2017/08/20 20:52:05 parsed 1 programs
2017/08/20 20:52:05 executed programs: 0
syzkaller login: [   45.962040] ------------[ cut here ]------------
[   45.962575] kernel BUG at arch/x86/kvm/x86.c:7150!
[   45.963095] invalid opcode: 0000 [#1] SMP KASAN
[   45.963575] Dumping ftrace buffer:
[   45.963960]    (ftrace buffer empty)
[   45.964368] Modules linked in:
[   45.964698] CPU: 3 PID: 3029 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170817+ #5
[   45.965585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[   45.966450] task: ffff88006c488700 task.stack: ffff880067800000
[   45.967049] RIP: 0010:complete_emulated_mmio+0x5be/0x6f0
[   45.967552] RSP: 0018:ffff880067807620 EFLAGS: 00010297
[   45.968066] RAX: ffff88006c488700 RBX: ffff880039428040 RCX: ffff88003942845c
[   45.968765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880039428260
[   45.969556] RBP: ffff880067807660 R08: 0000000000000000 R09: ffffed000cf00f2c
[   45.970234] R10: ffff880067807a58 R11: ffff8800678079d0 R12: ffffffff810d0840
[   45.970906] R13: ffff880039c71000 R14: ffff88006da89f00 R15: ffff880039428040
[   45.971577] FS:  00007f8311e83700(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000
[   45.972708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.973106] CR2: 00007f04f6102000 CR3: 000000003d5de000 CR4: 00000000000026e0
[   45.973598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.974085] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.974563] Call Trace:
[   45.974748]  ? wait_for_completion+0xdb/0x730
[   45.975049]  ? x86_emulate_instruction+0x1ca0/0x1ca0
[   45.975387]  kvm_arch_vcpu_ioctl_run+0x2e2b/0x58b0
[   45.975743]  ? do_raw_spin_trylock+0x190/0x190
[   45.976100]  ? check_same_owner+0x320/0x320
[   45.976389]  ? rcu_eqs_enter_common.constprop.73+0x270/0x270
[   45.976791]  ? kvm_arch_vcpu_runnable+0x520/0x520
[   45.977114]  ? wait_for_completion+0xdb/0x730
[   45.977442]  ? nested_vmx_exit_reflected+0x2a30/0x2a30
[   45.977802]  ? wait_for_completion_interruptible+0x7d0/0x7d0
[   45.978187]  ? __lockdep_init_map+0xe4/0x650
[   45.978481]  ? lockdep_init_map+0x9/0x10
[   45.978762]  ? __init_waitqueue_head+0x97/0x140
[   45.979072]  ? wake_up_q+0xe0/0xe0
[   45.979309]  ? __wait_rcu_gp+0x23f/0x3e0
[   45.979602]  ? rcu_gp_is_normal+0x140/0x140
[   45.979973]  ? synchronize_sched.part.68+0xac/0x100
[   45.980320]  ? synchronize_sched_expedited+0xf0/0xf0
[   45.980671]  ? kvm_arch_vcpu_load+0x4b1/0x890
[   45.981005]  ? call_rcu_bh+0x20/0x20
[   45.981292]  ? check_same_owner+0x320/0x320
[   45.981645]  ? trace_raw_output_rcu_utilization+0xb0/0xb0
[   45.982142]  ? put_pid+0x184/0x1f0
[   45.982417]  ? task_active_pid_ns+0xd0/0xd0
[   45.982757]  ? __might_sleep+0x95/0x190
[   45.983022]  kvm_vcpu_ioctl+0x64c/0x1010
[   45.983289]  ? kvm_vcpu_ioctl+0x64c/0x1010
[   45.983583]  ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80
[   45.984002]  ? lock_acquire+0x1d5/0x580
[   45.984323]  ? __fget+0x333/0x570
[   45.984618]  ? lock_downgrade+0x990/0x990
[   45.984903]  ? lock_release+0xa40/0xa40
[   45.985172]  ? __fget+0x35c/0x570
[   45.985403]  ? iterate_fd+0x3f0/0x3f0
[   45.985658]  ? finish_task_switch+0x1d3/0x740
[   45.985966]  ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80
[   45.986313]  do_vfs_ioctl+0x1b1/0x1520
[   45.986571]  ? do_raw_spin_trylock+0x190/0x190
[   45.986886]  ? ioctl_preallocate+0x2b0/0x2b0
[   45.987179]  ? selinux_capable+0x40/0x40
[   45.987450]  ? syscall_return_slowpath+0x2b3/0x500
[   45.987783]  ? finish_task_switch+0x1aa/0x740
[   45.988091]  ? security_file_ioctl+0x7d/0xb0
[   45.988381]  ? security_file_ioctl+0x89/0xb0
[   45.988674]  SyS_ioctl+0x8f/0xc0
[   45.988910]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   45.989222] RIP: 0033:0x446749
[   45.989431] RSP: 002b:00007f8311e82c08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010
[   45.989946] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000446749
[   45.990421] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[   45.990945] RBP: 0000000000a5f870 R08: 0000000000000000 R09: 0000000000000000
[   45.991514] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
[   45.992028] R13: 0000000000000000 R14: 00007f8311e839c0 R15: 00007f8311e83700
[   45.992555] Code: 01 00 00 00 48 89 df e8 51 9e 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 93 25 4d 00 45 85 ed 41 0f 94 c4 e9 c5 fc ff ff e8 f2 2e 60 00 <0f> 0b e8 1b 99 94 00 e9 a0 fa ff ff 89 45 c8 e8 0e 99 94 00 8b 
[   45.994649] RIP: complete_emulated_mmio+0x5be/0x6f0 RSP: ffff880067807620
[   45.995187] ---[ end trace f2b488a12d890bf5 ]---
[   45.995606] Kernel panic - not syncing: Fatal exception
[   45.995993] Dumping ftrace buffer:
[   45.996244]    (ftrace buffer empty)
[   45.996552] Kernel Offset: disabled
[   45.996859] Rebooting in 86400 seconds..