[....] Starting enhanced syslogd: rsyslogd[ 10.802681] audit: type=1400 audit(1513707139.727:5): avc: denied { syslog } for pid=2994 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?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: [ 16.398961] audit: type=1400 audit(1513707145.323:6): avc: denied { map } for pid=3133 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-kasan-gce-386-3,10.128.0.15' (ECDSA) to the list of known hosts. [ 22.524154] audit: type=1400 audit(1513707151.448:7): avc: denied { map } for pid=3147 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/19 18:12:31 parsed 1 programs 2017/12/19 18:12:31 executed programs: 0 [ 22.621914] audit: type=1400 audit(1513707151.546:8): avc: denied { map } for pid=3147 comm="syz-execprog" path="/root/syzkaller-shm210111949" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 22.648940] audit: type=1400 audit(1513707151.546:9): avc: denied { sys_admin } for pid=3152 comm="syz-executor4" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 22.724354] audit: type=1400 audit(1513707151.649:10): avc: denied { sys_chroot } for pid=3155 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 22.759345] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 22.865076] WARNING: CPU: 0 PID: 3189 at arch/x86/kvm/x86.c:7308 kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 22.874464] Kernel panic - not syncing: panic_on_warn set ... [ 22.874464] [ 22.881794] CPU: 0 PID: 3189 Comm: syz-executor0 Not tainted 4.15.0-rc4+ #138 [ 22.889041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.898361] Call Trace: [ 22.900922] dump_stack+0x194/0x257 [ 22.904524] ? arch_local_irq_restore+0x53/0x53 [ 22.909165] ? vsnprintf+0x1ed/0x1900 [ 22.912939] panic+0x1e4/0x41c [ 22.916100] ? refcount_error_report+0x214/0x214 [ 22.920857] ? show_regs_print_info+0x18/0x18 [ 22.925335] ? __warn+0x1c1/0x200 [ 22.928772] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 22.933755] __warn+0x1dc/0x200 [ 22.937003] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 22.941991] report_bug+0x211/0x2d0 [ 22.945592] fixup_bug.part.11+0x37/0x80 [ 22.949620] do_error_trap+0x2d7/0x3e0 [ 22.953478] ? math_error+0x400/0x400 [ 22.957260] ? __lock_is_held+0xb6/0x140 [ 22.961300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.966115] do_invalid_op+0x1b/0x20 [ 22.969800] invalid_op+0x22/0x40 [ 22.973221] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 22.978820] RSP: 0018:ffff8801c7f07580 EFLAGS: 00010293 [ 22.984151] RAX: ffff8801c7962000 RBX: ffff8801c7c21000 RCX: ffffffff810debd4 [ 22.991390] RDX: 0000000000000000 RSI: ffffffff85f40540 RDI: ffff8801c78a03e0 [ 22.998626] RBP: ffff8801c7f07910 R08: 0000000000000001 R09: 0000000000000001 [ 23.005863] R10: ffff8801c7f07930 R11: 0000000000000000 R12: 0000000000000000 [ 23.013097] R13: 1ffff10038fe0f4d R14: ffff8801c7c58f00 R15: ffff8801c78a01c0 [ 23.020345] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 23.025336] ? mark_held_locks+0xaf/0x100 [ 23.029452] ? _raw_spin_unlock_irq+0x27/0x70 [ 23.033916] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.038901] ? trace_hardirqs_on+0xd/0x10 [ 23.043020] ? wait_for_completion+0xe0/0x770 [ 23.047483] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 23.052293] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 23.058062] ? __lockdep_init_map+0xe4/0x650 [ 23.062438] ? lockdep_init_map+0x9/0x10 [ 23.066466] ? __init_waitqueue_head+0x97/0x140 [ 23.071100] ? wake_up_q+0xe0/0xe0 [ 23.074628] ? __wait_rcu_gp+0x23f/0x3e0 [ 23.078656] ? rcu_gp_is_normal+0x140/0x140 [ 23.082955] ? synchronize_sched.part.67+0xac/0x100 [ 23.087939] ? synchronize_sched_expedited+0xf0/0xf0 [ 23.093009] ? call_rcu_bh+0x20/0x20 [ 23.096695] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.102548] ? put_pid+0x183/0x1f0 [ 23.106058] ? task_active_pid_ns+0xd0/0xd0 [ 23.110348] ? __might_sleep+0x95/0x190 [ 23.114293] kvm_vcpu_ioctl+0x64c/0x1010 [ 23.118320] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 23.122525] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 23.127771] ? __fget+0x333/0x570 [ 23.131195] ? lock_downgrade+0x980/0x980 [ 23.135310] ? lock_release+0xa40/0xa40 [ 23.139254] ? __lock_is_held+0xb6/0x140 [ 23.143292] ? __fget+0x35c/0x570 [ 23.146720] ? iterate_fd+0x3f0/0x3f0 [ 23.150495] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.156348] ? __might_sleep+0x95/0x190 [ 23.160295] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 23.165192] ? selinux_file_ioctl+0x444/0x690 [ 23.169652] ? __fget_light+0x297/0x380 [ 23.173600] kvm_vcpu_compat_ioctl+0x364/0x450 [ 23.178151] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 23.182440] ? compat_SyS_futex+0x288/0x380 [ 23.186733] ? security_file_ioctl+0x7d/0xb0 [ 23.191108] ? security_file_ioctl+0x89/0xb0 [ 23.195488] compat_SyS_ioctl+0x151/0x2a30 [ 23.199689] ? do_fast_syscall_32+0x156/0xf9d [ 23.204151] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 23.208441] ? do_ioctl+0x60/0x60 [ 23.211863] do_fast_syscall_32+0x3ee/0xf9d [ 23.216152] ? do_raw_spin_trylock+0x190/0x190 [ 23.220706] ? do_int80_syscall_32+0x9d0/0x9d0 [ 23.225261] ? syscall_return_slowpath+0x2ad/0x550 [ 23.230157] ? prepare_exit_to_usermode+0x340/0x340 [ 23.235142] ? sysret32_from_system_call+0x5/0x3b [ 23.239956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.244775] entry_SYSENTER_compat+0x54/0x63 [ 23.249149] RIP: 0023:0xf7fb5c79 [ 23.252479] RSP: 002b:00000000f7f8f08c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 23.260159] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80 [ 23.267395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.274632] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.281869] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 23.289105] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 23.296526] Dumping ftrace buffer: [ 23.300088] (ftrace buffer empty) [ 23.303779] Kernel Offset: disabled [ 23.307377] Rebooting in 86400 seconds..