[....] Starting enhanced syslogd: rsyslogd[ 10.612743] audit: type=1400 audit(1514387421.033:5): avc: denied { syslog } for pid=2993 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: [ 16.727959] audit: type=1400 audit(1514387427.148:6): avc: denied { map } for pid=3135 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 '10.128.15.210' (ECDSA) to the list of known hosts. [ 22.923968] audit: type=1400 audit(1514387433.344:7): avc: denied { map } for pid=3149 comm="syzkaller005989" path="/root/syzkaller005989558" 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 [ 22.949973] audit: type=1400 audit(1514387433.351:8): avc: denied { sys_admin } for pid=3157 comm="syzkaller005989" 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 [ 23.032408] audit: type=1400 audit(1514387433.453:9): avc: denied { sys_chroot } for pid=3159 comm="syzkaller005989" 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 [ 23.062891] 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 [ 28.905116] WARNING: CPU: 0 PID: 4288 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 28.914498] Kernel panic - not syncing: panic_on_warn set ... [ 28.914498] [ 28.921851] CPU: 0 PID: 4288 Comm: syzkaller005989 Not tainted 4.15.0-rc5+ #238 [ 28.929293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.938639] Call Trace: [ 28.941206] dump_stack+0x194/0x257 [ 28.944808] ? arch_local_irq_restore+0x53/0x53 [ 28.949451] ? vsnprintf+0x1ed/0x1900 [ 28.953235] panic+0x1e4/0x41c [ 28.956410] ? refcount_error_report+0x214/0x214 [ 28.961142] ? show_regs_print_info+0x18/0x18 [ 28.965614] ? __warn+0x1c1/0x200 [ 28.969043] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 28.974027] __warn+0x1dc/0x200 [ 28.977277] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 28.982266] report_bug+0x211/0x2d0 [ 28.985869] fixup_bug.part.11+0x37/0x80 [ 28.989905] do_error_trap+0x2d7/0x3e0 [ 28.993780] ? trace_hardirqs_on+0xd/0x10 [ 28.997901] ? math_error+0x400/0x400 [ 29.001673] ? __lock_is_held+0xb6/0x140 [ 29.005713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.010533] do_invalid_op+0x1b/0x20 [ 29.014217] invalid_op+0x22/0x40 [ 29.017642] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.023242] RSP: 0018:ffff8801cd3bf6b0 EFLAGS: 00010293 [ 29.028576] RAX: ffff8801c81b0140 RBX: ffff8801cb995000 RCX: ffffffff810deeef [ 29.035813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c9e38520 [ 29.043051] RBP: ffff8801cd3bfa40 R08: 1ffff10039a77eb8 R09: 0000000000000001 [ 29.050289] R10: ffff8801cd3bfa58 R11: 0000000000000000 R12: 0000000000000000 [ 29.057531] R13: 1ffff10039a77f72 R14: ffff8801d89e4100 R15: ffff8801c9e38300 [ 29.064786] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.069784] ? mark_held_locks+0xaf/0x100 [ 29.073913] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.078989] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.083987] ? trace_hardirqs_on+0xd/0x10 [ 29.088109] ? free_object+0x150/0x230 [ 29.091974] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 29.096783] ? debug_stats_show+0xd0/0xd0 [ 29.100901] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.105977] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.110969] ? debug_object_free+0x2f1/0x5a0 [ 29.115347] ? lockdep_init_map+0x9/0x10 [ 29.119381] ? debug_object_destroy+0x2b0/0x2b0 [ 29.124037] ? __wait_rcu_gp+0x230/0x340 [ 29.128080] ? synchronize_sched.part.64+0xac/0x100 [ 29.133067] ? synchronize_sched_expedited+0xf0/0xf0 [ 29.138145] ? call_rcu_bh+0x20/0x20 [ 29.141832] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.147691] ? put_pid+0x183/0x1f0 [ 29.151201] ? task_active_pid_ns+0xd0/0xd0 [ 29.155495] ? __might_sleep+0x95/0x190 [ 29.159449] kvm_vcpu_ioctl+0x64c/0x1010 [ 29.163478] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 29.167687] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 29.173552] ? find_held_lock+0x35/0x1d0 [ 29.177593] ? __fget+0x333/0x570 [ 29.181021] ? lock_downgrade+0x980/0x980 [ 29.185141] ? lock_release+0xa40/0xa40 [ 29.189088] ? __lock_is_held+0xb6/0x140 [ 29.193133] ? __fget+0x35c/0x570 [ 29.196567] ? iterate_fd+0x3f0/0x3f0 [ 29.200338] ? lock_release+0xa40/0xa40 [ 29.204289] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.210148] ? __getnstimeofday64+0x143/0x470 [ 29.214617] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 29.220474] do_vfs_ioctl+0x1b1/0x1520 [ 29.224341] ? ioctl_preallocate+0x2b0/0x2b0 [ 29.229511] ? selinux_capable+0x40/0x40 [ 29.233549] ? SyS_futex+0x269/0x390 [ 29.237246] ? security_file_ioctl+0x89/0xb0 [ 29.241630] SyS_ioctl+0x8f/0xc0 [ 29.244980] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.249705] RIP: 0033:0x44b0c9 [ 29.252864] RSP: 002b:00007fe9bab81d88 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 29.260540] RAX: ffffffffffffffda RBX: 00000000006f0038 RCX: 000000000044b0c9 [ 29.267780] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 29.275020] RBP: 00000000006f003c R08: 0000000000000000 R09: 0000000000000000 [ 29.282259] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 29.289499] R13: 00000000007ffd1f R14: 00007fe9bab829c0 R15: 000000000000000d [ 29.297486] Dumping ftrace buffer: [ 29.301126] (ftrace buffer empty) [ 29.304818] Kernel Offset: disabled [ 29.308418] Rebooting in 86400 seconds..