[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.272897] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.435473] random: sshd: uninitialized urandom read (32 bytes read) [ 15.668817] random: sshd: uninitialized urandom read (32 bytes read) [ 16.654978] random: sshd: uninitialized urandom read (32 bytes read) [ 26.645426] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.20' (ECDSA) to the list of known hosts. [ 32.141541] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/22 11:39:56 parsed 1 programs [ 34.005799] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/22 11:39:59 executed programs: 0 [ 35.209174] IPVS: Creating netns size=2536 id=1 [ 35.244080] IPVS: Creating netns size=2536 id=2 [ 35.267425] IPVS: Creating netns size=2536 id=3 [ 35.296525] IPVS: Creating netns size=2536 id=4 [ 35.340296] IPVS: Creating netns size=2536 id=5 [ 35.367321] IPVS: Creating netns size=2536 id=6 [ 35.403629] IPVS: Creating netns size=2536 id=7 [ 35.440529] IPVS: Creating netns size=2536 id=8 [ 35.504897] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.541818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.668431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.679698] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.699467] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.715524] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.794297] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.807799] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.854158] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.862517] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.875463] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.892842] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 35.901636] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.934168] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 35.947045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.965599] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.980324] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.999207] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.007727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.020927] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.029223] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.044085] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.054137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.071521] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.079403] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.090183] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.098073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.106677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.126745] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.140466] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.188449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.201760] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.216278] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.229529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.240357] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.248032] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.257584] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.265952] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.276356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.284141] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.298866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.312986] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.324739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.334736] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.361345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.369800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.380150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.399122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.413651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.425763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.441898] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.454890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.476523] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.489891] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.500681] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.514048] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.522745] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.530531] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.543538] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.551048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.560480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.568043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.575441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.584840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.595711] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.605734] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.615079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.623711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.631344] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.638861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.649000] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.656033] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.664129] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.674502] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.683559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.691163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.698619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.706121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.713738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.731963] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.741168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.752902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.808017] ip (4581) used greatest stack depth: 24120 bytes left [ 37.296896] ip (4857) used greatest stack depth: 23976 bytes left [ 37.964801] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.072029] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.081642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.089668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.112993] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.233099] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.249176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.255895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.278659] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.292196] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.391924] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.401731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.408871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.455963] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.472056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.480545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.529992] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.554991] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.571317] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.582720] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.654542] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.668245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.674918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.689178] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.700372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.707094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.724282] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.736275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.743507] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.765580] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.772374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.780834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.017303] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 49s! [ 92.026099] Showing busy workqueues and worker pools: [ 92.031303] workqueue kblockd: flags=0x18 [ 92.035442] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 [ 92.042238] pending: blk_mq_requeue_work