------------[ cut here ]------------ WARNING: CPU: 0 PID: 21815 at arch/x86/kvm/vmx/vmx.c:5264 handle_exception_nmi+0x14cf/0x1750 arch/x86/kvm/vmx/vmx.c:5264 Modules linked in: CPU: 0 UID: 0 PID: 21815 Comm: syz.1.6521 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:handle_exception_nmi+0x14cf/0x1750 arch/x86/kvm/vmx/vmx.c:5264 Code: 20 fe ff 31 ff 89 c5 89 c6 e8 9d 34 69 00 85 ed 0f 85 bd fd ff ff e8 50 39 69 00 90 0f 0b 90 e9 af fd ff ff e8 42 39 69 00 90 <0f> 0b 90 e9 d0 f2 ff ff e8 34 39 69 00 31 f6 48 89 df e8 9a 15 ed RSP: 0018:ffffc9000602f9e0 EFLAGS: 00010283 RAX: 0000000000017b5b RBX: ffff888064492940 RCX: ffffc90025b5e000 RDX: 0000000000080000 RSI: ffffffff8153af6e RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 000000000f6632eb R13: 0000000000000007 R14: 0000000080000300 R15: ffff888064492a18 FS: 00007f6db20c36c0(0000) GS:ffff8880d6a06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000f6632eb CR3: 00000000491e1000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000036 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6631 [inline] vmx_handle_exit+0x14bf/0x1c00 arch/x86/kvm/vmx/vmx.c:6648 vcpu_enter_guest arch/x86/kvm/x86.c:11453 [inline] vcpu_run+0x33e1/0x54d0 arch/x86/kvm/x86.c:11611 kvm_arch_vcpu_ioctl_run+0xfd3/0x1920 arch/x86/kvm/x86.c:11956 kvm_vcpu_ioctl+0x5eb/0x1690 virt/kvm/kvm_main.c:4476 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6db118f6c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6db20c3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6db13e5fa0 RCX: 00007f6db118f6c9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 RBP: 00007f6db1211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6db13e6038 R14: 00007f6db13e5fa0 R15: 00007ffcbe338848