[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.087725] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.847700] random: sshd: uninitialized urandom read (32 bytes read) [ 20.076450] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.891170] random: sshd: uninitialized urandom read (32 bytes read) [ 31.228946] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. [ 36.783688] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/25 01:51:29 parsed 1 programs [ 38.026940] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/25 01:51:31 executed programs: 0 [ 38.950357] IPVS: ftp: loaded support on port[0] = 21 [ 38.950441] IPVS: ftp: loaded support on port[0] = 21 [ 38.964854] IPVS: ftp: loaded support on port[0] = 21 [ 38.982201] IPVS: ftp: loaded support on port[0] = 21 [ 38.985181] IPVS: ftp: loaded support on port[0] = 21 [ 38.991148] IPVS: ftp: loaded support on port[0] = 21 [ 39.011515] IPVS: ftp: loaded support on port[0] = 21 [ 39.015795] IPVS: ftp: loaded support on port[0] = 21 [ 39.849707] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.856395] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.868077] device bridge_slave_0 entered promiscuous mode [ 39.899397] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.906005] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.919799] device bridge_slave_0 entered promiscuous mode [ 39.931834] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.938316] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.946442] device bridge_slave_0 entered promiscuous mode [ 39.960316] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.966722] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.974508] device bridge_slave_0 entered promiscuous mode [ 39.983332] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.991501] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.999780] device bridge_slave_0 entered promiscuous mode [ 40.014451] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.021094] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.030610] device bridge_slave_1 entered promiscuous mode [ 40.039609] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.046157] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.054240] device bridge_slave_1 entered promiscuous mode [ 40.060725] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.067444] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.075695] device bridge_slave_1 entered promiscuous mode [ 40.086812] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.093247] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.101571] device bridge_slave_1 entered promiscuous mode [ 40.108382] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.114865] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.124478] device bridge_slave_0 entered promiscuous mode [ 40.133007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.141270] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.147688] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.157669] device bridge_slave_0 entered promiscuous mode [ 40.166059] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.172557] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.180362] device bridge_slave_1 entered promiscuous mode [ 40.187236] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.198211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.207275] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.214504] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.228837] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.235287] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.247168] device bridge_slave_1 entered promiscuous mode [ 40.254512] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.260998] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.268077] device bridge_slave_1 entered promiscuous mode [ 40.276721] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.285384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.294139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.302969] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.315273] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.322577] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.339058] device bridge_slave_0 entered promiscuous mode [ 40.346612] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.353970] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.362373] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.370947] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.378130] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.391594] device bridge_slave_1 entered promiscuous mode [ 40.409681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.427535] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.465256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.500303] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.516590] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.528314] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.557813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.574633] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.584705] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.593627] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.603561] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.629530] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.646237] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.655278] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.663783] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.670858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.684955] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.692616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.710340] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.724710] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.734142] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.745195] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.755052] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.763098] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.771199] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.780242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.794464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.802995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.811548] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.818834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.830119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.838463] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.846888] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.855866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.865041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.877337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.892835] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.906169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.918371] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.934539] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.948338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.959075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.970152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.051090] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.063786] team0: Port device team_slave_0 added [ 41.073172] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.088718] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.100519] team0: Port device team_slave_0 added [ 41.108916] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.117915] team0: Port device team_slave_0 added [ 41.132092] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.141131] team0: Port device team_slave_1 added [ 41.146512] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.155912] team0: Port device team_slave_0 added [ 41.163734] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.171583] team0: Port device team_slave_0 added [ 41.186588] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.196696] team0: Port device team_slave_1 added [ 41.208368] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.219509] team0: Port device team_slave_1 added [ 41.225416] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.236963] team0: Port device team_slave_0 added [ 41.244372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.257413] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.266523] team0: Port device team_slave_1 added [ 41.275490] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.285366] team0: Port device team_slave_1 added [ 41.304406] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.313689] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.321595] team0: Port device team_slave_0 added [ 41.340750] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.351551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.362146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.378855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.392149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.400275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.409928] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.417903] team0: Port device team_slave_1 added [ 41.423331] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.430877] team0: Port device team_slave_1 added [ 41.461555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.476714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.491740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.499558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.507980] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.519777] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.531432] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.549431] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.564801] team0: Port device team_slave_0 added [ 41.580974] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.589719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.598150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.610675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.619080] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.626680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.634669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.642450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.650387] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.660510] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.667983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.675860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.689360] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.699868] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.709169] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.718152] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.726714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.736721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.746740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.754830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.763798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.771831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.779886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.787654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.798299] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.805681] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.814878] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.824956] team0: Port device team_slave_1 added [ 41.832396] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.841909] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.853124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.872267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.889510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.897713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.905533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.913598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.921421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.929540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.949508] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.958755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.973556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.001186] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.008875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.017301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.027577] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.046496] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.075360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.092828] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.116892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.123947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.140563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.155203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.162958] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.203161] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.210396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.219196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.286363] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.294117] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.306314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.638054] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.644611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.653353] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.659986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.682449] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.692991] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.699552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.706193] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.712559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.721247] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.736790] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.743225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.749872] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.756258] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.766293] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.787956] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.794415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.801230] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.807758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.826759] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.885954] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.892416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.899206] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.905618] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.917418] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.925589] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.931995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.938666] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.945090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.952835] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.023143] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.029590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.036338] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.042781] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.053815] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.265552] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.271993] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.278739] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.285158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.303904] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.617071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.636712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.653297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.660478] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.668111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.675649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.683396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.690767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.631139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.647731] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.700805] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.744012] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.771927] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.797229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.955684] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.973265] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.988322] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.012618] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.040171] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.058774] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.080431] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.129385] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.206759] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.280135] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.295939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.309637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.325720] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.333557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.340818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.357713] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.366749] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.380568] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.390095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.401637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.422457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.435382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.442812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.450378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.468795] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.477969] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.488817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.513585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.542415] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.549635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.570591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.666288] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.695350] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.720151] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.730582] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.746500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.754765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.773099] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.791728] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.805255] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.867656] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.051716] 8021q: adding VLAN 0 to HW filter on device team0 2018/06/25 01:51:41 executed programs: 8 [ 90.592195] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 39s! [ 90.600566] Showing busy workqueues and worker pools: [ 90.605841] workqueue events: flags=0x0 [ 90.609999] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 90.616632] pending: cache_reap [ 90.620696] workqueue events_unbound: flags=0x2 [ 90.625469] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 [ 90.633562] in-flight: 6591:flush_to_ldisc flush_to_ldisc [ 90.640296] [ 90.640303] ====================================================== [ 90.640308] WARNING: possible circular locking dependency detected [ 90.640312] 4.18.0-rc2+ #116 Not tainted [ 90.640317] ------------------------------------------------------ [ 90.640322] swapper/0/0 is trying to acquire lock: [ 90.640325] (____ptrval____) (console_owner){-.-.}, at: console_unlock+0x54e/0x10b0 [ 90.640339] [ 90.640343] but task is already holding lock: [ 90.640346] (____ptrval____) (&pool->lock/1){..-.}, at: show_workqueue_state.cold.48+0xb16/0x15ec [ 90.640364] [ 90.640368] which lock already depends on the new lock. [ 90.640370] [ 90.640373] [ 90.640378] the existing dependency chain (in reverse order) is: [ 90.640380] [ 90.640382] -> #3 (&pool->lock/1){..-.}: [ 90.640398] _raw_spin_lock+0x2a/0x40 [ 90.640401] __queue_work+0x352/0x1410 [ 90.640405] queue_work_on+0x19a/0x1e0 [ 90.640409] tty_schedule_flip+0x14c/0x1d0 [ 90.640413] tty_flip_buffer_push+0x15/0x20 [ 90.640417] pty_write+0x19d/0x1f0 [ 90.640421] n_tty_write+0xc5b/0x11a0 [ 90.640425] tty_write+0x45f/0xae0 [ 90.640429] __vfs_write+0x117/0x9f0 [ 90.640433] vfs_write+0x1f8/0x560 [ 90.640436] ksys_write+0x101/0x260 [ 90.640440] __x64_sys_write+0x73/0xb0 [ 90.640444] do_syscall_64+0x1b9/0x820 [ 90.640449] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.640451] [ 90.640453] -> #2 (&(&port->lock)->rlock){-.-.}: [ 90.640468] _raw_spin_lock_irqsave+0x96/0xc0 [ 90.640472] tty_port_tty_get+0x20/0x80 [ 90.640477] tty_port_default_wakeup+0x15/0x40 [ 90.640481] tty_port_tty_wakeup+0x5d/0x70 [ 90.640485] uart_write_wakeup+0x44/0x60 [ 90.640489] serial8250_tx_chars+0x4be/0xb60 [ 90.640494] serial8250_handle_irq.part.25+0x1ee/0x280 [ 90.640498] serial8250_default_handle_irq+0xc8/0x150 [ 90.640503] serial8250_interrupt+0xfa/0x1d0 [ 90.640507] __handle_irq_event_percpu+0x1c8/0xaf0 [ 90.640511] handle_irq_event_percpu+0xa0/0x1d0 [ 90.640516] handle_irq_event+0xa7/0x135 [ 90.640520] handle_edge_irq+0x20f/0x870 [ 90.640523] handle_irq+0x18c/0x2e7 [ 90.640527] do_IRQ+0x78/0x190 [ 90.640531] ret_from_intr+0x0/0x1e [ 90.640534] native_safe_halt+0x6/0x10 [ 90.640538] default_idle+0xc7/0x450 [ 90.640542] arch_cpu_idle+0x10/0x20 [ 90.640546] default_idle_call+0x6d/0x90 [ 90.640550] do_idle+0x3aa/0x570 [ 90.640554] cpu_startup_entry+0x10c/0x120 [ 90.640558] start_secondary+0x433/0x5d0 [ 90.640562] secondary_startup_64+0xa5/0xb0 [ 90.640564] [ 90.640566] -> #1 (&port_lock_key){-.-.}: [ 90.640581] _raw_spin_lock_irqsave+0x96/0xc0 [ 90.640585] serial8250_console_write+0x8d5/0xb00 [ 90.640589] univ8250_console_write+0x5f/0x70 [ 90.640593] console_unlock+0xab1/0x10b0 [ 90.640597] vprintk_emit+0x6c6/0xdf0 [ 90.640601] vprintk_default+0x28/0x30 [ 90.640604] vprintk_func+0x7a/0xe7 [ 90.640608] printk+0xa7/0xcf [ 90.640612] register_console+0x7e7/0xc00 [ 90.640616] univ8250_console_init+0x3f/0x4b [ 90.640620] console_init+0x6e1/0xa54 [ 90.640624] start_kernel+0x610/0x949 [ 90.640628] x86_64_start_reservations+0x29/0x2b [ 90.640633] x86_64_start_kernel+0x76/0x79 [ 90.640637] secondary_startup_64+0xa5/0xb0 [ 90.640639] [ 90.640641] -> #0 (console_owner){-.-.}: [ 90.640655] lock_acquire+0x1e4/0x540 [ 90.640659] console_unlock+0x5bb/0x10b0 [ 90.640663] vprintk_emit+0x6c6/0xdf0 [ 90.640667] vprintk_default+0x28/0x30 [ 90.640671] vprintk_func+0x7a/0xe7 [ 90.640674] printk+0xa7/0xcf [ 90.640679] show_workqueue_state.cold.48+0xcb8/0x15ec [ 90.640683] wq_watchdog_timer_fn+0x709/0x830 [ 90.640687] call_timer_fn+0x242/0x970 [ 90.640691] __run_timers+0x7a6/0xc70 [ 90.640695] run_timer_softirq+0x60/0x70 [ 90.640698] __do_softirq+0x2e8/0xb17 [ 90.640702] irq_exit+0x1d1/0x200 [ 90.640706] smp_apic_timer_interrupt+0x186/0x730 [ 90.640711] apic_timer_interrupt+0xf/0x20 [ 90.640715] native_safe_halt+0x6/0x10 [ 90.640718] default_idle+0xc7/0x450 [ 90.640722] arch_cpu_idle+0x10/0x20 [ 90.640726] default_idle_call+0x6d/0x90 [ 90.640730] do_idle+0x3aa/0x570 [ 90.640734] cpu_startup_entry+0x10c/0x120 [ 90.640737] rest_init+0xe1/0xe4 [ 90.640741] start_kernel+0x90e/0x949 [ 90.640746] x86_64_start_reservations+0x29/0x2b [ 90.640750] x86_64_start_kernel+0x76/0x79 [ 90.640754] secondary_startup_64+0xa5/0xb0 [ 90.640756] [ 90.640760] other info that might help us debug this: [ 90.640762] [ 90.640765] Chain exists of: [ 90.640767] console_owner --> &(&port->lock)->rlock --> &pool->lock/1 [ 90.640788] [ 90.640792] Possible unsafe locking scenario: [ 90.640794] [ 90.640798] CPU0 CPU1 [ 90.640802] ---- ---- [ 90.640805] lock(&pool->lock/1); [ 90.640816] lock(&(&port->lock)->rlock); [ 90.640826] lock(&pool->lock/1); [ 90.640835] lock(console_owner); [ 90.640843] [ 90.640846] *** DEADLOCK *** [ 90.640848] [ 90.640852] 4 locks held by swapper/0/0: [ 90.640854] #0: (____ptrval____) ((&wq_watchdog_timer)){+.-.}, at: call_timer_fn+0x1cd/0x970 [ 90.640872] #1: (____ptrval____) (rcu_read_lock_sched){....}, at: show_workqueue_state+0x0/0x1d0 [ 90.640889] #2: (____ptrval____) (&pool->lock/1){..-.}, at: show_workqueue_state.cold.48+0xb16/0x15ec [ 90.640914] #3: (____ptrval____) (console_lock){+.+.}, at: vprintk_emit+0x6ad/0xdf0 [ 90.640931] [ 90.640934] stack backtrace: [ 90.640939] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.18.0-rc2+ #116 [ 90.640946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.640950] Call Trace: [ 90.640952] [ 90.640956] dump_stack+0x1c9/0x2b4 [ 90.640961] ? dump_stack_print_info.cold.2+0x52/0x52 [ 90.640964] ? vprintk_func+0xd0/0xe7 [ 90.640969] print_circular_bug.isra.36.cold.57+0x1bd/0x27d [ 90.640973] ? save_trace+0xe0/0x290 [ 90.640977] __lock_acquire+0x3449/0x5020 [ 90.640981] ? trace_hardirqs_on+0x10/0x10 [ 90.640984] ? put_dec+0x3b/0xf0 [ 90.640989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.640994] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 90.640998] ? format_decode+0x1b1/0xaf0 [ 90.641001] ? graph_lock+0x170/0x170 [ 90.641005] ? graph_lock+0x170/0x170 [ 90.641009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.641013] ? find_held_lock+0x36/0x1c0 [ 90.641016] lock_acquire+0x1e4/0x540 [ 90.641020] ? console_unlock+0x54e/0x10b0 [ 90.641024] ? lock_release+0xa30/0xa30 [ 90.641028] ? kasan_check_read+0x11/0x20 [ 90.641033] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.641037] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 90.641041] ? kasan_check_write+0x14/0x20 [ 90.641045] ? do_raw_spin_lock+0xc1/0x200 [ 90.641049] console_unlock+0x5bb/0x10b0 [ 90.641053] ? console_unlock+0x54e/0x10b0 [ 90.641057] ? kmsg_dump_get_buffer+0xae0/0xae0 [ 90.641062] ? kasan_check_write+0x14/0x20 [ 90.641066] ? do_raw_spin_lock+0xc1/0x200 [ 90.641070] ? trace_hardirqs_off+0xd/0x10 [ 90.641074] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 90.641078] ? vprintk_emit+0x6ad/0xdf0 [ 90.641082] ? __down_trylock_console_sem+0x155/0x200 [ 90.641086] vprintk_emit+0x6c6/0xdf0 [ 90.641090] ? wake_up_klogd+0x110/0x110 [ 90.641095] ? smp_call_function_single_interrupt+0x660/0x660 [ 90.641099] ? print_usage_bug+0xc0/0xc0 [ 90.641103] vprintk_default+0x28/0x30 [ 90.641107] vprintk_func+0x7a/0xe7 [ 90.641110] printk+0xa7/0xcf [ 90.641115] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 90.641119] ? kasan_check_write+0x14/0x20 [ 90.641123] ? wq_watchdog_touch+0xf0/0xfe [ 90.641127] show_workqueue_state.cold.48+0xcb8/0x15ec [ 90.641131] ? print_worker_info+0x540/0x540 [ 90.641135] ? idr_preload+0x40/0x40 [ 90.641140] ? __down_trylock_console_sem+0x155/0x200 [ 90.641143] ? vprintk_emit+0x3f2/0xdf0 [ 90.641147] ? graph_lock+0x170/0x170 [ 90.641151] ? wake_up_klogd+0x110/0x110 [ 90.641156] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 90.641160] ? netlink_trim+0x1ba/0x380 [ 90.641164] ? find_held_lock+0x36/0x1c0 [ 90.641168] ? lock_downgrade+0x8f0/0x8f0 [ 90.641171] ? idr_find+0x50/0x50 [ 90.641175] ? rcu_is_watching+0x8c/0x150 [ 90.641179] ? __lock_is_held+0xb5/0x140 [ 90.641183] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 90.641187] wq_watchdog_timer_fn+0x709/0x830 [ 90.641192] ? show_workqueue_state+0x1d0/0x1d0 [ 90.641196] ? refcount_inc_not_zero+0x2f0/0x2f0 [ 90.641200] ? find_held_lock+0x36/0x1c0 [ 90.641204] ? graph_lock+0x170/0x170 [ 90.641208] ? lock_acquire+0x1e4/0x540 [ 90.641212] ? call_timer_fn+0x1cd/0x970 [ 90.641216] ? lock_downgrade+0x8f0/0x8f0 [ 90.641220] ? __lock_is_held+0xb5/0x140 [ 90.641224] call_timer_fn+0x242/0x970 [ 90.641229] ? show_workqueue_state+0x1d0/0x1d0 [ 90.641233] ? process_timeout+0x40/0x40 [ 90.641237] ? lock_downgrade+0x8f0/0x8f0 [ 90.641241] ? trace_hardirqs_off+0xd/0x10 [ 90.641245] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 90.641249] ? show_workqueue_state+0x1d0/0x1d0 [ 90.641253] ? kasan_check_read+0x11/0x20 [ 90.641258] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.641262] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 90.641266] ? _raw_spin_unlock_irq+0x27/0x70 [ 90.641271] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 90.641275] ? show_workqueue_state+0x1d0/0x1d0 [ 90.641279] __run_timers+0x7a6/0xc70 [ 90.641284] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 90.641288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 90.641292] ? graph_lock+0x170/0x170 [ 90.641296] ? enqueue_hrtimer+0x18e/0x540 [ 90.641301] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 90.641305] ? rcu_is_watching+0x8c/0x150 [ 90.641309] ? find_held_lock+0x36/0x1c0 [ 90.641312] ? lock_downgrade+0x8f0/0x8f0 [ 90.641316] ? rcu_is_watching+0x8c/0x150 [ 90.641320] ? rcu_pm_notify+0xc0/0xc0 [ 90.641324] run_timer_softirq+0x60/0x70 [ 90.641328] __do_softirq+0x2e8/0xb17 [ 90.641332] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 90.641336] ? kasan_check_read+0x11/0x20 [ 90.641341] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.641345] ? native_apic_msr_write+0x5b/0x80 [ 90.641349] ? lapic_next_event+0x5a/0x90 [ 90.641354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.641358] ? clockevents_program_event+0x140/0x370 [ 90.641362] ? kasan_check_read+0x11/0x20 [ 90.641366] ? rcu_is_watching+0x8c/0x150 [ 90.641370] ? rcu_pm_notify+0xc0/0xc0 [ 90.641374] irq_exit+0x1d1/0x200 [ 90.641378] smp_apic_timer_interrupt+0x186/0x730 [ 90.641383] ? smp_call_function_single_interrupt+0x660/0x660 [ 90.641387] ? _raw_spin_unlock+0x22/0x30 [ 90.641392] Lost 103 message(s)! [ 91.692479] workqueue mm_percpu_wq: flags=0x8 [ 91.697082] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 91.703417] pending: vmstat_update [ 91.707390] pool 4: cpus=0-1 flags=0x4 nice=0 hung=7s workers=17 idle: 23 6608 6617 6615 6575 6574 6588 51 117 6587 6614 316 7 6597 6619 6612