[....] Starting enhanced syslogd: rsyslogd[ 13.587911] audit: type=1400 audit(1520368261.423:4): avc: denied { syslog } for pid=3655 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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 Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. 2018/03/06 20:31:15 parsed 1 programs 2018/03/06 20:31:15 executed programs: 0 syzkaller login: [ 27.298321] audit: type=1400 audit(1520368275.133:5): avc: denied { sys_admin } for pid=3817 comm="syz-executor4" 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 [ 27.337579] IPVS: Creating netns size=2536 id=1 [ 27.350976] audit: type=1400 audit(1520368275.183:6): avc: denied { net_admin } for pid=3821 comm="syz-executor5" 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 [ 27.386089] IPVS: Creating netns size=2536 id=2 [ 27.415652] IPVS: Creating netns size=2536 id=3 [ 27.443633] IPVS: Creating netns size=2536 id=4 [ 27.475089] IPVS: Creating netns size=2536 id=5 [ 27.510420] IPVS: Creating netns size=2536 id=6 [ 27.567132] IPVS: Creating netns size=2536 id=7 [ 27.603203] IPVS: Creating netns size=2536 id=8 [ 29.437883] audit: type=1400 audit(1520368277.273:7): avc: denied { sys_chroot } for pid=3830 comm="syz-executor1" 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 [ 29.591617] audit: type=1400 audit(1520368277.423:8): avc: denied { dac_override } for pid=5040 comm="syz-executor1" 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 [ 33.102588] IPVS: Creating netns size=2536 id=9 [ 33.134702] IPVS: Creating netns size=2536 id=10 [ 33.173017] IPVS: Creating netns size=2536 id=11 [ 33.197746] IPVS: Creating netns size=2536 id=12 [ 33.232100] IPVS: Creating netns size=2536 id=13 [ 33.257391] IPVS: Creating netns size=2536 id=14 [ 33.300443] IPVS: Creating netns size=2536 id=15 [ 33.344631] IPVS: Creating netns size=2536 id=16 2018/03/06 20:31:22 executed programs: 24 [ 42.931369] ------------[ cut here ]------------ [ 42.936144] WARNING: CPU: 1 PID: 36 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 42.944867] Kernel panic - not syncing: panic_on_warn set ... [ 42.944867] [ 42.952207] CPU: 1 PID: 36 Comm: kworker/u4:2 Not tainted 4.9.86-gb324a70 #58 [ 42.959446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.968772] Workqueue: netns cleanup_net [ 42.972915] ffff8801d9637938 ffffffff81d956f9 ffffffff83a480c0 ffff8801d9637a10 [ 42.980877] ffffffff83f43500 ffffffff833df440 0000000000000009 ffff8801d9637a00 [ 42.988836] ffffffff8142f531 0000000041b58ab3 ffffffff8418b430 ffffffff8142f375 [ 42.996803] Call Trace: [ 42.999358] [] dump_stack+0xc1/0x128 [ 43.004686] [] ? xfrm_state_fini+0x2a0/0x340 [ 43.010718] [] panic+0x1bc/0x3a8 [ 43.015705] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 43.023899] [] ? load_image_and_restore+0xf9/0xf9 [ 43.030359] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.037172] [] ? __warn+0x1a9/0x1e0 [ 43.042418] [] ? xfrm_state_fini+0x2a0/0x340 [ 43.048444] [] __warn+0x1c4/0x1e0 [ 43.053516] [] warn_slowpath_null+0x2c/0x40 [ 43.059455] [] xfrm_state_fini+0x2a0/0x340 [ 43.065304] [] ? xfrm_policy_fini+0x310/0x310 [ 43.071418] [] xfrm_net_exit+0x2d/0x30 [ 43.076922] [] ops_exit_list.isra.4+0xae/0x150 [ 43.083118] [] cleanup_net+0x31d/0x610 [ 43.088622] [] ? net_drop_ns+0x80/0x80 [ 43.094130] [] ? __lock_is_held+0xa1/0xf0 [ 43.099900] [] ? __lock_is_held+0xa1/0xf0 [ 43.105667] [] process_one_work+0x7e0/0x1610 [ 43.111700] [] ? process_one_work+0x72c/0x1610 [ 43.117910] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 43.124379] [] worker_thread+0xe0/0x10d0 [ 43.130068] [] ? __schedule+0x683/0x1ba0 [ 43.135756] [] kthread+0x26d/0x300 [ 43.140917] [] ? process_one_work+0x1610/0x1610 [ 43.147204] [] ? kthread_park+0xa0/0xa0 [ 43.152796] [] ? kthread_park+0xa0/0xa0 [ 43.158384] [] ? kthread_park+0xa0/0xa0 [ 43.163977] [] ret_from_fork+0x5c/0x70 [ 43.170044] Dumping ftrace buffer: [ 43.173586] (ftrace buffer empty) [ 43.177263] Kernel Offset: disabled [ 43.180867] Rebooting in 86400 seconds..