[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.604344] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.558895] random: sshd: uninitialized urandom read (32 bytes read) [ 24.892626] random: sshd: uninitialized urandom read (32 bytes read) [ 25.706847] random: sshd: uninitialized urandom read (32 bytes read) [ 742.781453] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.41' (ECDSA) to the list of known hosts. [ 748.316465] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/15 23:14:56 parsed 1 programs [ 750.087901] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/15 23:14:58 executed programs: 0 [ 751.281494] IPVS: ftp: loaded support on port[0] = 21 [ 751.283201] IPVS: ftp: loaded support on port[0] = 21 [ 751.296176] IPVS: ftp: loaded support on port[0] = 21 [ 751.301152] IPVS: ftp: loaded support on port[0] = 21 [ 751.303386] IPVS: ftp: loaded support on port[0] = 21 [ 751.306931] IPVS: ftp: loaded support on port[0] = 21 [ 751.312847] IPVS: ftp: loaded support on port[0] = 21 [ 751.325998] IPVS: ftp: loaded support on port[0] = 21 [ 752.471723] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.478244] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.487391] device bridge_slave_0 entered promiscuous mode [ 752.501327] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.507867] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.515858] device bridge_slave_0 entered promiscuous mode [ 752.525682] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.532278] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.540501] device bridge_slave_0 entered promiscuous mode [ 752.556134] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.562637] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.570493] device bridge_slave_0 entered promiscuous mode [ 752.582219] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.588757] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.601536] device bridge_slave_1 entered promiscuous mode [ 752.609175] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.615816] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.628631] device bridge_slave_0 entered promiscuous mode [ 752.637210] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.643667] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.651921] device bridge_slave_1 entered promiscuous mode [ 752.666306] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.673092] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.680829] device bridge_slave_1 entered promiscuous mode [ 752.689277] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.695720] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.702930] device bridge_slave_1 entered promiscuous mode [ 752.710200] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.716618] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.724353] device bridge_slave_0 entered promiscuous mode [ 752.732781] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.739323] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.748721] device bridge_slave_0 entered promiscuous mode [ 752.756808] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.765511] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.774181] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.783138] bridge0: port 1(bridge_slave_0) entered blocking state [ 752.789658] bridge0: port 1(bridge_slave_0) entered disabled state [ 752.799367] device bridge_slave_0 entered promiscuous mode [ 752.810926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 752.818790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.826529] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.833129] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.843250] device bridge_slave_1 entered promiscuous mode [ 752.856260] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.862763] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.876702] device bridge_slave_1 entered promiscuous mode [ 752.884926] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.891406] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.899576] device bridge_slave_1 entered promiscuous mode [ 752.908084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 752.917006] bridge0: port 2(bridge_slave_1) entered blocking state [ 752.923505] bridge0: port 2(bridge_slave_1) entered disabled state [ 752.935580] device bridge_slave_1 entered promiscuous mode [ 752.943564] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 752.958663] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 752.967275] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.975658] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 752.996368] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 753.004533] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 753.035502] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 753.071711] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 753.079609] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 753.092230] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 753.142551] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.175517] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.218739] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.230822] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.261239] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.293145] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.332629] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.343417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 753.355674] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.365827] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.375950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 753.391897] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.401339] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 753.413529] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.422142] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 753.430593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 753.449304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 753.474568] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 753.483736] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 753.493249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 753.508201] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.518541] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.554411] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 753.564653] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.575611] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 753.605773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 753.746207] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 753.759875] team0: Port device team_slave_0 added [ 753.816565] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 753.835820] team0: Port device team_slave_0 added [ 753.878216] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 753.892900] team0: Port device team_slave_1 added [ 753.900344] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 753.913379] team0: Port device team_slave_1 added [ 753.921938] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 753.934634] team0: Port device team_slave_0 added [ 753.960154] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 753.970720] team0: Port device team_slave_0 added [ 753.980127] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 753.992679] team0: Port device team_slave_0 added [ 753.998820] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 754.006762] team0: Port device team_slave_0 added [ 754.034838] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.051454] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.063879] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.072525] team0: Port device team_slave_1 added [ 754.078192] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 754.086445] team0: Port device team_slave_0 added [ 754.094547] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.105406] team0: Port device team_slave_1 added [ 754.113522] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 754.122593] team0: Port device team_slave_0 added [ 754.128709] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.136467] team0: Port device team_slave_1 added [ 754.149235] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.156469] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.164066] team0: Port device team_slave_1 added [ 754.177007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.187136] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.197958] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.207344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.218941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.230794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.241460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.249098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.257089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.264692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.272624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.281293] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.289579] team0: Port device team_slave_1 added [ 754.296430] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.303353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.312748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.325608] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.338277] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 754.345757] team0: Port device team_slave_1 added [ 754.353448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.366945] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.374415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.381588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.393299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.403612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.413176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.422752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.431714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.439975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.447890] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.458135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.467756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 754.477324] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.487187] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.496628] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.505221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.517758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.532342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 754.542147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 754.549995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.558406] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.566164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.574117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 754.582217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.590244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.598482] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.605907] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.613587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.621666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.629609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.640696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.656780] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.666764] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.676528] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.684346] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.691821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.700822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.710350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.723900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.731652] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.739682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 754.747452] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.755399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.763702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 754.770601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 754.778929] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 754.791868] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.800610] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.809740] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.818837] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.827200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.837061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 754.859678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.867712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.875713] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.883525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 754.891502] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.899539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.909709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 754.917607] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.934179] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 754.944683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 754.959997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 754.975276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.983723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 754.991772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 754.999683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 755.017725] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 755.027911] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 755.039849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 755.059179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 755.074719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 755.088942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 755.666888] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.673554] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.680781] bridge0: port 1(bridge_slave_0) entered blocking state [ 755.687211] bridge0: port 1(bridge_slave_0) entered forwarding state [ 755.707852] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 755.717933] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.724683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.734643] bridge0: port 1(bridge_slave_0) entered blocking state [ 755.741315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 755.752962] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 755.778494] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.785104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.791999] bridge0: port 1(bridge_slave_0) entered blocking state [ 755.798518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 755.814075] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 755.823616] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.830005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.836644] bridge0: port 1(bridge_slave_0) entered blocking state [ 755.843066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 755.851751] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 755.945598] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.952070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.958754] bridge0: port 1(bridge_slave_0) entered blocking state [ 755.965181] bridge0: port 1(bridge_slave_0) entered forwarding state [ 755.973099] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 755.983677] bridge0: port 2(bridge_slave_1) entered blocking state [ 755.990106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 755.996776] bridge0: port 1(bridge_slave_0) entered blocking state [ 756.003148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 756.014528] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 756.031564] bridge0: port 2(bridge_slave_1) entered blocking state [ 756.038089] bridge0: port 2(bridge_slave_1) entered forwarding state [ 756.044849] bridge0: port 1(bridge_slave_0) entered blocking state [ 756.051355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 756.062727] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 756.079896] bridge0: port 2(bridge_slave_1) entered blocking state [ 756.086350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 756.093093] bridge0: port 1(bridge_slave_0) entered blocking state [ 756.099519] bridge0: port 1(bridge_slave_0) entered forwarding state [ 756.107639] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 756.144163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.160262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.184811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.192528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.200349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.207998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.215774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 756.223693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 759.070185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.098851] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.130308] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.235209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.247396] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.260325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.347192] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.366304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.448904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 759.464745] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.489687] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.537805] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.546211] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.558625] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.676628] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.693550] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.699978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.709692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 759.768775] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 759.821674] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.828397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.844715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 759.867915] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.876654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.884127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 759.897341] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.903875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.911669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 759.931301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.940553] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 759.947508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.976681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 759.991849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 759.999582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 760.104430] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.126474] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 760.133158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 760.145812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 760.182943] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.197828] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 760.216548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 760.232710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 760.258920] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.269779] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.280677] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.300250] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.461074] 8021q: adding VLAN 0 to HW filter on device team0 [ 760.487895] 8021q: adding VLAN 0 to HW filter on device team0 2018/06/15 23:15:10 executed programs: 8 2018/06/15 23:15:15 executed programs: 125 2018/06/15 23:15:20 executed programs: 251 2018/06/15 23:15:25 executed programs: 373 2018/06/15 23:15:30 executed programs: 496 2018/06/15 23:15:35 executed programs: 618 2018/06/15 23:15:40 executed programs: 741 2018/06/15 23:15:45 executed programs: 864 2018/06/15 23:15:50 executed programs: 983 2018/06/15 23:15:55 executed programs: 1108 2018/06/15 23:16:00 executed programs: 1230 2018/06/15 23:16:05 executed programs: 1352 2018/06/15 23:16:10 executed programs: 1478 2018/06/15 23:16:15 executed programs: 1600 2018/06/15 23:16:20 executed programs: 1720 2018/06/15 23:16:25 executed programs: 1846 2018/06/15 23:16:30 executed programs: 1973 2018/06/15 23:16:35 executed programs: 2096 2018/06/15 23:16:40 executed programs: 2222 2018/06/15 23:16:46 executed programs: 2352 2018/06/15 23:16:51 executed programs: 2481 2018/06/15 23:16:56 executed programs: 2613 2018/06/15 23:17:01 executed programs: 2751 2018/06/15 23:17:06 executed programs: 2889 2018/06/15 23:17:11 executed programs: 3038 [ 883.576909] random: crng init done 2018/06/15 23:17:16 executed programs: 3187 2018/06/15 23:17:21 executed programs: 3349 2018/06/15 23:17:26 executed programs: 3507 2018/06/15 23:17:31 executed programs: 3666 2018/06/15 23:17:36 executed programs: 3825 [ 949.005449] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 39s! [ 949.013755] Showing busy workqueues and worker pools: [ 949.019052] workqueue events: flags=0x0 [ 949.023219] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=8/256 [ 949.029732] pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, check_corruption, vmstat_shepherd, cache_reap [ 949.046221] workqueue events_unbound: flags=0x2 2018/06/15 23:18:16 executed programs: 3857 [ 949.051123] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 [ 949.059361] pending: fsnotify_mark_destroy_workfn, fsnotify_connector_destroy_workfn [ 949.067593] [ 949.067598] ====================================================== [ 949.067602] WARNING: possible circular locking dependency detected [ 949.067604] 4.17.0+ #104 Not tainted [ 949.067609] ------------------------------------------------------ [ 949.067613] jbd2/sda1-8/2299 is trying to acquire lock: [ 949.067615] 000000000c542d59 (console_owner){-.-.}, at: console_unlock+0x54e/0x10b0 [ 949.067627] [ 949.067630] but task is already holding lock: [ 949.067633] 000000008478bac9 (&pool->lock/1){-.-.}, at: show_workqueue_state.cold.48+0xb16/0x15ec [ 949.067646] [ 949.067649] which lock already depends on the new lock. [ 949.067651] [ 949.067653] [ 949.067657] the existing dependency chain (in reverse order) is: [ 949.067659] [ 949.067660] -> #3 (&pool->lock/1){-.-.}: [ 949.067673] _raw_spin_lock+0x2a/0x40 [ 949.067675] __queue_work+0x352/0x1410 [ 949.067678] queue_work_on+0x19a/0x1e0 [ 949.067681] tty_schedule_flip+0x14c/0x1d0 [ 949.067684] tty_flip_buffer_push+0x15/0x20 [ 949.067687] pty_write+0x19d/0x1f0 [ 949.067690] n_tty_write+0xc5b/0x11a0 [ 949.067693] tty_write+0x45f/0xae0 [ 949.067696] __vfs_write+0x117/0x9f0 [ 949.067699] vfs_write+0x1f8/0x560 [ 949.067701] ksys_write+0x101/0x260 [ 949.067704] __x64_sys_write+0x73/0xb0 [ 949.067707] do_syscall_64+0x1b9/0x820 [ 949.067711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 949.067713] [ 949.067714] -> #2 (&(&port->lock)->rlock){-.-.}: [ 949.067727] _raw_spin_lock_irqsave+0x96/0xc0 [ 949.067730] tty_port_tty_get+0x20/0x80 [ 949.067734] tty_port_default_wakeup+0x15/0x40 [ 949.067737] tty_port_tty_wakeup+0x5d/0x70 [ 949.067740] uart_write_wakeup+0x44/0x60 [ 949.067743] serial8250_tx_chars+0x4be/0xb60 [ 949.067746] serial8250_handle_irq.part.25+0x1ee/0x280 [ 949.067750] serial8250_default_handle_irq+0xc8/0x150 [ 949.067753] serial8250_interrupt+0xfa/0x1d0 [ 949.067756] __handle_irq_event_percpu+0x1c8/0xaf0 [ 949.067759] handle_irq_event_percpu+0xa0/0x1d0 [ 949.067762] handle_irq_event+0xa7/0x135 [ 949.067765] handle_edge_irq+0x20f/0x870 [ 949.067768] handle_irq+0x18c/0x2e7 [ 949.067770] do_IRQ+0x78/0x190 [ 949.067773] ret_from_intr+0x0/0x1e [ 949.067776] _raw_spin_unlock_irqrestore+0xa1/0xc0 [ 949.067779] uart_write+0x3e7/0x640 [ 949.067782] n_tty_write+0x6c1/0x11a0 [ 949.067785] tty_write+0x45f/0xae0 [ 949.067788] redirected_tty_write+0xaf/0xc0 [ 949.067791] __vfs_write+0x117/0x9f0 [ 949.067794] vfs_write+0x1f8/0x560 [ 949.067797] ksys_write+0x101/0x260 [ 949.067800] __x64_sys_write+0x73/0xb0 [ 949.067803] do_syscall_64+0x1b9/0x820 [ 949.067807] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 949.067809] [ 949.067810] -> #1 (&port_lock_key){-.-.}: [ 949.067823] _raw_spin_lock_irqsave+0x96/0xc0 [ 949.067827] serial8250_console_write+0x8d5/0xb00 [ 949.067831] univ8250_console_write+0x5f/0x70 [ 949.067834] console_unlock+0xab1/0x10b0 [ 949.067838] vprintk_emit+0x6c6/0xdf0 [ 949.067841] vprintk_default+0x28/0x30 [ 949.067845] vprintk_func+0x7a/0xe7 [ 949.067847] printk+0xa7/0xcf [ 949.067850] register_console+0x7e7/0xc00 [ 949.067853] univ8250_console_init+0x3f/0x4b [ 949.067856] console_init+0x6e1/0xa54 [ 949.067860] start_kernel+0x610/0x949 [ 949.067863] x86_64_start_reservations+0x29/0x2b [ 949.067867] x86_64_start_kernel+0x76/0x79 [ 949.067870] secondary_startup_64+0xa5/0xb0 [ 949.067872] [ 949.067874] -> #0 (console_owner){-.-.}: [ 949.067886] lock_acquire+0x1e4/0x540 [ 949.067890] console_unlock+0x5bb/0x10b0 [ 949.067893] vprintk_emit+0x6c6/0xdf0 [ 949.067896] vprintk_default+0x28/0x30 [ 949.067900] vprintk_func+0x7a/0xe7 [ 949.067903] printk+0xa7/0xcf [ 949.067907] show_workqueue_state.cold.48+0xcb8/0x15ec [ 949.067911] wq_watchdog_timer_fn+0x709/0x830 [ 949.067914] call_timer_fn+0x242/0x970 [ 949.067923] __run_timers+0x7a6/0xc70 [ 949.067927] run_timer_softirq+0x60/0x70 [ 949.067930] __do_softirq+0x2e8/0xb17 [ 949.067933] irq_exit+0x1d1/0x200 [ 949.067937] smp_apic_timer_interrupt+0x186/0x730 [ 949.067941] apic_timer_interrupt+0xf/0x20 [ 949.067945] update_stack_state+0xc2/0x690 [ 949.067948] unwind_next_frame.part.7+0x1ae/0x9e0 [ 949.067951] unwind_next_frame+0x3e/0x50 [ 949.067955] __save_stack_trace+0x7d/0xf0 [ 949.067958] save_stack_trace+0x1a/0x20 [ 949.067961] save_stack+0x43/0xd0 [ 949.067964] kasan_kmalloc+0xc4/0xe0 [ 949.067968] kasan_slab_alloc+0x12/0x20 [ 949.067971] __kmalloc+0x137/0x760 [ 949.067975] ext4_find_extent+0x6df/0x9a0 [ 949.067979] ext4_ext_map_blocks+0x293/0x62f0 [ 949.067983] ext4_map_blocks+0xe31/0x1b60 [ 949.067986] _ext4_get_block+0x229/0x6f0 [ 949.067989] ext4_get_block+0x39/0x50 [ 949.067991] generic_block_bmap+0x16e/0x250 [ 949.067994] ext4_bmap+0x1d3/0x440 [ 949.067997] bmap+0x93/0xc0 [ 949.067999] jbd2_journal_bmap+0x57/0xf0 [ 949.068003] jbd2_journal_next_log_block+0x102/0x170 [ 949.068007] jbd2_journal_commit_transaction+0x29cc/0x8c54 [ 949.068010] kjournald2+0x274/0xb50 [ 949.068013] kthread+0x345/0x410 [ 949.068016] ret_from_fork+0x3a/0x50 [ 949.068018] [ 949.068021] other info that might help us debug this: [ 949.068023] [ 949.068026] Chain exists of: [ 949.068028] console_owner --> &(&port->lock)->rlock --> &pool->lock/1 [ 949.068046] [ 949.068050] Possible unsafe locking scenario: [ 949.068051] [ 949.068055] CPU0 CPU1 [ 949.068058] ---- ---- [ 949.068060] lock(&pool->lock/1); [ 949.068070] lock(&(&port->lock)->rlock); [ 949.068079] lock(&pool->lock/1); [ 949.068088] lock(console_owner); [ 949.068095] [ 949.068098] *** DEADLOCK *** [ 949.068100] [ 949.068103] 5 locks held by jbd2/sda1-8/2299: [ 949.068105] #0: 0000000070987ffb (&ei->i_data_sem){++++}, at: ext4_map_blocks+0x480/0x1b60 [ 949.068119] #1: 000000004fd51672 ((&wq_watchdog_timer)){+.-.}, at: call_timer_fn+0x1cd/0x970 [ 949.068133] #2: 00000000b9e265d0 (rcu_read_lock_sched){....}, at: show_workqueue_state+0x0/0x1d0 [ 949.068148] #3: 000000008478bac9 (&pool->lock/1){-.-.}, at: show_workqueue_state.cold.48+0xb16/0x15ec [ 949.068165] #4: 00000000f9e218dc (console_lock){+.+.}, at: vprintk_emit+0x6ad/0xdf0 [ 949.068180] [ 949.068183] stack backtrace: [ 949.068187] CPU: 0 PID: 2299 Comm: jbd2/sda1-8 Not tainted 4.17.0+ #104 [ 949.068193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 949.068195] Call Trace: [ 949.068197] [ 949.068199] dump_stack+0x1c9/0x2b4 [ 949.068203] ? dump_stack_print_info.cold.2+0x52/0x52 [ 949.068205] ? vprintk_func+0xd0/0xe7 [ 949.068210] print_circular_bug.isra.36.cold.56+0x1bd/0x27d [ 949.068213] ? save_trace+0xe0/0x290 [ 949.068217] __lock_acquire+0x3449/0x5020 [ 949.068221] ? debug_check_no_locks_freed+0x310/0x310 [ 949.068224] ? put_dec+0x3b/0xf0 [ 949.068228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 949.068232] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 949.068235] ? format_decode+0x1b1/0xaf0 [ 949.068239] ? graph_lock+0x170/0x170 [ 949.068242] ? graph_lock+0x170/0x170 [ 949.068246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 949.068249] ? find_held_lock+0x36/0x1c0 [ 949.068252] lock_acquire+0x1e4/0x540 [ 949.068256] ? console_unlock+0x54e/0x10b0 [ 949.068260] ? lock_release+0xa30/0xa30 [ 949.068264] ? kasan_check_read+0x11/0x20 [ 949.068267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 949.068271] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 949.068275] ? kasan_check_write+0x14/0x20 [ 949.068278] ? do_raw_spin_lock+0xc1/0x200 [ 949.068281] console_unlock+0x5bb/0x10b0 [ 949.068285] ? console_unlock+0x54e/0x10b0 [ 949.068289] ? kmsg_dump_get_buffer+0xae0/0xae0 [ 949.068292] ? kasan_check_write+0x14/0x20 [ 949.068296] ? do_raw_spin_lock+0xc1/0x200 [ 949.068299] ? trace_hardirqs_off+0xd/0x10 [ 949.068303] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 949.068307] ? vprintk_emit+0x6ad/0xdf0 [ 949.068311] ? __down_trylock_console_sem+0x155/0x200 [ 949.068314] vprintk_emit+0x6c6/0xdf0 [ 949.068317] ? wake_up_klogd+0x110/0x110 [ 949.068321] ? smp_call_function_single_interrupt+0x660/0x660 [ 949.068325] ? mark_held_locks+0xc9/0x160 [ 949.068328] vprintk_default+0x28/0x30 [ 949.068332] vprintk_func+0x7a/0xe7 [ 949.068335] printk+0xa7/0xcf [ 949.068338] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 949.068342] ? kasan_check_write+0x14/0x20 [ 949.068346] ? pr_cont_pool_info+0x82/0x13f [ 949.068350] show_workqueue_state.cold.48+0xcb8/0x15ec [ 949.068354] ? print_worker_info+0x540/0x540 [ 949.068357] ? idr_preload+0x40/0x40 [ 949.068360] ? __down_trylock_console_sem+0x155/0x200 [ 949.068363] ? vprintk_emit+0x3f2/0xdf0 [ 949.068366] ? graph_lock+0x170/0x170 [ 949.068369] ? wake_up_klogd+0x110/0x110 [ 949.068371] ? print_usage_bug+0xc0/0xc0 [ 949.068374] ? find_held_lock+0x36/0x1c0 [ 949.068378] ? lock_downgrade+0x8f0/0x8f0 [ 949.068381] ? idr_find+0x50/0x50 [ 949.068384] ? rcu_is_watching+0x8c/0x150 [ 949.068387] ? __lock_is_held+0xb5/0x140 [ 949.068391] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 949.068395] wq_watchdog_timer_fn+0x709/0x830 [ 949.068398] ? show_workqueue_state+0x1d0/0x1d0 [ 949.068402] ? find_held_lock+0x36/0x1c0 [ 949.068405] ? graph_lock+0x170/0x170 [ 949.068409] ? lock_acquire+0x1e4/0x540 [ 949.068412] ? call_timer_fn+0x1cd/0x970 [ 949.068415] ? lock_downgrade+0x8f0/0x8f0 [ 949.068418] ? __lock_is_held+0xb5/0x140 [ 949.068422] call_timer_fn+0x242/0x970 [ 949.068425] ? show_workqueue_state+0x1d0/0x1d0 [ 949.068429] ? process_timeout+0x40/0x40 [ 949.068432] ? lock_downgrade+0x8f0/0x8f0 [ 949.068436] ? trace_hardirqs_off+0xd/0x10 [ 949.068440] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 949.068443] ? mark_held_locks+0xc9/0x160 [ 949.068447] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 949.068451] ? _raw_spin_unlock_irq+0x27/0x70 [ 949.068455] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 949.068458] ? show_workqueue_state+0x1d0/0x1d0 [ 949.068461] __run_timers+0x7a6/0xc70 [ 949.068465] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 949.068469] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 949.068472] ? graph_lock+0x170/0x170 [ 949.068475] ? enqueue_hrtimer+0x18e/0x540 [ 949.068479] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 949.068483] ? find_held_lock+0x36/0x1c0 [ 949.068486] ? graph_lock+0x170/0x170 [ 949.068489] ? lock_downgrade+0x8f0/0x8f0 [ 949.068493] ? __lock_is_held+0xb5/0x140 [ 949.068496] run_timer_softirq+0x60/0x70 [ 949.068499] __do_softirq+0x2e8/0xb17 [ 949.068503] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 949.068505] ? kas [ 949.068512] Lost 231 message(s)! [ 950.112297] workqueue events_power_efficient: flags=0x80 [ 950.117766] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 950.123942] pending: gc_worker [ 950.127548] workqueue rcu_gp: flags=0x8 [ 950.131522] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 950.137687] pending: process_srcu [ 950.141514] workqueue mm_percpu_wq: flags=0x8 [ 950.146016] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 950.152195] pending: vmstat_update [ 950.156112] workqueue writeback: flags=0x4e [ 950.160438] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 [ 950.166192] in-flight: 4963:wb_workfn [ 950.170387] workqueue kblockd: flags=0x18 [ 950.174552] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 [ 950.180897] pending: blk_mq_timeout_work [ 950.185407] pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=4 idle: 30 60 2018/06/15 23:18:21 executed programs: 4014 2018/06/15 23:18:26 executed programs: 4188