[....] Starting OpenBSD Secure Shell server: sshd[ 19.593709] random: sshd: uninitialized urandom read (32 bytes read) [ 19.674221] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 20.125715] random: sshd: uninitialized urandom read (32 bytes read) [ 20.886719] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 623.203011] random: sshd: uninitialized urandom read (32 bytes read) [ 623.320050] sshd (4500) used greatest stack depth: 17128 bytes left Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. [ 628.590347] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/21 07:27:46 parsed 1 programs 2018/05/21 07:27:46 executed programs: 0 [ 629.081814] IPVS: ftp: loaded support on port[0] = 21 [ 629.097702] IPVS: ftp: loaded support on port[0] = 21 [ 629.103667] IPVS: ftp: loaded support on port[0] = 21 [ 629.108533] IPVS: ftp: loaded support on port[0] = 21 [ 629.115540] IPVS: ftp: loaded support on port[0] = 21 [ 629.130703] IPVS: ftp: loaded support on port[0] = 21 [ 629.135924] IPVS: ftp: loaded support on port[0] = 21 [ 629.147971] IPVS: ftp: loaded support on port[0] = 21 [ 629.622854] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.629387] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.641352] device bridge_slave_0 entered promiscuous mode [ 629.649512] ip (4642) used greatest stack depth: 16568 bytes left [ 629.671194] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.677569] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.690506] device bridge_slave_0 entered promiscuous mode [ 629.701966] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.708347] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.716666] device bridge_slave_0 entered promiscuous mode [ 629.724756] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.731149] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.738113] device bridge_slave_0 entered promiscuous mode [ 629.749366] bridge0: port 2(bridge_slave_1) entered blocking state [ 629.755728] bridge0: port 2(bridge_slave_1) entered disabled state [ 629.762954] device bridge_slave_1 entered promiscuous mode [ 629.780261] bridge0: port 2(bridge_slave_1) entered blocking state [ 629.786623] bridge0: port 2(bridge_slave_1) entered disabled state [ 629.797970] device bridge_slave_1 entered promiscuous mode [ 629.805602] bridge0: port 2(bridge_slave_1) entered blocking state [ 629.811995] bridge0: port 2(bridge_slave_1) entered disabled state [ 629.819356] device bridge_slave_1 entered promiscuous mode [ 629.831178] bridge0: port 2(bridge_slave_1) entered blocking state [ 629.837551] bridge0: port 2(bridge_slave_1) entered disabled state [ 629.846328] device bridge_slave_1 entered promiscuous mode [ 629.858307] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.864675] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.872880] device bridge_slave_0 entered promiscuous mode [ 629.881067] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 629.888748] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 629.898043] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.904407] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.915304] device bridge_slave_0 entered promiscuous mode [ 629.922476] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.928927] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.936308] device bridge_slave_0 entered promiscuous mode [ 629.943184] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 629.951515] bridge0: port 1(bridge_slave_0) entered blocking state [ 629.957875] bridge0: port 1(bridge_slave_0) entered disabled state [ 629.966202] device bridge_slave_0 entered promiscuous mode [ 629.973923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 629.984338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 629.992501] bridge0: port 2(bridge_slave_1) entered blocking state [ 629.998868] bridge0: port 2(bridge_slave_1) entered disabled state [ 630.007342] device bridge_slave_1 entered promiscuous mode [ 630.013672] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 630.026679] bridge0: port 2(bridge_slave_1) entered blocking state [ 630.033208] bridge0: port 2(bridge_slave_1) entered disabled state [ 630.041600] device bridge_slave_1 entered promiscuous mode [ 630.049251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.062731] bridge0: port 2(bridge_slave_1) entered blocking state [ 630.069120] bridge0: port 2(bridge_slave_1) entered disabled state [ 630.078945] device bridge_slave_1 entered promiscuous mode [ 630.086272] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.094660] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 630.102756] bridge0: port 2(bridge_slave_1) entered blocking state [ 630.109144] bridge0: port 2(bridge_slave_1) entered disabled state [ 630.122246] device bridge_slave_1 entered promiscuous mode [ 630.130335] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 630.145898] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.154092] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 630.185927] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.195053] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.203168] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 630.211292] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.220967] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.244642] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.281119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 630.290490] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.299304] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.308753] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.360158] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.372752] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.382697] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.395731] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.404263] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.414932] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.421900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.442588] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 630.449461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 630.476921] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.485841] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.496823] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.508204] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 630.515097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 630.527312] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 630.551653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 630.563000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 630.573774] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.580670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.594360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 630.601285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 630.616618] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.623823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.633578] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.641209] team0: Port device team_slave_0 added [ 630.647397] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.655714] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.663456] team0: Port device team_slave_0 added [ 630.674636] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.686434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 630.693635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.705504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.716418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 630.725910] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 630.732994] team0: Port device team_slave_1 added [ 630.738972] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 630.748297] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 630.755462] team0: Port device team_slave_1 added [ 630.778209] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.785566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 630.804297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 630.837847] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.845597] team0: Port device team_slave_0 added [ 630.855360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 630.865672] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.872954] team0: Port device team_slave_0 added [ 630.882495] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 630.898374] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.907634] team0: Port device team_slave_0 added [ 630.915166] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.922665] team0: Port device team_slave_0 added [ 630.930380] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 630.937512] team0: Port device team_slave_0 added [ 630.945512] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 630.955533] team0: Port device team_slave_1 added [ 630.962062] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 630.969243] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 630.976416] team0: Port device team_slave_1 added [ 630.985553] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 630.993262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.001162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.011061] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 631.018357] team0: Port device team_slave_1 added [ 631.024956] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.032683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.042299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.051638] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.059713] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 631.067848] team0: Port device team_slave_1 added [ 631.073174] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 631.082317] team0: Port device team_slave_1 added [ 631.096233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.104526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.115291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.123945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.137397] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.152301] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.167476] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.186334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.194422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.201961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.226849] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.238104] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.248474] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.257416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.272066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.279727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.287832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.295705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.303572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.315381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.328846] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.337992] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.345876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.361317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.371908] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.379987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.389616] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 631.397216] team0: Port device team_slave_0 added [ 631.405656] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.420614] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.430343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.443201] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.455440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.463488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.471564] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.481854] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 631.490858] team0: Port device team_slave_1 added [ 631.501833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.509243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.520371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.531467] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.543949] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.557893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.580534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.594694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.603288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.613722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 631.632946] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.646524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 631.660196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 631.678941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.686779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.715570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 631.730411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 631.742879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 631.786486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 631.793818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 631.805674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 631.865616] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 631.873113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 631.885669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 632.160054] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.166729] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.173731] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.180103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.188772] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.251338] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.257871] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.264582] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.270964] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.280659] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.350009] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.356456] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.363520] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.369932] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.378846] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.442721] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.449168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.455861] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.462243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.469788] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.477851] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.484237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.490911] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.497306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.505122] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.513627] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.520006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.526688] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.533073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.542426] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.553714] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.560099] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.566725] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.573095] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.581421] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 632.598977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.615132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.626910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.634174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.641597] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.649125] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.656443] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 632.849160] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.855623] bridge0: port 2(bridge_slave_1) entered forwarding state [ 632.862312] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.868730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 632.878669] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 633.631505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 634.984128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.151966] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.202575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.224569] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.232379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.247178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.278863] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.295525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.441692] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.456756] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.469909] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.477098] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.483369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.490975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.516012] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.572562] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.587444] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.600327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 635.677174] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.687062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.699436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.745987] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.752278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.761485] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.791158] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.802750] 8021q: adding VLAN 0 to HW filter on device team0 [ 635.817563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.824944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.845136] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.856568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.867238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.892393] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 635.902871] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.916767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.925089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 635.957865] 8021q: adding VLAN 0 to HW filter on device team0 [ 635.969990] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 635.976371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 635.988458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 636.032066] 8021q: adding VLAN 0 to HW filter on device team0 [ 636.138135] 8021q: adding VLAN 0 to HW filter on device team0 [ 636.152508] 8021q: adding VLAN 0 to HW filter on device team0 [ 636.169224] 8021q: adding VLAN 0 to HW filter on device team0 [ 636.189006] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 636.197470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 636.213899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 636.270821] 8021q: adding VLAN 0 to HW filter on device team0 [ 636.463095] 8021q: adding VLAN 0 to HW filter on device team0 [ 762.634031] INFO: rcu_sched self-detected stall on CPU [ 762.636021] INFO: rcu_sched detected stalls on CPUs/tasks: [ 762.639496] 0-...!: (124975 ticks this GP) idle=a36/1/4611686018427387906 softirq=14002/14002 fqs=10 [ 762.654526] [ 762.654540] 0-...!: (124975 ticks this GP) idle=a36/1/4611686018427387906 softirq=14002/14002 fqs=10 [ 762.654546] [ 762.656263] (t=125002 jiffies g=7347 c=7346 q=349000) [ 762.665683] (detected by 1, t=125002 jiffies, g=7347, c=7346, q=349000) [ 762.667381] rcu_sched kthread starved for 124927 jiffies! g7347 c7346 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 762.672627] Sending NMI from CPU 1 to CPUs 0: [ 762.679347] RCU grace-period kthread stack dump: [ 762.691781] NMI backtrace for cpu 0 [ 762.691786] CPU: 0 PID: 8 Comm: ksoftirqd/0 Not tainted 4.17.0-rc6+ #86 [ 762.691793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.691797] RIP: 0010:write_comp_data+0xa/0x70 [ 762.691800] RSP: 0018:ffff8801dae06d30 EFLAGS: 00000006 [ 762.691807] RAX: 0000000000010105 RBX: 0000000000000006 RCX: ffffffff876bdc58 [ 762.691811] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001 [ 762.691816] RBP: ffff8801dae06d68 R08: ffff8801d9a9c200 R09: fffffbfff14da4bc [ 762.691821] R10: fffffbfff14da4bc R11: ffffffff8a6d25e0 R12: ffffffff88644220 [ 762.691827] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000008 [ 762.691833] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 762.691838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 762.691843] CR2: 00007f595e194270 CR3: 00000001b09c2000 CR4: 00000000001406f0 [ 762.691848] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 762.691854] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 762.691857] Call Trace: [ 762.691860] [ 762.691864] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 762.691868] vsnprintf+0x1b8/0x1b40 [ 762.691871] ? pointer+0xa10/0xa10 [ 762.691875] ? find_held_lock+0x36/0x1c0 [ 762.691878] sprintf+0xa7/0xd0 [ 762.691882] ? scnprintf+0x120/0x120 [ 762.691886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 762.691890] print_prefix+0x26a/0x3f0 [ 762.691893] msg_print_text+0xca/0x1c0 [ 762.691897] console_unlock+0x4f5/0x1100 [ 762.691901] ? wake_up_klogd+0x100/0x100 [ 762.691904] ? lock_release+0xa10/0xa10 [ 762.691908] ? kasan_check_read+0x11/0x20 [ 762.691912] ? do_raw_spin_unlock+0x9e/0x2e0 [ 762.691916] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 762.691920] ? kasan_check_write+0x14/0x20 [ 762.691924] ? do_raw_spin_lock+0xc1/0x200 [ 762.691927] vprintk_emit+0x6ad/0xdd0 [ 762.691931] ? console_unlock+0x1100/0x1100 [ 762.691935] ? do_raw_spin_lock+0xc1/0x200 [ 762.691939] ? vprintk_emit+0x3e5/0xdd0 [ 762.691942] ? console_unlock+0x1100/0x1100 [ 762.691946] ? print_usage_bug+0xc0/0xc0 [ 762.691950] vprintk_default+0x28/0x30 [ 762.691954] vprintk_func+0x7a/0xe7 [ 762.691957] printk+0x9e/0xba [ 762.691961] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 762.691965] ? vprintk_func+0x81/0xe7 [ 762.691969] rcu_check_gp_kthread_starvation+0x325/0x3a4 [ 762.691973] ? rcu_exp_wait_wake.cold.78+0x8f9/0x8f9 [ 762.691978] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 762.691981] ? find_next_bit+0x104/0x130 [ 762.691986] check_cpu_stall.isra.61.cold.80+0x364/0x59a [ 762.691990] ? print_other_cpu_stall+0x4a0/0x4a0 [ 762.691994] ? graph_lock+0x170/0x170 [ 762.691998] ? debug_check_no_locks_freed+0x310/0x310 [ 762.692002] ? __lock_acquire+0x7f5/0x5140 [ 762.692006] ? debug_check_no_locks_freed+0x310/0x310 [ 762.692011] ? debug_check_no_locks_freed+0x310/0x310 [ 762.692014] ? ___ratelimit.cold.2+0x6a/0x6a [ 762.692018] ? graph_lock+0x170/0x170 [ 762.692022] ? __lock_is_held+0xb5/0x140 [ 762.692025] ? graph_lock+0x170/0x170 [ 762.692029] ? graph_lock+0x170/0x170 [ 762.692032] ? __lock_is_held+0xb5/0x140 [ 762.692036] rcu_check_callbacks+0x21b/0xad0 [ 762.692040] ? rcu_cpu_stall_reset+0x210/0x210 [ 762.692044] ? trace_hardirqs_off+0xd/0x10 [ 762.692048] ? raise_softirq+0x1b2/0x450 [ 762.692052] ? raise_softirq_irqoff+0x310/0x310 [ 762.692056] ? pvclock_read_flags+0x160/0x160 [ 762.692060] ? account_guest_time+0x3d0/0x3d0 [ 762.692064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.692068] ? hrtimer_run_queues+0x70/0x390 [ 762.692072] ? run_local_timers+0x168/0x1d0 [ 762.692076] ? timer_clear_idle+0x50/0x50 [ 762.692080] ? account_system_time+0x7f/0xb0 [ 762.692083] ? account_process_tick+0x76/0x240 [ 762.692088] update_process_times+0x2d/0x70 [ 762.692091] tick_sched_handle+0x9f/0x180 [ 762.692095] tick_sched_timer+0x45/0x130 [ 762.692099] __hrtimer_run_queues+0x3e3/0x10a0 [ 762.692103] ? tick_sched_do_timer+0x1a0/0x1a0 [ 762.692107] ? hrtimer_start_range_ns+0xd10/0xd10 [ 762.692111] ? pvclock_read_flags+0x160/0x160 [ 762.692115] ? kvm_clock_read+0x25/0x30 [ 762.692119] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 762.692123] ? kvm_clock_read+0x25/0x30 [ 762.692127] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 762.692131] ? ktime_get_update_offsets_now+0x3d3/0x5c0 [ 762.692135] ? do_timer+0x50/0x50 [ 762.692138] ? rcu_nmi_exit+0xd7/0x2b0 [ 762.692142] ? do_raw_spin_lock+0xc1/0x200 [ 762.692146] hrtimer_interrupt+0x2f3/0x750 [ 762.692150] smp_apic_timer_interrupt+0x15d/0x710 [ 762.692155] ? smp_call_function_single_interrupt+0x650/0x650 [ 762.692159] ? _raw_spin_lock+0x32/0x40 [ 762.692162] ? _raw_spin_unlock+0x22/0x30 [ 762.692166] ? handle_edge_irq+0x330/0x870 [ 762.692170] ? task_prio+0x50/0x50 [ 762.692174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 762.692177] apic_timer_interrupt+0xf/0x20 [ 762.692180] [ 762.692185] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 [ 762.692189] RSP: 0018:ffff8801d9aad680 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 762.692198] RAX: 0000000000000103 RBX: 0000000000000002 RCX: ffffffff867e02e0 [ 762.692203] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000005 [ 762.692208] RBP: ffff8801d9aad7e0 R08: ffff8801d9a9c200 R09: ffff8801d9aadaf0 [ 762.692214] R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801ce597c40 [ 762.692219] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 762.692223] ? rt6_score_route+0x2d0/0xe50 [ 762.692227] ? rt6_score_route+0x273/0xe50 [ 762.692230] ? graph_lock+0x170/0x170 [ 762.692234] ? inet6_rtm_delroute+0x1a0/0x1a0 [ 762.692238] ? __lock_is_held+0xb5/0x140 [ 762.692242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.692246] ? rt6_check_expired+0x119/0x210 [ 762.692250] ? ip6_route_net_init+0x600/0x600 [ 762.692255] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 762.692258] ? fib6_lookup_1+0x732/0xb90 [ 762.692262] find_match+0x244/0x13a0 [ 762.692267] ? ipv6_route_seq_next_table.isra.27+0x3e0/0x3e0 [ 762.692271] ? __rt6_find_exception_rcu+0x377/0x500 [ 762.692275] ? rt6_score_route+0xe50/0xe50 [ 762.692278] ? graph_lock+0x170/0x170 [ 762.692286] ? lock_acquire+0x1dc/0x520 [ 762.692290] ? ip6_pol_route+0x28e/0x3d40 [ 762.692294] ? lock_downgrade+0x8e0/0x8e0 [ 762.692298] ? __lock_is_held+0xb5/0x140 [ 762.692302] ip6_pol_route+0x946/0x3d40 [ 762.692306] ? __local_bh_enable_ip+0x161/0x230 [ 762.692310] ? ip6_pol_route_lookup+0x1240/0x1240 [ 762.692314] ? print_usage_bug+0x50/0xc0 [ 762.692317] ? __lock_acquire+0x7f5/0x5140 [ 762.692321] ? __lock_acquire+0x7f5/0x5140 [ 762.692326] ? debug_check_no_locks_freed+0x310/0x310 [ 762.692329] ? mark_held_locks+0xc9/0x160 [ 762.692333] ? retint_kernel+0x10/0x10 [ 762.692337] ? graph_lock+0x170/0x170 [ 762.692341] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 762.692345] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 762.692348] ? retint_kernel+0x10/0x10 [ 762.692352] ? find_held_lock+0x36/0x1c0 [ 762.692356] ? lock_downgrade+0x8e0/0x8e0 [ 762.692360] ? kasan_check_read+0x11/0x20 [ 762.692364] ? graph_lock+0x170/0x170 [ 762.692368] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 762.692372] ? find_held_lock+0x36/0x1c0 [ 762.692376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.692380] ? lock_downgrade+0x8e0/0x8e0 [ 762.692384] ? kasan_check_read+0x11/0x20 [ 762.692388] ? rcu_is_watching+0x85/0x140 [ 762.692392] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 762.692396] ? print_usage_bug+0xc0/0xc0 [ 762.692400] ? ipv6_dev_get_saddr+0x58b/0xfd0 [ 762.692404] ? addrconf_sysctl_stable_secret+0x920/0x920 [ 762.692408] ? kasan_check_read+0x11/0x20 [ 762.692412] ? __lock_acquire+0x7f5/0x5140 [ 762.692416] ip6_pol_route_output+0x54/0x70 [ 762.692419] fib6_rule_lookup+0x211/0x6d0 [ 762.692423] ? ip6_pol_route_input+0x80/0x80 [ 762.692427] ? fib6_rules_seq_read+0x20/0x20 [ 762.692431] ? ip6_finish_output+0x11a/0xbc0 [ 762.692435] ? ip6_output+0x22f/0x9b0 [ 762.692439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.692443] ip6_route_output_flags+0x2c5/0x350 [ 762.692447] ip6_dst_lookup_tail+0x47b/0x1b30 [ 762.692451] ? nf_hook_slow+0x11e/0x1c0 [ 762.692454] ? print_usage_bug+0xc0/0xc0 [ 762.692458] ? dst_output+0x180/0x180 [ 762.692462] ? graph_lock+0x170/0x170 [ 762.692466] ? ip6_finish_output2+0x2810/0x2810 [ 762.692470] ? find_held_lock+0x36/0x1c0 [ 762.692473] ? graph_lock+0x170/0x170 [ 762.692477] ? lock_acquire+0x1dc/0x520 [ 762.692481] ? sctp_v6_get_dst+0x12f5/0x20b0 [ 762.692485] ? lock_downgrade+0x8e0/0x8e0 [ 762.692489] ip6_dst_lookup_flow+0xc1/0x260 [ 762.692492] ? ip6_dst_lookup+0x60/0x60 [ 762.692496] sctp_v6_get_dst+0x16b4/0x20b0 [ 762.692500] ? sctp_v6_xmit+0x420/0x6b0 [ 762.692504] ? sctp_v6_copy_addrlist+0x840/0x840 [ 762.692508] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.692513] ? sctp_packet_transmit+0x104d/0x3ba0 [ 762.692516] ? graph_lock+0x170/0x170 [ 762.692520] ? lock_downgrade+0x8e0/0x8e0 [ 762.692524] ? kasan_check_read+0x11/0x20 [ 762.692528] ? rcu_is_watching+0x85/0x140 [ 762.692532] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 762.692536] ? sctp_v6_ip_options_len+0x2bd/0x410 [ 762.692540] sctp_transport_route+0xad/0x450 [ 762.692544] ? sctp_transport_route+0xad/0x450 [ 762.692548] sctp_packet_config+0xb89/0xfd0 [ 762.692552] ? sctp_packet_append_chunk+0xdd0/0xdd0 [ 762.692557] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 762.692561] sctp_outq_flush+0x79c/0x4370 [ 762.692565] ? unwind_get_return_address+0x50/0xa0 [ 762.692570] ? sctp_check_transmitted+0x1e70/0x1e70 [ 762.692574] ? debug_check_no_locks_freed+0x310/0x310 [ 762.692578] ? unwind_next_frame.part.7+0x1a9/0x9c0 [ 762.692582] ? unwind_dump+0x180/0x180 [ 762.692586] ? unwind_dump+0x180/0x180 [ 762.692589] ? unwind_next_frame+0x3e/0x50 [ 762.692593] ? __unwind_start+0x166/0x330 [ 762.692597] ? unwind_next_frame+0x3e/0x50 [ 762.692601] ? __save_stack_trace+0x6e/0xd0 [ 762.692605] ? ret_from_fork+0x3a/0x50 [ 762.692608] ? graph_lock+0x170/0x170 [ 762.692612] ? save_stack+0xa9/0xd0 [ 762.692615] ? save_stack+0x43/0xd0 [ 762.692619] ? kasan_kmalloc+0xc4/0xe0 [ 762.692623] ? kasan_slab_alloc+0x12/0x20 [ 762.692627] ? kmem_cache_alloc+0x12e/0x760 [ 762.692630] ? sctp_chunkify+0xce/0x400 [ 762.692634] ? _sctp_make_chunk+0x157/0x280 [ 762.692638] ? sctp_make_heartbeat+0x8f/0x430 [ 762.692642] ? sctp_sf_heartbeat.isra.23+0x26/0x180 [ 762.692646] ? sctp_sf_sendbeat_8_3+0x38e/0x550 [ 762.692650] ? graph_lock+0x170/0x170 [ 762.692654] ? lock_downgrade+0x8e0/0x8e0 [ 762.692658] ? print_usage_bug+0xc0/0xc0 [ 762.692661] ? graph_lock+0x170/0x170 [ 762.692665] ? lock_downgrade+0x8e0/0x8e0 [ 762.692668] ? trace_hardirqs_off [ 762.692674] Lost 148 message(s)! [ 762.692691] rcu_sched kthread starved for 124927 jiffies! g7347 c7346 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 762.696142] rcu_sched R [ 762.700867] RCU grace-period kthread stack dump: [ 762.700875] rcu_sched R [ 762.704474] running task [ 762.711194] running task 23896 9 2 0x80000000 [ 762.720540] 23896 9 2 0x80000000 [ 762.725091] Call Trace: [ 762.730429] Call Trace: [ 762.737686] __schedule+0x801/0x1e30 [ 762.744933] __schedule+0x801/0x1e30 [ 762.752184] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 762.759435] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 762.766696] ? __sched_text_start+0x8/0x8 [ 762.774909] ? __sched_text_start+0x8/0x8 [ 762.780766] ? add_timer_on+0xa50/0xa50 [ 762.788033] ? add_timer_on+0xa50/0xa50 [ 762.795284] ? find_held_lock+0x36/0x1c0 [ 762.802541] ? find_held_lock+0x36/0x1c0 [ 762.805107] ? lock_downgrade+0x8e0/0x8e0 [ 762.807236] ? lock_downgrade+0x8e0/0x8e0 [ 762.812414] schedule+0xef/0x430 [ 762.816018] schedule+0xef/0x430 [ 762.819546] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 762.823583] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 762.826752] ? __schedule+0x1e30/0x1e30 [ 762.830445] ? __schedule+0x1e30/0x1e30 [ 762.835963] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 762.839740] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 762.843611] ? trace_hardirqs_on+0xd/0x10 [ 762.847648] ? trace_hardirqs_on+0xd/0x10 [ 762.851685] ? prepare_to_swait+0x19b/0x500 [ 762.855634] ? prepare_to_swait+0x19b/0x500 [ 762.859754] ? __lockdep_init_map+0x105/0x590 [ 762.864139] ? __lockdep_init_map+0x105/0x590 [ 762.868695] ? lockdep_init_map+0x9/0x10 [ 762.872903] ? lockdep_init_map+0x9/0x10 [ 762.877122] ? init_timer_on_stack_key+0xb7/0xe0 [ 762.880895] ? init_timer_on_stack_key+0xb7/0xe0 [ 762.885193] schedule_timeout+0x138/0x240 [ 762.889417] schedule_timeout+0x138/0x240 [ 762.893368] ? usleep_range+0x180/0x180 [ 762.897666] ? usleep_range+0x180/0x180 [ 762.901706] ? __next_timer_interrupt+0x1a0/0x1a0 [ 762.905586] ? __next_timer_interrupt+0x1a0/0x1a0 [ 762.909195] rcu_gp_kthread+0x6b5/0x1940 [ 762.912278] rcu_gp_kthread+0x6b5/0x1940 [ 762.917017] ? rcu_batches_completed_sched+0x10/0x10 [ 762.920796] ? rcu_batches_completed_sched+0x10/0x10 [ 762.926211] ? save_trace+0x1/0x290 [ 762.931298] ? save_trace+0x1/0x290 [ 762.936296] ? pick_next_task_fair+0x97c/0x1780 [ 762.940332] ? pick_next_task_fair+0x97c/0x1780 [ 762.945757] ? graph_lock+0x170/0x170 [ 762.950500] ? graph_lock+0x170/0x170 [ 762.954281] ? resched_curr+0x122/0x190 [ 762.959444] ? resched_curr+0x122/0x190 [ 762.963656] ? print_bfs_bug+0x80/0x80 [ 762.968823] ? print_bfs_bug+0x80/0x80 [ 762.973996] ? lock_downgrade+0x8e0/0x8e0 [ 762.978382] ? lock_downgrade+0x8e0/0x8e0 [ 762.982153] ? finish_task_switch+0x182/0x840 [ 762.986189] ? finish_task_switch+0x182/0x840 [ 762.989968] ? kasan_check_read+0x11/0x20 [ 762.993753] ? kasan_check_read+0x11/0x20 [ 762.997791] ? do_raw_spin_unlock+0x9e/0x2e0 [ 763.002173] ? do_raw_spin_unlock+0x9e/0x2e0 [ 763.006729] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 763.010939] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 763.014978] ? compat_start_thread+0x80/0x80 [ 763.019620] ? compat_start_thread+0x80/0x80 [ 763.024089] ? _raw_spin_unlock_irq+0x27/0x70 [ 763.028569] ? _raw_spin_unlock_irq+0x27/0x70 [ 763.034104] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 763.038490] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 763.042791] ? kasan_check_write+0x14/0x20 [ 763.046916] ? kasan_check_write+0x14/0x20 [ 763.052018] ? finish_task_switch+0x28b/0x840 [ 763.056584] ? finish_task_switch+0x28b/0x840 [ 763.060883] ? preempt_notifier_register+0x1e0/0x1e0 [ 763.065008] ? preempt_notifier_register+0x1e0/0x1e0 [ 763.069048] ? lock_repin_lock+0x410/0x410 [ 763.073607] ? lock_repin_lock+0x410/0x410 [ 763.078173] ? __schedule+0x809/0x1e30 [ 763.082993] ? __schedule+0x809/0x1e30 [ 763.087464] ? graph_lock+0x170/0x170 [ 763.091421] ? graph_lock+0x170/0x170 [ 763.096425] ? find_held_lock+0x36/0x1c0 [ 763.100375] ? find_held_lock+0x36/0x1c0 [ 763.105372] ? find_held_lock+0x36/0x1c0 [ 763.110714] ? find_held_lock+0x36/0x1c0 [ 763.114150] ? __schedule+0x1e30/0x1e30 [ 763.118020] ? __schedule+0x1e30/0x1e30 [ 763.122231] ? do_raw_spin_unlock+0x9e/0x2e0 [ 763.126445] ? do_raw_spin_unlock+0x9e/0x2e0 [ 763.131278] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 763.137136] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 763.141088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.145212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.149420] ? parse_args.cold.15+0x1b3/0x1b3 [ 763.152933] ? parse_args.cold.15+0x1b3/0x1b3 [ 763.157748] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 763.161965] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 763.164178] ? trace_hardirqs_on+0xd/0x10 [ 763.169517] ? trace_hardirqs_on+0xd/0x10 [ 763.177201] kthread+0x345/0x410 [ 763.184450] kthread+0x345/0x410 [ 763.191700] ? rcu_batches_completed_sched+0x10/0x10 [ 763.198950] ? rcu_batches_completed_sched+0x10/0x10 [ 763.206195] ? kthread_bind+0x40/0x40 [ 763.213441] ? kthread_bind+0x40/0x40 [ 763.217651] ret_from_fork+0x3a/0x50 [ 763.222266] ret_from_fork+0x3a/0x50 [ 764.196940] NMI backtrace for cpu 0 [ 764.200574] CPU: 0 PID: 8 Comm: ksoftirqd/0 Not tainted 4.17.0-rc6+ #86 [ 764.207309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.216654] Call Trace: [ 764.219226] [ 764.221371] dump_stack+0x1b9/0x294 [ 764.224985] ? dump_stack_print_info.cold.2+0x52/0x52 [ 764.230159] ? lock_release+0xa10/0xa10 [ 764.234135] nmi_cpu_backtrace.cold.4+0x19/0xce [ 764.238803] ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f [ 764.243978] nmi_trigger_cpumask_backtrace+0x151/0x192 [ 764.249242] arch_trigger_cpumask_backtrace+0x14/0x20 [ 764.254422] rcu_dump_cpu_stacks+0x175/0x1c2 [ 764.258830] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 764.263836] check_cpu_stall.isra.61.cold.80+0x36c/0x59a [ 764.269286] ? print_other_cpu_stall+0x4a0/0x4a0 [ 764.274042] ? graph_lock+0x170/0x170 [ 764.277835] ? debug_check_no_locks_freed+0x310/0x310 [ 764.283019] ? __lock_acquire+0x7f5/0x5140 [ 764.287257] ? debug_check_no_locks_freed+0x310/0x310 [ 764.292433] ? debug_check_no_locks_freed+0x310/0x310 [ 764.297610] ? ___ratelimit.cold.2+0x6a/0x6a [ 764.302007] ? graph_lock+0x170/0x170 [ 764.305791] ? __lock_is_held+0xb5/0x140 [ 764.309852] ? graph_lock+0x170/0x170 [ 764.313648] ? graph_lock+0x170/0x170 [ 764.317455] ? __lock_is_held+0xb5/0x140 [ 764.321508] rcu_check_callbacks+0x21b/0xad0 [ 764.325906] ? rcu_cpu_stall_reset+0x210/0x210 [ 764.330487] ? trace_hardirqs_off+0xd/0x10 [ 764.334708] ? raise_softirq+0x1b2/0x450 [ 764.338759] ? raise_softirq_irqoff+0x310/0x310 [ 764.343418] ? pvclock_read_flags+0x160/0x160 [ 764.347899] ? account_guest_time+0x3d0/0x3d0 [ 764.352398] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.357927] ? hrtimer_run_queues+0x70/0x390 [ 764.362322] ? run_local_timers+0x168/0x1d0 [ 764.366629] ? timer_clear_idle+0x50/0x50 [ 764.370767] ? account_system_time+0x7f/0xb0 [ 764.375162] ? account_process_tick+0x76/0x240 [ 764.379732] update_process_times+0x2d/0x70 [ 764.384038] tick_sched_handle+0x9f/0x180 [ 764.388169] tick_sched_timer+0x45/0x130 [ 764.392215] __hrtimer_run_queues+0x3e3/0x10a0 [ 764.396788] ? tick_sched_do_timer+0x1a0/0x1a0 [ 764.401357] ? hrtimer_start_range_ns+0xd10/0xd10 [ 764.406189] ? pvclock_read_flags+0x160/0x160 [ 764.410674] ? kvm_clock_read+0x25/0x30 [ 764.414634] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 764.419642] ? kvm_clock_read+0x25/0x30 [ 764.423614] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 764.428623] ? ktime_get_update_offsets_now+0x3d3/0x5c0 [ 764.433974] ? do_timer+0x50/0x50 [ 764.437418] ? rcu_nmi_exit+0xd7/0x2b0 [ 764.441301] ? do_raw_spin_lock+0xc1/0x200 [ 764.445536] hrtimer_interrupt+0x2f3/0x750 [ 764.449768] smp_apic_timer_interrupt+0x15d/0x710 [ 764.454613] ? smp_call_function_single_interrupt+0x650/0x650 [ 764.460493] ? _raw_spin_lock+0x32/0x40 [ 764.464460] ? _raw_spin_unlock+0x22/0x30 [ 764.468599] ? handle_edge_irq+0x330/0x870 [ 764.472835] ? task_prio+0x50/0x50 [ 764.476386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.481247] apic_timer_interrupt+0xf/0x20 [ 764.485468] [ 764.487695] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 [ 764.493039] RSP: 0018:ffff8801d9aad680 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 764.500746] RAX: 0000000000000103 RBX: 0000000000000002 RCX: ffffffff867e02e0 [ 764.507999] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000005 [ 764.515262] RBP: ffff8801d9aad7e0 R08: ffff8801d9a9c200 R09: ffff8801d9aadaf0 [ 764.522518] R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801ce597c40 [ 764.529775] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 764.537045] ? rt6_score_route+0x2d0/0xe50 [ 764.541270] ? rt6_score_route+0x273/0xe50 [ 764.545494] ? graph_lock+0x170/0x170 [ 764.549284] ? inet6_rtm_delroute+0x1a0/0x1a0 [ 764.553767] ? __lock_is_held+0xb5/0x140 [ 764.557820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.563342] ? rt6_check_expired+0x119/0x210 [ 764.567735] ? ip6_route_net_init+0x600/0x600 [ 764.572217] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 764.577740] ? fib6_lookup_1+0x732/0xb90 [ 764.581791] find_match+0x244/0x13a0 [ 764.585494] ? ipv6_route_seq_next_table.isra.27+0x3e0/0x3e0 [ 764.591287] ? __rt6_find_exception_rcu+0x377/0x500 [ 764.596298] ? rt6_score_route+0xe50/0xe50 [ 764.600518] ? graph_lock+0x170/0x170 [ 764.604307] ? lock_acquire+0x1dc/0x520 [ 764.608273] ? ip6_pol_route+0x28e/0x3d40 [ 764.612428] ? lock_downgrade+0x8e0/0x8e0 [ 764.616567] ? __lock_is_held+0xb5/0x140 [ 764.620620] ip6_pol_route+0x946/0x3d40 [ 764.624586] ? __local_bh_enable_ip+0x161/0x230 [ 764.629261] ? ip6_pol_route_lookup+0x1240/0x1240 [ 764.634096] ? print_usage_bug+0x50/0xc0 [ 764.638146] ? __lock_acquire+0x7f5/0x5140 [ 764.642367] ? __lock_acquire+0x7f5/0x5140 [ 764.646586] ? debug_check_no_locks_freed+0x310/0x310 [ 764.651766] ? mark_held_locks+0xc9/0x160 [ 764.655905] ? retint_kernel+0x10/0x10 [ 764.659776] ? graph_lock+0x170/0x170 [ 764.663568] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 764.668583] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 764.673328] ? retint_kernel+0x10/0x10 [ 764.677200] ? find_held_lock+0x36/0x1c0 [ 764.681251] ? lock_downgrade+0x8e0/0x8e0 [ 764.685391] ? kasan_check_read+0x11/0x20 [ 764.689533] ? graph_lock+0x170/0x170 [ 764.693323] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 764.698507] ? find_held_lock+0x36/0x1c0 [ 764.702568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.708090] ? lock_downgrade+0x8e0/0x8e0 [ 764.712227] ? kasan_check_read+0x11/0x20 [ 764.716360] ? rcu_is_watching+0x85/0x140 [ 764.720937] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 764.726112] ? print_usage_bug+0xc0/0xc0 [ 764.730164] ? ipv6_dev_get_saddr+0x58b/0xfd0 [ 764.734652] ? addrconf_sysctl_stable_secret+0x920/0x920 [ 764.740088] ? kasan_check_read+0x11/0x20 [ 764.744222] ? __lock_acquire+0x7f5/0x5140 [ 764.748447] ip6_pol_route_output+0x54/0x70 [ 764.752755] fib6_rule_lookup+0x211/0x6d0 [ 764.756886] ? ip6_pol_route_input+0x80/0x80 [ 764.761281] ? fib6_rules_seq_read+0x20/0x20 [ 764.765674] ? ip6_finish_output+0x11a/0xbc0 [ 764.770071] ? ip6_output+0x22f/0x9b0 [ 764.773859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.779392] ip6_route_output_flags+0x2c5/0x350 [ 764.784066] ip6_dst_lookup_tail+0x47b/0x1b30 [ 764.788556] ? nf_hook_slow+0x11e/0x1c0 [ 764.792518] ? print_usage_bug+0xc0/0xc0 [ 764.796589] ? dst_output+0x180/0x180 [ 764.800375] ? graph_lock+0x170/0x170 [ 764.804166] ? ip6_finish_output2+0x2810/0x2810 [ 764.808820] ? find_held_lock+0x36/0x1c0 [ 764.812865] ? graph_lock+0x170/0x170 [ 764.816666] ? lock_acquire+0x1dc/0x520 [ 764.820636] ? sctp_v6_get_dst+0x12f5/0x20b0 [ 764.825043] ? lock_downgrade+0x8e0/0x8e0 [ 764.829182] ip6_dst_lookup_flow+0xc1/0x260 [ 764.833503] ? ip6_dst_lookup+0x60/0x60 [ 764.837467] sctp_v6_get_dst+0x16b4/0x20b0 [ 764.841688] ? sctp_v6_xmit+0x420/0x6b0 [ 764.845651] ? sctp_v6_copy_addrlist+0x840/0x840 [ 764.850400] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.855922] ? sctp_packet_transmit+0x104d/0x3ba0 [ 764.860752] ? graph_lock+0x170/0x170 [ 764.864557] ? lock_downgrade+0x8e0/0x8e0 [ 764.868698] ? kasan_check_read+0x11/0x20 [ 764.872849] ? rcu_is_watching+0x85/0x140 [ 764.876982] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 764.882162] ? sctp_v6_ip_options_len+0x2bd/0x410 [ 764.886995] sctp_transport_route+0xad/0x450 [ 764.891395] ? sctp_transport_route+0xad/0x450 [ 764.895966] sctp_packet_config+0xb89/0xfd0 [ 764.900279] ? sctp_packet_append_chunk+0xdd0/0xdd0 [ 764.905292] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 764.911185] sctp_outq_flush+0x79c/0x4370 [ 764.915334] ? unwind_get_return_address+0x50/0xa0 [ 764.920271] ? sctp_check_transmitted+0x1e70/0x1e70 [ 764.925290] ? debug_check_no_locks_freed+0x310/0x310 [ 764.930472] ? unwind_next_frame.part.7+0x1a9/0x9c0 [ 764.935481] ? unwind_dump+0x180/0x180 [ 764.939372] ? unwind_dump+0x180/0x180 [ 764.943250] ? unwind_next_frame+0x3e/0x50 [ 764.947473] ? __unwind_start+0x166/0x330 [ 764.951630] ? unwind_next_frame+0x3e/0x50 [ 764.955862] ? __save_stack_trace+0x6e/0xd0 [ 764.960177] ? ret_from_fork+0x3a/0x50 [ 764.964049] ? graph_lock+0x170/0x170 [ 764.967866] ? save_stack+0xa9/0xd0 [ 764.971486] ? save_stack+0x43/0xd0 [ 764.975097] ? kasan_kmalloc+0xc4/0xe0 [ 764.978969] ? kasan_slab_alloc+0x12/0x20 [ 764.983104] ? kmem_cache_alloc+0x12e/0x760 [ 764.987413] ? sctp_chunkify+0xce/0x400 [ 764.991374] ? _sctp_make_chunk+0x157/0x280 [ 764.995682] ? sctp_make_heartbeat+0x8f/0x430 [ 765.000171] ? sctp_sf_heartbeat.isra.23+0x26/0x180 [ 765.005174] ? sctp_sf_sendbeat_8_3+0x38e/0x550 [ 765.009842] ? graph_lock+0x170/0x170 [ 765.013639] ? lock_downgrade+0x8e0/0x8e0 [ 765.017787] ? print_usage_bug+0xc0/0xc0 [ 765.021843] ? graph_lock+0x170/0x170 [ 765.025634] ? lock_downgrade+0x8e0/0x8e0 [ 765.029772] ? trace_hardirqs_off+0xd/0x10 [ 765.033993] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 765.039087] ? mark_held_locks+0xc9/0x160 [ 765.043226] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 765.047806] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 765.052930] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 765.057958] ? trace_hardirqs_on+0xd/0x10 [ 765.062101] ? mod_timer+0x5eb/0x13b0 [ 765.065917] ? mod_timer_pending+0x1490/0x1490 [ 765.070498] ? retint_kernel+0x10/0x10 [ 765.074377] ? graph_lock+0x170/0x170 [ 765.078164] ? print_usage_bug+0xc0/0xc0 [ 765.082219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.087755] ? dst_release+0x5d/0xb0 [ 765.091464] ? sctp_trans_elect_best+0x29e/0x3d0 [ 765.096209] ? sctp_assoc_control_transport+0xec/0x930 [ 765.101478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.107002] ? refcount_inc_not_zero+0x1dd/0x2d0 [ 765.111747] ? refcount_add_not_zero+0x320/0x320 [ 765.116493] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 765.121673] ? sctp_transport_lower_cwnd+0x1b8/0x690 [ 765.126765] ? sctp_transport_raise_cwnd+0x490/0x490 [ 765.131857] ? prandom_u32_state+0x13/0x180 [ 765.136168] sctp_outq_uncork+0x6a/0x80 [ 765.140145] sctp_do_sm+0x596/0x7160 [ 765.143854] ? sctp_do_8_2_transport_strike.isra.16+0x950/0x950 [ 765.149911] ? debug_check_no_locks_freed+0x310/0x310 [ 765.155088] ? __lock_acquire+0x7f5/0x5140 [ 765.159321] ? mod_timer+0x5eb/0x13b0 [ 765.163114] ? graph_lock+0x170/0x170 [ 765.166908] ? debug_check_no_locks_freed+0x310/0x310 [ 765.172084] ? graph_lock+0x170/0x170 [ 765.175871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.181401] ? refcount_sub_and_test+0x212/0x330 [ 765.186148] ? graph_lock+0x170/0x170 [ 765.189948] ? sctp_generate_heartbeat_event+0xa4/0x450 [ 765.195306] ? lock_release+0xa10/0xa10 [ 765.199285] sctp_generate_heartbeat_event+0x218/0x450 [ 765.204553] call_timer_fn+0x230/0x940 [ 765.208449] ? sctp_generate_t3_rtx_event+0x350/0x350 [ 765.213628] ? process_timeout+0x40/0x40 [ 765.217682] ? lock_downgrade+0x8e0/0x8e0 [ 765.222328] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 765.227434] ? kasan_check_read+0x11/0x20 [ 765.231602] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 765.236173] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 765.241194] ? sctp_generate_t3_rtx_event+0x350/0x350 [ 765.246372] ? sctp_generate_t3_rtx_event+0x350/0x350 [ 765.251562] __run_timers+0x79e/0xc50 [ 765.255375] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 765.260728] ? lock_downgrade+0x8e0/0x8e0 [ 765.264867] ? finish_task_switch+0x182/0x840 [ 765.269366] ? kasan_check_read+0x11/0x20 [ 765.273520] ? do_raw_spin_unlock+0x9e/0x2e0 [ 765.277917] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 765.282487] ? compat_start_thread+0x80/0x80 [ 765.286878] ? _raw_spin_unlock_irq+0x27/0x70 [ 765.291360] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 765.296365] ? trace_hardirqs_on+0xd/0x10 [ 765.300497] ? _raw_spin_unlock_irq+0x27/0x70 [ 765.304979] ? finish_task_switch+0x1ca/0x840 [ 765.309458] ? finish_task_switch+0x182/0x840 [ 765.313945] ? rcu_pm_notify+0xc0/0xc0 [ 765.317833] run_timer_softirq+0x4c/0x70 [ 765.321888] __do_softirq+0x2e0/0xaf5 [ 765.325681] ? __irqentry_text_end+0x1f98a8/0x1f98a8 [ 765.330767] ? find_held_lock+0x36/0x1c0 [ 765.334816] ? schedule+0xef/0x430 [ 765.338341] ? schedule+0xef/0x430 [ 765.341862] ? find_held_lock+0x36/0x1c0 [ 765.345919] ? check_same_owner+0x320/0x320 [ 765.350224] ? schedule+0xef/0x430 [ 765.353751] ? takeover_tasklets+0xa50/0xa50 [ 765.358151] ? takeover_tasklets+0xa50/0xa50 [ 765.362549] run_ksoftirqd+0x86/0x100 [ 765.366352] smpboot_thread_fn+0x417/0x870 [ 765.370580] ? sort_range+0x30/0x30 [ 765.374204] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 765.379206] ? trace_hardirqs_on+0xd/0x10 [ 765.383354] kthread+0x345/0x410 [ 765.386708] ? sort_range+0x30/0x30 [ 765.390323] ? kthread_bind+0x40/0x40 [ 765.394111] ret_from_fork+0x3a/0x50 [ 765.398156] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.929 msecs [ 765.422231] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 127s! [ 765.430324] Showing busy workqueues and worker pools: [ 765.435759] workqueue events: flags=0x0 [ 765.439954] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=10/256 [ 765.446628] pending: pcpu_balance_workfn, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, check_corruption, vmstat_shepherd, cache_reap [ 765.466793] workqueue events_power_efficient: flags=0x80 [ 765.472280] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 765.478460] pending: check_lifetime [ 765.482526] workqueue mm_percpu_wq: flags=0x8 [ 765.487063] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 765.493249] pending: vmstat_update [ 765.497247] workqueue writeback: flags=0x4e [ 765.501712] pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/256 [ 765.507912] pending: wb_workfn, wb_workfn, wb_workfn, wb_workfn [ 765.514451] workqueue kblockd: flags=0x18 [ 765.518635] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 [ 765.524985] pending: blk_mq_timeout_work [ 765.529503] workqueue ib_addr: flags=0xa0002 [ 765.533948] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 [ 765.539514] pending: process_req [ 765.543320] workqueue gid-cache-wq: flags=0xa0002 [ 765.548218] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 [ 765.553816] pending: update_gid_event_work_handler [ 765.559124] delayed: netdevice_event_work_handler [ 765.564428] workqueue ipv6_addrconf: flags=0x40008 [ 765.569393] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 [ 765.575387] pending: addrconf_dad_work 2018/05/21 07:30:03 executed programs: 8 [ 765.579645] delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work