[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.797906] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.127556] random: sshd: uninitialized urandom read (32 bytes read) [ 17.365515] random: sshd: uninitialized urandom read (32 bytes read) [ 18.313640] random: sshd: uninitialized urandom read (32 bytes read) [ 108.428154] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.15.204' (ECDSA) to the list of known hosts. [ 113.851570] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 113.963874] IPVS: Creating netns size=2536 id=1 executing program [ 113.996918] IPVS: Creating netns size=2536 id=2 [ 114.030813] IPVS: Creating netns size=2536 id=3 executing program executing program [ 114.051033] IPVS: Creating netns size=2536 id=4 executing program [ 114.078977] IPVS: Creating netns size=2536 id=5 executing program [ 114.102044] IPVS: Creating netns size=2536 id=6 executing program [ 114.134770] IPVS: Creating netns size=2536 id=7 executing program [ 114.170275] IPVS: Creating netns size=2536 id=8 INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes [ 116.132247] ------------[ cut here ]------------ [ 116.137115] WARNING: CPU: 0 PID: 133 at net/xfrm/xfrm_state.c:2175 xfrm_state_fini+0x2a0/0x340 [ 116.145839] Kernel panic - not syncing: panic_on_warn set ... [ 116.145839] [ 116.153273] CPU: 0 PID: 133 Comm: kworker/u4:2 Not tainted 4.9.113-g9905591 #14 [ 116.160700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.170556] Workqueue: netns cleanup_net [ 116.174717] ffff8801d903f950 ffffffff81eb32a9 ffffffff83c48980 00000000ffffffff [ 116.182729] 0000000000000000 0000000000000000 000000000000087f ffff8801d903fa10 [ 116.190741] ffffffff81421a55 0000000041b58ab3 ffffffff843bb788 ffffffff81421896 [ 116.199169] Call Trace: [ 116.201731] [] dump_stack+0xc1/0x128 [ 116.207088] [] panic+0x1bf/0x3bc [ 116.212074] [] ? add_taint.cold.6+0x16/0x16 [ 116.218030] [] ? xfrm_state_flush+0x1e0/0x300 [ 116.224158] [] ? trace_hardirqs_on+0xd/0x10 [ 116.230103] [] ? __warn.cold.9+0xa6/0x17f [ 116.235887] [] ? xfrm_state_fini+0x2a0/0x340 [ 116.241924] [] __warn.cold.9+0xc1/0x17f [ 116.247522] [] warn_slowpath_null+0x2c/0x40 [ 116.253465] [] xfrm_state_fini+0x2a0/0x340 [ 116.259323] [] ? xfrm_policy_fini+0x310/0x310 [ 116.265447] [] xfrm_net_exit+0x2d/0x30 [ 116.270958] [] ops_exit_list.isra.6+0xb0/0x160 [ 116.277174] [] cleanup_net+0x321/0x630 [ 116.282697] [] ? net_drop_ns+0x80/0x80 [ 116.288207] [] ? __lock_is_held+0xa2/0xf0 [ 116.293991] [] process_one_work+0x7e1/0x1500 [ 116.300035] [] ? process_one_work+0x728/0x1500 [ 116.306251] [] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 116.312716] [] worker_thread+0xd6/0x10a0 [ 116.318408] [] kthread+0x26d/0x300 [ 116.323578] [] ? process_one_work+0x1500/0x1500 [ 116.329867] [] ? kthread_park+0xa0/0xa0 [ 116.335462] [] ? kthread_park+0xa0/0xa0 [ 116.341058] [] ? kthread_park+0xa0/0xa0 [ 116.346656] [] ret_from_fork+0x5c/0x70 [ 116.352762] Dumping ftrace buffer: [ 116.356335] (ftrace buffer empty) [ 116.360017] Kernel Offset: disabled [ 116.363624] Rebooting in 86400 seconds..