[....] Starting enhanced syslogd: rsyslogd[ 12.800037] audit: type=1400 audit(1519870928.040:4): avc: denied { syslog } for pid=3620 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 '10.128.0.9' (ECDSA) to the list of known hosts. 2018/03/01 02:22:19 parsed 1 programs 2018/03/01 02:22:19 executed programs: 0 syzkaller login: [ 24.382374] audit: type=1400 audit(1519870939.620:5): avc: denied { sys_admin } for pid=3781 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.412065] IPVS: Creating netns size=2536 id=1 [ 24.422086] audit: type=1400 audit(1519870939.660:6): avc: denied { net_admin } for pid=3784 comm="syz-executor0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.938473] audit: type=1400 audit(1519870940.180:7): avc: denied { sys_chroot } for pid=3784 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.984379] audit: type=1400 audit(1519870940.220:8): avc: denied { dac_override } for pid=3784 comm="syz-executor0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 28.180977] ------------[ cut here ]------------ [ 28.185784] WARNING: CPU: 1 PID: 32 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 28.194595] Kernel panic - not syncing: panic_on_warn set ... [ 28.194595] [ 28.201951] CPU: 1 PID: 32 Comm: kworker/u4:2 Not tainted 4.9.85-g6e463bb #54 [ 28.209200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.218542] Workqueue: netns cleanup_net [ 28.222709] ffff8801d95f7938 ffffffff81d955d9 ffffffff83a480c0 ffff8801d95f7a10 [ 28.230715] ffffffff83f43300 ffffffff833df440 0000000000000009 ffff8801d95f7a00 [ 28.238715] ffffffff8142f571 0000000041b58ab3 ffffffff8418b388 ffffffff8142f3b5 [ 28.246720] Call Trace: [ 28.249291] [] dump_stack+0xc1/0x128 [ 28.254635] [] ? xfrm_state_fini+0x2a0/0x340 [ 28.260673] [] panic+0x1bc/0x3a8 [ 28.265664] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 28.273875] [] ? load_image_and_restore+0xf9/0xf9 [ 28.280350] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.287168] [] ? __warn+0x1a9/0x1e0 [ 28.292422] [] ? xfrm_state_fini+0x2a0/0x340 [ 28.298459] [] __warn+0x1c4/0x1e0 [ 28.303536] [] warn_slowpath_null+0x2c/0x40 [ 28.309486] [] xfrm_state_fini+0x2a0/0x340 [ 28.315360] [] ? xfrm_policy_fini+0x310/0x310 [ 28.321482] [] xfrm_net_exit+0x2d/0x30 [ 28.327021] [] ops_exit_list.isra.4+0xae/0x150 [ 28.333230] [] cleanup_net+0x31d/0x610 [ 28.338743] [] ? net_drop_ns+0x80/0x80 [ 28.344258] [] ? __lock_is_held+0xa1/0xf0 [ 28.350036] [] process_one_work+0x7e0/0x1610 [ 28.356070] [] ? process_one_work+0x72c/0x1610 [ 28.362279] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 28.368747] [] worker_thread+0xe0/0x10d0 [ 28.374435] [] ? __schedule+0x683/0x1ba0 [ 28.380123] [] kthread+0x26d/0x300 [ 28.385287] [] ? process_one_work+0x1610/0x1610 [ 28.391580] [] ? kthread_park+0xa0/0xa0 [ 28.397182] [] ? kthread_park+0xa0/0xa0 [ 28.402781] [] ? kthread_park+0xa0/0xa0 [ 28.408385] [] ret_from_fork+0x5c/0x70 [ 28.414504] Dumping ftrace buffer: [ 28.418097] (ftrace buffer empty) [ 28.421788] Kernel Offset: disabled [ 28.425404] Rebooting in 86400 seconds..