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: 1 PID: 2902 Comm: kworker/u4:5 Not tainted 4.14.203-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound fsnotify_mark_destroy_workfn
task: ffff8880ac34e500 task.stack: ffff8880ac350000
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:ffff8880ac357ca0 EFLAGS: 00010297
RAX: ffff8880ac34e500 RBX: ffffffff8793a5a0 RCX: 1ffff1101586afa2
RDX: 0000000000000000 RSI: ffff8880ac34edb0 RDI: ffff888093d6bbb8
RBP: ffff888093d6bb40 R08: ffffffff8b995350 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882391d0000
R13: ffff8880ac357d00 R14: ffff888093d6bb50 R15: ffff888093d6bb58
FS:  0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055839f5d1ed8 CR3: 00000000b02f6000 CR4: 00000000001406e0
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 50 37 bf ff 48 89 ee 48 8b 3d 6e e6 70 08 5d e9 70 d2 e8 ff e8 3b 37 bf ff <0f> 0b e8 f4 08 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: ffff8880ac357ca0
RIP: dnotify_free_mark+0x45/0x50 fs/notify/dnotify/dnotify.c:125 RSP: ffff8880ac357ca0
---[ end trace 333175282f3b5516 ]---