[....] Starting enhanced syslogd: rsyslogd[ 13.299903] audit: type=1400 audit(1522253892.259:4): 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[ 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 '10.128.0.59' (ECDSA) to the list of known hosts. 2018/03/28 16:18:39 parsed 1 programs 2018/03/28 16:18:39 executed programs: 0 syzkaller login: [ 40.460117] audit: type=1400 audit(1522253919.419:5): avc: denied { sys_admin } for pid=3819 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 [ 40.492497] IPVS: Creating netns size=2536 id=1 [ 40.502946] audit: type=1400 audit(1522253919.469:6): avc: denied { net_admin } for pid=3830 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 [ 40.528033] IPVS: Creating netns size=2536 id=2 [ 40.542274] IPVS: Creating netns size=2536 id=3 [ 40.559327] IPVS: Creating netns size=2536 id=4 [ 40.578879] IPVS: Creating netns size=2536 id=5 [ 40.602178] IPVS: Creating netns size=2536 id=6 [ 40.648909] IPVS: Creating netns size=2536 id=7 [ 40.685475] IPVS: Creating netns size=2536 id=8 [ 41.972489] audit: type=1400 audit(1522253920.939:7): avc: denied { sys_chroot } for pid=3830 comm="syz-executor5" 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 [ 42.064286] audit: type=1400 audit(1522253921.029:8): avc: denied { associate } for pid=3830 comm="syz-executor5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 42.165967] audit: type=1400 audit(1522253921.129:9): avc: denied { dac_override } for pid=3830 comm="syz-executor5" 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 [ 45.969400] IPVS: Creating netns size=2536 id=9 [ 46.001583] IPVS: Creating netns size=2536 id=10 [ 46.036726] IPVS: Creating netns size=2536 id=11 [ 46.072020] IPVS: Creating netns size=2536 id=12 [ 46.102093] IPVS: Creating netns size=2536 id=13 [ 46.151152] IPVS: Creating netns size=2536 id=14 [ 46.187349] IPVS: Creating netns size=2536 id=15 [ 46.229312] IPVS: Creating netns size=2536 id=16 [ 46.742500] ip (5589) used greatest stack depth: 23744 bytes left 2018/03/28 16:18:47 executed programs: 24 [ 49.717980] ------------[ cut here ]------------ [ 49.722808] WARNING: CPU: 0 PID: 4085 at net/xfrm/xfrm_state.c:2167 xfrm_state_fini+0x2a0/0x340 [ 49.731794] Kernel panic - not syncing: panic_on_warn set ... [ 49.731794] [ 49.739142] CPU: 0 PID: 4085 Comm: kworker/u4:4 Not tainted 4.9.90-gdd1e37e #66 [ 49.746557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.755893] Workqueue: netns cleanup_net [ 49.760038] ffff8801d4b67938 ffffffff81d94ee9 ffffffff83a482c0 ffff8801d4b67a10 [ 49.768014] ffffffff83f43400 ffffffff833e1c30 0000000000000009 ffff8801d4b67a00 [ 49.775998] ffffffff8142e651 0000000041b58ab3 ffffffff8418b7a0 ffffffff8142e495 [ 49.783977] Call Trace: [ 49.786537] [] dump_stack+0xc1/0x128 [ 49.791875] [] ? xfrm_state_fini+0x2a0/0x340 [ 49.797909] [] panic+0x1bc/0x3a8 [ 49.802897] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 49.811131] [] ? load_image_and_restore+0xf9/0xf9 [ 49.817596] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 49.824403] [] ? __warn+0x1a9/0x1e0 [ 49.829647] [] ? xfrm_state_fini+0x2a0/0x340 [ 49.835671] [] __warn+0x1c4/0x1e0 [ 49.840743] [] warn_slowpath_null+0x2c/0x40 [ 49.846681] [] xfrm_state_fini+0x2a0/0x340 [ 49.852534] [] ? xfrm_policy_fini+0x310/0x310 [ 49.858652] [] xfrm_net_exit+0x2d/0x30 [ 49.864159] [] ops_exit_list.isra.4+0xae/0x150 [ 49.870357] [] cleanup_net+0x31d/0x610 [ 49.875865] [] ? net_drop_ns+0x80/0x80 [ 49.881371] [] ? __lock_is_held+0xa1/0xf0 [ 49.887137] [] ? __lock_is_held+0xa1/0xf0 [ 49.892905] [] process_one_work+0x7e0/0x1610 [ 49.898931] [] ? process_one_work+0x72c/0x1610 [ 49.905131] [] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 49.911594] [] worker_thread+0xe0/0x10d0 [ 49.917274] [] ? __schedule+0x683/0x1ba0 [ 49.922970] [] kthread+0x26d/0x300 [ 49.928136] [] ? process_one_work+0x1610/0x1610 [ 49.934423] [] ? kthread_park+0xa0/0xa0 [ 49.940015] [] ? kthread_park+0xa0/0xa0 [ 49.945606] [] ? kthread_park+0xa0/0xa0 [ 49.951200] [] ret_from_fork+0x5c/0x70 [ 49.957336] Dumping ftrace buffer: [ 49.960903] (ftrace buffer empty) [ 49.964585] Kernel Offset: disabled [ 49.968193] Rebooting in 86400 seconds..