Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added 'ci-upstream-kasan-gce-0,10.128.0.31' (ECDSA) to the list of known hosts. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. 2017/07/23 04:14:49 parsed 1 programs 2017/07/23 04:14:49 executed programs: 0 serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-0 port 1 (session ID: 674520fca4aee3378a6ed103b0ef6ec30ed7a27793dfcd689352812841fb46a0, 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: [ 55.767703] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/07/23 04:14:54 executed programs: 351 2017/07/23 04:14:59 executed programs: 651 [ 68.308420] ------------[ cut here ]------------ [ 68.317270] WARNING: CPU: 1 PID: 5839 at arch/x86/kvm/x86.c:7222 kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 68.381559] Kernel panic - not syncing: panic_on_warn set ... [ 68.381559] [ 68.388949] CPU: 1 PID: 5839 Comm: syz-executor1 Not tainted 4.13.0-rc1+ #2 [ 68.396042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.405403] Call Trace: [ 68.407979] dump_stack+0x194/0x257 [ 68.411609] ? arch_local_irq_restore+0x53/0x53 [ 68.416301] panic+0x1e4/0x417 [ 68.419492] ? __warn+0x1d9/0x1d9 [ 68.422935] ? show_regs_print_info+0x65/0x65 [ 68.427450] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 68.432465] __warn+0x1c4/0x1d9 [ 68.435740] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 68.440754] report_bug+0x211/0x2d0 [ 68.444381] fixup_bug+0x40/0x90 [ 68.447741] do_trap+0x260/0x390 [ 68.451117] do_error_trap+0x120/0x390 [ 68.455005] ? do_trap+0x390/0x390 [ 68.458537] ? lock_acquire+0x1d5/0x580 [ 68.462526] ? kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 68.467537] ? fpu__activate_curr+0xed/0x650 [ 68.471944] ? fpstate_init+0x160/0x160 [ 68.475915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.480753] ? vcpu_load+0x1c/0x70 [ 68.484309] do_invalid_op+0x1b/0x20 [ 68.488023] invalid_op+0x1e/0x30 [ 68.491476] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 [ 68.497089] RSP: 0018:ffff8801ccc2f670 EFLAGS: 00010297 [ 68.502456] RAX: ffff8801c120e1c0 RBX: ffff8801cd002000 RCX: ffff8801d5a0211c [ 68.509731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d5a01f20 [ 68.516994] RBP: ffff8801ccc2fa40 R08: 1ffffffff09c7151 R09: 0000000000000004 [ 68.524257] R10: ffff8801ccc2fa58 R11: ffffffff81067c9c R12: 0000000000000001 [ 68.531520] R13: 0000000000000000 R14: ffff8801c5eda080 R15: ffff8801d5a01d00 [ 68.538803] ? vcpu_load+0x1c/0x70 [ 68.542356] ? unwind_get_return_address+0x61/0xa0 [ 68.547284] ? mutex_lock_io_nested+0x1740/0x1740 [ 68.552122] ? __lock_acquire+0x6ef/0x3dc0 [ 68.556348] ? get_futex_value_locked+0xc3/0xf0 [ 68.561019] ? futex_wait_setup+0x22e/0x3d0 [ 68.565353] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 68.570200] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 68.575387] ? vcpu_put+0x35/0x40 [ 68.578923] ? lock_downgrade+0x990/0x990 [ 68.583064] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 68.588166] ? futex_wait+0x6cf/0xa00 [ 68.591957] ? kasan_slab_free+0x6e/0xc0 [ 68.596012] ? kfree+0xd3/0x260 [ 68.599304] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 68.604499] ? kvm_arch_end_assignment+0x20/0x20 [ 68.609253] ? futex_wait_setup+0x3d0/0x3d0 [ 68.613569] ? vmx_vcpu_load+0x63f/0xa30 [ 68.617626] ? handle_invept+0x5f0/0x5f0 [ 68.621675] ? futex_wake+0x2ca/0x680 [ 68.625486] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 68.629980] ? kvm_arch_end_assignment+0x20/0x20 [ 68.634735] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 68.639226] ? __hrtick_start+0x1d0/0x1d0 [ 68.643397] kvm_vcpu_ioctl+0x64c/0x1010 [ 68.647449] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 68.651676] ? page_add_new_anon_rmap+0x36c/0x750 [ 68.656526] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 68.661823] ? find_held_lock+0x35/0x1d0 [ 68.665915] ? __fget+0x333/0x570 [ 68.669369] ? lock_downgrade+0x990/0x990 [ 68.673523] ? lock_release+0xa40/0xa40 [ 68.677502] ? __lock_is_held+0xb6/0x140 [ 68.681581] ? __fget+0x35c/0x570 [ 68.685037] ? iterate_fd+0x3f0/0x3f0 [ 68.688844] ? lock_acquire+0x1d5/0x580 [ 68.692810] ? lock_acquire+0x1d5/0x580 [ 68.696792] ? find_held_lock+0x35/0x1d0 [ 68.700861] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 68.706134] do_vfs_ioctl+0x1b1/0x1520 [ 68.710007] ? __do_page_fault+0x51b/0xb60 [ 68.714239] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.718638] ? selinux_capable+0x40/0x40 [ 68.722689] ? SyS_futex+0x285/0x380 [ 68.726382] ? SyS_futex+0x28e/0x380 [ 68.730098] ? security_file_ioctl+0x7d/0xb0 [ 68.734493] ? security_file_ioctl+0x89/0xb0 [ 68.739006] SyS_ioctl+0x8f/0xc0 [ 68.742374] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 68.747113] RIP: 0033:0x4512c9 [ 68.750283] RSP: 002b:00007f97929a7c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 68.757979] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512c9 [ 68.765236] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 68.772504] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 68.779766] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000009120 [ 68.787021] R13: 000000002aaaaaab R14: 0000000020000000 R15: 0000000000000005 [ 68.794800] Dumping ftrace buffer: [ 68.798405] (ftrace buffer empty) [ 68.802085] Kernel Offset: disabled [ 68.805704] Rebooting in 86400 seconds..