[....] Starting enhanced syslogd: rsyslogd[ 11.492078] audit: type=1400 audit(1514988543.953:5): avc: denied { syslog } for pid=3322 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 16.142808] audit: type=1400 audit(1514988548.604:6): avc: denied { map } for pid=3461 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 '10.128.0.5' (ECDSA) to the list of known hosts. [ 38.856653] audit: type=1400 audit(1514988571.318:7): avc: denied { map } for pid=3479 comm="syzkaller790529" path="/root/syzkaller790529542" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 38.883689] audit: type=1400 audit(1514988571.318:8): avc: denied { sys_admin } for pid=3487 comm="syzkaller790529" 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 executing program executing program executing program [ 39.075385] audit: type=1400 audit(1514988571.537:9): avc: denied { sys_chroot } for pid=3489 comm="syzkaller790529" 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 [ 39.109632] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.123144] WARNING: CPU: 0 PID: 3506 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.132545] Kernel panic - not syncing: panic_on_warn set ... [ 51.132545] [ 51.139890] CPU: 0 PID: 3506 Comm: syzkaller790529 Not tainted 4.15.0-rc6+ #155 [ 51.147319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.156644] Call Trace: [ 51.159206] dump_stack+0x194/0x257 [ 51.162810] ? arch_local_irq_restore+0x53/0x53 [ 51.167456] ? vsnprintf+0x1ed/0x1900 [ 51.171243] panic+0x1e4/0x41c [ 51.174405] ? refcount_error_report+0x214/0x214 [ 51.179131] ? show_regs_print_info+0x18/0x18 [ 51.183604] ? __warn+0x1c1/0x200 [ 51.187034] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.192023] __warn+0x1dc/0x200 [ 51.195272] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.200265] report_bug+0x211/0x2d0 [ 51.203870] fixup_bug.part.11+0x37/0x80 [ 51.207911] do_error_trap+0x2d7/0x3e0 [ 51.211767] ? check_noncircular+0x20/0x20 [ 51.215971] ? trace_hardirqs_on+0xd/0x10 [ 51.220108] ? math_error+0x400/0x400 [ 51.223887] ? __lock_is_held+0xb6/0x140 [ 51.227928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.232756] do_invalid_op+0x1b/0x20 [ 51.236439] invalid_op+0x22/0x40 [ 51.239864] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.245455] RSP: 0018:ffff8801beb37580 EFLAGS: 00010293 [ 51.250790] RAX: ffff8801bea001c0 RBX: ffff8801d0f0d000 RCX: ffffffff810df21f [ 51.258031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cf0f1860 [ 51.265293] RBP: ffff8801beb37910 R08: 1ffff10037d66e93 R09: 0000000000000001 [ 51.272542] R10: ffff8801beb37930 R11: 0000000000000000 R12: 0000000000000000 [ 51.279780] R13: 1ffff10037d66f4d R14: ffff8801c0765c80 R15: ffff8801cf0f1640 [ 51.287035] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.292295] ? mark_held_locks+0xaf/0x100 [ 51.296414] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.301493] ? trace_hardirqs_on+0xd/0x10 [ 51.305614] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 51.310436] ? debug_stats_show+0xd0/0xd0 [ 51.314557] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.319641] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.325415] ? debug_object_free+0x2f1/0x5a0 [ 51.329791] ? lockdep_init_map+0x9/0x10 [ 51.333834] ? debug_object_destroy+0x2b0/0x2b0 [ 51.338485] ? __wait_rcu_gp+0x230/0x340 [ 51.342528] ? synchronize_sched.part.64+0xac/0x100 [ 51.347515] ? synchronize_sched_expedited+0xf0/0xf0 [ 51.352588] ? call_rcu_bh+0x20/0x20 [ 51.356287] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.362153] ? put_pid+0x183/0x1f0 [ 51.365675] ? task_active_pid_ns+0xd0/0xd0 [ 51.369972] ? __might_sleep+0x95/0x190 [ 51.373921] kvm_vcpu_ioctl+0x64c/0x1010 [ 51.377951] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 51.382179] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 51.388036] ? __fget+0x333/0x570 [ 51.391460] ? lock_downgrade+0x980/0x980 [ 51.395578] ? mm_fault_error+0x2c0/0x2c0 [ 51.399698] ? lock_release+0xa40/0xa40 [ 51.403645] ? __lock_is_held+0xb6/0x140 [ 51.407697] ? __fget+0x35c/0x570 [ 51.411143] ? iterate_fd+0x3f0/0x3f0 [ 51.414916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.419650] ? retint_kernel+0x10/0x10 [ 51.423515] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 51.428414] ? selinux_file_ioctl+0x444/0x690 [ 51.432880] ? __fget_light+0x297/0x380 [ 51.436833] kvm_vcpu_compat_ioctl+0x364/0x450 [ 51.441400] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 51.445695] ? compat_SyS_futex+0x288/0x380 [ 51.449997] ? security_file_ioctl+0x7d/0xb0 [ 51.454378] ? security_file_ioctl+0x89/0xb0 [ 51.458763] compat_SyS_ioctl+0x151/0x2a30 [ 51.462969] ? do_fast_syscall_32+0x156/0xf9d [ 51.467433] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 51.471730] ? do_ioctl+0x60/0x60 [ 51.475153] do_fast_syscall_32+0x3ee/0xf9d [ 51.479454] ? do_int80_syscall_32+0x9d0/0x9d0 [ 51.484008] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 51.489524] ? syscall_return_slowpath+0x2ad/0x550 [ 51.494430] ? sysret32_from_system_call+0x5/0x3b [ 51.499251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.504071] entry_SYSENTER_compat+0x54/0x63 [ 51.508452] RIP: 0023:0xf7f0ac79 [ 51.511784] RSP: 002b:00000000f7ec012c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 51.519462] RAX: ffffffffffffffda RBX: 00000000000003e6 RCX: 000000000000ae80 [ 51.526699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008110044 [ 51.533939] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 51.541177] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.548416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.556276] Dumping ftrace buffer: [ 51.559854] (ftrace buffer empty) [ 51.563542] Kernel Offset: disabled [ 51.567141] Rebooting in 86400 seconds..