[....] Starting enhanced syslogd: rsyslogd[ 10.400182] audit: type=1400 audit(1513640259.365:4): avc: denied { syslog } for pid=3187 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[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-386-4,10.128.0.63' (ECDSA) to the list of known hosts. 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) syzkaller login: [ 19.468925] IPVS: Creating netns size=2536 id=1 [ 19.486871] IPVS: Creating netns size=2536 id=2 [ 19.504101] IPVS: Creating netns size=2536 id=3 executing program unlink(./0/file0/fb) failed (errno 1) [ 19.525417] IPVS: Creating netns size=2536 id=4 executing program unlink(./0/file0/fb) failed (errno 1) [ 19.546527] IPVS: Creating netns size=2536 id=5 executing program unlink(./0/file0/fb) failed (errno 1) [ 19.567949] IPVS: Creating netns size=2536 id=6 executing program unlink(./0/file0/fb) failed (errno 1) [ 19.589420] IPVS: Creating netns size=2536 id=7 executing program unlink(./0/file0/fb) failed (errno 1) [ 19.610482] IPVS: Creating netns size=2536 id=8 [ 20.461965] ------------[ cut here ]------------ [ 20.467138] WARNING: CPU: 0 PID: 1343 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 20.476056] Kernel panic - not syncing: panic_on_warn set ... [ 20.476056] [ 20.483404] CPU: 0 PID: 1343 Comm: kworker/u4:3 Not tainted 4.9.70-g9542d2a #5 [ 20.490727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.500054] Workqueue: netns cleanup_net [ 20.504192] ffff8801d1587938 ffffffff81d90a29 ffffffff83a46d00 ffff8801d1587a10 [ 20.512145] ffffffff83f40600 ffffffff833d4a60 0000000000000009 ffff8801d1587a00 [ 20.520095] ffffffff8142c451 0000000041b58ab3 ffffffff84186f20 ffffffff8142c295 [ 20.528045] Call Trace: [ 20.530599] [] dump_stack+0xc1/0x128 [ 20.535930] [] ? xfrm_state_fini+0x2a0/0x340 [ 20.541952] [] panic+0x1bc/0x3a8 [ 20.546932] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 20.555127] [] ? load_image_and_restore+0xf9/0xf9 [ 20.561585] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.568391] [] ? xfrm_state_fini+0x2a0/0x340 [ 20.574415] [] __warn+0x1c4/0x1e0 [ 20.579481] [] warn_slowpath_null+0x2c/0x40 [ 20.585418] [] xfrm_state_fini+0x2a0/0x340 [ 20.591267] [] ? xfrm_policy_fini+0x310/0x310 [ 20.597376] [] xfrm_net_exit+0x2d/0x30 [ 20.602879] [] ops_exit_list.isra.4+0xae/0x150 [ 20.609074] [] cleanup_net+0x31d/0x610 [ 20.614575] [] ? net_drop_ns+0x80/0x80 [ 20.620078] [] ? __lock_is_held+0xa1/0xf0 [ 20.625843] [] process_one_work+0x78f/0x15f0 [ 20.631865] [] ? process_one_work+0x6db/0x15f0 [ 20.638063] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 20.644521] [] worker_thread+0xe0/0x10d0 [ 20.650196] [] ? __schedule+0x683/0x1ba0 [ 20.655874] [] kthread+0x26d/0x300 [ 20.661028] [] ? process_one_work+0x15f0/0x15f0 [ 20.667313] [] ? kthread_park+0xa0/0xa0 [ 20.672900] [] ? kthread_park+0xa0/0xa0 [ 20.678488] [] ? kthread_park+0xa0/0xa0 [ 20.684079] [] ret_from_fork+0x2a/0x40 [ 20.690118] Dumping ftrace buffer: [ 20.693694] (ftrace buffer empty) [ 20.697372] Kernel Offset: disabled [ 20.700977] Rebooting in 86400 seconds..