list_add corruption. next->prev should be prev (ffff8801db01d130), but was dead000000000200. (next=ffff8801908de2e0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 9063 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #226
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:ffff880191ff6d98 EFLAGS: 00010086
RAX: 0000000000000075 RBX: ffff8801908de2e0 RCX: ffffc90006e87000
RDX: 0000000000000000 RSI: ffffffff8163bab1 RDI: 0000000000000001
RBP: ffff880191ff6db0 R08: ffff8801be27a040 R09: ffffed003b605010
R10: ffffed003b605010 R11: ffff8801db028087 R12: ffff8801908de2e0
R13: ffff8801908d8b40 R14: ffff8801908de2e0 R15: ffff8801db01d130
FS:  00007f4c2919c700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 00000001bfe95000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000008000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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
 vcpu_load+0x32/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:164
 kvm_arch_vcpu_ioctl+0x1d6/0x3ac0 arch/x86/kvm/x86.c:3724
 kvm_vcpu_ioctl+0x286/0x1280 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2742
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 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:00007f4c2919bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4c2919c6d4 RCX: 0000000000457099
RDX: 00000000200001c0 RSI: 000000004080aebf RDI: 0000000000000005
RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cf358 R14: 00000000004c5622 R15: 0000000000000002
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 0d19e714e32793ae ]---
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:ffff880191ff6d98 EFLAGS: 00010086
RAX: 0000000000000075 RBX: ffff8801908de2e0 RCX: ffffc90006e87000
RDX: 0000000000000000 RSI: ffffffff8163bab1 RDI: 0000000000000001
RBP: ffff880191ff6db0 R08: ffff8801be27a040 R09: ffffed003b605010
R10: ffffed003b605010 R11: ffff8801db028087 R12: ffff8801908de2e0
R13: ffff8801908d8b40 R14: ffff8801908de2e0 R15: ffff8801db01d130
FS:  00007f4c2919c700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 00000001bfe95000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000008000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400