX: 00000000000002f5 RSI: ffffffff81db3427 RDI: 0000000000000005
RBP: ffff8801ae3bf8c0 R08: ffff88017e008180 R09: ffffed0035b7caa8
R10: ffffed0035b7caa8 R11: ffff8801adbe5543 R12: dffffc0000000000
R13: ffff8801adbe5540 R14: 0000000000000000 R15: 0000000000000000
 fsnotify_put_mark+0x523/0xab0 fs/notify/mark.c:240
 fsnotify_destroy_marks+0x2d1/0x5c0 fs/notify/mark.c:741
 fsnotify_clear_marks_by_inode fs/notify/fsnotify.h:39 [inline]
 __fsnotify_inode_delete+0x19/0x20 fs/notify/fsnotify.c:35
 fsnotify_inoderemove include/linux/fsnotify.h:136 [inline]
 dentry_unlink_inode+0x48b/0x5e0 fs/dcache.c:370
 d_delete+0x1d7/0x220 fs/dcache.c:2370
 vfs_rmdir+0x38b/0x470 fs/namei.c:3846
 do_rmdir+0x537/0x630 fs/namei.c:3894
 __do_sys_rmdir fs/namei.c:3912 [inline]
 __se_sys_rmdir fs/namei.c:3910 [inline]
 __x64_sys_rmdir+0x36/0x40 fs/namei.c:3910
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb0dbe9bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fb0dbe9c6d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d3908 R14: 00000000004c8550 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..