[....] Starting enhanced syslogd: rsyslogd[ 13.897962] audit: type=1400 audit(1522254467.675:4): avc: denied { syslog } for pid=3648 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 periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] 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 '10.128.10.29' (ECDSA) to the list of known hosts. 2018/03/28 16:28:27 parsed 1 programs 2018/03/28 16:28:27 executed programs: 0 syzkaller login: [ 53.703869] IPVS: Creating netns size=2536 id=1 [ 53.735247] IPVS: Creating netns size=2536 id=2 [ 53.757299] IPVS: Creating netns size=2536 id=3 [ 53.791133] IPVS: Creating netns size=2536 id=4 [ 53.820312] IPVS: Creating netns size=2536 id=5 [ 53.854031] IPVS: Creating netns size=2536 id=6 [ 53.876189] IPVS: Creating netns size=2536 id=7 [ 53.904844] IPVS: Creating netns size=2536 id=8 [ 56.457998] audit: type=1400 audit(1522254510.235:5): avc: denied { associate } for pid=3830 comm="syz-executor1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 57.424021] ------------[ cut here ]------------ [ 57.428883] WARNING: CPU: 1 PID: 4491 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 57.437704] Kernel panic - not syncing: panic_on_warn set ... [ 57.437704] [ 57.445069] CPU: 1 PID: 4491 Comm: kworker/u4:6 Not tainted 4.9.90-gdd1e37e #6 [ 57.452404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.462003] Workqueue: netns cleanup_net [ 57.466162] ffff8801cdf2f938 ffffffff81d94ee9 ffffffff83a482c0 ffff8801cdf2fa10 [ 57.474131] ffffffff83f43400 ffffffff833e1c30 0000000000000009 ffff8801cdf2fa00 [ 57.482095] ffffffff8142e651 0000000041b58ab3 ffffffff8418b7a0 ffffffff8142e495 [ 57.490165] Call Trace: [ 57.492724] [] dump_stack+0xc1/0x128 [ 57.498059] [] ? xfrm_state_fini+0x2a0/0x340 [ 57.504088] [] panic+0x1bc/0x3a8 [ 57.509082] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 57.517286] [] ? load_image_and_restore+0xf9/0xf9 [ 57.523753] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 57.530564] [] ? __warn+0x1a9/0x1e0 [ 57.535811] [] ? xfrm_state_fini+0x2a0/0x340 [ 57.541838] [] __warn+0x1c4/0x1e0 [ 57.546910] [] warn_slowpath_null+0x2c/0x40 [ 57.552852] [] xfrm_state_fini+0x2a0/0x340 [ 57.558709] [] ? xfrm_policy_fini+0x310/0x310 [ 57.564826] [] xfrm_net_exit+0x2d/0x30 [ 57.570334] [] ops_exit_list.isra.4+0xae/0x150 [ 57.576556] [] cleanup_net+0x31d/0x610 [ 57.582064] [] ? net_drop_ns+0x80/0x80 [ 57.587572] [] ? __lock_is_held+0xa1/0xf0 [ 57.593343] [] process_one_work+0x7e0/0x1610 [ 57.599370] [] ? process_one_work+0x72c/0x1610 [ 57.605573] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 57.612034] [] worker_thread+0xe0/0x10d0 [ 57.617726] [] ? __schedule+0x683/0x1ba0 [ 57.623409] [] kthread+0x26d/0x300 [ 57.628578] [] ? process_one_work+0x1610/0x1610 [ 57.634868] [] ? kthread_park+0xa0/0xa0 [ 57.640473] [] ? kthread_park+0xa0/0xa0 [ 57.646066] [] ? kthread_park+0xa0/0xa0 [ 57.651748] [] ret_from_fork+0x5c/0x70 [ 57.657840] Dumping ftrace buffer: [ 57.661407] (ftrace buffer empty) [ 57.665085] Kernel Offset: disabled [ 57.668788] Rebooting in 86400 seconds..