[....] Starting enhanced syslogd: rsyslogd[ 11.880865] audit: type=1400 audit(1513641928.778:4): avc: denied { syslog } for pid=3172 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-6,10.128.0.22' (ECDSA) to the list of known hosts. executing program unlink(./0/file0/fb) failed (errno 1) syzkaller login: [ 46.012653] IPVS: Creating netns size=2536 id=1 executing program unlink(./0/file0/fb) failed (errno 1) [ 46.033098] IPVS: Creating netns size=2536 id=2 executing program unlink(./0/file0/fb) failed (errno 1) executing program unlink(./0/file0/fb) failed (errno 1) [ 46.053617] IPVS: Creating netns size=2536 id=3 [ 46.073711] IPVS: Creating netns size=2536 id=4 executing program unlink(./0/file0/fb) failed (errno 1) [ 46.093954] IPVS: Creating netns size=2536 id=5 executing program unlink(./0/file0/fb) failed (errno 1) [ 46.124317] IPVS: Creating netns size=2536 id=6 executing program unlink(./0/file0/fb) failed (errno 1) [ 46.145863] IPVS: Creating netns size=2536 id=7 executing program unlink(./0/file0/fb) failed (errno 1) [ 46.166409] IPVS: Creating netns size=2536 id=8 [ 47.082617] ------------[ cut here ]------------ [ 47.087470] WARNING: CPU: 1 PID: 45 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 47.096167] Kernel panic - not syncing: panic_on_warn set ... [ 47.096167] [ 47.103500] CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted 4.9.70-g9542d2a #109 [ 47.110825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.120151] Workqueue: netns cleanup_net [ 47.124286] ffff8801d9977938 ffffffff81d90a29 ffffffff83a46d00 ffff8801d9977a10 [ 47.132230] ffffffff83f40600 ffffffff833d4a60 0000000000000009 ffff8801d9977a00 [ 47.140180] ffffffff8142c451 0000000041b58ab3 ffffffff84186f20 ffffffff8142c295 [ 47.148122] Call Trace: [ 47.150689] [] dump_stack+0xc1/0x128 [ 47.156017] [] ? xfrm_state_fini+0x2a0/0x340 [ 47.162044] [] panic+0x1bc/0x3a8 [ 47.167041] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 47.175232] [] ? load_image_and_restore+0xf9/0xf9 [ 47.181690] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.188495] [] ? xfrm_state_fini+0x2a0/0x340 [ 47.194516] [] __warn+0x1c4/0x1e0 [ 47.199581] [] warn_slowpath_null+0x2c/0x40 [ 47.205517] [] xfrm_state_fini+0x2a0/0x340 [ 47.211364] [] ? xfrm_policy_fini+0x310/0x310 [ 47.217473] [] xfrm_net_exit+0x2d/0x30 [ 47.222976] [] ops_exit_list.isra.4+0xae/0x150 [ 47.229180] [] cleanup_net+0x31d/0x610 [ 47.234679] [] ? net_drop_ns+0x80/0x80 [ 47.240179] [] ? __lock_is_held+0xa1/0xf0 [ 47.245941] [] process_one_work+0x78f/0x15f0 [ 47.251965] [] ? process_one_work+0x6db/0x15f0 [ 47.258173] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 47.264629] [] worker_thread+0xe0/0x10d0 [ 47.270303] [] kthread+0x26d/0x300 [ 47.275458] [] ? process_one_work+0x15f0/0x15f0 [ 47.281738] [] ? kthread_park+0xa0/0xa0 [ 47.287324] [] ? kthread_park+0xa0/0xa0 [ 47.292910] [] ? kthread_park+0xa0/0xa0 [ 47.298498] [] ret_from_fork+0x2a/0x40 [ 47.304475] Dumping ftrace buffer: [ 47.308010] (ftrace buffer empty) [ 47.311690] Kernel Offset: disabled [ 47.315292] Rebooting in 86400 seconds..