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-8,10.128.0.20' (ECDSA) to the list of known hosts. 2017/07/23 14:18:38 parsed 1 programs 2017/07/23 14:18:38 executed programs: 0 serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-8 port 1 (session ID: b9bf585eebeb0d53fdf0e128d3efc6172b8694d1aed20302e7d136d5d304c400, active connections: 1). 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: [ 51.775259] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 51.786062] ------------[ cut here ]------------ [ 51.786914] WARNING: CPU: 1 PID: 2926 at arch/x86/kvm/x86.c:7222 kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 51.788325] Kernel panic - not syncing: panic_on_warn set ... [ 51.788325] [ 51.789403] CPU: 1 PID: 2926 Comm: syz-executor3 Not tainted 4.13.0-rc1+ #2 [ 51.790673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.792092] Call Trace: [ 51.792625] dump_stack+0x194/0x257 [ 51.793156] ? arch_local_irq_restore+0x53/0x53 [ 51.793867] panic+0x1e4/0x417 [ 51.794449] ? __warn+0x1d9/0x1d9 [ 51.795060] ? show_regs_print_info+0x65/0x65 [ 51.797383] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 51.802373] __warn+0x1c4/0x1d9 [ 51.805643] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 51.810639] report_bug+0x211/0x2d0 [ 51.814280] fixup_bug+0x40/0x90 [ 51.817623] do_trap+0x260/0x390 [ 51.820970] do_error_trap+0x120/0x390 [ 51.824837] ? do_trap+0x390/0x390 [ 51.828358] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 51.833359] ? fpu__activate_curr+0xed/0x650 [ 51.837742] ? fpstate_init+0x160/0x160 [ 51.841693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.846521] do_invalid_op+0x1b/0x20 [ 51.850226] invalid_op+0x1e/0x30 [ 51.853652] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 51.859243] RSP: 0018:ffff8801d166f670 EFLAGS: 00010297 [ 51.864579] RAX: ffff8801d1666580 RBX: ffff8801d17b1000 RCX: ffff8801d118845c [ 51.871824] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d1188260 [ 51.879067] RBP: ffff8801d166fa40 R08: 0000000000000001 R09: ffffed003a2cdf2c [ 51.886310] R10: ffff8801d166fa58 R11: 0000000000000000 R12: 0000000000000001 [ 51.893554] R13: 0000000000000000 R14: ffff8801d15e0a80 R15: ffff8801d1188040 [ 51.900839] ? do_raw_spin_trylock+0x190/0x190 [ 51.905407] ? mark_held_locks+0xaf/0x100 [ 51.909530] ? _raw_spin_unlock_irq+0x27/0x70 [ 51.914010] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.919033] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 51.923858] ? wait_for_completion+0xdb/0x730 [ 51.928333] ? wait_for_completion_interruptible+0x7d0/0x7d0 [ 51.934107] ? lockdep_init_map+0xe4/0x650 [ 51.938318] ? lockdep_init_map+0xe4/0x650 [ 51.942542] ? __init_waitqueue_head+0x97/0x140 [ 51.947188] ? wake_up_q+0xe0/0xe0 [ 51.950714] ? __wait_rcu_gp+0x23f/0x3e0 [ 51.954750] ? rcu_gp_is_normal+0x140/0x140 [ 51.959062] ? synchronize_sched.part.69+0xac/0x100 [ 51.964067] ? synchronize_sched_expedited+0xf0/0xf0 [ 51.969147] ? call_rcu_bh+0x20/0x20 [ 51.972841] ? check_same_owner+0x320/0x320 [ 51.977142] ? trace_raw_output_rcu_utilization+0xb0/0xb0 [ 51.982655] ? put_pid+0x184/0x1f0 [ 51.986173] ? task_active_pid_ns+0xd0/0xd0 [ 51.990475] ? __might_sleep+0x95/0x190 [ 51.994430] kvm_vcpu_ioctl+0x64c/0x1010 [ 51.998465] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 52.002677] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 52.007932] ? __schedule+0x8f0/0x2070 [ 52.011802] ? find_held_lock+0x35/0x1d0 [ 52.015870] ? __fget+0x333/0x570 [ 52.019316] ? lock_downgrade+0x990/0x990 [ 52.023445] ? lock_release+0xa40/0xa40 [ 52.027403] ? __lock_is_held+0xb6/0x140 [ 52.031450] ? __fget+0x35c/0x570 [ 52.034886] ? iterate_fd+0x3f0/0x3f0 [ 52.038677] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 52.044037] do_vfs_ioctl+0x1b1/0x1520 [ 52.047903] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.052293] ? selinux_capable+0x40/0x40 [ 52.056336] ? SyS_futex+0x285/0x380 [ 52.060023] ? SyS_futex+0x28e/0x380 [ 52.063743] ? security_file_ioctl+0x7d/0xb0 [ 52.068123] ? security_file_ioctl+0x89/0xb0 [ 52.072509] SyS_ioctl+0x8f/0xc0 [ 52.075858] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.080598] RIP: 0033:0x4512c9 [ 52.083762] RSP: 002b:00007fd45ee26c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 52.091446] RAX: ffffffffffffffda RBX: 00000000007180a8 RCX: 00000000004512c9 [ 52.098688] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 52.105933] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 52.113175] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b7b30 [ 52.120426] R13: 00000000ffffffff R14: 0000000000000003 R15: 000000000000ae01 [ 52.128347] Dumping ftrace buffer: [ 52.131911] (ftrace buffer empty) [ 52.135598] Kernel Offset: disabled [ 52.139204] Rebooting in 86400 seconds..