Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.450593] audit: type=1400 audit(1590155613.139:8): avc: denied { execmem } for pid=6107 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.693708] IPVS: ftp: loaded support on port[0] = 21 [ 31.812170] can: request_module (can-proto-0) failed. [ 31.821953] can: request_module (can-proto-0) failed. [ 31.831241] can: request_module (can-proto-0) failed. [ 31.857670] audit: type=1400 audit(1590155614.551:9): avc: denied { create } for pid=6086 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. 2020/05/22 13:53:42 parsed 1 programs 2020/05/22 13:53:42 executed programs: 0 [ 39.706022] audit: type=1400 audit(1590155622.407:10): avc: denied { execmem } for pid=6227 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.995341] IPVS: ftp: loaded support on port[0] = 21 [ 40.802241] IPVS: ftp: loaded support on port[0] = 21 [ 40.855589] chnl_net:caif_netlink_parms(): no params data found [ 40.887101] IPVS: ftp: loaded support on port[0] = 21 [ 40.902495] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.911340] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.918684] device bridge_slave_0 entered promiscuous mode [ 40.927239] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.933603] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.941118] device bridge_slave_1 entered promiscuous mode [ 40.959516] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.969774] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.001861] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.009759] team0: Port device team_slave_0 added [ 41.045324] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.052447] team0: Port device team_slave_1 added [ 41.058908] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.076014] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.083010] chnl_net:caif_netlink_parms(): no params data found [ 41.118273] IPVS: ftp: loaded support on port[0] = 21 [ 41.156523] device hsr_slave_0 entered promiscuous mode [ 41.194117] device hsr_slave_1 entered promiscuous mode [ 41.236748] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.244695] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.321699] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.329323] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.336925] device bridge_slave_0 entered promiscuous mode [ 41.349003] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.355539] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.362360] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.368777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.386534] chnl_net:caif_netlink_parms(): no params data found [ 41.395834] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.402188] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.410087] device bridge_slave_1 entered promiscuous mode [ 41.428000] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.446278] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.475962] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.482949] team0: Port device team_slave_0 added [ 41.496921] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.503332] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.510631] device bridge_slave_0 entered promiscuous mode [ 41.519559] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.526190] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.533017] device bridge_slave_1 entered promiscuous mode [ 41.539580] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.547533] team0: Port device team_slave_1 added [ 41.561181] IPVS: ftp: loaded support on port[0] = 21 [ 41.563866] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.574809] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.596479] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.615770] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.697584] device hsr_slave_0 entered promiscuous mode [ 41.734004] device hsr_slave_1 entered promiscuous mode [ 41.776297] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.809911] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.816409] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.825457] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.835303] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.842592] team0: Port device team_slave_0 added [ 41.855360] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.865833] chnl_net:caif_netlink_parms(): no params data found [ 41.876198] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.883839] team0: Port device team_slave_1 added [ 41.889368] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.897817] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.906349] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.913147] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.946289] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.015647] device hsr_slave_0 entered promiscuous mode [ 42.053495] device hsr_slave_1 entered promiscuous mode [ 42.094275] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.101318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.108739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.121117] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.131334] IPVS: ftp: loaded support on port[0] = 21 [ 42.138073] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.144699] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.156503] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.166031] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.176112] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.196865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.205721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.214008] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.220440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.231904] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.238872] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.246074] device bridge_slave_0 entered promiscuous mode [ 42.252718] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.260161] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.267401] device bridge_slave_1 entered promiscuous mode [ 42.350704] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.360099] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.372488] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.380423] chnl_net:caif_netlink_parms(): no params data found [ 42.404929] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.412165] team0: Port device team_slave_0 added [ 42.418952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.427559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.435717] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.442090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.458669] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.466409] team0: Port device team_slave_1 added [ 42.471918] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.487822] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.497156] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.514487] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.525322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.534501] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.569336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.579453] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.589563] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.596842] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.604526] device bridge_slave_0 entered promiscuous mode [ 42.645187] device hsr_slave_0 entered promiscuous mode [ 42.683150] device hsr_slave_1 entered promiscuous mode [ 42.725286] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.736104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.743992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.751580] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.764353] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.770894] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.779294] device bridge_slave_1 entered promiscuous mode [ 42.792577] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.809118] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.819216] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.837976] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.851882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.860519] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.871675] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.880177] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.889638] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.904690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.912227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.935967] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.950656] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.959805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.967740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.974769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.982408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.993476] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.999575] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.025947] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.032555] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.040162] team0: Port device team_slave_0 added [ 43.046121] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.054146] team0: Port device team_slave_1 added [ 43.059594] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.067336] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.107209] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.114152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.124255] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.168143] device hsr_slave_0 entered promiscuous mode [ 43.222854] device hsr_slave_1 entered promiscuous mode [ 43.263476] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.270370] chnl_net:caif_netlink_parms(): no params data found [ 43.284194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.292067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.300786] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.307206] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.316565] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.330669] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.342349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.355304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.363517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.371185] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.379076] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.385516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.394549] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.405325] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.412421] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.418850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.429379] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.438951] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.446905] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.456231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.464324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.471886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.479636] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.486542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.493372] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.501035] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.514975] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.529393] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.535970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.543789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.550784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.558688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.577158] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.583801] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.590684] device bridge_slave_0 entered promiscuous mode [ 43.598073] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.605081] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.612072] device bridge_slave_1 entered promiscuous mode [ 43.640665] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.647574] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.657002] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.666140] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.677129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.684441] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.699108] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.706917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.716535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.726671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.734712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.742690] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.749151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.757018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.765971] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.774344] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.784763] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.798327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.806625] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.816372] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.822799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.837248] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.845903] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.858658] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.865381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.877268] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.884970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.895441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.903232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.910095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.939696] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.949166] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.957853] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.966776] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.977362] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.985118] team0: Port device team_slave_0 added [ 43.990321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.008748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.019567] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.027262] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.034795] team0: Port device team_slave_1 added [ 44.039887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.048357] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.055626] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.065370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.077257] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.085839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.094757] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.104740] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.114152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.121993] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.129527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.137491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.145576] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.151903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.159492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.168097] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.182398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.189219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.198498] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.214836] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.220933] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.228818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.236263] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.243958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.251643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.260126] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.266641] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.276680] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.290754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.300619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.308465] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.316107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.326264] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.384959] device hsr_slave_0 entered promiscuous mode [ 44.433085] device hsr_slave_1 entered promiscuous mode [ 44.483035] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.491520] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.502324] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.510457] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.518498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.527949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.536572] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.545774] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.554105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.561622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.570612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.578507] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.587732] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.596752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.604283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.611725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.619703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.628251] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.634660] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.641434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.649121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.657695] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.667773] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.684872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.692922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.700577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.709217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.718241] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.727303] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.736403] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.747390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.754946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.767522] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.775652] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.785811] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.796036] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.816892] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.829859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.837825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.849960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.858042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.868343] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.877946] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 2020/05/22 13:53:47 executed programs: 7 [ 44.886173] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.897904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.906249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.918334] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.927388] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.934535] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.952492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.960854] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.985351] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.996883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.005460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.015290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.024575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.036643] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.042870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.052994] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.066917] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.077689] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.085084] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.101871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.109667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.122228] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.144721] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.155996] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.164005] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.170713] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.180296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.188164] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.213442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.220409] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.229009] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.239303] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.249579] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.265513] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.273524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.280408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.290937] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.298573] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.307922] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.315875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.324551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.332810] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.339161] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.346782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.360490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.369009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.377925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.389312] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.395735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.413292] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.420724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.434937] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.445041] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.453021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.461137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.469762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.480291] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.503139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.515134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.524506] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.535107] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.542880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.550638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.560405] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.567612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.577004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.589545] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.597408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.616311] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.624102] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.630316] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.639288] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.650493] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/05/22 13:53:52 executed programs: 38 [ 51.425772] kasan: CONFIG_KASAN_INLINE enabled [ 51.430941] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.438657] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.444876] Modules linked in: [ 51.448048] CPU: 1 PID: 7476 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 [ 51.455999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.465341] task: ffff88808dd04200 task.stack: ffff8880a5020000 [ 51.471500] RIP: 0010:skb_unlink+0xbb/0x160 [ 51.475797] RSP: 0018:ffff8880a5027870 EFLAGS: 00010002 [ 51.481225] RAX: 0000000000000282 RBX: ffff8880a5339e80 RCX: 0000000000000001 [ 51.488824] RDX: dffffc0000000000 RSI: ffff88808dd04ab0 RDI: 0000000000000008 [ 51.496072] RBP: ffff8880a5027898 R08: ffff88808dd04ad0 R09: 000000000000696c [ 51.504811] R10: 0000000000000028 R11: ffff88808dd04200 R12: 0000000000000000 [ 51.512086] R13: 0000000000000000 R14: ffff88808522e8a0 R15: 0000000000000000 [ 51.519426] FS: 00007f0f0c20b700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 51.527634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.533496] CR2: 0000000000000000 CR3: 000000008c8c5000 CR4: 00000000001406e0 [ 51.540742] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.547986] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.555325] Call Trace: [ 51.557891] kcm_recvmsg+0x395/0x570 [ 51.561579] ? free_mux+0x20/0x20 [ 51.565005] ? free_mux+0x20/0x20 [ 51.568435] sock_recvmsg_nosec+0x7b/0xd0 [ 51.573251] ___sys_recvmsg+0x206/0x4d0 [ 51.577209] ? futex_wait_setup+0x2d0/0x2d0 [ 51.581518] ? lock_downgrade+0x7f0/0x7f0 [ 51.585659] ? ___sys_sendmsg+0x920/0x920 [ 51.589869] ? trace_hardirqs_on+0x10/0x10 [ 51.594525] ? trace_hardirqs_off+0x10/0x10 [ 51.598917] ? __fget+0x1ad/0x2f0 [ 51.602428] ? lock_downgrade+0x7f0/0x7f0 [ 51.607416] ? find_held_lock+0x36/0x1d0 [ 51.611469] ? __might_fault+0xf1/0x1b0 [ 51.615592] __sys_recvmmsg+0x20d/0x600 [ 51.620594] ? SyS_recvmsg+0x20/0x20 [ 51.624390] ? find_held_lock+0x36/0x1d0 [ 51.629072] ? __might_fault+0xf1/0x1b0 [ 51.633021] ? lock_downgrade+0x7f0/0x7f0 [ 51.637148] ? kasan_check_read+0x11/0x20 [ 51.641367] SyS_recvmmsg+0x109/0x120 [ 51.645255] ? SyS_clock_gettime+0x115/0x160 [ 51.649740] ? __sys_recvmmsg+0x600/0x600 [ 51.653953] ? move_addr_to_kernel+0x20/0x20 [ 51.658336] ? do_syscall_64+0x4c/0x5b0 [ 51.662284] ? __sys_recvmmsg+0x600/0x600 [ 51.666491] do_syscall_64+0x1c7/0x5b0 [ 51.670365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.675189] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.680376] RIP: 0033:0x45a639 [ 51.683549] RSP: 002b:00007f0f0c20ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 51.691846] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 51.699233] RDX: 0400000000000310 RSI: 0000000020003540 RDI: 0000000000000005 [ 51.706487] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 51.714963] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f0c20b6d4 [ 51.722208] R13: 00000000004c82f0 R14: 00000000004de6e0 R15: 00000000ffffffff [ 51.730435] Code: 00 00 00 49 8d 7d 08 4c 8b 63 08 48 ba 00 00 00 00 00 fc ff df 48 c7 43 08 00 00 00 00 48 89 f9 48 c7 03 00 00 00 00 48 c1 e9 03 <80> 3c 11 00 75 5b 4c 89 e1 4d 89 65 08 48 ba 00 00 00 00 00 fc [ 51.750489] RIP: skb_unlink+0xbb/0x160 RSP: ffff8880a5027870 [ 51.756392] ---[ end trace 38322000d71be59b ]--- [ 51.761216] Kernel panic - not syncing: Fatal exception [ 51.767917] Kernel Offset: disabled [ 51.771670] Rebooting in 86400 seconds..