Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.390557] audit: type=1400 audit(1588303662.167:8): avc: denied { execmem } for pid=6292 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.634647] IPVS: ftp: loaded support on port[0] = 21 [ 31.796424] can: request_module (can-proto-0) failed. [ 31.806259] can: request_module (can-proto-0) failed. [ 31.815585] can: request_module (can-proto-0) failed. [ 31.841685] audit: type=1400 audit(1588303663.619:9): avc: denied { create } for pid=6268 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 '10.128.10.2' (ECDSA) to the list of known hosts. 2020/05/01 03:27:50 parsed 1 programs 2020/05/01 03:27:51 executed programs: 0 [ 39.318755] audit: type=1400 audit(1588303671.104:10): avc: denied { execmem } for pid=6414 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.558489] IPVS: ftp: loaded support on port[0] = 21 [ 40.295702] IPVS: ftp: loaded support on port[0] = 21 [ 40.337538] chnl_net:caif_netlink_parms(): no params data found [ 40.398693] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.406810] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.414654] device bridge_slave_0 entered promiscuous mode [ 40.423441] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.430979] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.438801] IPVS: ftp: loaded support on port[0] = 21 [ 40.438874] device bridge_slave_1 entered promiscuous mode [ 40.463985] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.473281] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.526542] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.534282] team0: Port device team_slave_0 added [ 40.542918] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.551340] team0: Port device team_slave_1 added [ 40.563494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.575261] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.582381] chnl_net:caif_netlink_parms(): no params data found [ 40.618558] IPVS: ftp: loaded support on port[0] = 21 [ 40.641506] device hsr_slave_0 entered promiscuous mode [ 40.667548] device hsr_slave_1 entered promiscuous mode [ 40.708607] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.715953] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.794638] chnl_net:caif_netlink_parms(): no params data found [ 40.814693] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.823297] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.830720] device bridge_slave_0 entered promiscuous mode [ 40.850048] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.856420] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.863874] device bridge_slave_1 entered promiscuous mode [ 40.884369] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.893233] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.916429] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.924716] team0: Port device team_slave_0 added [ 40.931118] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.937648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.944830] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.951212] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.964590] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.972721] team0: Port device team_slave_1 added [ 40.978996] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.986472] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.011926] IPVS: ftp: loaded support on port[0] = 21 [ 41.013323] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.024189] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.033211] device bridge_slave_0 entered promiscuous mode [ 41.040721] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.047339] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.054280] device bridge_slave_1 entered promiscuous mode [ 41.109234] device hsr_slave_0 entered promiscuous mode [ 41.158239] device hsr_slave_1 entered promiscuous mode [ 41.197713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.220232] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.243941] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.295407] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.309402] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.315772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.322414] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.328797] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.350801] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.358693] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.365913] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.373582] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.396120] chnl_net:caif_netlink_parms(): no params data found [ 41.430817] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.438288] team0: Port device team_slave_0 added [ 41.444155] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.452584] team0: Port device team_slave_1 added [ 41.465074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.475242] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.483213] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.509756] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.538671] IPVS: ftp: loaded support on port[0] = 21 [ 41.576861] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.599337] device hsr_slave_0 entered promiscuous mode [ 41.637664] device hsr_slave_1 entered promiscuous mode [ 41.691477] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.697948] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.704906] device bridge_slave_0 entered promiscuous mode [ 41.712283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.720329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.730476] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.738039] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.751023] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.757532] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.763565] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.770165] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.778224] device bridge_slave_1 entered promiscuous mode [ 41.802163] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.810722] chnl_net:caif_netlink_parms(): no params data found [ 41.828418] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.836826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.850971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.859066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.867464] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.873833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.903721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.910649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.920319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.929113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.938205] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.944537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.963088] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.970235] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.977891] team0: Port device team_slave_0 added [ 41.983568] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.991139] team0: Port device team_slave_1 added [ 41.996959] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.022566] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.030797] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.038494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.049107] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.055462] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.062784] device bridge_slave_0 entered promiscuous mode [ 42.070540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.085800] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.097886] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.104255] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.111666] device bridge_slave_1 entered promiscuous mode [ 42.124376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.132278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.144849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.155356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.174737] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.218967] device hsr_slave_0 entered promiscuous mode [ 42.256791] device hsr_slave_1 entered promiscuous mode [ 42.297039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.304793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.312567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.320233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.328208] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.334269] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.346829] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.354640] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.362677] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.373702] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.382353] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.391419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.399225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.407737] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.414061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.421626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.429656] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.447119] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.455708] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.476971] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.484445] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.492823] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.500577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.508911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.516213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.524488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.532384] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.538778] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.584032] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.592019] team0: Port device team_slave_0 added [ 42.599056] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.606068] team0: Port device team_slave_1 added [ 42.612822] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.621338] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.631956] chnl_net:caif_netlink_parms(): no params data found [ 42.640531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.649608] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.658567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.665262] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.673186] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.679373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.687505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.696092] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.715154] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.724204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.733100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.741861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.754193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.763784] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.781736] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.799479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.807460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.814936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.823225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.831261] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.879416] device hsr_slave_0 entered promiscuous mode [ 42.927269] device hsr_slave_1 entered promiscuous mode [ 42.967039] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.974356] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.985376] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.992991] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.008020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.014889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.022320] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.029517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.037551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.045894] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.052252] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.061168] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.078029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.088506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.097686] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.103719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.113145] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.120397] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.127498] device bridge_slave_0 entered promiscuous mode [ 43.136140] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.142573] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.149671] device bridge_slave_1 entered promiscuous mode [ 43.160220] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.167775] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.180327] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.189156] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.205022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.214549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.223445] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.229833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.238005] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.245035] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.254308] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.273447] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.285332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.293563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.301828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.309709] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.316132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.324843] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.338384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.346547] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.355572] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.367232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.374880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.396466] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.411992] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.419835] team0: Port device team_slave_0 added [ 43.425810] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.435512] team0: Port device team_slave_1 added [ 43.446884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.454610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.462365] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.470771] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.487039] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.499818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.508643] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.515153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.523967] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.533944] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.545102] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.566963] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.573711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.582130] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.591683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.599505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.611817] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.628283] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.642616] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.655310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.667381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.679572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.742159] device hsr_slave_0 entered promiscuous mode [ 43.768763] device hsr_slave_1 entered promiscuous mode [ 43.816834] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.823984] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.840434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.849506] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.858784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.867046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.874703] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.881134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.891036] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.899636] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.913907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.924141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.933087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.944478] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.961935] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.968347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.978035] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.992153] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.003930] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.023350] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.034058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.045494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.053970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.062449] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.081486] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.093662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.104058] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.114700] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.128225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.140149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.149207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.159585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.167517] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.173856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.182199] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.190000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.200421] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.209828] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.228106] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.242966] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.263425] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.272079] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.287554] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.295436] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.305770] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.312141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.319622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.327754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.339440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.348331] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.360629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.379153] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready 2020/05/01 03:27:56 executed programs: 14 [ 44.388559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.409292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.422425] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.438334] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.449411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.458166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.465824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.478816] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.491194] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.497982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.512942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.519760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.532933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.546716] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.560675] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.569596] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.577579] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.584477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.592663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.600538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.608712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.617993] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.626458] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.634846] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.643234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.650613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.658213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.666617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.675985] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.682006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.694371] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.702527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.713973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.724635] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.731697] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.740478] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.750325] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.764144] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.781858] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.790399] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.798565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.809540] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.818517] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.825030] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.832253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.840741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.848427] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.854760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.861683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.868544] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.876058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.884479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.892423] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.907715] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.917024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.924371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.938772] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.947243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.956600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.964530] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.973988] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.990139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.998774] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.009219] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.023675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.031879] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.051616] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.059641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.067826] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.082467] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.089240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.108382] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.118681] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.125054] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.134294] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.145162] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/05/01 03:28:01 executed programs: 136 2020/05/01 03:28:06 executed programs: 325 2020/05/01 03:28:11 executed programs: 514 [ 59.537882] [ 59.539534] ===================================== [ 59.544355] WARNING: bad unlock balance detected! [ 59.549210] 4.14.177-syzkaller #0 Not tainted [ 59.553682] ------------------------------------- [ 59.558507] kworker/u4:3/2273 is trying to release lock (&file->mut) at: [ 59.565339] [] ucma_event_handler+0x675/0xf80 [ 59.571556] but there are no more locks to release! [ 59.576563] [ 59.576563] other info that might help us debug this: [ 59.583217] 4 locks held by kworker/u4:3/2273: [ 59.587784] #0: ("ib_addr"){+.+.}, at: [] process_one_work+0x6cd/0x16c0 [ 59.596369] #1: ((&(&req->work)->work)#2){+.+.}, at: [] process_one_work+0x703/0x16c0 [ 59.606079] #2: (&id_priv->handler_mutex){+.+.}, at: [] addr_handler+0x94/0x260 [ 59.615259] #3: (&file->mut){+.+.}, at: [] ucma_event_handler+0xa8/0xf80 [ 59.623930] [ 59.623930] stack backtrace: [ 59.628409] CPU: 0 PID: 2273 Comm: kworker/u4:3 Not tainted 4.14.177-syzkaller #0 [ 59.636006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.645922] Workqueue: ib_addr process_one_req [ 59.650500] Call Trace: [ 59.653495] dump_stack+0xf7/0x13b [ 59.657028] ? ucma_event_handler+0x675/0xf80 [ 59.661536] print_unlock_imbalance_bug.cold.62+0x114/0x123 [ 59.667222] lock_release+0x623/0x830 [ 59.671002] ? ucma_event_handler+0x675/0xf80 [ 59.675471] ? lock_downgrade+0x7f0/0x7f0 [ 59.679596] ? trace_hardirqs_on_caller+0x40c/0x580 [ 59.684687] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 59.689764] __mutex_unlock_slowpath+0x7d/0x7e0 [ 59.694403] ? __wake_up_common+0x580/0x580 [ 59.698702] ? wait_for_completion+0x440/0x440 [ 59.703255] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 59.708694] mutex_unlock+0xd/0x10 [ 59.712208] ucma_event_handler+0x675/0xf80 [ 59.716501] addr_handler+0x197/0x260 [ 59.720293] ? cma_work_handler+0x1b0/0x1b0 [ 59.726843] ? cma_work_handler+0x1b0/0x1b0 [ 59.731136] process_one_req+0x210/0x4d0 [ 59.735181] process_one_work+0x79e/0x16c0 [ 59.739821] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 59.744463] worker_thread+0xcc/0xee0 [ 59.748234] kthread+0x338/0x400 [ 59.752003] ? process_one_work+0x16c0/0x16c0 [ 59.756470] ? kthread_create_on_node+0xa0/0xa0 [ 59.761115] ret_from_fork+0x24/0x30