[....] Starting enhanced syslogd: rsyslogd[ 11.270382] audit: type=1400 audit(1513641970.589:5): avc: denied { syslog } for pid=2995 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: [ 17.746635] audit: type=1400 audit(1513641977.065:6): avc: denied { map } for pid=3136 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-386-2,10.128.15.217' (ECDSA) to the list of known hosts. executing program [ 25.829135] audit: type=1400 audit(1513641985.147:7): avc: denied { map } for pid=3150 comm="syzkaller921978" path="/root/syzkaller921978032" 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 unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) [ 26.860477] WARNING: CPU: 0 PID: 29 at net/xfrm/xfrm_state.c:2322 xfrm_state_fini+0x46a/0x620 [ 26.869226] Kernel panic - not syncing: panic_on_warn set ... [ 26.869226] [ 26.876576] CPU: 0 PID: 29 Comm: kworker/u4:2 Not tainted 4.15.0-rc4+ #137 [ 26.883555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.892911] Workqueue: netns cleanup_net [ 26.896949] Call Trace: [ 26.899522] dump_stack+0x194/0x257 [ 26.903148] ? arch_local_irq_restore+0x53/0x53 [ 26.907800] ? vsnprintf+0x1ed/0x1900 [ 26.911579] panic+0x1e4/0x41c [ 26.914760] ? refcount_error_report+0x214/0x214 [ 26.919484] ? show_regs_print_info+0x18/0x18 [ 26.923959] ? __warn+0x1c1/0x200 [ 26.927401] ? xfrm_state_fini+0x46a/0x620 [ 26.931614] __warn+0x1dc/0x200 [ 26.934871] ? xfrm_state_fini+0x46a/0x620 [ 26.939093] report_bug+0x211/0x2d0 [ 26.942709] fixup_bug.part.11+0x37/0x80 [ 26.946768] do_error_trap+0x2d7/0x3e0 [ 26.950655] ? trace_hardirqs_on+0xd/0x10 [ 26.954771] ? flush_work+0x59e/0x860 [ 26.958545] ? math_error+0x400/0x400 [ 26.962316] ? workqueue_congested+0x350/0x350 [ 26.966875] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.971867] ? xfrm_state_flush+0x557/0x630 [ 26.976157] ? trace_hardirqs_on+0xd/0x10 [ 26.980277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.985115] do_invalid_op+0x1b/0x20 [ 26.988809] invalid_op+0x18/0x20 [ 26.992241] RIP: 0010:xfrm_state_fini+0x46a/0x620 [ 26.997051] RSP: 0018:ffff8801d9d67110 EFLAGS: 00010293 [ 27.002384] RAX: ffff8801d9d50000 RBX: ffff8801ca33c040 RCX: ffffffff8463043a [ 27.009628] RDX: 0000000000000000 RSI: 1ffff1003b3aa11c RDI: ffffed003b3ace18 [ 27.016867] RBP: ffff8801d9d67268 R08: 1ffff1003b3acdb8 R09: 0000000000000000 [ 27.024126] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b3ace24 [ 27.031368] R13: ffff8801d9d67240 R14: 1ffff1003b3ace28 R15: ffff8801ca33d480 [ 27.038643] ? xfrm_state_fini+0x46a/0x620 [ 27.042875] ? xfrm_state_init+0x4a0/0x4a0 [ 27.047105] ? mark_held_locks+0xaf/0x100 [ 27.051238] ? kfree+0xe4/0x250 [ 27.054515] ? xfrm_sysctl_fini+0x63/0x80 [ 27.058650] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.063659] ? trace_hardirqs_on+0xd/0x10 [ 27.067784] ? xfrm_policy_fini+0x550/0x550 [ 27.072079] xfrm_net_exit+0x25/0x30 [ 27.075764] ops_exit_list.isra.6+0xae/0x150 [ 27.080143] cleanup_net+0x5c7/0xb50 [ 27.083829] ? unregister_pernet_device+0x80/0x80 [ 27.088638] ? check_noncircular+0x20/0x20 [ 27.092844] ? find_held_lock+0x35/0x1d0 [ 27.096877] ? check_noncircular+0x20/0x20 [ 27.101093] ? lock_acquire+0x1d5/0x580 [ 27.105039] ? process_one_work+0xb35/0x1bc0 [ 27.109424] ? __lock_is_held+0xb6/0x140 [ 27.113474] process_one_work+0xbf3/0x1bc0 [ 27.117677] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.122843] ? pwq_dec_nr_in_flight+0x450/0x450 [ 27.127484] ? copy_overflow+0x20/0x20 [ 27.131360] ? __schedule+0x8f3/0x2060 [ 27.135215] ? update_curr+0x2e3/0xa60 [ 27.139081] ? check_noncircular+0x20/0x20 [ 27.143283] ? __lock_is_held+0xb6/0x140 [ 27.147336] ? lock_acquire+0x1d5/0x580 [ 27.151277] ? lock_acquire+0x1d5/0x580 [ 27.155216] ? worker_thread+0x4a3/0x1990 [ 27.159335] ? lock_downgrade+0x980/0x980 [ 27.163452] ? lock_release+0xa40/0xa40 [ 27.167413] ? worker_pool_assign_id+0x1b0/0x1b0 [ 27.172139] ? do_raw_spin_trylock+0x190/0x190 [ 27.176700] worker_thread+0x223/0x1990 [ 27.180659] ? process_one_work+0x1bc0/0x1bc0 [ 27.185126] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.189598] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.194582] ? trace_hardirqs_on+0xd/0x10 [ 27.198696] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.203160] ? finish_task_switch+0x1d3/0x740 [ 27.207620] ? finish_task_switch+0x1aa/0x740 [ 27.212088] ? copy_overflow+0x20/0x20 [ 27.215957] ? __schedule+0x8f3/0x2060 [ 27.219820] ? find_held_lock+0x35/0x1d0 [ 27.223852] ? find_held_lock+0x35/0x1d0 [ 27.227885] ? find_held_lock+0x35/0x1d0 [ 27.231922] ? complete+0x62/0x80 [ 27.235351] ? __schedule+0x2060/0x2060 [ 27.239289] ? do_wait_intr_irq+0x3e0/0x3e0 [ 27.243591] ? __lockdep_init_map+0xe4/0x650 [ 27.247977] ? do_raw_spin_trylock+0x190/0x190 [ 27.252530] ? lockdep_init_map+0x9/0x10 [ 27.256561] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.261649] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.266634] ? trace_hardirqs_on+0xd/0x10 [ 27.270751] ? __kthread_parkme+0x175/0x240 [ 27.275046] kthread+0x33c/0x400 [ 27.278392] ? process_one_work+0x1bc0/0x1bc0 [ 27.282854] ? kthread_stop+0x7a0/0x7a0 [ 27.286798] ret_from_fork+0x24/0x30 [ 27.290780] Dumping ftrace buffer: [ 27.294371] (ftrace buffer empty) [ 27.298051] Kernel Offset: disabled [ 27.301650] Rebooting in 86400 seconds..