[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 12.672526] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 13.841316] random: sshd: uninitialized urandom read (32 bytes read) [ 14.231435] random: sshd: uninitialized urandom read (32 bytes read) [ 14.955724] random: sshd: uninitialized urandom read (32 bytes read) [ 15.090822] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. [ 20.677780] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/20 04:12:50 parsed 1 programs 2018/05/20 04:12:50 executed programs: 0 [ 21.162983] IPVS: Creating netns size=2536 id=1 [ 21.196319] IPVS: Creating netns size=2536 id=2 [ 21.232661] IPVS: Creating netns size=2536 id=3 [ 21.267226] IPVS: Creating netns size=2536 id=4 [ 21.301622] IPVS: Creating netns size=2536 id=5 [ 21.343933] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.351601] IPVS: Creating netns size=2536 id=6 [ 21.357239] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.404554] IPVS: Creating netns size=2536 id=7 [ 21.445206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.479335] IPVS: Creating netns size=2536 id=8 [ 21.500737] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.550554] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.557658] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 21.578511] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 21.594076] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.697906] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 21.735748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 21.762518] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.781943] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.792772] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.803855] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 21.827211] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.846655] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 21.860455] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 21.875495] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 21.895005] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 21.907548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 21.925524] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 21.940743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 21.959031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 21.979000] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 22.004922] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.022447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 22.041512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.060743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 22.081057] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.094417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 22.115426] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 22.131943] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 22.152367] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 22.161897] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 22.178228] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.205045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 22.216537] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.240407] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 22.261826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.278300] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.296787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.307345] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.325480] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 22.358620] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 22.376664] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.390294] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.406031] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.422981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.432100] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 22.446694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.459237] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 22.472898] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 22.481345] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 22.494277] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.502642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.510549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.517938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.526405] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.534633] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.550288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.557789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.575224] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.585029] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 22.595650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.604662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.612600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.622520] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.633520] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.644388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.655715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.663507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.677025] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 22.685376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.706898] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 22.721989] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 22.734672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.744363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.758452] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 22.769799] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.778396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.787866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.802941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.810755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.827620] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 22.850647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.850842] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.020344] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.142774] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.170802] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.176949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.187167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.252867] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.300009] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.306154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.318509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.436797] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.444482] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.451910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.554438] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.608503] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.631954] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.656896] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.706105] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.716839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.724482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.752547] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 25.771251] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.777392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.785314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.802436] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.808586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.822158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.831188] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.839657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.846354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.898622] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 25.908246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.915141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/05/20 04:12:56 executed programs: 8 [ 30.558883] ------------[ cut here ]------------ [ 30.563703] WARNING: CPU: 0 PID: 7037 at net/xfrm/xfrm_state.c:2175 xfrm_state_fini+0x2a0/0x340 [ 30.572879] Kernel panic - not syncing: panic_on_warn set ... [ 30.572879] [ 30.580224] CPU: 0 PID: 7037 Comm: kworker/u4:13 Not tainted 4.9.101-gaef17a5 #29 [ 30.587815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.597150] Workqueue: netns cleanup_net [ 30.601298] ffff8801be8e7950 ffffffff81eb1009 ffffffff83c484a0 00000000ffffffff [ 30.609280] 0000000000000000 0000000000000000 000000000000087f ffff8801be8e7a10 [ 30.617256] ffffffff8141f925 0000000041b58ab3 ffffffff843b87e8 ffffffff8141f766 [ 30.625228] Call Trace: [ 30.627788] [] dump_stack+0xc1/0x128 [ 30.633124] [] panic+0x1bf/0x3bc [ 30.638111] [] ? add_taint.cold.6+0x16/0x16 [ 30.644053] [] ? xfrm_state_flush+0x1e0/0x300 [ 30.650182] [] ? trace_hardirqs_on+0xd/0x10 [ 30.656123] [] ?