[....] Starting enhanced syslogd: rsyslogd[ 10.033462] audit: type=1400 audit(1514287032.882:5): avc: denied { syslog } for pid=2986 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: [ 12.226058] audit: type=1400 audit(1514287035.074:6): avc: denied { map } for pid=3125 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-7,10.128.0.91' (ECDSA) to the list of known hosts. [ 18.396306] audit: type=1400 audit(1514287041.245:7): avc: denied { map } for pid=3139 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 2017/12/26 11:17:21 parsed 1 programs 2017/12/26 11:17:21 executed programs: 0 [ 18.514466] audit: type=1400 audit(1514287041.363:8): avc: denied { map } for pid=3139 comm="syz-execprog" path="/root/syzkaller-shm008912541" 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 [ 18.598188] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/26 11:17:26 executed programs: 155 [ 25.170106] WARNING: CPU: 1 PID: 3695 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.179470] Kernel panic - not syncing: panic_on_warn set ... [ 25.179470] [ 25.186808] CPU: 1 PID: 3695 Comm: syz-executor0 Not tainted 4.15.0-rc5+ #237 [ 25.194051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.203386] Call Trace: [ 25.206305] dump_stack+0x194/0x257 [ 25.209906] ? arch_local_irq_restore+0x53/0x53 [ 25.214548] ? vsnprintf+0x1ed/0x1900 [ 25.218320] panic+0x1e4/0x41c [ 25.221483] ? refcount_error_report+0x214/0x214 [ 25.226207] ? show_regs_print_info+0x18/0x18 [ 25.230677] ? __warn+0x1c1/0x200 [ 25.234106] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.239090] __warn+0x1dc/0x200 [ 25.242337] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.247328] report_bug+0x211/0x2d0 [ 25.250931] fixup_bug.part.11+0x37/0x80 [ 25.254961] do_error_trap+0x2d7/0x3e0 [ 25.258823] ? trace_hardirqs_on+0xd/0x10 [ 25.262939] ? math_error+0x400/0x400 [ 25.266724] ? __lock_is_held+0xb6/0x140 [ 25.270761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.275583] do_invalid_op+0x1b/0x20 [ 25.279264] invalid_op+0x22/0x40 [ 25.282687] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.288448] RSP: 0018:ffff8801ce87f6b0 EFLAGS: 00010293 [ 25.293779] RAX: ffff8801cf3bc600 RBX: ffff8801d06c6000 RCX: ffffffff810deeef [ 25.301014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cee818e0 [ 25.308252] RBP: ffff8801ce87fa40 R08: 1ffff10039d0feb8 R09: 0000000000000001 [ 25.315492] R10: ffff8801ce87fa58 R11: 0000000000000000 R12: 0000000000000000 [ 25.322730] R13: 1ffff10039d0ff72 R14: ffff8801cf333c80 R15: ffff8801cee816c0 [ 25.329986] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.334983] ? mark_held_locks+0xaf/0x100 [ 25.339101] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.344171] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.349155] ? trace_hardirqs_on+0xd/0x10 [ 25.353283] ? free_object+0x150/0x230 [ 25.357141] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 25.361949] ? debug_stats_show+0xd0/0xd0 [ 25.366067] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.371140] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.376128] ? debug_object_free+0x2f1/0x5a0 [ 25.380501] ? lockdep_init_map+0x9/0x10 [ 25.384531] ? debug_object_destroy+0x2b0/0x2b0 [ 25.389176] ? __wait_rcu_gp+0x230/0x340 [ 25.393230] ? synchronize_sched.part.64+0xac/0x100 [ 25.398222] ? synchronize_sched_expedited+0xf0/0xf0 [ 25.403291] ? call_rcu_bh+0x20/0x20 [ 25.406974] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.412838] ? put_pid+0x183/0x1f0 [ 25.416351] ? task_active_pid_ns+0xd0/0xd0 [ 25.420642] ? __might_sleep+0x95/0x190 [ 25.424590] kvm_vcpu_ioctl+0x64c/0x1010 [ 25.428616] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 25.432816] ? lock_downgrade+0x980/0x980 [ 25.436932] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 25.442816] ? find_held_lock+0x35/0x1d0 [ 25.447806] ? __fget+0x333/0x570 [ 25.451227] ? lock_downgrade+0x980/0x980 [ 25.455350] ? lock_release+0xa40/0xa40 [ 25.459294] ? __lock_is_held+0xb6/0x140 [ 25.463334] ? __fget+0x35c/0x570 [ 25.466764] ? iterate_fd+0x3f0/0x3f0 [ 25.470531] ? trace_hardirqs_on+0xd/0x10 [ 25.474647] ? _raw_spin_unlock_irq+0x27/0x70 [ 25.479110] ? task_work_run+0x1f4/0x270 [ 25.483143] ? task_work_cancel+0x210/0x210 [ 25.487433] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 25.493332] do_vfs_ioctl+0x1b1/0x1520 [ 25.497192] ? ioctl_preallocate+0x2b0/0x2b0 [ 25.502264] ? selinux_capable+0x40/0x40 [ 25.508123] ? SyS_futex+0x269/0x390 [ 25.512340] ? security_file_ioctl+0x89/0xb0 [ 25.516720] SyS_ioctl+0x8f/0xc0 [ 25.520061] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.524782] RIP: 0033:0x452ac9 [ 25.527939] RSP: 002b:00007f2b899c5c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 25.535612] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9 [ 25.542857] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 25.550092] RBP: 000000000000005c R08: 0000000000000000 R09: 0000000000000000 [ 25.557327] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ed940 [ 25.564564] R13: 00000000ffffffff R14: 00007f2b899c66d4 R15: 0000000000000002 [ 25.572897] Dumping ftrace buffer: [ 25.576498] (ftrace buffer empty) [ 25.580175] Kernel Offset: disabled [ 25.584291] Rebooting in 86400 seconds..