[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.106089] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.092147] random: sshd: uninitialized urandom read (32 bytes read) [ 19.298008] random: sshd: uninitialized urandom read (32 bytes read) [ 20.056846] random: sshd: uninitialized urandom read (32 bytes read) [ 20.193438] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. [ 25.601988] random: sshd: uninitialized urandom read (32 bytes read) 2018/04/30 03:36:49 parsed 1 programs 2018/04/30 03:36:49 executed programs: 0 [ 26.030487] IPVS: Creating netns size=2536 id=1 [ 26.051122] IPVS: Creating netns size=2536 id=2 [ 26.087732] IPVS: Creating netns size=2536 id=3 [ 26.125664] IPVS: Creating netns size=2536 id=4 [ 26.161803] IPVS: Creating netns size=2536 id=5 [ 26.197131] IPVS: Creating netns size=2536 id=6 [ 26.233855] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.242170] IPVS: Creating netns size=2536 id=7 [ 26.263664] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.274739] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.282548] IPVS: Creating netns size=2536 id=8 [ 26.308900] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.413835] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.430398] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.444221] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.451281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.459592] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.467700] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.537972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.574094] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.598210] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.618763] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.626635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 26.636969] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.644552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.660348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.672644] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 26.697447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.706209] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.715642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.723467] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.730629] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.738511] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.746155] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.753523] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.764454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.780769] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.795820] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.898007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.907987] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.917163] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.925095] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 26.933091] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.940708] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 26.950289] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.957534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.968868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.976595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.986532] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.994868] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.007388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.017074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.026287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.050118] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.125678] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.148114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.161196] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.173779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.184779] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.192075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.201923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.213779] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.221722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.229059] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.237184] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.247363] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.258193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.267735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.275288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.284599] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.292119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.301514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.312035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.319697] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.344945] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.353985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.361470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.380101] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.392233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.401371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.483055] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.518097] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.555126] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.564035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.572434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.584869] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.593107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.606558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.391472] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.408988] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.525029] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.536560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.543310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.553877] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.562949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.574077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.682833] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.720914] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.834589] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.840756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.849680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.865292] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.872142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.881744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.019346] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.042396] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.070821] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.167898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.174064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.182054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.191252] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.205440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.212170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.256628] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.268354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.277120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.410911] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.533743] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.542983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.550767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/30 03:36:55 executed programs: 8 [ 35.005191] ------------[ cut here ]------------ [ 35.009985] WARNING: CPU: 1 PID: 22 at net/xfrm/xfrm_state.c:2174 xfrm_state_fini+0x2a0/0x340 [ 35.018753] Kernel panic - not syncing: panic_on_warn set ... [ 35.018753] [ 35.026113] CPU: 1 PID: 22 Comm: kworker/u4:1 Not tainted 4.9.96-g71fce1e #10 [ 35.033368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.042704] Workqueue: netns cleanup_net [ 35.046855] ffff8801d9bd7950 ffffffff81eb0b69 ffffffff83a484a0 00000000ffffffff [ 35.054830] 0000000000000000 0000000000000001 000000000000087e ffff8801d9bd7a10 [ 35.062804] ffffffff8141f975 0000000041b58ab3 ffffffff841b8030 ffffffff8141f7b6 [ 35.070778] Call Trace: [ 35.073337] [] dump_stack+0xc1/0x128 [ 35.078674] [] panic+0x1bf/0x3bc [ 35.083661] [] ? add_taint.cold.6+0x16/0x16 [ 35.089607] [] ? xfrm_state_flush+0x1e0/0x300 [ 35.095736] [] ? trace_hardirqs_on+0xd/0x10 [ 35.101678] [] ? __warn.cold.9+0xa6/0x17f [ 35.107448] [] ? xfrm_state_fini+0x2a0/0x340 [ 35.113477] [] __warn.cold.9+0xc1/0x17f [ 35.119076] [] warn_slowpath_null+0x2c/0x40 [ 35.125020] [] xfrm_state_fini+0x2a0/0x340 [ 35.130876] [] ? xfrm_policy_fini+0x310/0x310 [ 35.136995] [] xfrm_net_exit+0x2d/0x30 [ 35.142503] [] ops_exit_list.isra.6+0xb0/0x160 [ 35.148714] [] cleanup_net+0x321/0x630 [ 35.154221] [] ? net_drop_ns+0x80/0x80 [ 35.159732] [] ? __lock_is_held+0xa2/0xf0 [ 35.165504] [] process_one_work+0x7e1/0x1500 [ 35.171532] [] ? process_one_work+0x728/0x1500 [ 35.177734] [] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 35.184200] [] worker_thread+0xd6/0x10a0 [ 35.189883] [] kthread+0x26d/0x300 [ 35.195043] [] ? process_one_work+0x1500/0x1500 [ 35.201333] [] ? kthread_park+0xa0/0xa0 [ 35.206932] [] ? kthread_park+0xa0/0xa0 [ 35.212538] [] ? kthread_park+0xa0/0xa0 [ 35.218165] [] ret_from_fork+0x5c/0x70 [ 35.224179] Dumping ftrace buffer: [ 35.224225] (ftrace buffer empty) [ 35.224227] Kernel Offset: disabled [ 35.235057] Rebooting in 86400 seconds..