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-6,10.128.0.10' (ECDSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-6 port 1 (session ID: 68605f943e80b9ae78ffb1904d28c59a701cde2e24780198ecf1569865724137, active connections: 1). 2017/07/22 14:53:40 parsed 1 programs 2017/07/22 14:53:40 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: [ 45.740637] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 45.747223] ------------[ cut here ]------------ [ 45.747962] WARNING: CPU: 1 PID: 2926 at arch/x86/kvm/x86.c:7222 kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 45.749305] Kernel panic - not syncing: panic_on_warn set ... [ 45.749305] [ 45.750314] CPU: 1 PID: 2926 Comm: syz-executor0 Not tainted 4.13.0-rc1+ #1 [ 45.751246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.752467] Call Trace: [ 45.752831] dump_stack+0x194/0x257 [ 45.753325] ? arch_local_irq_restore+0x53/0x53 [ 45.753988] panic+0x1e4/0x417 [ 45.754447] ? __warn+0x1d9/0x1d9 [ 45.754916] ? show_regs_print_info+0x65/0x65 [ 45.755530] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 45.756229] __warn+0x1c4/0x1d9 [ 45.756675] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 45.757350] report_bug+0x211/0x2d0 [ 45.757896] fixup_bug+0x40/0x90 [ 45.758383] do_trap+0x260/0x390 [ 45.758845] do_error_trap+0x120/0x390 [ 45.759559] ? do_trap+0x390/0x390 [ 45.760039] ? lock_acquire+0x1d5/0x580 [ 45.760615] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 45.761313] ? fpu__activate_curr+0xed/0x650 [ 45.765699] ? fpstate_init+0x160/0x160 [ 45.769648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.774459] ? vcpu_load+0x1c/0x70 [ 45.777971] do_invalid_op+0x1b/0x20 [ 45.781662] invalid_op+0x1e/0x30 [ 45.785083] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 45.790671] RSP: 0018:ffff8801d14d7670 EFLAGS: 00010297 [ 45.796012] RAX: ffff8801d2e36700 RBX: ffff8801dbdcc000 RCX: ffff8801d150045c [ 45.803260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d1500260 [ 45.810496] RBP: ffff8801d14d7a40 R08: 1ffffffff09c7151 R09: 0000000000000004 [ 45.817733] R10: ffff8801d14d7a58 R11: ffffffff81067c9c R12: 0000000000000001 [ 45.824970] R13: 0000000000000000 R14: ffff8801d927cf00 R15: ffff8801d1500040 [ 45.832232] ? vcpu_load+0x1c/0x70 [ 45.835761] ? mutex_lock_io_nested+0x1740/0x1740 [ 45.840579] ? __lock_acquire+0x6ef/0x3dc0 [ 45.844782] ? get_futex_value_locked+0xc3/0xf0 [ 45.849419] ? futex_wait_setup+0x22e/0x3d0 [ 45.853711] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 45.858524] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.863681] ? queue_delayed_work_on+0xc9/0x1d0 [ 45.868319] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 45.873401] ? futex_wait+0x6cf/0xa00 [ 45.877166] ? vmcs_load+0xb3/0x180 [ 45.880759] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 45.885925] ? kvm_arch_end_assignment+0x20/0x20 [ 45.890649] ? kvm_arch_vcpu_create+0x1a0/0x1a0 [ 45.895289] ? vmx_vcpu_load+0x63f/0xa30 [ 45.899329] ? handle_invept+0x5f0/0x5f0 [ 45.903365] ? futex_wake+0x2ca/0x680 [ 45.907141] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 45.911848] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 45.916317] ? __hrtick_start+0x1d0/0x1d0 [ 45.920450] kvm_vcpu_ioctl+0x64c/0x1010 [ 45.924485] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 45.928698] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 45.933950] ? find_held_lock+0x35/0x1d0 [ 45.937986] ? __fget+0x333/0x570 [ 45.941405] ? lock_downgrade+0x990/0x990 [ 45.945523] ? lock_release+0xa40/0xa40 [ 45.949468] ? __lock_is_held+0xb6/0x140 [ 45.953505] ? __fget+0x35c/0x570 [ 45.956940] ? iterate_fd+0x3f0/0x3f0 [ 45.960708] ? do_filp_open+0x27d/0x3b0 [ 45.964654] ? get_unused_fd_flags+0x190/0x190 [ 45.969209] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 45.974450] do_vfs_ioctl+0x1b1/0x1520 [ 45.978301] ? putname+0xee/0x130 [ 45.981727] ? ioctl_preallocate+0x2b0/0x2b0 [ 45.986108] ? selinux_capable+0x40/0x40 [ 45.990140] ? SyS_futex+0x285/0x380 [ 45.993828] ? SyS_futex+0x28e/0x380 [ 45.997529] ? security_file_ioctl+0x7d/0xb0 [ 46.001909] ? security_file_ioctl+0x89/0xb0 [ 46.006289] SyS_ioctl+0x8f/0xc0 [ 46.009630] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 46.014353] RIP: 0033:0x4512c9 [ 46.017510] RSP: 002b:00007fe3310fbc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 46.025196] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512c9 [ 46.032434] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 46.039669] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 46.046915] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 [ 46.054153] R13: 00007ffdc111e46f R14: 00007fe3310fc9c0 R15: 0000000000000000 [ 46.061603] Dumping ftrace buffer: [ 46.065181] (ftrace buffer empty) [ 46.068863] Kernel Offset: disabled [ 46.072460] Rebooting in 86400 seconds..