audit: type=1400 audit(1602427790.651:8): avc:  denied  { execmem } for  pid=6361 comm="syz-executor030" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
IPVS: ftp: loaded support on port[0] = 21
------------[ cut here ]------------
kernel BUG at fs/notify/dnotify/dnotify.c:131!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 5 Comm: kworker/u4:0 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound fsnotify_mark_destroy_workfn
task: ffff8880a982c140 task.stack: ffff8880a9838000
RIP: 0010:dnotify_free_mark fs/notify/dnotify/dnotify.c:131 [inline]
RIP: 0010:dnotify_free_mark+0x45/0x50 fs/notify/dnotify/dnotify.c:125
RSP: 0018:ffff8880a983fca0 EFLAGS: 00010297
RAX: ffff8880a982c140 RBX: ffffffff86b3cae0 RCX: 1ffff11015307fa2
RDX: 0000000000000000 RSI: ffff8880a982c9f0 RDI: ffff8880a7e53bb8
RBP: ffff8880a7e53b40 R08: ffffffff8a0ac838 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a61a4a80
R13: ffff8880a983fd00 R14: ffff8880a7e53b50 R15: ffff8880a7e53b58
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3108cda008 CR3: 0000000089583000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fsnotify_final_mark_destroy+0x77/0xb0 fs/notify/mark.c:192
 fsnotify_mark_destroy_workfn+0x1ec/0x2e0 fs/notify/mark.c:761
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 48 c1 ea 03 80 3c 02 00 75 23 48 83 7d 78 00 75 15 e8 40 60 bf ff 48 89 ee 48 8b 3d 5e f2 f6 06 5d e9 e0 fc e8 ff e8 2b 60 bf ff <0f> 0b e8 64 33 e9 ff eb d6 66 90 41 57 41 56 41 55 41 54 49 89 
RIP: dnotify_free_mark fs/notify/dnotify/dnotify.c:131 [inline] RSP: ffff8880a983fca0
RIP: dnotify_free_mark+0x45/0x50 fs/notify/dnotify/dnotify.c:125 RSP: ffff8880a983fca0
---[ end trace e760a4d3fdba4aca ]---