RDX: ffffffffffffffff RSI: 0000000000000402 RDI: 0000000000000013
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f2dfe3fab58 R14: 00000000004b7560 R15: 0000000000000000
------------[ cut here ]------------
kernel BUG at fs/notify/dnotify/dnotify.c:131!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 28171 Comm: syz-executor3 Not tainted 4.14.0-rc6+ #145
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d464e640 task.stack: ffff8801d2c50000
RIP: 0010:dnotify_free_mark+0x4b/0x60 fs/notify/dnotify/dnotify.c:131
RSP: 0018:ffff8801d2c57b20 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801d27ebb40 RCX: ffffc90003457000
RDX: 000000000000b206 RSI: ffffffff81bc50ab RDI: ffff8801d27ebbb8
RBP: ffff8801d2c57b28 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff87080a60 R11: 0000000000000000 R12: ffff8801d27ebb40
R13: ffffffff84f23e20 R14: ffff8801d2c57c60 R15: 0000000000000000
FS:  00007f2dfe3fb700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d4a24 CR3: 00000001c6499000 CR4: 00000000001406f0
Call Trace:
 fsnotify_final_mark_destroy+0x7d/0xc0 fs/notify/mark.c:202
 fsnotify_put_mark+0x469/0x730 fs/notify/mark.c:215
 fcntl_dirnotify+0xa12/0xb90 fs/notify/dnotify/dnotify.c:371
 do_fcntl+0x9e0/0x1050 fs/fcntl.c:412
 SYSC_fcntl fs/fcntl.c:462 [inline]
 SyS_fcntl+0xd6/0x110 fs/fcntl.c:447
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f2dfe3fabe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000048
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: ffffffffffffffff RSI: 0000000000000402 RDI: 0000000000000013
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f2dfe3fab58 R14: 00000000004b7560 R15: 0000000000000000
Code: ea 03 80 3c 02 00 75 25 48 83 7b 78 00 75 17 e8 ac 70 b1 ff 48 8b 3d f5 a3 5e 04 48 89 de e8 bd fa e5 ff 5b 5d c3 e8 95 70 b1 ff <0f> 0b e8 2e 36 e6 ff eb d4 66 90 66 2e 0f 1f 84 00 00 00 00 00 
RIP: dnotify_free_mark+0x4b/0x60 fs/notify/dnotify/dnotify.c:131 RSP: ffff8801d2c57b20
---[ end trace 7996cb26a12f003e ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..