[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.054244] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.587711] random: sshd: uninitialized urandom read (32 bytes read) [ 20.860166] random: sshd: uninitialized urandom read (32 bytes read) [ 21.646392] random: sshd: uninitialized urandom read (32 bytes read) [ 32.448470] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. [ 37.846136] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/11 10:54:27 parsed 1 programs [ 38.637204] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/11 10:54:28 executed programs: 0 [ 39.393584] IPVS: ftp: loaded support on port[0] = 21 [ 39.396136] IPVS: ftp: loaded support on port[0] = 21 [ 39.400347] IPVS: ftp: loaded support on port[0] = 21 [ 39.404497] IPVS: ftp: loaded support on port[0] = 21 [ 39.413906] IPVS: ftp: loaded support on port[0] = 21 [ 39.421816] IPVS: ftp: loaded support on port[0] = 21 [ 39.433963] IPVS: ftp: loaded support on port[0] = 21 [ 39.453300] IPVS: ftp: loaded support on port[0] = 21 [ 39.886186] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.892660] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.900058] device bridge_slave_0 entered promiscuous mode [ 39.918981] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.925380] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.932910] device bridge_slave_0 entered promiscuous mode [ 39.941258] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.947626] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.954728] device bridge_slave_0 entered promiscuous mode [ 39.970521] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.976923] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.983815] device bridge_slave_0 entered promiscuous mode [ 39.995694] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.002060] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.010293] device bridge_slave_1 entered promiscuous mode [ 40.018407] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.024768] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.031881] device bridge_slave_0 entered promiscuous mode [ 40.039996] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.046366] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.053500] device bridge_slave_1 entered promiscuous mode [ 40.060133] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.066499] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.073867] device bridge_slave_1 entered promiscuous mode [ 40.089506] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.095886] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.103859] device bridge_slave_1 entered promiscuous mode [ 40.111160] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.118956] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.125352] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.134167] device bridge_slave_0 entered promiscuous mode [ 40.141837] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.150094] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.156460] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.166672] device bridge_slave_0 entered promiscuous mode [ 40.173859] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.180219] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.187389] device bridge_slave_0 entered promiscuous mode [ 40.194306] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.200650] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.208370] device bridge_slave_1 entered promiscuous mode [ 40.215656] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.223635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.231892] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.238254] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.245604] device bridge_slave_1 entered promiscuous mode [ 40.252645] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.260933] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.267298] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.274650] device bridge_slave_1 entered promiscuous mode [ 40.280929] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.288772] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.295153] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.303590] device bridge_slave_1 entered promiscuous mode [ 40.310992] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.323183] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.331869] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.347436] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.354848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.371456] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.379652] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.387788] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.404048] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.445094] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.457832] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.466921] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.498924] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.521984] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.536619] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.545280] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.554928] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.564775] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.575982] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.604348] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.618703] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.628822] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.647429] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.661807] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.676428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.684170] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.692565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.702338] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.710953] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.719323] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.726480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.744496] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.752534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.761537] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.773306] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.781543] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.791185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.801092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.808996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.820006] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.831771] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.839809] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.850100] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.859475] team0: Port device team_slave_0 added [ 40.864779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.875215] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.884562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.895758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.905942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.913732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.922822] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.929740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.952368] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.966813] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.974869] team0: Port device team_slave_1 added [ 40.983718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.993377] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.000948] team0: Port device team_slave_0 added [ 41.029614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.052585] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.060963] team0: Port device team_slave_1 added [ 41.067710] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.074826] team0: Port device team_slave_0 added [ 41.081537] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.088620] team0: Port device team_slave_0 added [ 41.094400] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.102496] team0: Port device team_slave_0 added [ 41.120604] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.131908] team0: Port device team_slave_1 added [ 41.142072] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.151889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.160318] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.167454] team0: Port device team_slave_0 added [ 41.174412] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.181531] team0: Port device team_slave_0 added [ 41.188958] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.199435] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.211342] team0: Port device team_slave_1 added [ 41.221513] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.229811] team0: Port device team_slave_1 added [ 41.235353] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.242567] team0: Port device team_slave_0 added [ 41.248614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.256987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.264700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.272450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.282458] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.290507] team0: Port device team_slave_1 added [ 41.296997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.307911] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.315890] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.323506] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.333505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.341958] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.349722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.357742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.367739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.376096] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.384356] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.391993] team0: Port device team_slave_1 added [ 41.399063] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.409575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.416913] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.426927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.446589] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.454089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.461747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.469382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.477059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.485575] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.493532] team0: Port device team_slave_1 added [ 41.509561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.518599] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.532253] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.545280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.559428] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.567431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.581976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.589939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.598069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.606138] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.613391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.621173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.633281] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.640305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.648011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.661644] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.669987] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.679306] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.687430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.696577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.707894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.715969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.723788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.731476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.741982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.754927] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.764134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.788665] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.803555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.811502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.823248] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.832704] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.856071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.871110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.896183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.903854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.919831] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.927303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.940913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.355948] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.362485] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.369456] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.375829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.389863] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.409577] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.415971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.422638] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.429011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.436421] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.443568] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.449937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.456575] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.462938] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.472559] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.481189] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.487541] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.494135] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.500505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.507845] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.572520] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.578907] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.585517] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.591866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.601623] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.693697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.707503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.725920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.733792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.741834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.758744] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.765138] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.771802] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.778147] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.786190] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.802860] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.809252] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.815879] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.822236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.837709] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.853866] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.860257] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.866883] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.873258] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.885483] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.744432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.762195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.781043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.142997] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.158884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.183116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.199797] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.281258] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.366626] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.414811] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.439884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.457362] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.473449] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.526207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.556610] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.598472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.679898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.693250] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.701827] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.708038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.715151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.728974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.736539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.745662] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.752173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.759461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.781122] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.789689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.800200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.847648] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.907356] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.914381] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.920604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.928365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.955113] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.993671] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.000304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.008136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.031583] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.043918] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.086572] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.106426] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.112926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.122702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.191855] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.200867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.214774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.229734] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.276108] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.358636] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.396583] 8021q: adding VLAN 0 to HW filter on device team0 2018/06/11 10:54:37 executed programs: 8 [ 91.104060] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 42s! [ 91.112358] Showing busy workqueues and worker pools: [ 91.117609] workqueue events_unbound: flags=0x2 [ 91.122324] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 [ 91.130312] in-flight: 89:flush_to_ldisc [ 91.134717] [ 91.134722] ====================================================== [ 91.134727] WARNING: possible circular locking dependency detected [ 91.134730] 4.17.0+ #96 Not tainted [ 91.134734] ------------------------------------------------------ [ 91.134738] swapper/0/0 is trying to acquire lock: [ 91.134741] (____ptrval____) (console_owner){-.-.}, at: console_unlock+0x546/0x10a0 [ 91.134754] [ 91.134757] but task is already holding lock: [ 91.134760] (____ptrval____) (&pool->lock/1){..-.}, at: show_workqueue_state.cold.47+0xafe/0x15cf [ 91.134775] [ 91.134778] which lock already depends on the new lock. [ 91.134780] [ 91.134782] [ 91.134787] the existing dependency chain (in reverse order) is: [ 91.134789] [ 91.134791] -> #3 (&pool->lock/1){..-.}: [ 91.134805] _raw_spin_lock+0x2a/0x40 [ 91.134808] __queue_work+0x34a/0x13f0 [ 91.134811] queue_work_on+0x19a/0x1e0 [ 91.134815] tty_schedule_flip+0x145/0x1c0 [ 91.134819] tty_flip_buffer_push+0x15/0x20 [ 91.134822] pty_write+0x19d/0x1f0 [ 91.134825] n_tty_write+0xc41/0x1180 [ 91.134828] tty_write+0x3f1/0x880 [ 91.134832] __vfs_write+0x10b/0x9d0 [ 91.134835] vfs_write+0x1f8/0x560 [ 91.134838] ksys_write+0xf9/0x250 [ 91.134841] __x64_sys_write+0x73/0xb0 [ 91.134845] do_syscall_64+0x1b1/0x800 [ 91.134849] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.134851] [ 91.134853] -> #2 (&(&port->lock)->rlock){-.-.}: [ 91.134866] _raw_spin_lock_irqsave+0x96/0xc0 [ 91.134869] tty_port_tty_get+0x20/0x80 [ 91.134873] tty_port_default_wakeup+0x15/0x40 [ 91.134877] tty_port_tty_wakeup+0x5d/0x70 [ 91.134880] uart_write_wakeup+0x44/0x60 [ 91.134884] serial8250_tx_chars+0x4be/0xb60 [ 91.134888] serial8250_handle_irq.part.25+0x1ee/0x280 [ 91.134892] serial8250_default_handle_irq+0xc8/0x150 [ 91.134896] serial8250_interrupt+0xfa/0x1d0 [ 91.134899] __handle_irq_event_percpu+0x1c0/0xad0 [ 91.134903] handle_irq_event_percpu+0x98/0x1c0 [ 91.134907] handle_irq_event+0xa7/0x135 [ 91.134910] handle_edge_irq+0x20f/0x870 [ 91.134914] handle_irq+0x18c/0x2e7 [ 91.134917] do_IRQ+0x78/0x190 [ 91.134920] ret_from_intr+0x0/0x1e [ 91.134923] native_safe_halt+0x6/0x10 [ 91.134927] default_idle+0xc2/0x440 [ 91.134930] arch_cpu_idle+0x10/0x20 [ 91.134934] default_idle_call+0x6d/0x90 [ 91.134937] do_idle+0x395/0x560 [ 91.134940] cpu_startup_entry+0x104/0x120 [ 91.134944] start_secondary+0x42b/0x5c0 [ 91.134948] secondary_startup_64+0xa5/0xb0 [ 91.134950] [ 91.134952] -> #1 (&port_lock_key){-.-.}: [ 91.134964] _raw_spin_lock_irqsave+0x96/0xc0 [ 91.134969] serial8250_console_write+0x8d5/0xb00 [ 91.134972] univ8250_console_write+0x5f/0x70 [ 91.134976] console_unlock+0xa9d/0x10a0 [ 91.134979] vprintk_emit+0x6b2/0xde0 [ 91.134982] vprintk_default+0x28/0x30 [ 91.134986] vprintk_func+0x7a/0xe7 [ 91.134989] printk+0x9e/0xba [ 91.134992] register_console+0x7e7/0xc00 [ 91.134996] univ8250_console_init+0x3f/0x4b [ 91.134999] console_init+0x6d9/0xa38 [ 91.135002] start_kernel+0x608/0x92d [ 91.135006] x86_64_start_reservations+0x29/0x2b [ 91.135009] x86_64_start_kernel+0x76/0x79 [ 91.135013] secondary_startup_64+0xa5/0xb0 [ 91.135015] [ 91.135017] -> #0 (console_owner){-.-.}: [ 91.135029] lock_acquire+0x1dc/0x520 [ 91.135032] console_unlock+0x5b3/0x10a0 [ 91.135036] vprintk_emit+0x6b2/0xde0 [ 91.135039] vprintk_default+0x28/0x30 [ 91.135042] vprintk_func+0x7a/0xe7 [ 91.135045] printk+0x9e/0xba [ 91.135050] show_workqueue_state.cold.47+0xca0/0x15cf [ 91.135053] wq_watchdog_timer_fn+0x6f1/0x810 [ 91.135057] call_timer_fn+0x230/0x940 [ 91.135060] __run_timers+0x79e/0xc50 [ 91.135063] run_timer_softirq+0x60/0x70 [ 91.135067] __do_softirq+0x2e0/0xaf5 [ 91.135070] irq_exit+0x1d1/0x200 [ 91.135074] smp_apic_timer_interrupt+0x17e/0x710 [ 91.135078] apic_timer_interrupt+0xf/0x20 [ 91.135081] native_safe_halt+0x6/0x10 [ 91.135084] default_idle+0xc2/0x440 [ 91.135088] arch_cpu_idle+0x10/0x20 [ 91.135091] default_idle_call+0x6d/0x90 [ 91.135094] do_idle+0x395/0x560 [ 91.135098] cpu_startup_entry+0x104/0x120 [ 91.135101] rest_init+0xe1/0xe4 [ 91.135105] start_kernel+0x906/0x92d [ 91.135109] x86_64_start_reservations+0x29/0x2b [ 91.135112] x86_64_start_kernel+0x76/0x79 [ 91.135116] secondary_startup_64+0xa5/0xb0 [ 91.135118] [ 91.135122] other info that might help us debug this: [ 91.135124] [ 91.135126] Chain exists of: [ 91.135128] console_owner --> &(&port->lock)->rlock --> &pool->lock/1 [ 91.135146] [ 91.135149] Possible unsafe locking scenario: [ 91.135151] [ 91.135155] CPU0 CPU1 [ 91.135158] ---- ---- [ 91.135160] lock(&pool->lock/1); [ 91.135170] lock(&(&port->lock)->rlock); [ 91.135179] lock(&pool->lock/1); [ 91.135188] lock(console_owner); [ 91.135195] [ 91.135197] *** DEADLOCK *** [ 91.135199] [ 91.135203] 4 locks held by swapper/0/0: [ 91.135205] #0: (____ptrval____) ((&wq_watchdog_timer)){+.-.}, at: call_timer_fn+0x1bb/0x940 [ 91.135220] #1: (____ptrval____) (rcu_read_lock_sched){....}, at: show_workqueue_state+0x0/0x1c0 [ 91.135236] #2: (____ptrval____) (&pool->lock/1){..-.}, at: show_workqueue_state.cold.47+0xafe/0x15cf [ 91.135253] #3: (____ptrval____) (console_lock){+.+.}, at: vprintk_emit+0x699/0xde0 [ 91.135268] [ 91.135271] stack backtrace: [ 91.135276] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #96 [ 91.135282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.135284] Call Trace: [ 91.135287] [ 91.135290] dump_stack+0x1b9/0x294 [ 91.135298] ? dump_stack_print_info.cold.2+0x52/0x52 [ 91.135302] ? vprintk_func+0xd0/0xe7 [ 91.135306] print_circular_bug.isra.36.cold.56+0x1bd/0x27d [ 91.135309] ? save_trace+0xe0/0x290 [ 91.135313] __lock_acquire+0x343e/0x5140 [ 91.135317] ? debug_check_no_locks_freed+0x310/0x310 [ 91.135320] ? put_dec_trunc8+0x273/0x300 [ 91.135324] ? number+0x967/0xc90 [ 91.135328] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 91.135331] ? format_decode+0x1a9/0xae0 [ 91.135335] ? set_precision+0xe0/0xe0 [ 91.135338] ? graph_lock+0x170/0x170 [ 91.135341] ? graph_lock+0x170/0x170 [ 91.135346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.135349] ? pointer+0x930/0x930 [ 91.135353] lock_acquire+0x1dc/0x520 [ 91.135356] ? console_unlock+0x546/0x10a0 [ 91.135360] ? lock_release+0xa10/0xa10 [ 91.135363] ? kasan_check_read+0x11/0x20 [ 91.135367] ? do_raw_spin_unlock+0x9e/0x2e0 [ 91.135371] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 91.135374] ? kasan_check_write+0x14/0x20 [ 91.135378] ? do_raw_spin_lock+0xc1/0x200 [ 91.135382] console_unlock+0x5b3/0x10a0 [ 91.135385] ? console_unlock+0x546/0x10a0 [ 91.135389] ? kmsg_dump_get_buffer+0xae0/0xae0 [ 91.135392] ? kasan_check_write+0x14/0x20 [ 91.135396] ? do_raw_spin_lock+0xc1/0x200 [ 91.135400] ? trace_hardirqs_off+0xd/0x10 [ 91.135404] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 91.135407] ? vprintk_emit+0x699/0xde0 [ 91.135411] ? __down_trylock_console_sem+0x155/0x200 [ 91.135415] vprintk_emit+0x6b2/0xde0 [ 91.135418] ? wake_up_klogd+0x100/0x100 [ 91.135421] ? find_held_lock+0x36/0x1c0 [ 91.135425] vprintk_default+0x28/0x30 [ 91.135428] vprintk_func+0x7a/0xe7 [ 91.135431] printk+0x9e/0xba [ 91.135435] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 91.135439] ? kasan_check_write+0x14/0x20 [ 91.135442] ? wq_watchdog_touch+0xa0/0xfe [ 91.135446] show_workqueue_state.cold.47+0xca0/0x15cf [ 91.135450] ? radix_tree_next_chunk+0x5cc/0xfb0 [ 91.135454] ? print_worker_info+0x540/0x540 [ 91.135457] ? idr_preload+0x40/0x40 [ 91.135461] ? __down_trylock_console_sem+0x155/0x200 [ 91.135464] ? vprintk_emit+0x3ea/0xde0 [ 91.135468] ? graph_lock+0x170/0x170 [ 91.135471] ? wake_up_klogd+0x100/0x100 [ 91.135475] ? print_usage_bug+0xc0/0xc0 [ 91.135478] ? graph_lock+0x170/0x170 [ 91.135482] ? find_held_lock+0x36/0x1c0 [ 91.135485] ? lock_downgrade+0x8e0/0x8e0 [ 91.135488] ? idr_find+0x50/0x50 [ 91.135492] ? rcu_is_watching+0x85/0x140 [ 91.135495] ? __lock_is_held+0xb5/0x140 [ 91.135499] ? rcu_report_qs_rnp+0x790/0x790 [ 91.135503] wq_watchdog_timer_fn+0x6f1/0x810 [ 91.135506] ? show_workqueue_state+0x1c0/0x1c0 [ 91.135510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.135514] ? run_posix_cpu_timers+0x6c2/0x2550 [ 91.135518] ? graph_lock+0x170/0x170 [ 91.135521] ? trace_hardirqs_off+0xd/0x10 [ 91.135524] ? graph_lock+0x170/0x170 [ 91.135528] ? lock_acquire+0x1dc/0x520 [ 91.135531] ? call_timer_fn+0x1bb/0x940 [ 91.135535] ? __lock_is_held+0xb5/0x140 [ 91.135538] call_timer_fn+0x230/0x940 [ 91.135542] ? show_workqueue_state+0x1c0/0x1c0 [ 91.135546] ? process_timeout+0x40/0x40 [ 91.135549] ? kasan_check_write+0x14/0x20 [ 91.135553] ? lock_downgrade+0x8e0/0x8e0 [ 91.135556] ? trace_hardirqs_off+0xd/0x10 [ 91.135560] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 91.135564] ? kasan_check_read+0x11/0x20 [ 91.135567] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 91.135571] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 91.135575] ? show_workqueue_state+0x1c0/0x1c0 [ 91.135579] ? show_workqueue_state+0x1c0/0x1c0 [ 91.135583] __run_timers+0x79e/0xc50 [ 91.135587] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 91.135591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.135594] ? graph_lock+0x170/0x170 [ 91.135598] ? enqueue_hrtimer+0x18b/0x520 [ 91.135602] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 91.135605] ? rcu_is_watching+0x85/0x140 [ 91.135609] ? find_held_lock+0x36/0x1c0 [ 91.135612] ? lock_downgrade+0x8e0/0x8e0 [ 91.135616] ? rcu_is_watching+0x85/0x140 [ 91.135619] ? rcu_pm_notify+0xc0/0xc0 [ 91.135623] run_timer_softirq+0x60/0x70 [ 91.135626] __do_softirq+0x2e0/0xaf5 [ 91.135630] ? __irqentry_text_end+0x1f98a8/0x1f98a8 [ 91.135634] ? kasan_check_read+0x11/0x20 [ 91.135637] ? do_raw_spin_unlock+0x9e/0x2e0 [ 91.135641] ? native_apic_msr_write+0x5b/0x80 [ 91.135645] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 91.135649] ? lapic_next_event+0x5a/0x90 [ 91.135653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.135657] ? clockevents_program_event+0x140/0x370 [ 91.135661] ? kasan_check_read+0x11/0x20 [ 91.135664] ? rcu_is_watching+0x85/0x140 [ 91.135668] ? rcu_pm_notify+0xc0/0xc0 [ 91.135671] irq_exit+0x1d1/0x200 [ 91.135675] smp_apic_timer_interrupt+0x17e/0x710 [ 91.135679] ? smp_call_function_single_interrupt+0x650/0x650 [ 91.135682] ? kv [ 91.135687] Lost 105 message(s)! [ 92.177077] workqueue events_power_efficient: flags=0x80 [ 92.182520] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 92.188665] pending: gc_worker [ 92.192261] workqueue ipv6_addrconf: flags=0x40008 [ 92.197180] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 [ 92.203153] pending: addrconf_dad_work [ 92.207380] delayed: addrconf_dad_work, addrconf_dad_work [ 92.213296] pool 4: cpus=0-1 flags=0x4 nice=0 hung=3s workers=12 idle: 6456 6494 7 6464 6557 6493 34 261 6448 6523 23