list_add corruption. next->prev should be prev (ffff8801db11d130), but was dead000000000200. (next=ffff8801198ceee0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 1 PID: 14476 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #225
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold.0+0xf/0x25 lib/list_debug.c:23
Code: e8 23 be 46 fe e9 68 ff ff ff e8 19 be 46 fe eb c9 4c 89 e7 e8 0f be 46 fe eb 97 48 89 d9 48 c7 c7 40 6c 5d 87 e8 52 95 ee fd <0f> 0b 48 89 f1 48 c7 c7 00 6d 5d 87 48 89 de e8 3e 95 ee fd 0f 0b
RSP: 0018:ffff880135a3edd8 EFLAGS: 00010086
RAX: 0000000000000075 RBX: ffff8801198ceee0 RCX: ffffc90003a7a000
RDX: 0000000000000000 RSI: ffffffff8163bab1 RDI: 0000000000000001
RBP: ffff880135a3edf0 R08: ffff8801d73c0480 R09: ffffed003b625010
R10: ffffed003b625010 R11: ffff8801db128087 R12: ffff8801198ceee0
R13: ffff8801198c9740 R14: ffff8801198ceee0 R15: ffff8801db11d130
FS:  00007f8ac075b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f124000 CR3: 000000018c9c1000 CR4: 00000000001426e0
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 vmx_vcpu_load+0x205/0xfe0 arch/x86/kvm/vmx.c:3073
 kvm_arch_vcpu_load+0x22b/0x940 arch/x86/kvm/x86.c:3106
 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3975
 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline]
 fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline]
 finish_task_switch+0x50d/0x870 kernel/sched/core.c:2679
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x884/0x1df0 kernel/sched/core.c:3473
 schedule+0xfb/0x450 kernel/sched/core.c:3517
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue_me+0x3f9/0x840 kernel/futex.c:2530
 futex_wait+0x45b/0xa20 kernel/futex.c:2645
 do_futex+0x336/0x27d0 kernel/futex.c:3528
 __do_sys_futex kernel/futex.c:3589 [inline]
 __se_sys_futex kernel/futex.c:3557 [inline]
 __x64_sys_futex+0x472/0x6a0 kernel/futex.c:3557
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457099
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8ac075acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000930148 RCX: 0000000000457099
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000930148
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000093014c
R13: 0000000000a3fb9f R14: 00007f8ac075b9c0 R15: 0000000000000001
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace fadb0df92995e964 ]---
RIP: 0010:__list_add_valid.cold.0+0xf/0x25 lib/list_debug.c:23
Code: e8 23 be 46 fe e9 68 ff ff ff e8 19 be 46 fe eb c9 4c 89 e7 e8 0f be 46 fe eb 97 48 89 d9 48 c7 c7 40 6c 5d 87 e8 52 95 ee fd <0f> 0b 48 89 f1 48 c7 c7 00 6d 5d 87 48 89 de e8 3e 95 ee fd 0f 0b
RSP: 0018:ffff880135a3edd8 EFLAGS: 00010086
RAX: 0000000000000075 RBX: ffff8801198ceee0 RCX: ffffc90003a7a000
RDX: 0000000000000000 RSI: ffffffff8163bab1 RDI: 0000000000000001
RBP: ffff880135a3edf0 R08: ffff8801d73c0480 R09: ffffed003b625010
R10: ffffed003b625010 R11: ffff8801db128087 R12: ffff8801198ceee0
R13: ffff8801198c9740 R14: ffff8801198ceee0 R15: ffff8801db11d130
FS:  00007f8ac075b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f124000 CR3: 000000018c9c1000 CR4: 00000000001426e0