RDX: 0000000000000016 RSI: 0000000000000402 RDI: 0000000000000016
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b6c37
R13: 00007fee99ecfb48 R14: 00000000004b6c47 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: 1 PID: 27129 Comm: syz-executor7 Not tainted 4.14.0-rc2+ #108
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b20da5c0 task.stack: ffff8801cead8000
RIP: 0010:dnotify_free_mark+0x51/0x60 fs/notify/dnotify/dnotify.c:131
RSP: 0018:ffff8801ceadfb20 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801d7f073e8 RCX: ffffc900012e0000
RDX: 000000000000ad15 RSI: ffffffff81bc7781 RDI: ffff8801d7f07468
RBP: ffff8801ceadfb28 R08: ffff8801ceadf578 R09: 0000000000000000
R10: ffffffff870a8ee0 R11: 0000000000000000 R12: ffff8801d7f073e8
R13: ffffffff84f24260 R14: ffff8801ceadfc60 R15: 0000000000000000
FS:  00007fee99ed0700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004da7e4 CR3: 00000001a9f2f000 CR4: 00000000001426e0
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+0xa24/0xba0 fs/notify/dnotify/dnotify.c:371
 do_fcntl+0x9f5/0x1060 fs/fcntl.c:412
 SYSC_fcntl fs/fcntl.c:462 [inline]
 SyS_fcntl+0xdc/0x120 fs/fcntl.c:447
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4520a9
RSP: 002b:00007fee99ecfc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000048
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9
RDX: 0000000000000016 RSI: 0000000000000402 RDI: 0000000000000016
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b6c37
R13: 00007fee99ecfb48 R14: 00000000004b6c47 R15: 0000000000000000
Code: 3c 02 00 75 28 48 83 bb 80 00 00 00 00 75 17 e8 f6 76 b1 ff 48 8b 3d ff b5 60 04 48 89 de e8 e7 f9 e5 ff 5b 5d c3 e8 df 76 b1 ff <0f> 0b e8 58 35 e6 ff eb d1 66 0f 1f 44 00 00 55 48 89 e5 41 57 
RIP: dnotify_free_mark+0x51/0x60 fs/notify/dnotify/dnotify.c:131 RSP: ffff8801ceadfb20
---[ end trace 65519f90df8a44b6 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled