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-7,10.128.0.10' (ECDSA) to the list of known hosts. 2017/07/22 13:37:47 parsed 1 programs 2017/07/22 13:37:47 executed programs: 0 serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-7 port 1 (session ID: 7090ed6cdc34f0b7b900ab0e8d5cb7f4275e461edee1662329822ff03b1e4d02, 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: [ 95.137780] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 95.164409] ------------[ cut here ]------------ [ 95.169271] WARNING: CPU: 1 PID: 2931 at arch/x86/kvm/x86.c:7222 kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 95.178672] Kernel panic - not syncing: panic_on_warn set ... [ 95.178672] [ 95.186008] CPU: 1 PID: 2931 Comm: syz-executor0 Not tainted 4.13.0-rc1+ #1 [ 95.193076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.202403] Call Trace: [ 95.204966] dump_stack+0x194/0x257 [ 95.208563] ? arch_local_irq_restore+0x53/0x53 [ 95.213207] panic+0x1e4/0x417 [ 95.216365] ? __warn+0x1d9/0x1d9 [ 95.219783] ? show_regs_print_info+0x65/0x65 [ 95.224265] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 95.229254] __warn+0x1c4/0x1d9 [ 95.232505] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 95.237489] report_bug+0x211/0x2d0 [ 95.241095] fixup_bug+0x40/0x90 [ 95.244435] do_trap+0x260/0x390 [ 95.247772] do_error_trap+0x120/0x390 [ 95.251636] ? do_trap+0x390/0x390 [ 95.255156] ? lock_acquire+0x1d5/0x580 [ 95.259101] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 95.264096] ? fpu__activate_curr+0xed/0x650 [ 95.268473] ? fpstate_init+0x160/0x160 [ 95.272418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 95.277224] ? vcpu_load+0x1c/0x70 [ 95.280738] do_invalid_op+0x1b/0x20 [ 95.284421] invalid_op+0x1e/0x30 [ 95.287841] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 95.293430] RSP: 0018:ffff8801d0cc7670 EFLAGS: 00010297 [ 95.298760] RAX: ffff8801d0ce24c0 RBX: ffff8801d0d23000 RCX: ffff8801d13a04dc [ 95.305995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d13a02e0 [ 95.313248] RBP: ffff8801d0cc7a40 R08: 1ffffffff09c7151 R09: 0000000000000004 [ 95.320493] R10: ffff8801d0cc7a58 R11: ffffffff81067c9c R12: 0000000000000001 [ 95.327729] R13: 0000000000000000 R14: ffff8801d7b8dc00 R15: ffff8801d13a00c0 [ 95.334982] ? vcpu_load+0x1c/0x70 [ 95.338506] ? mutex_lock_io_nested+0x1740/0x1740 [ 95.343337] ? __lock_acquire+0x6ef/0x3dc0 [ 95.347538] ? get_futex_value_locked+0xc3/0xf0 [ 95.352176] ? futex_wait_setup+0x22e/0x3d0 [ 95.356469] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 95.361279] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 95.366447] ? vcpu_put+0x35/0x40 [ 95.370056] ? lock_downgrade+0x990/0x990 [ 95.374183] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 95.379251] ? futex_wait+0x6cf/0xa00 [ 95.383022] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 95.388179] ? kvm_arch_end_assignment+0x20/0x20 [ 95.392991] ? futex_wait_setup+0x3d0/0x3d0 [ 95.397370] ? vmx_vcpu_load+0x63f/0xa30 [ 95.401750] ? handle_invept+0x5f0/0x5f0 [ 95.405775] ? futex_wake+0x2ca/0x680 [ 95.409551] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 95.414014] ? kvm_arch_end_assignment+0x20/0x20 [ 95.418736] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 95.423208] ? __hrtick_start+0x1d0/0x1d0 [ 95.427336] kvm_vcpu_ioctl+0x64c/0x1010 [ 95.431364] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 95.435568] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 95.440811] ? kvm_dev_ioctl+0x13b/0x14b0 [ 95.444938] ? find_held_lock+0x35/0x1d0 [ 95.448973] ? __fget+0x333/0x570 [ 95.452394] ? lock_downgrade+0x990/0x990 [ 95.456513] ? lock_release+0xa40/0xa40 [ 95.460458] ? __lock_is_held+0xb6/0x140 [ 95.464509] ? __fget+0x35c/0x570 [ 95.467939] ? iterate_fd+0x3f0/0x3f0 [ 95.471719] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 95.476969] do_vfs_ioctl+0x1b1/0x1520 [ 95.480832] ? ioctl_preallocate+0x2b0/0x2b0 [ 95.485212] ? selinux_capable+0x40/0x40 [ 95.489243] ? SyS_futex+0x285/0x380 [ 95.492934] ? SyS_futex+0x28e/0x380 [ 95.496646] ? security_file_ioctl+0x7d/0xb0 [ 95.501034] ? security_file_ioctl+0x89/0xb0 [ 95.505424] SyS_ioctl+0x8f/0xc0 [ 95.508766] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 95.513488] RIP: 0033:0x4512c9 [ 95.516643] RSP: 002b:00007f648d2ebc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 95.524319] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512c9 [ 95.531555] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 95.538790] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 95.546039] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 [ 95.553287] R13: 00007ffe113ddf2f R14: 00007f648d2ec9c0 R15: 0000000000000000 [ 95.560688] Dumping ftrace buffer: [ 95.564235] (ftrace buffer empty) [ 95.567915] Kernel Offset: disabled [ 95.571512] Rebooting in 86400 seconds..