[ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 24.244400] IPVS: ftp: loaded support on port[0] = 21 [ 24.660198] can: request_module (can-proto-0) failed. [ 25.735238] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. 2021/04/23 18:30:39 parsed 1 programs 2021/04/23 18:30:39 executed programs: 0 [ 33.522616] IPVS: ftp: loaded support on port[0] = 21 [ 33.525967] IPVS: ftp: loaded support on port[0] = 21 [ 33.558981] IPVS: ftp: loaded support on port[0] = 21 [ 33.561377] IPVS: ftp: loaded support on port[0] = 21 [ 33.583916] IPVS: ftp: loaded support on port[0] = 21 [ 33.584283] IPVS: ftp: loaded support on port[0] = 21 [ 33.829730] chnl_net:caif_netlink_parms(): no params data found [ 33.873869] chnl_net:caif_netlink_parms(): no params data found [ 33.923114] chnl_net:caif_netlink_parms(): no params data found [ 33.943657] chnl_net:caif_netlink_parms(): no params data found [ 34.007924] chnl_net:caif_netlink_parms(): no params data found [ 34.027350] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.036238] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.045680] device bridge_slave_0 entered promiscuous mode [ 34.063386] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.070633] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.079565] device bridge_slave_1 entered promiscuous mode [ 34.092051] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.100089] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.108425] device bridge_slave_0 entered promiscuous mode [ 34.117009] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.131717] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.140304] device bridge_slave_1 entered promiscuous mode [ 34.183737] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.206336] chnl_net:caif_netlink_parms(): no params data found [ 34.215617] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.222667] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.230398] device bridge_slave_0 entered promiscuous mode [ 34.239445] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.255259] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.263653] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.271366] device bridge_slave_0 entered promiscuous mode [ 34.279273] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.292292] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.304683] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.311827] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.319087] device bridge_slave_1 entered promiscuous mode [ 34.340598] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.347257] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.355876] device bridge_slave_1 entered promiscuous mode [ 34.372919] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.382601] team0: Port device team_slave_0 added [ 34.393676] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.410069] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.418509] team0: Port device team_slave_0 added [ 34.425797] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.436759] team0: Port device team_slave_1 added [ 34.448857] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.470736] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.479609] team0: Port device team_slave_1 added [ 34.485591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.494413] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.501199] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.508530] device bridge_slave_0 entered promiscuous mode [ 34.516130] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.529031] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.536561] team0: Port device team_slave_0 added [ 34.545102] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.553656] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.565867] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.573542] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.581024] device bridge_slave_1 entered promiscuous mode [ 34.588399] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.597120] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.605091] team0: Port device team_slave_1 added [ 34.614459] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.625845] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.643712] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.657001] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.665333] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.675114] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.682811] device bridge_slave_0 entered promiscuous mode [ 34.691491] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.698960] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.706016] device bridge_slave_1 entered promiscuous mode [ 34.713786] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.769193] device hsr_slave_0 entered promiscuous mode [ 34.817895] device hsr_slave_1 entered promiscuous mode [ 34.907547] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.915416] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.936602] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.945298] team0: Port device team_slave_0 added [ 34.955509] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.964024] team0: Port device team_slave_1 added [ 35.019716] device hsr_slave_0 entered promiscuous mode [ 35.047342] device hsr_slave_1 entered promiscuous mode [ 35.097271] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.139050] device hsr_slave_0 entered promiscuous mode [ 35.177363] device hsr_slave_1 entered promiscuous mode [ 35.217684] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.226085] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.234374] team0: Port device team_slave_0 added [ 35.240606] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 35.249738] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.258694] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.265672] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.274276] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.281720] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.289872] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.298481] team0: Port device team_slave_1 added [ 35.304601] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 35.327934] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.349127] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.358049] team0: Port device team_slave_0 added [ 35.363905] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.372761] team0: Port device team_slave_1 added [ 35.389706] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.398070] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.449185] device hsr_slave_0 entered promiscuous mode [ 35.487112] device hsr_slave_1 entered promiscuous mode [ 35.527455] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.535877] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.547151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.566275] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.574298] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.587597] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.595455] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.629712] device hsr_slave_0 entered promiscuous mode [ 35.667310] device hsr_slave_1 entered promiscuous mode [ 35.706926] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.728152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.735939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.745164] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 35.751833] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.760259] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.768585] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.819557] device hsr_slave_0 entered promiscuous mode [ 35.866893] device hsr_slave_1 entered promiscuous mode [ 35.909337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.920835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.931869] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.942139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.950364] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.959541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.969583] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.978922] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.985733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.993335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.002521] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.010617] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.018466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.026083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 36.034464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 36.043820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.058952] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.072254] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 36.089326] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.101917] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.113236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.135152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.142217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 36.151960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.160096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 36.168497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.176222] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.184946] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 36.195179] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.209317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.217809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.228950] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.241493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.250271] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.258070] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 36.278113] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.284860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.292906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.301121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.308584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.327045] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 36.333358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.350051] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.357540] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.369608] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.385460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.393535] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.402766] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.409707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.418339] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.427136] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.433772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.441069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.449635] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.457697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.474457] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.485388] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.493301] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.502734] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.514268] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.521981] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.531732] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.541618] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.549227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.557360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.564914] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.573688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.581689] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.588253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.595274] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.603630] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.611652] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.618192] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.625798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.634306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.642172] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.649258] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.658253] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.664619] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.673663] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.683600] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 36.691894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.701432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.709014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.718003] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.728027] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.739029] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.748717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 36.762168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 36.770229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 36.781101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.790710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.801753] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.810454] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.820658] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.829190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.839933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.848210] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.857473] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.866517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.875399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.884082] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.890893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.898319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 36.906413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 36.914426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.922668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.931844] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.942347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 36.951596] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.962190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.971990] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.979843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.992366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.000966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.009176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.018675] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.025285] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.033381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.042266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.050776] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.057751] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.066346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.076202] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.083916] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 37.093356] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 37.105982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.116865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.124820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.132669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 37.142259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.151169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.161374] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 37.172545] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 37.183257] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.190946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.200441] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 37.209625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 37.219207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.228884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.237963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.246958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.255356] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.262595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.271224] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 37.279495] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.287724] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 37.300145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 37.309720] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.317538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 37.325997] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.333935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 37.342521] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.361437] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 37.370275] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 37.380127] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 37.388893] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 37.397928] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 37.405624] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.412929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.422594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.432781] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.440459] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.447927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.456463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.464996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 37.477294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 37.486126] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.497962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.505434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.514721] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 37.525649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 37.543574] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 37.552948] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 37.584875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.592760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.604870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.616260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 37.625405] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.633625] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.642174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.650735] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.657806] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.666306] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 37.674320] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.684477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.708180] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 37.724779] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.733599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.742866] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.754992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 37.768678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.780002] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 37.793179] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 37.804688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.827292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.843979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 37.853312] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 37.864021] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 37.872481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.889963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.906030] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.912711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.922927] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 37.932245] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 37.942696] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.952529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.973118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.981594] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.992089] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 38.007247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.023989] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 38.036103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 38.044772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.068820] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 38.081863] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 38.091138] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 38.099683] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.107806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 38.116726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.130795] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.145399] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 38.154496] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 38.164498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.177674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.188117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.198475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.207676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.217122] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 38.223211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.240368] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 38.265712] 8021q: adding VLAN 0 to HW filter on device batadv0 2021/04/23 18:30:44 executed programs: 19 [ 286.049382] INFO: task syz-executor.4:6887 blocked for more than 140 seconds. [ 286.057006] Not tainted 4.19.188-syzkaller #0 [ 286.069408] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.077702] syz-executor.4 D28168 6887 5644 0x80000004 [ 286.087397] Call Trace: [ 286.092131] __schedule+0xdb5/0x1d40 [ 286.096214] ? __sched_text_start+0x8/0x8 [ 286.104592] ? rwsem_down_read_failed+0x203/0x3e0 [ 286.111717] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.116420] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.125005] ? rwsem_down_read_failed+0x21c/0x3e0 [ 286.134672] schedule+0x7f/0x1b0 [ 286.138168] rwsem_down_read_failed+0x21c/0x3e0 [ 286.147996] ? rwsem_down_write_failed+0xbe0/0xbe0 [ 286.155121] ? find_held_lock+0x36/0x1d0 [ 286.162855] ? __might_fault+0xf1/0x1b0 [ 286.166955] call_rwsem_down_read_failed+0x18/0x30 [ 286.175260] down_read+0x49/0xb0 [ 286.182203] ? do_exit+0x5fc/0x2cf0 [ 286.185848] do_exit+0x5fc/0x2cf0 [ 286.191730] ? trace_hardirqs_on+0x28/0x190 [ 286.196080] ? mm_update_next_owner+0x680/0x680 [ 286.204797] ? find_held_lock+0x36/0x1d0 [ 286.211280] ? get_signal+0x2c7/0x19e0 [ 286.215239] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.224046] ? get_signal+0x2c7/0x19e0 [ 286.228057] do_group_exit+0xf4/0x2f0 [ 286.234702] get_signal+0x316/0x19e0 [ 286.242085] ? lock_downgrade+0x860/0x860 [ 286.246250] ? call_rwsem_down_write_failed_killable+0x17/0x30 [ 286.254715] do_signal+0x87/0x1960 [ 286.258282] ? vm_mmap_pgoff+0x15a/0x210 [ 286.266297] ? vma_is_stack_for_current+0x90/0x90 [ 286.274181] ? setup_sigcontext+0x7d0/0x7d0 [ 286.282533] ? kvm_clock_get_cycles+0x9/0x10 [ 286.287154] ? ksys_mmap_pgoff+0xa4/0x650 [ 286.295756] ? exit_to_usermode_loop+0x3a/0x200 [ 286.304195] ? do_syscall_64+0x413/0x4e0 [ 286.310552] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.315233] ? exit_to_usermode_loop+0x3a/0x200 [ 286.324443] ? trace_hardirqs_on+0x28/0x190 [ 286.330968] exit_to_usermode_loop+0x114/0x200 [ 286.336443] do_syscall_64+0x413/0x4e0 [ 286.344295] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.351840] RIP: 0033:0x4610d2 [ 286.355061] Code: Bad RIP value. [ 286.362491] RSP: 002b:00007ffcf73cf9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 286.373173] RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00000000004610d2 [ 286.384446] RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 [ 286.394394] RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 [ 286.406345] R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffcf73cfb70 [ 286.415899] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000022000 [ 286.427162] INFO: task syz-executor.4:6893 blocked for more than 140 seconds. [ 286.436773] Not tainted 4.19.188-syzkaller #0 [ 286.446357] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.457215] syz-executor.4 D28200 6893 5644 0x80000004 [ 286.466859] Call Trace: [ 286.471611] __schedule+0xdb5/0x1d40 [ 286.475349] ? __sched_text_start+0x8/0x8 [ 286.483699] ? rwsem_down_read_failed+0x203/0x3e0 [ 286.490792] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.495750] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.504065] ? rwsem_down_read_failed+0x21c/0x3e0 [ 286.511179] schedule+0x7f/0x1b0 [ 286.514575] rwsem_down_read_failed+0x21c/0x3e0 [ 286.523542] ? rwsem_down_write_failed+0xbe0/0xbe0 [ 286.532313] ? find_held_lock+0x36/0x1d0 [ 286.536407] ? __might_fault+0xf1/0x1b0 [ 286.544851] call_rwsem_down_read_failed+0x18/0x30 [ 286.552639] down_read+0x49/0xb0 [ 286.556043] ? do_exit+0x5fc/0x2cf0 [ 286.563692] do_exit+0x5fc/0x2cf0 [ 286.567312] ? mm_update_next_owner+0x680/0x680 [ 286.574532] ? find_held_lock+0x36/0x1d0 [ 286.582275] ? get_signal+0x2c7/0x19e0 [ 286.586182] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.593179] ? get_signal+0x2c7/0x19e0 [ 286.597215] do_group_exit+0xf4/0x2f0 [ 286.608145] get_signal+0x316/0x19e0 [ 286.616690] ? lock_downgrade+0x860/0x860 [ 286.624728] ? kasan_check_read+0x11/0x20 [ 286.631377] do_signal+0x87/0x1960 [ 286.634953] ? fd_install+0x47/0x60 [ 286.642747] ? __do_sys_perf_event_open+0x1599/0x20d0 [ 286.648073] ? setup_sigcontext+0x7d0/0x7d0 [ 286.655116] ? perf_event_set_output+0x430/0x430 [ 286.664207] ? __x64_sys_futex+0x1cb/0x3a0 [ 286.670653] ? exit_to_usermode_loop+0x3a/0x200 [ 286.675643] ? do_syscall_64+0x413/0x4e0 [ 286.683657] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.690594] ? exit_to_usermode_loop+0x3a/0x200 [ 286.695279] ? trace_hardirqs_on+0x28/0x190 [ 286.704255] exit_to_usermode_loop+0x114/0x200 [ 286.711305] do_syscall_64+0x413/0x4e0 [ 286.715210] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.724221] RIP: 0033:0x461089 [ 286.727538] Code: Bad RIP value. [ 286.733441] RSP: 002b:00007f2e03e52218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.744825] RAX: fffffffffffffe00 RBX: 000000000052bf08 RCX: 0000000000461089 [ 286.754322] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000052bf08 [ 286.765287] RBP: 000000000052bf00 R08: 0000000000000000 R09: 0000000000000000 [ 286.775400] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000052bf0c [ 286.786528] R13: 00007ffcf73cfa1f R14: 00007f2e03e52300 R15: 0000000000022000 [ 286.797599] [ 286.797599] Showing all locks held in the system: [ 286.807881] 1 lock held by khungtaskd/1049: [ 286.814991] #0: 00000000b10b0c02 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 286.827313] 1 lock held by in:imklog/5343: [ 286.833637] #0: 00000000900bde55 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 286.845273] 1 lock held by syz-executor.4/6887: [ 286.853160] #0: 0000000035a8543e (&mm->mmap_sem){++++}, at: do_exit+0x5fc/0x2cf0 [ 286.864714] 1 lock held by syz-executor.4/6893: [ 286.871595] #0: 0000000035a8543e (&mm->mmap_sem){++++}, at: do_exit+0x5fc/0x2cf0 [ 286.882873] 2 locks held by syz-executor.4/6904: [ 286.887839] [ 286.892613] ============================================= [ 286.892613] [ 286.903533] NMI backtrace for cpu 1 [ 286.907369] CPU: 1 PID: 1049 Comm: khungtaskd Not tainted 4.19.188-syzkaller #0 [ 286.914802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.924262] Call Trace: [ 286.926871] dump_stack+0x123/0x171 [ 286.930490] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 286.935243] ? lapic_can_unplug_cpu+0x80/0x80 [ 286.939830] nmi_trigger_cpumask_backtrace+0xe6/0x120 [ 286.945015] arch_trigger_cpumask_backtrace+0x14/0x20 [ 286.950199] watchdog+0x5c3/0xb40 [ 286.953741] kthread+0x347/0x410 [ 286.957119] ? hungtask_pm_notify+0x40/0x40 [ 286.961429] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 286.967222] ret_from_fork+0x24/0x30 [ 286.971158] Sending NMI from CPU 1 to CPUs 0: [ 286.975832] NMI backtrace for cpu 0 [ 286.975834] CPU: 0 PID: 6904 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 286.975836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.975837] RIP: 0010:__mutex_lock+0x4f8/0x1200 [ 286.975840] Code: 03 85 f6 0f 84 a7 00 00 00 be 08 00 00 00 4c 89 ef 48 83 e3 fd 48 0b 9d c8 fe ff ff e8 a1 6a 07 fb 4c 89 f8 f0 49 0f b1 5d 00 <49> 39 c7 74 14 49 89 c7 e9 3f fc ff ff 48 8b bd c0 fe ff ff e8 6f [ 286.975841] RSP: 0018:ffff8881cc89f900 EFLAGS: 00000246 [ 286.975844] RAX: 0000000000000000 RBX: ffff8881da294140 RCX: ffffffff8688b5cf [ 286.975845] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881d34895f0 [ 286.975846] RBP: ffff8881cc89fa80 R08: ffffed103a6912bf R09: ffffed103a6912be [ 286.975848] R10: ffffed103a6912be R11: ffff8881d34895f7 R12: fffffbfff1391cdc [ 286.975849] R13: ffff8881d34895f0 R14: ffffffff89c8e6e0 R15: 0000000000000000 [ 286.975851] FS: 00007f2e03e31700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 286.975852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.975854] CR2: 000055f403c9c140 CR3: 00000001dc58c006 CR4: 00000000001606f0 [ 286.975855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.975856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.975857] Call Trace: [ 286.975859] ? perf_mmap+0x65b/0x1670 [ 286.975860] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.975861] ? mutex_lock_io_nested+0x10d0/0x10d0 [ 286.975862] ? kasan_check_write+0x14/0x20 [ 286.975863] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 286.975864] ? wait_for_completion+0x460/0x460 [ 286.975866] ? __mutex_lock+0x2f/0x1200 [ 286.975867] mutex_lock_nested+0x16/0x20 [ 286.975868] ? mutex_lock_nested+0x16/0x20 [ 286.975869] perf_mmap+0x65b/0x1670 [ 286.975870] ? perf_release+0x50/0x50 [ 286.975871] ? memset+0x31/0x40 [ 286.975872] mmap_region+0x9c0/0x14c0 [ 286.975873] ? __x64_sys_brk+0x680/0x680 [ 286.975875] ? get_unmapped_area+0x1bd/0x330 [ 286.975876] do_mmap+0x6b5/0xe90 [ 286.975877] vm_mmap_pgoff+0x195/0x210 [ 286.975878] ? vma_is_stack_for_current+0x90/0x90 [ 286.975879] ? expand_files.part.8+0x700/0x700 [ 286.975880] ? find_held_lock+0x36/0x1d0 [ 286.975881] ksys_mmap_pgoff+0x3c6/0x650 [ 286.975883] ? find_mergeable_anon_vma+0x290/0x290 [ 286.975884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.975885] ? do_syscall_64+0x21/0x4e0 [ 286.975886] __x64_sys_mmap+0xe9/0x1b0 [ 286.975887] do_syscall_64+0xd0/0x4e0 [ 286.975889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.975890] RIP: 0033:0x461089 [ 286.975892] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 286.975893] RSP: 002b:00007f2e03e311a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 286.975896] RAX: ffffffffffffffda RBX: 000000000052bfa8 RCX: 0000000000461089 [ 286.975898] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 286.975899] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000000 [ 286.975900] R10: 0000000000001011 R11: 0000000000000246 R12: 00000000ffffffff [ 286.975902] R13: 00000000004f3488 R14: 00000000004b1b06 R15: 00007f2e03e316bc [ 286.995135] Kernel panic - not syncing: hung_task: blocked tasks [ 287.294758] CPU: 1 PID: 1049 Comm: khungtaskd Not tainted 4.19.188-syzkaller #0 [ 287.302297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.311644] Call Trace: [ 287.314247] dump_stack+0x123/0x171 [ 287.317867] panic+0x1cd/0x375 [ 287.321066] ? __warn_printk+0xd6/0xd6 [ 287.325040] watchdog+0x5d4/0xb40 [ 287.329018] kthread+0x347/0x410 [ 287.332398] ? hungtask_pm_notify+0x40/0x40 [ 287.336707] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 287.342418] ret_from_fork+0x24/0x30 [ 287.348487] Kernel Offset: disabled [ 287.352402] Rebooting in 86400 seconds..