Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.909317] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. [ 20.270556] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [ 20.548930] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.519213] random: nonblocking pool is initialized Warning: Permanently added '10.128.15.207' (ECDSA) to the list of known hosts. 2018/02/27 06:04:52 parsed 1 programs 2018/02/27 06:04:52 executed programs: 0 [ 37.911397] IPVS: Creating netns size=2552 id=1 [ 37.955908] IPVS: Creating netns size=2552 id=2 [ 38.001393] IPVS: Creating netns size=2552 id=3 [ 38.042916] IPVS: Creating netns size=2552 id=4 [ 38.077632] IPVS: Creating netns size=2552 id=5 [ 38.121636] IPVS: Creating netns size=2552 id=6 [ 38.176961] IPVS: Creating netns size=2552 id=7 [ 38.263158] IPVS: Creating netns size=2552 id=8 2018/02/27 06:04:57 executed programs: 8 [ 45.186133] ------------[ cut here ]------------ [ 45.190906] WARNING: CPU: 0 PID: 4436 at net/xfrm/xfrm_state.c:2131 xfrm_state_fini+0x297/0x330() [ 45.200018] Kernel panic - not syncing: panic_on_warn set ... [ 45.200018] [ 45.207359] CPU: 0 PID: 4436 Comm: kworker/u4:7 Not tainted 4.4.118-g239a415 #26 [ 45.214859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.224190] Workqueue: netns cleanup_net [ 45.228339] 0000000000000000 baa576cfa9c38948 ffff8801d464f948 ffffffff81d0402d [ 45.236299] ffffffff83843b40 ffff8801d464fa20 ffffffff83d09620 0000000000000009 [ 45.244270] 0000000000000853 ffff8801d464fa10 ffffffff8141aaea 0000000041b58ab3 [ 45.252230] Call Trace: [ 45.254790] [] dump_stack+0xc1/0x124 [ 45.260124] [] panic+0x1aa/0x388 [ 45.265500] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 45.272404] [] ? pm_qos_get_value.part.4+0xb/0xb [ 45.278781] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.285594] [] ? xfrm_state_flush+0x28e/0x310 [ 45.291709] [] ? warn_slowpath_common+0x10a/0x140 [ 45.298166] [] warn_slowpath_common+0x125/0x140 [ 45.304451] [] ? xfrm_state_fini+0x297/0x330 [ 45.310475] [] warn_slowpath_null+0x29/0x30 [ 45.316415] [] xfrm_state_fini+0x297/0x330 [ 45.322266] [] ? xfrm_policy_fini+0x300/0x300 [ 45.328377] [] xfrm_net_exit+0x2d/0x30 [ 45.333881] [] ops_exit_list.isra.4+0xae/0x150 [ 45.340083] [] cleanup_net+0x31d/0x5f0 [ 45.345598] [] ? net_drop_ns+0x80/0x80 [ 45.351112] [] ? __lock_is_held+0xa1/0xf0 [ 45.356879] [] process_one_work+0x7d7/0x16e0 [ 45.362902] [] ? process_one_work+0x6f7/0x16e0 [ 45.369099] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 45.375558] [] ? worker_thread+0x288/0xfc0 [ 45.381414] [] worker_thread+0xd9/0xfc0 [ 45.387006] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 45.393898] [] kthread+0x268/0x300 [ 45.399053] [] ? process_one_work+0x16e0/0x16e0 [ 45.405342] [] ? kthread_create_on_node+0x400/0x400 [ 45.411984] [] ? kthread_create_on_node+0x400/0x400 [ 45.418617] [] ret_from_fork+0x55/0x80 [ 45.424122] [] ? kthread_create_on_node+0x400/0x400 [ 45.431260] Dumping ftrace buffer: [ 45.434818] (ftrace buffer empty) [ 45.438499] Kernel Offset: disabled [ 45.442111] Rebooting in 86400 seconds..