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 Warning: Permanently added 'ci-upstream-kasan-gce-386-0,10.128.0.22' (ECDSA) to the list of known hosts. 2017/12/02 15:33:38 parsed 1 programs 2017/12/02 15:33:38 executed programs: 0 syzkaller login: [ 115.142197] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 119.500412] WARNING: CPU: 1 PID: 4266 at arch/x86/kvm/emulate.c:5654 x86_emulate_insn+0xd01/0x3cf0 [ 119.509570] Kernel panic - not syncing: panic_on_warn set ... [ 119.509570] [ 119.516929] CPU: 1 PID: 4266 Comm: syz-executor2 Not tainted 4.15.0-rc1+ #115 [ 119.524190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.533529] Call Trace: [ 119.536105] dump_stack+0x194/0x257 [ 119.539725] ? arch_local_irq_restore+0x53/0x53 [ 119.544382] ? vsnprintf+0x1ed/0x1900 [ 119.548160] panic+0x1e4/0x41c [ 119.551322] ? refcount_error_report+0x214/0x214 [ 119.556046] ? show_regs_print_info+0x65/0x65 [ 119.560519] ? __warn+0x1c1/0x200 [ 119.563948] ? x86_emulate_insn+0xd01/0x3cf0 [ 119.568326] __warn+0x1dc/0x200 [ 119.571579] ? x86_emulate_insn+0xd01/0x3cf0 [ 119.575960] report_bug+0x211/0x2d0 [ 119.579567] fixup_bug.part.11+0x37/0x80 [ 119.583597] do_error_trap+0x2d7/0x3e0 [ 119.587460] ? math_error+0x400/0x400 [ 119.591235] ? emulator_read_write+0x540/0x540 [ 119.595787] ? segmented_write+0x11a/0x180 [ 119.599991] ? em_fxsave+0x2e0/0x2e0 [ 119.603680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.608501] do_invalid_op+0x1b/0x20 [ 119.612185] invalid_op+0x18/0x20 [ 119.615608] RIP: 0010:x86_emulate_insn+0xd01/0x3cf0 [ 119.620592] RSP: 0018:ffff8801cbf5f2b8 EFLAGS: 00010293 [ 119.625926] RAX: ffff8801cd20a3c0 RBX: 1ffff100397ebe60 RCX: ffffffff81153d11 [ 119.633165] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8801cb3ea8c8 [ 119.640406] RBP: ffff8801cbf5f3c8 R08: ffff8801cb3e8080 R09: ffffffff85224cc0 [ 119.647645] R10: 0000000000000001 R11: ffffed003967d534 R12: 00000000000000ff [ 119.654885] R13: ffff8801cb3ea8a0 R14: 0000000000000002 R15: ffff8801cb3ea9c3 [ 119.662139] ? x86_emulate_insn+0xd01/0x3cf0 [ 119.666524] ? x86_emulate_insn+0xd01/0x3cf0 [ 119.670913] ? init_decode_cache+0xc0/0xc0 [ 119.675140] x86_emulate_instruction+0x411/0x1ad0 [ 119.679949] ? vcpu_load+0x1c/0x70 [ 119.683469] ? reexecute_instruction.part.167+0x260/0x260 [ 119.688982] ? lock_release+0xda0/0xda0 [ 119.692932] ? __might_sleep+0x95/0x190 [ 119.696876] ? vcpu_load+0x1c/0x70 [ 119.700387] ? __mutex_lock+0x16f/0x1a80 [ 119.704415] ? vcpu_load+0x1c/0x70 [ 119.707930] complete_emulated_pio+0xdd/0x1b0 [ 119.712393] ? complete_emulated_mmio+0x6f0/0x6f0 [ 119.717206] kvm_arch_vcpu_ioctl_run+0x2db2/0x5c60 [ 119.722107] ? mutex_lock_io_nested+0x1900/0x1900 [ 119.726925] ? __lock_acquire+0x6e9/0x47f0 [ 119.731135] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 119.736209] ? futex_wait+0x69e/0x990 [ 119.739976] ? vmx_vcpu_load+0x9c6/0xdd0 [ 119.744010] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 119.748829] ? handle_invept+0x5f0/0x5f0 [ 119.752860] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 119.758020] ? save_stack+0x43/0xd0 [ 119.761615] ? kasan_slab_free+0x71/0xc0 [ 119.765651] ? kfree+0xca/0x250 [ 119.768901] ? hash_futex+0x15/0x210 [ 119.772584] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 119.777746] ? futex_wake+0x2ca/0x680 [ 119.781527] ? get_futex_key+0x1d50/0x1d50 [ 119.785733] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 119.790545] ? lock_downgrade+0x980/0x980 [ 119.794675] ? kvm_arch_vcpu_load+0x1c1/0x890 [ 119.799147] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 119.803616] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 119.808100] kvm_vcpu_ioctl+0x64c/0x1010 [ 119.812129] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 119.816340] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 119.821583] ? lock_downgrade+0x980/0x980 [ 119.825704] ? __fget+0xbb/0x580 [ 119.829048] ? lock_release+0xda0/0xda0 [ 119.832995] ? __lock_is_held+0xbc/0x140 [ 119.837042] ? __fget+0x362/0x580 [ 119.840472] ? iterate_fd+0x3f0/0x3f0 [ 119.844243] ? __fd_install+0x288/0x740 [ 119.848192] ? may_open_dev+0xe0/0xe0 [ 119.851969] ? rcu_pm_notify+0xc0/0xc0 [ 119.855827] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 119.860725] ? selinux_file_ioctl+0x444/0x690 [ 119.865188] ? __fget_light+0x29d/0x390 [ 119.869138] kvm_vcpu_compat_ioctl+0x364/0x450 [ 119.873689] ? kmem_cache_free+0x249/0x280 [ 119.877894] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 119.882187] ? compat_SyS_futex+0x288/0x380 [ 119.886485] ? security_file_ioctl+0x7d/0xb0 [ 119.890861] ? security_file_ioctl+0x89/0xb0 [ 119.895244] compat_SyS_ioctl+0x151/0x2a30 [ 119.899448] ? finish_task_switch+0x1aa/0x740 [ 119.903914] ? do_fast_syscall_32+0x156/0xf9d [ 119.908382] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 119.912674] ? do_ioctl+0x60/0x60 [ 119.916100] do_fast_syscall_32+0x3ee/0xf9d [ 119.920400] ? do_int80_syscall_32+0x9d0/0x9d0 [ 119.924954] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 119.930464] ? lockdep_sys_exit+0x47/0xf0 [ 119.934581] ? syscall_return_slowpath+0x2ad/0x550 [ 119.939487] ? sysret32_from_system_call+0x5/0x3b [ 119.944304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.949127] entry_SYSENTER_compat+0x51/0x60 [ 119.953501] RIP: 0023:0xf7f54c79 [ 119.956833] RSP: 002b:00000000f7f5008c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 119.964509] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80 [ 119.971746] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 119.979073] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 119.986311] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 119.993549] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 120.001426] Dumping ftrace buffer: [ 120.005019] (ftrace buffer empty) [ 120.008695] Kernel Offset: disabled [ 120.012290] Rebooting in 86400 seconds..