[ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 28.422060] IPVS: ftp: loaded support on port[0] = 21 [ 29.603617] can: request_module (can-proto-0) failed. [ 29.614011] can: request_module (can-proto-0) failed. [ 29.622116] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2021/01/27 14:12:21 parsed 1 programs 2021/01/27 14:12:21 executed programs: 0 [ 37.035458] IPVS: ftp: loaded support on port[0] = 21 [ 37.824795] IPVS: ftp: loaded support on port[0] = 21 [ 37.889936] chnl_net:caif_netlink_parms(): no params data found [ 37.917075] IPVS: ftp: loaded support on port[0] = 21 [ 37.941966] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.949811] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.957134] device bridge_slave_0 entered promiscuous mode [ 37.971315] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.978030] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.978822] device bridge_slave_1 entered promiscuous mode [ 38.041314] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.053218] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.075545] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.084141] team0: Port device team_slave_0 added [ 38.090545] chnl_net:caif_netlink_parms(): no params data found [ 38.101212] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.109601] team0: Port device team_slave_1 added [ 38.128827] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.130310] IPVS: ftp: loaded support on port[0] = 21 [ 38.135186] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.166142] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.184256] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.191170] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.217362] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.230210] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.246005] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.311004] device hsr_slave_0 entered promiscuous mode [ 38.358166] device hsr_slave_1 entered promiscuous mode [ 38.405818] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.412670] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.420518] device bridge_slave_0 entered promiscuous mode [ 38.427993] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.436883] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.469370] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.475884] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.484538] device bridge_slave_1 entered promiscuous mode [ 38.526775] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.537801] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.559469] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.566476] team0: Port device team_slave_0 added [ 38.581552] chnl_net:caif_netlink_parms(): no params data found [ 38.590711] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.598102] team0: Port device team_slave_1 added [ 38.617884] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.624416] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.651058] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.664729] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.671367] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.698545] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.711078] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.726844] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.729592] IPVS: ftp: loaded support on port[0] = 21 [ 38.820907] device hsr_slave_0 entered promiscuous mode [ 38.857938] device hsr_slave_1 entered promiscuous mode [ 38.906332] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.926742] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.975343] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.982274] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.990823] device bridge_slave_0 entered promiscuous mode [ 39.016014] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.022932] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.031139] device bridge_slave_1 entered promiscuous mode [ 39.043817] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 39.044811] IPVS: ftp: loaded support on port[0] = 21 [ 39.145478] chnl_net:caif_netlink_parms(): no params data found [ 39.155578] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.166629] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.216221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.265994] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.296934] chnl_net:caif_netlink_parms(): no params data found [ 39.321517] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.329202] team0: Port device team_slave_0 added [ 39.336833] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.345421] team0: Port device team_slave_1 added [ 39.361680] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.374408] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.381290] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.393631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.402397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.426221] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.432966] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.440700] device bridge_slave_0 entered promiscuous mode [ 39.447803] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.454347] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.462103] device bridge_slave_1 entered promiscuous mode [ 39.469329] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.477522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.485302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.493214] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.499720] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.507419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.513682] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.539125] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.552582] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.559070] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.585003] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.600764] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.608631] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 39.624509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.642299] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.654994] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.670333] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.678935] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.685382] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.693016] device bridge_slave_0 entered promiscuous mode [ 39.708110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.715984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.724580] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.731075] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.742537] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.750839] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.764230] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.770970] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.778154] device bridge_slave_1 entered promiscuous mode [ 39.840777] device hsr_slave_0 entered promiscuous mode [ 39.867823] device hsr_slave_1 entered promiscuous mode [ 39.919343] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.926574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.940759] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.948510] team0: Port device team_slave_0 added [ 39.978893] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.993322] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.001302] team0: Port device team_slave_1 added [ 40.016026] chnl_net:caif_netlink_parms(): no params data found [ 40.025013] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.050067] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.063012] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.071144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.081349] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.091176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.099559] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.112108] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.118674] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.145280] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.170633] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.180576] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.187824] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.214568] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.225962] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.236087] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.249514] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.257237] team0: Port device team_slave_0 added [ 40.263129] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.271155] team0: Port device team_slave_1 added [ 40.277375] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.312897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.320585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.349939] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.357665] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.364018] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.391055] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.403488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.460275] device hsr_slave_0 entered promiscuous mode [ 40.497430] device hsr_slave_1 entered promiscuous mode [ 40.536926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.544511] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.554513] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.562806] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.569940] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.595849] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.613740] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.621230] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.628493] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.635877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.645445] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.651678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.662204] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.669372] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.676521] device bridge_slave_0 entered promiscuous mode [ 40.683692] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.690154] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.698064] device bridge_slave_1 entered promiscuous mode [ 40.704655] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.712494] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.726324] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.755970] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.768964] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.780157] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.820396] device hsr_slave_0 entered promiscuous mode [ 40.867020] device hsr_slave_1 entered promiscuous mode [ 40.918296] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.925474] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.933135] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.950431] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.957815] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.965530] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.973408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.981522] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.988732] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.009667] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.016803] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.022971] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.047628] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.055635] team0: Port device team_slave_0 added [ 41.066915] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.075402] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.096926] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.104003] team0: Port device team_slave_1 added [ 41.129512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.138220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.145804] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.152724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.159894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.168102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.175690] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.182179] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.189430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.215413] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.227091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.239045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.252200] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.260081] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 41.286917] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.298777] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.305380] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 41.331588] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.345703] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.368675] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.375155] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.383743] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.413766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.422527] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 41.435899] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.470618] device hsr_slave_0 entered promiscuous mode [ 41.506646] device hsr_slave_1 entered promiscuous mode [ 41.562122] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.571239] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.580619] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 41.588266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.595183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.602299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.610036] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.617859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.625787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.634449] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.642475] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.653848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.667221] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.673347] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.681136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.688733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.697255] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.712258] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 41.719921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.727693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.738101] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.755386] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.762110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.770450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.778309] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.784782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.806084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 41.814698] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.825512] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.832112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.843008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.851043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.859015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.868381] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 41.875811] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 41.883422] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 41.895254] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 41.902683] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.925091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.932514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.940047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.949413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.957791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.965426] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.972302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.980513] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.988004] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.001092] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.011244] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.021032] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.029308] device veth0_vlan entered promiscuous mode [ 42.037544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.060178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.068968] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.077593] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.086568] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.092906] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.104416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.113241] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.120450] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.128515] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.135547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.145167] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.155004] device veth1_vlan entered promiscuous mode [ 42.169956] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.177628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.185459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.195143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.203630] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.211868] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.218507] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.225664] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.232668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.242900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.253919] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.268241] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.278595] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.285870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.295162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.303390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.311804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.320053] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.326553] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.333629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.350429] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.363674] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.372260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.381420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.389704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.399831] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.412472] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.421403] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.428348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.437186] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.444626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.453151] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.461893] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.474971] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.483454] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.494576] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 42.503199] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.510431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.520814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.528920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.538412] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.548469] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 42.560134] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.569339] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.576943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.584491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.592800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.600415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.609280] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.618399] device veth0_macvtap entered promiscuous mode [ 42.625137] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 42.634013] device veth1_macvtap entered promiscuous mode [ 42.640296] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 42.647811] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.654170] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.662156] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.669464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.677336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.684675] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.692540] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.700982] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.707267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.717241] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.725161] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.731463] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.739920] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 42.750595] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 42.759219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.768028] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.776842] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.786554] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.796329] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 42.806421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.814048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.823710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.831812] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.838316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.845290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.853626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.861510] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.868227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.875137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.883560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.892125] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.900129] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 42.910103] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 42.917872] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.946357] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.953671] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.961846] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.970769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.978864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.989043] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 42.997245] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.004982] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.015131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.024061] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.030949] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.039123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.047829] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.054600] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.068079] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 43.075180] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 43.082469] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 43.092769] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.107619] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.114104] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.122919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.130548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.141155] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.155948] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 43.164052] device veth0_vlan entered promiscuous mode [ 43.184019] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.190947] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.202361] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.203278] FAULT_INJECTION: forcing a failure. [ 43.203278] name failslab, interval 1, probability 0, space 0, times 1 [ 43.209892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.223390] CPU: 1 PID: 6988 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 43.232847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.236702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.236706] Call Trace: [ 43.236719] dump_stack+0xf7/0x137 [ 43.236729] should_fail.cold.3+0x105/0x144 [ 43.236737] should_failslab+0xba/0xf0 [ 43.236744] kmem_cache_alloc_trace+0x2ea/0x7a0 [ 43.236751] ? __lockdep_init_map+0x105/0x550 [ 43.236762] __kthread_create_on_node+0xe9/0x3a0 [ 43.236768] ? cancel_delayed_work_sync+0x10/0x10 [ 43.236773] ? __kthread_parkme+0x1d0/0x1d0 [ 43.236777] ? cache_grow_end.part.33+0x95/0x170 [ 43.236782] ? lock_downgrade+0x7f0/0x7f0 [ 43.236797] kthread_create_on_node+0x83/0xa0 [ 43.244406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.253172] ? __kthread_create_on_node+0x3a0/0x3a0 [ 43.253183] __alloc_workqueue_key+0x925/0xc80 [ 43.253191] ? mutex_lock_io_nested+0x1380/0x1380 [ 43.253195] ? workqueue_sysfs_register+0x380/0x380 [ 43.253203] ? trace_hardirqs_on+0x10/0x10 [ 43.253208] ? trace_hardirqs_off+0x10/0x10 [ 43.253212] ? lock_downgrade+0x7f0/0x7f0 [ 43.253222] nbd_start_device+0x14d/0xc50 2021/01/27 14:12:27 executed programs: 6 [ 43.258267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.259342] ? security_capable+0x6f/0xa0 [ 43.259354] nbd_ioctl+0x1ae/0xad0 [ 43.259360] ? get_pid_task+0x6e/0x100 [ 43.264292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.267637] ? nbd_add_socket+0x5f0/0x5f0 [ 43.267647] ? __lock_acquire+0x6a4/0x4500 [ 43.267650] ? get_pid_task+0x8b/0x100 [ 43.267659] blkdev_ioctl+0x7d2/0x1770 [ 43.267664] ? blkpg_ioctl+0x8e0/0x8e0 [ 43.267671] ? trace_hardirqs_on+0x10/0x10 [ 43.267676] ? trace_hardirqs_off+0x10/0x10 [ 43.267700] ? __f_unlock_pos+0xd/0x10 [ 43.267710] block_ioctl+0xd7/0x130 [ 43.273021] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.276867] do_vfs_ioctl+0x180/0xfb0 [ 43.276873] ? __fget+0x1ad/0x2f0 [ 43.276879] ? lock_downgrade+0x7f0/0x7f0 [ 43.276884] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.276892] ? __fget+0x1ca/0x2f0 [ 43.276899] ? __fget_light+0x166/0x200 [ 43.276904] ? SyS_read+0x250/0x250 [ 43.276911] SyS_ioctl+0x74/0x80 [ 43.276917] ? do_vfs_ioctl+0xfb0/0xfb0 [ 43.282560] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.286619] do_syscall_64+0x1c7/0x5b0 [ 43.286624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.286635] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.286640] RIP: 0033:0x45b3c9 [ 43.286643] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.286650] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 43.286653] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 43.286656] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 43.286658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 43.286661] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 43.303091] block nbd3: Could not allocate knbd recv work queue. [ 43.316035] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 43.339296] block nbd3: shutting down sockets [ 43.346862] device veth1_vlan entered promiscuous mode [ 43.412237] FAULT_INJECTION: forcing a failure. [ 43.412237] name failslab, interval 1, probability 0, space 0, times 0 [ 43.426979] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 43.431553] CPU: 1 PID: 6995 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 43.434265] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.436556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.436559] Call Trace: [ 43.436577] dump_stack+0xf7/0x137 [ 43.436587] should_fail.cold.3+0x105/0x144 [ 43.436597] should_failslab+0xba/0xf0 [ 43.436603] kmem_cache_alloc+0x47/0x790 [ 43.436611] ? trace_hardirqs_on+0x10/0x10 [ 43.436615] ? lock_downgrade+0x7f0/0x7f0 [ 43.436623] __debug_object_init+0x65c/0xa10 [ 43.436631] ? debug_object_destroy+0x2b0/0x2b0 [ 43.436636] ? debug_check_no_obj_freed+0x2f0/0x930 [ 43.436642] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 43.436650] debug_object_init_on_stack+0x19/0x20 [ 43.436656] schedule_hrtimeout_range_clock+0xb3/0x2f0 [ 43.436662] ? hrtimer_nanosleep_restart+0x130/0x130 [ 43.436669] ? mark_held_locks+0xc7/0x130 [ 43.436674] ? lock_downgrade+0x7f0/0x7f0 [ 43.436679] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 43.436686] ? trace_hardirqs_on_caller+0x40c/0x580 [ 43.436694] schedule_hrtimeout+0x12/0x20 [ 43.436701] wait_task_inactive+0x49b/0x560 [ 43.436709] ? migrate_swap+0x470/0x470 [ 43.436724] ? __kthread_create_on_node+0x3a0/0x3a0 [ 43.436732] __kthread_bind_mask+0x19/0xa0 [ 43.436738] kthread_bind_mask+0xe/0x10 [ 43.436743] __alloc_workqueue_key+0x98b/0xc80 [ 43.452513] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.456090] ? mutex_lock_io_nested+0x1380/0x1380 [ 43.456097] ? workqueue_sysfs_register+0x380/0x380 [ 43.456105] ? trace_hardirqs_on+0x10/0x10 [ 43.456110] ? trace_hardirqs_off+0x10/0x10 [ 43.456115] ? lock_downgrade+0x7f0/0x7f0 [ 43.468359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.471533] nbd_start_device+0x14d/0xc50 [ 43.471541] ? security_capable+0x6f/0xa0 [ 43.480049] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.487790] nbd_ioctl+0x1ae/0xad0 [ 43.487797] ? get_pid_task+0x6e/0x100 [ 43.487803] ? nbd_add_socket+0x5f0/0x5f0 [ 43.487813] ? __lock_acquire+0x6a4/0x4500 [ 43.487816] ? get_pid_task+0x8b/0x100 [ 43.487825] blkdev_ioctl+0x7d2/0x1770 [ 43.487829] ? blkpg_ioctl+0x8e0/0x8e0 [ 43.487836] ? trace_hardirqs_on+0x10/0x10 [ 43.487842] ? trace_hardirqs_off+0x10/0x10 [ 43.487850] ? __f_unlock_pos+0xd/0x10 [ 43.501413] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.502474] block_ioctl+0xd7/0x130 [ 43.502483] do_vfs_ioctl+0x180/0xfb0 [ 43.512338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.517307] ? __fget+0x1ad/0x2f0 [ 43.517314] ? lock_downgrade+0x7f0/0x7f0 [ 43.517321] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.517329] ? __fget+0x1ca/0x2f0 [ 43.517337] ? __fget_light+0x166/0x200 [ 43.517342] ? SyS_read+0x250/0x250 [ 43.517348] SyS_ioctl+0x74/0x80 [ 43.517353] ? do_vfs_ioctl+0xfb0/0xfb0 [ 43.517361] do_syscall_64+0x1c7/0x5b0 [ 43.530628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.530879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.540197] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.542275] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.542282] RIP: 0033:0x45b3c9 [ 43.551498] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.558840] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.558848] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 43.558850] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 43.558853] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 43.558856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 43.558858] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 43.935030] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.946208] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.954620] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.963936] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 43.974850] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 43.983832] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.992418] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.999899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.008177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.016207] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.022683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.033812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.043906] block nbd3: Receive control failed (result -107) [ 44.044672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.050645] block nbd3: Receive control failed (result -107) [ 44.061598] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.069455] block nbd3: shutting down sockets [ 44.069624] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.081468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.089374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.097812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.108123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.116104] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.124240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.132671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.140334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.148042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.156418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.161822] FAULT_INJECTION: forcing a failure. [ 44.161822] name failslab, interval 1, probability 0, space 0, times 0 [ 44.163975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.179556] CPU: 1 PID: 7010 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 44.182879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.190453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.190457] Call Trace: [ 44.190471] dump_stack+0xf7/0x137 [ 44.190482] should_fail.cold.3+0x105/0x144 [ 44.190492] should_failslab+0xba/0xf0 [ 44.190498] kmem_cache_alloc_trace+0x2ea/0x7a0 [ 44.190504] ? __lockdep_init_map+0x105/0x550 [ 44.190515] __kthread_create_on_node+0xe9/0x3a0 [ 44.190521] ? cancel_delayed_work_sync+0x10/0x10 [ 44.190527] ? __kthread_parkme+0x1d0/0x1d0 [ 44.198045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.206977] ? __lock_is_held+0xb5/0x140 [ 44.206995] kthread_create_on_node+0x83/0xa0 [ 44.207000] ? __kthread_create_on_node+0x3a0/0x3a0 [ 44.207010] __alloc_workqueue_key+0x925/0xc80 [ 44.210095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.213316] ? mutex_lock_io_nested+0x1380/0x1380 [ 44.218145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.221691] ? workqueue_sysfs_register+0x380/0x380 [ 44.226876] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.231019] ? trace_hardirqs_on+0x10/0x10 [ 44.236222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.240698] ? trace_hardirqs_off+0x10/0x10 [ 44.317093] ? lock_downgrade+0x7f0/0x7f0 [ 44.321228] nbd_start_device+0x14d/0xc50 [ 44.325357] ? security_capable+0x6f/0xa0 [ 44.329498] nbd_ioctl+0x1ae/0xad0 [ 44.333120] ? get_pid_task+0x6e/0x100 [ 44.337174] ? nbd_add_socket+0x5f0/0x5f0 [ 44.341318] ? __lock_acquire+0x6a4/0x4500 [ 44.345531] ? get_pid_task+0x8b/0x100 [ 44.349401] blkdev_ioctl+0x7d2/0x1770 [ 44.353268] ? blkpg_ioctl+0x8e0/0x8e0 [ 44.357264] ? trace_hardirqs_on+0x10/0x10 [ 44.361491] ? trace_hardirqs_off+0x10/0x10 [ 44.366233] ? __f_unlock_pos+0xd/0x10 [ 44.370309] block_ioctl+0xd7/0x130 [ 44.373941] do_vfs_ioctl+0x180/0xfb0 [ 44.377741] ? __fget+0x1ad/0x2f0 [ 44.381339] ? lock_downgrade+0x7f0/0x7f0 [ 44.385489] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.390324] ? __fget+0x1ca/0x2f0 [ 44.393760] ? __fget_light+0x166/0x200 [ 44.397717] ? SyS_read+0x250/0x250 [ 44.401328] SyS_ioctl+0x74/0x80 [ 44.404760] ? do_vfs_ioctl+0xfb0/0xfb0 [ 44.408807] do_syscall_64+0x1c7/0x5b0 [ 44.413054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.417923] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.423315] RIP: 0033:0x45b3c9 [ 44.426608] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.434401] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 44.441746] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 44.449096] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 44.456863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 44.464212] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 44.480595] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.489184] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.501186] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 44.503310] block nbd3: Could not allocate knbd recv work queue. [ 44.517804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.525101] block nbd3: shutting down sockets [ 44.530621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.539431] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.557832] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.574011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.584698] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.592651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.600683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.609236] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 44.618975] device veth0_macvtap entered promiscuous mode [ 44.624976] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 44.634600] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.641099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.649788] FAULT_INJECTION: forcing a failure. [ 44.649788] name failslab, interval 1, probability 0, space 0, times 0 [ 44.650297] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 44.661941] CPU: 1 PID: 7023 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 44.668886] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 44.675772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.675775] Call Trace: [ 44.675788] dump_stack+0xf7/0x137 [ 44.675799] should_fail.cold.3+0x105/0x144 [ 44.675808] should_failslab+0xba/0xf0 [ 44.675814] kmem_cache_alloc+0x2cf/0x790 [ 44.675822] ? trace_hardirqs_off+0x10/0x10 [ 44.675831] __kernfs_new_node+0x63/0x470 [ 44.675838] kernfs_new_node+0x5e/0xe0 [ 44.682779] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 44.691503] __kernfs_create_file+0x38/0x2d0 [ 44.691511] sysfs_add_file_mode_ns+0x201/0x440 [ 44.691519] sysfs_create_file_ns+0x6c/0xb0 [ 44.691525] device_create_file+0xa1/0x110 [ 44.691534] nbd_start_device+0x39b/0xc50 [ 44.696760] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 44.697665] ? security_capable+0x6f/0xa0 [ 44.703580] device veth0_vlan entered promiscuous mode [ 44.705848] nbd_ioctl+0x1ae/0xad0 [ 44.705854] ? get_pid_task+0x6e/0x100 [ 44.705860] ? nbd_add_socket+0x5f0/0x5f0 [ 44.705869] ? __lock_acquire+0x6a4/0x4500 [ 44.705874] ? get_pid_task+0x8b/0x100 [ 44.713805] device veth1_vlan entered promiscuous mode [ 44.714329] blkdev_ioctl+0x7d2/0x1770 [ 44.719057] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 44.722343] ? blkpg_ioctl+0x8e0/0x8e0 [ 44.730708] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 44.732880] ? trace_hardirqs_on+0x10/0x10 [ 44.742113] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 44.746160] ? trace_hardirqs_off+0x10/0x10 [ 44.746168] ? __f_unlock_pos+0xd/0x10 [ 44.746178] block_ioctl+0xd7/0x130 [ 44.746185] do_vfs_ioctl+0x180/0xfb0 [ 44.746190] ? __fget+0x1ad/0x2f0 [ 44.752761] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 44.756987] ? lock_downgrade+0x7f0/0x7f0 [ 44.756994] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.757002] ? __fget+0x1ca/0x2f0 [ 44.757009] ? __fget_light+0x166/0x200 [ 44.757013] ? SyS_read+0x250/0x250 [ 44.757020] SyS_ioctl+0x74/0x80 [ 44.762959] device veth0_macvtap entered promiscuous mode [ 44.766545] ? do_vfs_ioctl+0xfb0/0xfb0 [ 44.766553] do_syscall_64+0x1c7/0x5b0 [ 44.766557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.766568] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.766572] RIP: 0033:0x45b3c9 [ 44.766577] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 [ 44.770717] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 44.774155] ORIG_RAX: 0000000000000010 [ 44.780241] device veth1_macvtap entered promiscuous mode [ 44.782792] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 44.787380] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 44.792008] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 44.798280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 44.802335] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 44.809770] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 44.813068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 44.819031] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.824114] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 44.828475] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.851364] block nbd3: device_create_file failed! [ 44.859055] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 44.862878] block nbd3: shutting down sockets [ 44.865449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.949458] FAULT_INJECTION: forcing a failure. [ 44.949458] name failslab, interval 1, probability 0, space 0, times 0 [ 45.042213] CPU: 0 PID: 7029 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 45.042239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.050098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.050101] Call Trace: [ 45.050118] dump_stack+0xf7/0x137 [ 45.050128] should_fail.cold.3+0x105/0x144 [ 45.050136] should_failslab+0xba/0xf0 [ 45.050143] kmem_cache_alloc_trace+0x2ea/0x7a0 [ 45.050149] ? __lockdep_init_map+0x105/0x550 [ 45.050160] __kthread_create_on_node+0xe9/0x3a0 [ 45.050166] ? cancel_delayed_work_sync+0x10/0x10 [ 45.050171] ? __kthread_parkme+0x1d0/0x1d0 [ 45.050174] ? __lock_is_held+0xb5/0x140 [ 45.050190] kthread_create_on_node+0x83/0xa0 [ 45.058979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.066831] ? __kthread_create_on_node+0x3a0/0x3a0 [ 45.066843] __alloc_workqueue_key+0x925/0xc80 [ 45.066851] ? mutex_lock_io_nested+0x1380/0x1380 [ 45.066856] ? workqueue_sysfs_register+0x380/0x380 [ 45.066862] ? trace_hardirqs_on+0x10/0x10 [ 45.066867] ? trace_hardirqs_off+0x10/0x10 [ 45.066871] ? lock_downgrade+0x7f0/0x7f0 [ 45.066888] nbd_start_device+0x14d/0xc50 [ 45.069809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.073087] ? security_capable+0x6f/0xa0 [ 45.078671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.081399] nbd_ioctl+0x1ae/0xad0 [ 45.086488] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.090978] ? get_pid_task+0x6e/0x100 [ 45.096136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.100656] ? nbd_add_socket+0x5f0/0x5f0 [ 45.105473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.109265] ? __lock_acquire+0x6a4/0x4500 [ 45.114145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.121140] ? get_pid_task+0x8b/0x100 [ 45.121153] blkdev_ioctl+0x7d2/0x1770 [ 45.121158] ? blkpg_ioctl+0x8e0/0x8e0 [ 45.121166] ? trace_hardirqs_on+0x10/0x10 [ 45.121171] ? trace_hardirqs_off+0x10/0x10 [ 45.121178] ? __f_unlock_pos+0xd/0x10 [ 45.121188] block_ioctl+0xd7/0x130 [ 45.121195] do_vfs_ioctl+0x180/0xfb0 [ 45.121199] ? __fget+0x1ad/0x2f0 [ 45.121204] ? lock_downgrade+0x7f0/0x7f0 [ 45.121208] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.121216] ? __fget+0x1ca/0x2f0 [ 45.126812] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.130927] ? __fget_light+0x166/0x200 [ 45.130941] ? SyS_read+0x250/0x250 [ 45.130948] SyS_ioctl+0x74/0x80 [ 45.130954] ? do_vfs_ioctl+0xfb0/0xfb0 [ 45.136418] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.140922] do_syscall_64+0x1c7/0x5b0 [ 45.145550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.149580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.154350] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.157951] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.157956] RIP: 0033:0x45b3c9 [ 45.157959] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.157964] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 45.157967] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 45.157969] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 45.157971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 45.157973] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 45.183417] block nbd3: Could not allocate knbd recv work queue. [ 45.187871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.390334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.397519] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.407923] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.415165] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 45.424052] device veth1_macvtap entered promiscuous mode [ 45.434394] block nbd3: shutting down sockets [ 45.435776] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 45.450300] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.461211] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 45.471158] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.503621] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 45.513197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 45.526838] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.532637] FAULT_INJECTION: forcing a failure. [ 45.532637] name failslab, interval 1, probability 0, space 0, times 0 [ 45.535203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.547703] CPU: 1 PID: 7039 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 45.556948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.560983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.568852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.577731] Call Trace: [ 45.577747] dump_stack+0xf7/0x137 [ 45.577757] should_fail.cold.3+0x105/0x144 [ 45.577765] should_failslab+0xba/0xf0 [ 45.577772] kmem_cache_alloc+0x2cf/0x790 [ 45.577778] ? trace_hardirqs_off+0x10/0x10 [ 45.577787] __kernfs_new_node+0x63/0x470 [ 45.577863] kernfs_new_node+0x5e/0xe0 [ 45.616341] __kernfs_create_file+0x38/0x2d0 [ 45.620910] sysfs_add_file_mode_ns+0x201/0x440 [ 45.625840] sysfs_create_file_ns+0x6c/0xb0 [ 45.630140] device_create_file+0xa1/0x110 [ 45.634355] nbd_start_device+0x39b/0xc50 [ 45.638499] ? security_capable+0x6f/0xa0 [ 45.642646] nbd_ioctl+0x1ae/0xad0 [ 45.646254] ? get_pid_task+0x6e/0x100 [ 45.650136] ? nbd_add_socket+0x5f0/0x5f0 [ 45.654263] ? __lock_acquire+0x6a4/0x4500 [ 45.658481] ? get_pid_task+0x8b/0x100 [ 45.662347] blkdev_ioctl+0x7d2/0x1770 [ 45.666301] ? blkpg_ioctl+0x8e0/0x8e0 [ 45.670177] ? trace_hardirqs_on+0x10/0x10 [ 45.674387] ? trace_hardirqs_off+0x10/0x10 [ 45.678686] ? __f_unlock_pos+0xd/0x10 [ 45.682554] block_ioctl+0xd7/0x130 [ 45.686166] do_vfs_ioctl+0x180/0xfb0 [ 45.689955] ? __fget+0x1ad/0x2f0 [ 45.693392] ? lock_downgrade+0x7f0/0x7f0 [ 45.697650] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.702140] ? __fget+0x1ca/0x2f0 [ 45.705655] ? __fget_light+0x166/0x200 [ 45.709620] ? SyS_read+0x250/0x250 [ 45.713313] SyS_ioctl+0x74/0x80 [ 45.716840] ? do_vfs_ioctl+0xfb0/0xfb0 [ 45.720888] do_syscall_64+0x1c7/0x5b0 [ 45.724751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.729580] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.734762] RIP: 0033:0x45b3c9 [ 45.737949] RSP: 002b:00007f55e45e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.745737] RAX: ffffffffffffffda RBX: 00007f55e45e16d4 RCX: 000000000045b3c9 [ 45.753000] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 45.760445] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 45.767707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 45.774958] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 45.798337] block nbd3: device_create_file failed! [ 45.804264] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.804359] block nbd3: shutting down sockets [ 45.821801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 45.860317] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.885396] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.892162] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.903866] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 45.916687] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.917948] FAULT_INJECTION: forcing a failure. [ 45.917948] name failslab, interval 1, probability 0, space 0, times 0 [ 45.926178] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 45.940081] CPU: 1 PID: 7050 Comm: syz-executor.3 Not tainted 4.14.217-syzkaller #0 [ 45.952216] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.955075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.955078] Call Trace: [ 45.955092] dump_stack+0xf7/0x137 [ 45.955102] should_fail.cold.3+0x105/0x144 [ 45.955111] should_failslab+0xba/0xf0 [ 45.955118] kmem_cache_alloc+0x2cf/0x790 [ 45.955125] ? trace_hardirqs_off+0x10/0x10 [ 45.955134] __kernfs_new_node+0x63/0x470 [ 45.955141] kernfs_new_node+0x5e/0xe0 [ 45.967946] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 45.974330] __kernfs_create_file+0x38/0x2d0 [ 45.977679] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.980531] sysfs_add_file_mode_ns+0x201/0x440 [ 45.980540] sysfs_create_file_ns+0x6c/0xb0 [ 45.980547] device_create_file+0xa1/0x110 [ 45.990070] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.993190] nbd_start_device+0x39b/0xc50 [ 45.993196] ? security_capable+0x6f/0xa0 [ 45.993205] nbd_ioctl+0x1ae/0xad0 [ 46.051633] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 46.055008] ? get_pid_task+0x6e/0x100 [ 46.055017] ? nbd_add_socket+0x5f0/0x5f0 [ 46.055027] ? __lock_acquire+0x6a4/0x4500 [ 46.055030] ? get_pid_task+0x8b/0x100 [ 46.055039] blkdev_ioctl+0x7d2/0x1770 [ 46.066562] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 46.070176] ? blkpg_ioctl+0x8e0/0x8e0 [ 46.070187] ? trace_hardirqs_on+0x10/0x10 [ 46.070192] ? trace_hardirqs_off+0x10/0x10 [ 46.070201] ? __f_unlock_pos+0xd/0x10 [ 46.103019] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 46.105515] block_ioctl+0xd7/0x130 [ 46.105523] do_vfs_ioctl+0x180/0xfb0 [ 46.105528] ? __fget+0x1ad/0x2f0 [ 46.105535] ? lock_downgrade+0x7f0/0x7f0 [ 46.105540] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.112828] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 46.115647] ? __fget+0x1ca/0x2f0 [ 46.115656] ? __fget_light+0x166/0x200 [ 46.115661] ? SyS_read+0x250/0x250 [ 46.115668] SyS_ioctl+0x74/0x80 [ 46.115674] ? do_vfs_ioctl+0xfb0/0xfb0 [ 46.115680] do_syscall_64+0x1c7/0x5b0 [ 46.115685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.115696] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.115701] RIP: 0033:0x45b3c9 [ 46.115706] RSP: 002b:00007f55e4601c78 EFLAGS: 00000246 [ 46.124208] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 46.127065] ORIG_RAX: 0000000000000010 [ 46.127069] RAX: ffffffffffffffda RBX: 00007f55e46026d4 RCX: 000000000045b3c9 [ 46.127072] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.127075] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 46.127078] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 46.127080] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 46.133334] FAULT_INJECTION: forcing a failure. [ 46.133334] name failslab, interval 1, probability 0, space 0, times 0 [ 46.157975] block nbd3: device_create_file failed! [ 46.163020] CPU: 1 PID: 7061 Comm: syz-executor.1 Not tainted 4.14.217-syzkaller #0 [ 46.169400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.170983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.170986] Call Trace: [ 46.170999] dump_stack+0xf7/0x137 [ 46.171010] should_fail.cold.3+0x105/0x144 [ 46.171020] should_failslab+0xba/0xf0 [ 46.171027] kmem_cache_alloc_trace+0x2ea/0x7a0 [ 46.171034] ? __lockdep_init_map+0x105/0x550 [ 46.175094] block nbd3: shutting down sockets [ 46.179949] __kthread_create_on_node+0xe9/0x3a0 [ 46.179958] ? cancel_delayed_work_sync+0x10/0x10 [ 46.179963] ? __kthread_parkme+0x1d0/0x1d0 [ 46.179968] ? __lock_is_held+0xb5/0x140 [ 46.179983] kthread_create_on_node+0x83/0xa0 [ 46.192076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.197690] ? __kthread_create_on_node+0x3a0/0x3a0 [ 46.197701] __alloc_workqueue_key+0x925/0xc80 [ 46.197712] ? mutex_lock_io_nested+0x1380/0x1380 [ 46.197717] ? workqueue_sysfs_register+0x380/0x380 [ 46.197725] ? trace_hardirqs_on+0x10/0x10 [ 46.197730] ? trace_hardirqs_off+0x10/0x10 [ 46.197733] ? lock_downgrade+0x7f0/0x7f0 [ 46.197745] nbd_start_device+0x14d/0xc50 [ 46.197752] ? security_capable+0x6f/0xa0 [ 46.197760] nbd_ioctl+0x1ae/0xad0 [ 46.197764] ? get_pid_task+0x6e/0x100 [ 46.197770] ? nbd_add_socket+0x5f0/0x5f0 [ 46.197778] ? __lock_acquire+0x6a4/0x4500 [ 46.210246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.212535] ? get_pid_task+0x8b/0x100 [ 46.212547] blkdev_ioctl+0x7d2/0x1770 [ 46.212553] ? blkpg_ioctl+0x8e0/0x8e0 [ 46.212562] ? trace_hardirqs_on+0x10/0x10 [ 46.212575] ? trace_hardirqs_off+0x10/0x10 [ 46.212583] ? __f_unlock_pos+0xd/0x10 [ 46.212592] block_ioctl+0xd7/0x130 [ 46.223423] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.227848] do_vfs_ioctl+0x180/0xfb0 [ 46.227854] ? __fget+0x1ad/0x2f0 [ 46.227861] ? lock_downgrade+0x7f0/0x7f0 [ 46.227867] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.227876] ? __fget+0x1ca/0x2f0 [ 46.227882] ? __fget_light+0x166/0x200 [ 46.227887] ? SyS_read+0x250/0x250 [ 46.227894] SyS_ioctl+0x74/0x80 [ 46.227899] ? do_vfs_ioctl+0xfb0/0xfb0 [ 46.227906] do_syscall_64+0x1c7/0x5b0 [ 46.227910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.227922] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.227926] RIP: 0033:0x45b3c9 [ 46.227929] RSP: 002b:00007fc24cdbdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.245412] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 46.252345] RAX: ffffffffffffffda RBX: 00007fc24cdbe6d4 RCX: 000000000045b3c9 [ 46.261058] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.269130] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.269133] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 46.269136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 46.269138] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 46.282351] block nbd1: Could not allocate knbd recv work queue. [ 46.294327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 46.314188] block nbd1: shutting down sockets [ 46.327235] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.579167] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 46.588950] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.598467] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 46.611232] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 46.618558] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.627050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.635454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.642813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.653501] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 46.661749] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 46.668999] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 46.678826] device veth0_vlan entered promiscuous mode [ 46.686158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.693203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.702958] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 46.713480] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 46.723554] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.731372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.740072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.748079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.755999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.766045] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.779324] device veth0_vlan entered promiscuous mode [ 46.788959] device veth1_vlan entered promiscuous mode [ 46.797570] device veth1_vlan entered promiscuous mode [ 46.803644] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 46.813260] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 46.820886] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 46.829194] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 46.839831] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 46.852580] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 46.862282] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 46.870329] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.879190] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.888523] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.896473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.904423] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.911829] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.920541] device veth0_vlan entered promiscuous mode [ 46.929126] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 46.938491] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 46.949189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.957490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.967261] device veth0_macvtap entered promiscuous mode [ 46.973816] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 46.985029] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 46.992305] device veth1_macvtap entered promiscuous mode [ 46.998800] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 47.007013] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.014371] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.021750] FAULT_INJECTION: forcing a failure. [ 47.021750] name failslab, interval 1, probability 0, space 0, times 0 [ 47.022487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.037871] CPU: 1 PID: 7099 Comm: syz-executor.0 Not tainted 4.14.217-syzkaller #0 [ 47.041253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.048228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.048232] Call Trace: [ 47.048247] dump_stack+0xf7/0x137 [ 47.048257] should_fail.cold.3+0x105/0x144 [ 47.048265] should_failslab+0xba/0xf0 [ 47.048273] kmem_cache_alloc_node_trace+0x279/0x780 [ 47.048278] ? blk_mq_unregister_hctx.part.1+0xd3/0x120 [ 47.048287] __kmalloc_node+0x3c/0x70 [ 47.048294] blk_mq_realloc_hw_ctxs+0x19a/0xe40 [ 47.048298] ? blk_mq_map_queues+0x90/0x2f0 [ 47.048303] ? trace_raw_output_rcu_utilization+0xb0/0xb0 [ 47.048315] blk_mq_update_nr_hw_queues+0x1ca/0x390 [ 47.057906] device veth0_macvtap entered promiscuous mode [ 47.065495] nbd_start_device+0x1b6/0xc50 [ 47.065502] ? security_capable+0x6f/0xa0 [ 47.065510] nbd_ioctl+0x1ae/0xad0 [ 47.065515] ? get_pid_task+0x6e/0x100 [ 47.065521] ? nbd_add_socket+0x5f0/0x5f0 [ 47.065531] ? __lock_acquire+0x6a4/0x4500 [ 47.068879] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 47.071745] ? get_pid_task+0x8b/0x100 [ 47.078012] device veth1_macvtap entered promiscuous mode [ 47.080155] blkdev_ioctl+0x7d2/0x1770 [ 47.086010] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 47.090840] ? blkpg_ioctl+0x8e0/0x8e0 [ 47.096977] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 47.099376] ? trace_hardirqs_on+0x10/0x10 [ 47.106218] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 47.109505] ? trace_hardirqs_off+0x10/0x10 [ 47.116201] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 47.121103] ? __f_unlock_pos+0xd/0x10 [ 47.125277] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.129374] block_ioctl+0xd7/0x130 [ 47.132910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 47.136775] do_vfs_ioctl+0x180/0xfb0 [ 47.136780] ? __fget+0x1ad/0x2f0 [ 47.136786] ? lock_downgrade+0x7f0/0x7f0 [ 47.136791] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.136799] ? __fget+0x1ca/0x2f0 [ 47.136806] ? __fget_light+0x166/0x200 [ 47.140943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.145156] ? SyS_read+0x250/0x250 [ 47.145163] SyS_ioctl+0x74/0x80 [ 47.145169] ? do_vfs_ioctl+0xfb0/0xfb0 [ 47.145174] do_syscall_64+0x1c7/0x5b0 [ 47.145179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.145190] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.151499] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 47.155356] RIP: 0033:0x45b3c9 [ 47.155360] RSP: 002b:00007f2a62482c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.155366] RAX: ffffffffffffffda RBX: 00007f2a624836d4 RCX: 000000000045b3c9 [ 47.155369] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 47.155371] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.155374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 47.155376] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 47.177214] BUG: unable to handle kernel [ 47.187190] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.188349] NULL pointer dereference at 0000000000000120 [ 47.188364] IP: blk_mq_map_swqueue+0x23a/0xa90 [ 47.188367] PGD 1d6ba2067 [ 47.196510] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 47.200035] P4D 1d6ba2067 PUD 1d6bef067 PMD 0 [ 47.200045] Oops: 0002 [#1] PREEMPT SMP KASAN [ 47.200050] Modules linked in: [ 47.209861] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.213637] CPU: 1 PID: 7099 Comm: syz-executor.0 Not tainted 4.14.217-syzkaller #0 [ 47.213640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.213643] task: ffff8881d4ebc4c0 task.stack: ffff8881d6368000 [ 47.213654] RIP: 0010:blk_mq_map_swqueue+0x23a/0xa90 [ 47.434021] RSP: 0018:ffff8881d636f9e0 EFLAGS: 00010293 [ 47.440079] RAX: ffff8881ed284988 RBX: 0000000000000007 RCX: ffffe8ffffd30640 [ 47.447433] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.455085] RBP: ffff8881d636fa58 R08: 0000000000000001 R09: 0000000000000001 [ 47.462625] R10: ffff8881ed284980 R11: ffff8881ed284a40 R12: ffff8881ed28bd00 [ 47.469905] R13: fffffbfff11653ee R14: ffff8881ed3c0fb0 R15: dffffc0000000000 [ 47.477242] FS: 00007f2a62483700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 [ 47.485470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.491397] CR2: 0000000000000120 CR3: 00000001d6d8c003 CR4: 00000000001606e0 [ 47.498714] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.505977] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.513532] Call Trace: [ 47.516110] blk_mq_update_nr_hw_queues+0x219/0x390 [ 47.521333] nbd_start_device+0x1b6/0xc50 [ 47.525467] ? security_capable+0x6f/0xa0 [ 47.529643] nbd_ioctl+0x1ae/0xad0 [ 47.533207] ? get_pid_task+0x6e/0x100 [ 47.537260] ? nbd_add_socket+0x5f0/0x5f0 [ 47.541413] ? __lock_acquire+0x6a4/0x4500 [ 47.545649] ? get_pid_task+0x8b/0x100 [ 47.549736] blkdev_ioctl+0x7d2/0x1770 [ 47.553655] ? blkpg_ioctl+0x8e0/0x8e0 [ 47.557692] ? trace_hardirqs_on+0x10/0x10 [ 47.562141] ? trace_hardirqs_off+0x10/0x10 [ 47.566577] ? __f_unlock_pos+0xd/0x10 [ 47.570446] block_ioctl+0xd7/0x130 [ 47.574056] do_vfs_ioctl+0x180/0xfb0 [ 47.577836] ? __fget+0x1ad/0x2f0 [ 47.581409] ? lock_downgrade+0x7f0/0x7f0 [ 47.585846] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.590329] ? __fget+0x1ca/0x2f0 [ 47.593767] ? __fget_light+0x166/0x200 [ 47.597728] ? SyS_read+0x250/0x250 [ 47.601457] SyS_ioctl+0x74/0x80 [ 47.604825] ? do_vfs_ioctl+0xfb0/0xfb0 [ 47.608906] do_syscall_64+0x1c7/0x5b0 [ 47.612873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.617702] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.623236] RIP: 0033:0x45b3c9 [ 47.626428] RSP: 002b:00007f2a62482c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.634133] RAX: ffffffffffffffda RBX: 00007f2a624836d4 RCX: 000000000045b3c9 [ 47.641670] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 47.649022] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.656542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 47.664391] R13: 00000000000003fd R14: 00000000004c551d R15: 0000000000000008 [ 47.671824] Code: 0f 85 dd 05 00 00 8b 00 49 8d 04 c2 48 89 c6 48 c1 ee 03 42 80 3c 3e 00 0f 85 98 05 00 00 41 83 f8 3f 48 8b 30 0f 87 f3 03 00 00 4c 0f ab 8e 20 01 00 00 48 8d be 78 01 00 00 48 89 f8 48 c1 [ 47.691093] RIP: blk_mq_map_swqueue+0x23a/0xa90 RSP: ffff8881d636f9e0 [ 47.697686] CR2: 0000000000000120 [ 47.707288] device veth1_vlan entered promiscuous mode [ 47.713398] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 47.717562] ---[ end trace fb21152fee752ca6 ]--- [ 47.721752] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 47.725222] Kernel panic - not syncing: Fatal exception [ 47.738824] Kernel Offset: disabled [ 47.742548] Rebooting in 86400 seconds..