INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-next-kasan-gce-0,10.128.15.192' (ECDSA) to the list of known hosts. 2017/11/16 10:40:09 parsed 1 programs 2017/11/16 10:40:09 executed programs: 0 syzkaller login: [ 26.474114] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 26.533106] WARNING: CPU: 1 PID: 3089 at arch/x86/kvm/x86.c:7293 kvm_arch_vcpu_ioctl_run+0x213/0x5d20 [ 26.542515] Kernel panic - not syncing: panic_on_warn set ... [ 26.542515] [ 26.549849] CPU: 1 PID: 3089 Comm: syz-executor5 Not tainted 4.14.0-next-20171116+ #44 [ 26.557869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.567193] Call Trace: [ 26.569761] dump_stack+0x194/0x257 [ 26.573367] ? arch_local_irq_restore+0x53/0x53 [ 26.578015] ? vsnprintf+0x1ed/0x1900 [ 26.581798] panic+0x1e4/0x41c [ 26.584967] ? refcount_error_report+0x214/0x214 [ 26.589705] ? show_regs_print_info+0x65/0x65 [ 26.594174] ? __warn+0x1c1/0x200 [ 26.597603] ? kvm_arch_vcpu_ioctl_run+0x213/0x5d20 [ 26.602592] __warn+0x1dc/0x200 [ 26.605841] ? kvm_arch_vcpu_ioctl_run+0x213/0x5d20 [ 26.610828] report_bug+0x211/0x2d0 [ 26.614431] fixup_bug.part.10+0x37/0x80 [ 26.618642] do_error_trap+0x2d7/0x3e0 [ 26.622500] ? math_error+0x400/0x400 [ 26.626270] ? fpu__initialize+0xed/0x650 [ 26.630387] ? fpu__save+0x6a0/0x6a0 [ 26.634074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.638888] do_invalid_op+0x1b/0x20 [ 26.642569] invalid_op+0x18/0x20 [ 26.645988] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5d20 [ 26.651576] RSP: 0018:ffff8801bcf87670 EFLAGS: 00010293 [ 26.656918] RAX: ffff8801cc6d2380 RBX: ffff8801cbd13000 RCX: ffffffff810de5a3 [ 26.664155] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cc1283b8 [ 26.671393] RBP: ffff8801bcf87a40 R08: 0000000000000001 R09: 0000000000000001 [ 26.678629] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 26.685868] R13: 1ffff100379f0f72 R14: ffff8801cd6a4900 R15: ffff8801cc128180 [ 26.693117] ? kvm_arch_vcpu_ioctl_run+0x213/0x5d20 [ 26.698111] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.703111] ? wait_for_completion_interruptible+0x830/0x830 [ 26.708878] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 26.713693] ? __raw_spin_lock_init+0x2d/0x100 [ 26.718245] ? __init_waitqueue_head+0x97/0x140 [ 26.722881] ? wake_up_q+0xe0/0xe0 [ 26.726390] ? __lockdep_init_map+0xe4/0x650 [ 26.730777] ? __wait_rcu_gp+0x25d/0x420 [ 26.734806] ? rcu_gp_is_normal+0x140/0x140 [ 26.739106] ? synchronize_sched.part.67+0xbd/0x110 [ 26.744089] ? synchronize_sched_expedited+0xf0/0xf0 [ 26.749165] ? call_rcu_bh+0x20/0x20 [ 26.752845] ? __lock_is_held+0xbc/0x140 [ 26.756872] ? lock_release+0xda0/0xda0 [ 26.760818] ? trace_raw_output_rcu_utilization+0xb0/0xb0 [ 26.766336] ? put_pid+0x183/0x1f0 [ 26.769856] ? task_active_pid_ns+0xd0/0xd0 [ 26.774147] ? __might_sleep+0x95/0x190 [ 26.778097] kvm_vcpu_ioctl+0x64c/0x1010 [ 26.782126] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 26.786330] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 26.791577] ? find_held_lock+0x39/0x1d0 [ 26.795618] ? lock_downgrade+0x980/0x980 [ 26.799737] ? __fget+0xbb/0x580 [ 26.803075] ? avc_ss_reset+0x110/0x110 [ 26.807022] ? lock_release+0xda0/0xda0 [ 26.810967] ? __lock_is_held+0xbc/0x140 [ 26.815006] ? __fget+0x362/0x580 [ 26.818435] ? iterate_fd+0x3f0/0x3f0 [ 26.822216] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 26.827461] do_vfs_ioctl+0x1b1/0x1530 [ 26.831330] ? ioctl_preallocate+0x2b0/0x2b0 [ 26.835710] ? selinux_capable+0x40/0x40 [ 26.839745] ? SyS_futex+0x269/0x390 [ 26.843437] ? security_file_ioctl+0x89/0xb0 [ 26.847816] SyS_ioctl+0x8f/0xc0 [ 26.851153] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.855880] RIP: 0033:0x452879 [ 26.859043] RSP: 002b:00007f70078f8be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 26.866720] RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452879 [ 26.873959] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 26.881195] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 26.888431] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1460 [ 26.895669] R13: 00000000ffffffff R14: 00007f70078f96d4 R15: 0000000000000002 [ 26.903150] Dumping ftrace buffer: [ 26.906729] (ftrace buffer empty) [ 26.910410] Kernel Offset: disabled [ 26.914021] Rebooting in 86400 seconds..