[....] Starting enhanced syslogd: rsyslogd[ 11.963967] audit: type=1400 audit(1515222145.307:5): avc: denied { syslog } for pid=3335 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: [ 16.728092] audit: type=1400 audit(1515222150.071:6): avc: denied { map } for pid=3473 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 '10.128.15.214' (ECDSA) to the list of known hosts. [ 22.872919] audit: type=1400 audit(1515222156.216:7): avc: denied { map } for pid=3487 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 2018/01/06 07:02:36 parsed 1 programs 2018/01/06 07:02:36 executed programs: 0 [ 23.002510] audit: type=1400 audit(1515222156.346:8): avc: denied { map } for pid=3487 comm="syz-execprog" path="/root/syzkaller-shm031043689" 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 [ 23.192485] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 23.277092] WARNING: CPU: 1 PID: 3497 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 23.286450] Kernel panic - not syncing: panic_on_warn set ... [ 23.286450] [ 23.293777] CPU: 1 PID: 3497 Comm: syz-executor0 Not tainted 4.15.0-rc6+ #159 [ 23.301012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.310329] Call Trace: [ 23.312887] dump_stack+0x194/0x257 [ 23.316485] ? arch_local_irq_restore+0x53/0x53 [ 23.321132] ? vsnprintf+0x1ed/0x1900 [ 23.324910] panic+0x1e4/0x41c [ 23.328067] ? refcount_error_report+0x214/0x214 [ 23.332788] ? show_regs_print_info+0x18/0x18 [ 23.337255] ? __warn+0x1c1/0x200 [ 23.340678] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 23.345660] __warn+0x1dc/0x200 [ 23.348907] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 23.353905] report_bug+0x211/0x2d0 [ 23.357508] fixup_bug.part.11+0x37/0x80 [ 23.361542] do_error_trap+0x2d7/0x3e0 [ 23.365402] ? math_error+0x400/0x400 [ 23.369172] ? __lock_is_held+0xb6/0x140 [ 23.373208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.378020] do_invalid_op+0x1b/0x20 [ 23.381700] invalid_op+0x22/0x40 [ 23.385120] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 23.390705] RSP: 0018:ffff8801be09f580 EFLAGS: 00010293 [ 23.396032] RAX: ffff8801bed2e680 RBX: ffff8801bed19000 RCX: ffffffff810df29f [ 23.403269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c8670260 [ 23.410503] RBP: ffff8801be09f910 R08: 1ffff10037c13eda R09: 0000000000000001 [ 23.417741] R10: ffff8801be09f930 R11: 0000000000000000 R12: 0000000000000000 [ 23.424976] R13: 1ffff10037c13f4d R14: ffff8801bdce4f00 R15: ffff8801c8670040 [ 23.432223] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 23.437212] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 23.442283] ? depot_save_stack+0x3b5/0x490 [ 23.446585] ? put_pid+0x176/0x1f0 [ 23.450097] ? save_stack+0xa3/0xd0 [ 23.453690] ? save_stack+0x43/0xd0 [ 23.457281] ? kasan_slab_free+0x71/0xc0 [ 23.461312] ? put_pid+0x176/0x1f0 [ 23.464821] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 23.469629] ? do_fast_syscall_32+0x3ee/0xf9d [ 23.474089] ? entry_SYSENTER_compat+0x54/0x63 [ 23.478639] ? debug_check_no_obj_freed+0x611/0xf1f [ 23.483621] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.488608] ? check_noncircular+0x20/0x20 [ 23.492813] ? print_irqtrace_events+0x270/0x270 [ 23.497540] ? free_obj_work+0x690/0x690 [ 23.501587] ? refcount_sub_and_test+0x115/0x1b0 [ 23.506312] ? refcount_inc+0x50/0x50 [ 23.510082] ? put_pid+0x176/0x1f0 [ 23.513598] ? refcount_dec_and_test+0x1a/0x20 [ 23.518150] ? put_pid_ns+0xa6/0xc0 [ 23.521745] ? put_pid+0x183/0x1f0 [ 23.525252] ? task_active_pid_ns+0xd0/0xd0 [ 23.529542] ? __might_sleep+0x95/0x190 [ 23.533487] kvm_vcpu_ioctl+0x64c/0x1010 [ 23.537513] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 23.541721] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 23.547579] ? __fget+0x333/0x570 [ 23.551010] ? lock_downgrade+0x980/0x980 [ 23.555130] ? lock_release+0xa40/0xa40 [ 23.559074] ? __lock_is_held+0xb6/0x140 [ 23.563113] ? __fget+0x35c/0x570 [ 23.566544] ? iterate_fd+0x3f0/0x3f0 [ 23.570313] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.576163] ? free_obj_work+0x690/0x690 [ 23.580187] ? __fd_install+0x288/0x740 [ 23.584144] ? rcu_note_context_switch+0x710/0x710 [ 23.589042] ? __might_sleep+0x95/0x190 [ 23.592988] ? _cond_resched+0x14/0x30 [ 23.596844] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 23.601742] ? selinux_file_ioctl+0x444/0x690 [ 23.606201] ? __fget_light+0x297/0x380 [ 23.610150] kvm_vcpu_compat_ioctl+0x364/0x450 [ 23.614701] ? kmem_cache_free+0x267/0x2a0 [ 23.618912] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 23.623202] ? compat_SyS_futex+0x288/0x380 [ 23.627499] ? security_file_ioctl+0x7d/0xb0 [ 23.631872] ? security_file_ioctl+0x89/0xb0 [ 23.636254] compat_SyS_ioctl+0x151/0x2a30 [ 23.640459] ? do_sys_ftruncate.constprop.14+0x112/0x5d0 [ 23.645876] ? do_fast_syscall_32+0x156/0xf9d [ 23.650338] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 23.654630] ? do_ioctl+0x60/0x60 [ 23.658051] do_fast_syscall_32+0x3ee/0xf9d [ 23.662342] ? do_raw_spin_trylock+0x190/0x190 [ 23.666894] ? do_int80_syscall_32+0x9d0/0x9d0 [ 23.671453] ? syscall_return_slowpath+0x2ad/0x550 [ 23.676349] ? prepare_exit_to_usermode+0x340/0x340 [ 23.681333] ? sysret32_from_system_call+0x5/0x3b [ 23.686147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.690964] entry_SYSENTER_compat+0x54/0x63 [ 23.695337] RIP: 0023:0xf7f80c79 [ 23.698677] RSP: 002b:00000000f7f7c08c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 23.706353] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 23.713588] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.720821] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.728054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 23.735288] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 23.743094] Dumping ftrace buffer: [ 23.746663] (ftrace buffer empty) [ 23.750339] Kernel Offset: disabled [ 23.753935] Rebooting in 86400 seconds..