Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. Warning: Permanently added 'ci-upstream-kasan-gce-1,10.128.0.38' (ECDSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-1 port 1 (session ID: 5d038e25f5232ddd1e987f2174bc62cbc7fec1496722f3b7644bd7835f282cfa, active connections: 1). 2017/07/24 23:17:09 parsed 1 programs 2017/07/24 23:17:09 executed programs: 0 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 syzkaller login: [ 70.491544] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 70.498341] ------------[ cut here ]------------ [ 70.499206] WARNING: CPU: 1 PID: 2940 at arch/x86/kvm/x86.c:7222 kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 70.500771] Kernel panic - not syncing: panic_on_warn set ... [ 70.500771] [ 70.501912] CPU: 1 PID: 2940 Comm: syz-executor0 Not tainted 4.13.0-rc2+ #4 [ 70.503022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.504452] Call Trace: [ 70.504916] dump_stack+0x194/0x257 [ 70.505530] ? arch_local_irq_restore+0x53/0x53 [ 70.506207] panic+0x1e4/0x417 [ 70.506690] ? __warn+0x1d9/0x1d9 [ 70.507278] ? show_regs_print_info+0x65/0x65 [ 70.508124] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 70.509081] __warn+0x1c4/0x1d9 [ 70.509563] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 70.510407] report_bug+0x211/0x2d0 [ 70.510998] fixup_bug+0x40/0x90 [ 70.511479] do_trap+0x260/0x390 [ 70.513643] do_error_trap+0x120/0x390 [ 70.517507] ? do_trap+0x390/0x390 [ 70.521017] ? lock_acquire+0x1d5/0x580 [ 70.524964] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 70.529954] ? fpu__activate_curr+0xed/0x650 [ 70.534333] ? fpstate_init+0x160/0x160 [ 70.538282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.543102] do_invalid_op+0x1b/0x20 [ 70.546787] invalid_op+0x1e/0x30 [ 70.550213] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 70.555804] RSP: 0018:ffff8801d11f7670 EFLAGS: 00010297 [ 70.561137] RAX: ffff8801d0c52180 RBX: ffff8801d10ea000 RCX: ffff8801d11d045c [ 70.568383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d11d0260 [ 70.575621] RBP: ffff8801d11f7a40 R08: 1ffffffff09c7151 R09: 0000000000000000 [ 70.582862] R10: ffff8801d11f7a58 R11: 0000000000000000 R12: 0000000000000001 [ 70.590099] R13: 0000000000000000 R14: ffff8801c2271400 R15: ffff8801d11d0040 [ 70.597385] ? flush_smp_call_function_queue+0x450/0x450 [ 70.602817] ? mutex_lock_io_nested+0x1740/0x1740 [ 70.607634] ? __lock_acquire+0x6ef/0x3dc0 [ 70.611839] ? get_futex_value_locked+0xc3/0xf0 [ 70.616484] ? futex_wait_setup+0x22e/0x3d0 [ 70.620783] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 70.625597] ? smp_call_function_single+0x3b1/0x570 [ 70.630585] ? vmx_write_pml_buffer+0x480/0x480 [ 70.635243] ? generic_exec_single+0x5b0/0x5b0 [ 70.639803] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 70.644881] ? vmcs_load+0xb3/0x180 [ 70.648483] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 70.653650] ? kvm_arch_end_assignment+0x20/0x20 [ 70.658376] ? vmx_vcpu_load+0x2ca/0xa30 [ 70.662414] ? vmx_vcpu_load+0x63f/0xa30 [ 70.666452] ? handle_invept+0x5f0/0x5f0 [ 70.670501] ? kvm_lapic_hv_timer_in_use+0xae/0xd0 [ 70.675411] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 70.679875] ? quarantine_put+0xeb/0x190 [ 70.683903] ? kfree+0xed/0x260 [ 70.687157] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 70.691624] ? __hrtick_start+0x1d0/0x1d0 [ 70.695771] kvm_vcpu_ioctl+0x64c/0x1010 [ 70.699800] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 70.704008] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 70.709260] ? kvm_dev_ioctl+0x13b/0x14b0 [ 70.713386] ? find_held_lock+0x35/0x1d0 [ 70.717424] ? __fget+0x333/0x570 [ 70.720856] ? lock_downgrade+0x990/0x990 [ 70.724977] ? lock_release+0xa40/0xa40 [ 70.728928] ? __lock_is_held+0xb6/0x140 [ 70.732978] ? __fget+0x35c/0x570 [ 70.736407] ? iterate_fd+0x3f0/0x3f0 [ 70.740207] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 70.745458] do_vfs_ioctl+0x1b1/0x1520 [ 70.749342] ? ioctl_preallocate+0x2b0/0x2b0 [ 70.753728] ? selinux_capable+0x40/0x40 [ 70.757769] ? SyS_futex+0x285/0x380 [ 70.761454] ? SyS_futex+0x28e/0x380 [ 70.765154] ? security_file_ioctl+0x7d/0xb0 [ 70.769537] ? security_file_ioctl+0x89/0xb0 [ 70.773922] SyS_ioctl+0x8f/0xc0 [ 70.777268] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 70.781996] RIP: 0033:0x4512c9 [ 70.785157] RSP: 002b:00007ff6599f6c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 70.792838] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512c9 [ 70.800083] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 70.807327] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 70.814574] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b7b1a [ 70.821821] R13: 00000000ffffffff R14: 0000000000000004 R15: 000000000000ae41 [ 70.829480] Dumping ftrace buffer: [ 70.833063] (ftrace buffer empty) [ 70.836746] Kernel Offset: disabled [ 70.840349] Rebooting in 86400 seconds..