[....] Starting enhanced syslogd: rsyslogd[ 10.880709] audit: type=1400 audit(1514697678.699:5): avc: denied { syslog } for pid=3039 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.157472] audit: type=1400 audit(1514697684.976:6): avc: denied { map } for pid=3178 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 '10.128.15.241' (ECDSA) to the list of known hosts. [ 26.298568] audit: type=1400 audit(1514697694.117:7): avc: denied { map } for pid=3193 comm="syzkaller029449" path="/root/syzkaller029449985" 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 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 27.070102] audit: type=1400 audit(1514697694.888:8): avc: denied { sys_admin } for pid=3199 comm="syzkaller029449" 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 [ 27.262284] audit: type=1400 audit(1514697695.080:9): avc: denied { sys_chroot } for pid=3367 comm="syzkaller029449" 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 executing program executing program executing program executing program [ 27.302618] 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 [ 27.898104] WARNING: CPU: 0 PID: 3420 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.907504] Kernel panic - not syncing: panic_on_warn set ... [ 27.907504] [ 27.914858] CPU: 0 PID: 3420 Comm: syzkaller029449 Not tainted 4.15.0-rc5+ #153 [ 27.922305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.931650] Call Trace: [ 27.934215] dump_stack+0x194/0x257 [ 27.937816] ? arch_local_irq_restore+0x53/0x53 [ 27.942459] ? vsnprintf+0x1ed/0x1900 [ 27.946235] panic+0x1e4/0x41c [ 27.949397] ? refcount_error_report+0x214/0x214 [ 27.954121] ? show_regs_print_info+0x18/0x18 [ 27.958604] ? __warn+0x1c1/0x200 [ 27.962036] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.967024] __warn+0x1dc/0x200 [ 27.970276] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.975267] report_bug+0x211/0x2d0 [ 27.978873] fixup_bug.part.11+0x37/0x80 [ 27.982906] do_error_trap+0x2d7/0x3e0 [ 27.986760] ? check_noncircular+0x20/0x20 [ 27.990965] ? trace_hardirqs_on+0xd/0x10 [ 27.995085] ? math_error+0x400/0x400 [ 27.998856] ? __lock_is_held+0xb6/0x140 [ 28.002899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.007717] do_invalid_op+0x1b/0x20 [ 28.011402] invalid_op+0x22/0x40 [ 28.014825] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 28.020414] RSP: 0018:ffff8801bf437580 EFLAGS: 00010293 [ 28.025747] RAX: ffff8801bf438480 RBX: ffff8801bf98c000 RCX: ffffffff810df1cf [ 28.033091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c02a1360 [ 28.040850] RBP: ffff8801bf437910 R08: 1ffff10037e86e93 R09: 0000000000000001 [ 28.048088] R10: ffff8801bf437930 R11: 0000000000000000 R12: 0000000000000000 [ 28.055329] R13: 1ffff10037e86f4d R14: ffff8801c5c66200 R15: ffff8801c02a1140 [ 28.062582] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 28.067581] ? mark_held_locks+0xaf/0x100 [ 28.071702] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.076781] ? trace_hardirqs_on+0xd/0x10 [ 28.080912] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 28.085725] ? debug_stats_show+0xd0/0xd0 [ 28.089840] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.095176] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.100175] ? debug_object_free+0x2f1/0x5a0 [ 28.104556] ? lockdep_init_map+0x9/0x10 [ 28.108594] ? debug_object_destroy+0x2b0/0x2b0 [ 28.113245] ? __wait_rcu_gp+0x230/0x340 [ 28.117289] ? synchronize_sched.part.64+0xac/0x100 [ 28.122275] ? synchronize_sched_expedited+0xf0/0xf0 [ 28.127348] ? call_rcu_bh+0x20/0x20 [ 28.131037] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 28.137243] ? put_pid+0x183/0x1f0 [ 28.140755] ? task_active_pid_ns+0xd0/0xd0 [ 28.145049] ? __might_sleep+0x95/0x190 [ 28.148999] kvm_vcpu_ioctl+0x64c/0x1010 [ 28.153034] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 28.157243] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 28.163101] ? __fget+0x333/0x570 [ 28.166525] ? lock_downgrade+0x980/0x980 [ 28.170649] ? lock_release+0xa40/0xa40 [ 28.174597] ? __lock_is_held+0xb6/0x140 [ 28.178644] ? __fget+0x35c/0x570 [ 28.182076] ? iterate_fd+0x3f0/0x3f0 [ 28.185866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.190600] ? retint_kernel+0x10/0x10 [ 28.194466] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 28.199367] ? selinux_file_ioctl+0x444/0x690 [ 28.203837] ? __fget_light+0x297/0x380 [ 28.207787] kvm_vcpu_compat_ioctl+0x364/0x450 [ 28.212344] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 28.216642] ? compat_SyS_futex+0x288/0x380 [ 28.220943] ? security_file_ioctl+0x7d/0xb0 [ 28.225321] ? security_file_ioctl+0x89/0xb0 [ 28.229704] compat_SyS_ioctl+0x151/0x2a30 [ 28.233909] ? do_fast_syscall_32+0x156/0xf9d [ 28.238375] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 28.242928] ? do_ioctl+0x60/0x60 [ 28.246354] do_fast_syscall_32+0x3ee/0xf9d [ 28.250645] ? do_raw_spin_trylock+0x190/0x190 [ 28.255203] ? do_int80_syscall_32+0x9d0/0x9d0 [ 28.259766] ? syscall_return_slowpath+0x2ad/0x550 [ 28.264664] ? prepare_exit_to_usermode+0x340/0x340 [ 28.269654] ? sysret32_from_system_call+0x5/0x3b [ 28.274471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.279637] entry_SYSENTER_compat+0x54/0x63 [ 28.284019] RIP: 0023:0xf7fbfc79 [ 28.287355] RSP: 002b:00000000f7f7012c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 28.295033] RAX: ffffffffffffffda RBX: 000000000000002e RCX: 000000000000ae80 [ 28.302272] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008110044 [ 28.311249] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 28.320226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.327463] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.335573] Dumping ftrace buffer: [ 28.339171] (ftrace buffer empty) [ 28.343732] Kernel Offset: disabled [ 28.347338] Rebooting in 86400 seconds..