INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-9,10.128.15.199' (ECDSA) to the list of known hosts. 2017/09/19 12:00:01 parsed 1 programs 2017/09/19 12:00:01 executed programs: 0 syzkaller login: [ 52.421718] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/09/19 12:00:06 executed programs: 138 2017/09/19 12:00:11 executed programs: 261 [ 65.962890] ------------[ cut here ]------------ [ 66.003140] WARNING: CPU: 1 PID: 4589 at arch/x86/kvm/vmx.c:6526 handle_ept_misconfig+0x140/0x520 [ 66.076137] Kernel panic - not syncing: panic_on_warn set ... [ 66.076137] [ 66.083543] CPU: 1 PID: 4589 Comm: syz-executor5 Not tainted 4.13.0-mm1+ #7 [ 66.090638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.099986] Call Trace: [ 66.102571] dump_stack+0x194/0x257 [ 66.106208] ? arch_local_irq_restore+0x53/0x53 [ 66.110898] panic+0x1e4/0x417 [ 66.114084] ? __warn+0x1d9/0x1d9 [ 66.117528] ? show_regs_print_info+0x65/0x65 [ 66.122049] ? handle_ept_misconfig+0x140/0x520 [ 66.126719] __warn+0x1c4/0x1d9 [ 66.130002] ? handle_ept_misconfig+0x140/0x520 [ 66.134678] report_bug+0x211/0x2d0 [ 66.138317] fixup_bug+0x40/0x90 [ 66.141683] do_trap+0x260/0x390 [ 66.145057] do_error_trap+0x120/0x390 [ 66.148949] ? do_trap+0x390/0x390 [ 66.152484] ? handle_ept_misconfig+0x140/0x520 [ 66.157153] ? __kvm_io_bus_write+0x2b4/0x3a0 [ 66.161660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.166525] do_invalid_op+0x1b/0x20 [ 66.170241] invalid_op+0x18/0x20 [ 66.173688] RIP: 0010:handle_ept_misconfig+0x140/0x520 [ 66.178950] RSP: 0018:ffff8801cd947470 EFLAGS: 00010297 [ 66.184313] RAX: ffff8801c9b02540 RBX: 1ffff10039b28e90 RCX: 0000000000000000 [ 66.191592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed0039b28e78 [ 66.198851] RBP: ffff8801cd947548 R08: 0000000000000007 R09: ffff8801cd9472f0 [ 66.206109] R10: ffff8801c9b02540 R11: 0000000000000002 R12: ffff8801c1578d00 [ 66.213374] R13: 00000000fffffff2 R14: ffff8801cd947520 R15: dffffc0000000000 [ 66.220659] ? handle_preemption_timer+0x20/0x20 [ 66.225420] ? __lock_is_held+0xbc/0x140 [ 66.229501] ? handle_preemption_timer+0x20/0x20 [ 66.234270] vmx_handle_exit+0x24b/0x1a60 [ 66.238434] ? vmx_set_msr+0x1820/0x1820 [ 66.242503] ? nested_ept_inject_page_fault+0x1f0/0x1f0 [ 66.247879] ? kvm_arch_vcpu_ioctl_run+0x1b91/0x5a30 [ 66.252998] kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 [ 66.257961] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 66.262802] ? __raw_spin_lock_init+0x2d/0x100 [ 66.267397] ? __init_waitqueue_head+0x97/0x140 [ 66.272054] ? wake_up_q+0xe0/0xe0 [ 66.275585] ? __wait_rcu_gp+0x25d/0x420 [ 66.279617] ? rcu_gp_is_normal+0x140/0x140 [ 66.283920] ? synchronize_sched.part.68+0xbd/0x110 [ 66.288908] ? synchronize_sched_expedited+0xf0/0xf0 [ 66.293981] ? call_rcu_bh+0x20/0x20 [ 66.297668] ? __lock_is_held+0xbc/0x140 [ 66.301697] ? lock_release+0xd70/0xd70 [ 66.305643] ? trace_raw_output_rcu_utilization+0xb0/0xb0 [ 66.311163] ? put_pid+0x184/0x1f0 [ 66.314673] ? task_active_pid_ns+0xd0/0xd0 [ 66.318977] kvm_vcpu_ioctl+0x64c/0x1010 [ 66.323011] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 66.327225] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 66.332479] ? lock_downgrade+0x990/0x990 [ 66.336605] ? exit_robust_list+0x240/0x240 [ 66.340902] ? __fget+0xbb/0x580 [ 66.344240] ? avc_ss_reset+0x110/0x110 [ 66.348188] ? lock_release+0xd70/0xd70 [ 66.352136] ? __lock_is_held+0xbc/0x140 [ 66.356179] ? __fget+0x362/0x580 [ 66.359609] ? iterate_fd+0x3f0/0x3f0 [ 66.363395] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 66.368643] do_vfs_ioctl+0x1b1/0x1530 [ 66.372505] ? ioctl_preallocate+0x2b0/0x2b0 [ 66.376887] ? selinux_capable+0x40/0x40 [ 66.380922] ? SyS_futex+0x260/0x390 [ 66.384602] ? SyS_futex+0x269/0x390 [ 66.388298] ? security_file_ioctl+0x7d/0xb0 [ 66.392674] ? security_file_ioctl+0x89/0xb0 [ 66.397056] SyS_ioctl+0x8f/0xc0 [ 66.400399] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 66.405122] RIP: 0033:0x4520a9 [ 66.408279] RSP: 002b:00007f774b400c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 [ 66.415958] RAX: ffffffffffffffda RBX: 0000000000718160 RCX: 00000000004520a9 [ 66.423198] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000009 [ 66.430439] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 66.437677] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004ba520 [ 66.444916] R13: 00000000ffffffff R14: ffffffffffffff9c R15: 0000000020f7b000 [ 66.452850] Dumping ftrace buffer: [ 66.456437] (ftrace buffer empty) [ 66.460119] Kernel Offset: disabled [ 66.463724] Rebooting in 86400 seconds..