list_del corruption, 00000000c39de093->next is LIST_POISON1 (00000000d6d3dfdd)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:47!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 16525 Comm: syz-executor3 Not tainted 4.16.0-rc6+ #274
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0xd3/0x150 lib/list_debug.c:45
RSP: 0018:ffff8801c73ff168 EFLAGS: 00010082
RAX: 000000000000004e RBX: dead000000000200 RCX: 0000000000000000
RDX: 000000000000004e RSI: 1ffff10038e7fde2 RDI: ffffed0038e7fe21
RBP: ffff8801c73ff180 R08: ffffffff86f39cb8 R09: 1ffff10038e7fd89
R10: ffff8801c73ff040 R11: 0000000000000002 R12: dead000000000100
R13: ffff8801a4711318 R14: ffff8801a4711320 R15: ffff8801d33ca740
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000081142a4 CR3: 0000000006e22004 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 __remove_wait_queue include/linux/wait.h:184 [inline]
 remove_wait_queue+0x90/0x350 kernel/sched/wait.c:51
 vhost_poll_stop+0x46/0x90 drivers/vhost/vhost.c:229
 vhost_net_disable_vq drivers/vhost/net.c:405 [inline]
 vhost_net_stop_vq+0x90/0x120 drivers/vhost/net.c:973
 vhost_net_stop drivers/vhost/net.c:984 [inline]
 vhost_net_release+0x49/0x190 drivers/vhost/net.c:1017
 __fput+0x327/0x7e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73a/0x16d0 kernel/signal.c:2469
 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:265 [inline]
 do_syscall_32_irqs_on arch/x86/entry/common.c:336 [inline]
 do_fast_syscall_32+0xbe6/0xf9f arch/x86/entry/common.c:392
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7ffcc99
RSP: 002b:00000000f77d710c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 000000000813af98 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: 8f 00 00 00 49 8b 54 24 08 48 39 f2 75 3b 48 83 c4 08 b8 01 00 00 00 5b 41 5c 5d c3 4c 89 e2 48 c7 c7 00 80 40 86 e8 85 df fb fe <0f> 0b 48 c7 c7 60 80 40 86 e8 77 df fb fe 0f 0b 48 c7 c7 c0 80 
RIP: __list_del_entry_valid+0xd3/0x150 lib/list_debug.c:45 RSP: ffff8801c73ff168
---[ end trace 956e6e5f98e30d9e ]---