Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 21.672496] random: crng init done [ 21.676477] random: 7 urandom warning(s) missed due to ratelimiting [ 28.285313] IPVS: ftp: loaded support on port[0] = 21 [ 28.726364] can: request_module (can-proto-0) failed. [ 28.760428] can: request_module (can-proto-0) failed. [ 28.769762] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.121' (ECDSA) to the list of known hosts. 2021/08/25 01:36:16 parsed 1 programs 2021/08/25 01:36:16 executed programs: 0 [ 35.725276] IPVS: ftp: loaded support on port[0] = 21 [ 35.771535] IPVS: ftp: loaded support on port[0] = 21 [ 35.772405] IPVS: ftp: loaded support on port[0] = 21 [ 35.780700] IPVS: ftp: loaded support on port[0] = 21 [ 35.860824] IPVS: ftp: loaded support on port[0] = 21 [ 35.897270] IPVS: ftp: loaded support on port[0] = 21 [ 35.968033] chnl_net:caif_netlink_parms(): no params data found [ 36.083105] chnl_net:caif_netlink_parms(): no params data found [ 36.128787] chnl_net:caif_netlink_parms(): no params data found [ 36.167839] chnl_net:caif_netlink_parms(): no params data found [ 36.186491] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.193620] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.200911] device bridge_slave_0 entered promiscuous mode [ 36.242510] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.249169] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.259887] device bridge_slave_1 entered promiscuous mode [ 36.285127] chnl_net:caif_netlink_parms(): no params data found [ 36.318624] chnl_net:caif_netlink_parms(): no params data found [ 36.338659] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.352491] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.377781] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.384855] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.392602] device bridge_slave_0 entered promiscuous mode [ 36.427966] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.436184] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.446218] device bridge_slave_1 entered promiscuous mode [ 36.455875] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.464100] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.472477] device bridge_slave_0 entered promiscuous mode [ 36.491778] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.499412] team0: Port device team_slave_0 added [ 36.510098] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 36.518619] team0: Port device team_slave_1 added [ 36.524352] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.531046] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.538654] device bridge_slave_0 entered promiscuous mode [ 36.545798] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.553265] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.560456] device bridge_slave_1 entered promiscuous mode [ 36.583354] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.591034] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.597943] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.605088] device bridge_slave_1 entered promiscuous mode [ 36.622204] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.635628] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.643981] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.671836] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.680012] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.687329] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.695234] device bridge_slave_0 entered promiscuous mode [ 36.702188] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.708884] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.716776] device bridge_slave_1 entered promiscuous mode [ 36.724328] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.773250] device hsr_slave_0 entered promiscuous mode [ 36.811549] device hsr_slave_1 entered promiscuous mode [ 36.855195] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.862155] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.869187] device bridge_slave_0 entered promiscuous mode [ 36.880445] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.887367] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.895552] device bridge_slave_1 entered promiscuous mode [ 36.918967] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 36.926698] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 36.935118] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.953889] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.968606] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.977248] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.985373] team0: Port device team_slave_0 added [ 36.995134] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 37.003449] team0: Port device team_slave_0 added [ 37.009212] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 37.030764] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 37.039045] team0: Port device team_slave_1 added [ 37.046378] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 37.054623] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 37.064213] team0: Port device team_slave_1 added [ 37.084096] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.092158] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.100118] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 37.109664] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 37.117672] team0: Port device team_slave_0 added [ 37.123244] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.130478] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 37.138601] team0: Port device team_slave_0 added [ 37.144988] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.166084] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 37.175706] team0: Port device team_slave_1 added [ 37.180893] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.200715] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 37.207958] team0: Port device team_slave_1 added [ 37.217483] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.229252] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.237248] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.259224] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 37.267897] team0: Port device team_slave_0 added [ 37.302730] device hsr_slave_0 entered promiscuous mode [ 37.351585] device hsr_slave_1 entered promiscuous mode [ 37.391744] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.399097] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.407435] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.472307] device hsr_slave_0 entered promiscuous mode [ 37.511266] device hsr_slave_1 entered promiscuous mode [ 37.551699] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.593280] device hsr_slave_0 entered promiscuous mode [ 37.631191] device hsr_slave_1 entered promiscuous mode [ 37.671344] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 37.678581] team0: Port device team_slave_1 added [ 37.693482] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.700897] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.708121] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.716380] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.728304] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.783274] device hsr_slave_0 entered promiscuous mode [ 37.831120] device hsr_slave_1 entered promiscuous mode [ 37.880667] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.887512] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.895674] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.910177] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.933528] device hsr_slave_0 entered promiscuous mode [ 38.001082] device hsr_slave_1 entered promiscuous mode [ 38.041445] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.062161] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.076371] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.084974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.097623] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.104478] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.121084] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.133241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.142358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.151879] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.157963] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.167121] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.182828] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 38.194105] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 38.201537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.209222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.219574] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.226155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.234412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.242733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.250240] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.256625] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.263476] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 38.280040] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.297196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.314296] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 38.341428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.347847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 38.362182] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 38.378452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 38.386427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.394646] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.403522] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 38.418278] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.430419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.437963] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.447244] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.455186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.465380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 38.473422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.481013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.488020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.496967] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 38.506478] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.516014] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.522378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.530201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.538191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.545915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.558122] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.567477] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 38.575949] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.582607] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.593118] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.600168] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.609520] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.617161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.625180] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.633752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.641288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.649508] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 38.656114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.666828] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.676010] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.683912] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.692280] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.698539] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.705684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.714544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.722584] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.729331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.737561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.745084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.752402] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.760069] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.766526] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.774080] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 38.787446] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.797315] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.803616] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.812102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.820158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.829337] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.836073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.843525] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.851577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.859374] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.865989] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.875865] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.884068] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 38.893567] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 38.903484] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 38.911743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.919041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.926787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.934263] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.941650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 38.949369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 38.957526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 38.965753] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.974117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.982201] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.989695] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.996270] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.003384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.010533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.020571] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 39.029084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.038327] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.047861] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.057449] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.064971] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.072543] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 39.079631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.088036] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.097265] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.103968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.111653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.119564] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.127593] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.134493] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.142779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.150623] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.158143] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.164519] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.171727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.178599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.185756] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.194683] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.203531] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 39.212948] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.222698] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.232174] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.242441] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.249590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.258676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.266956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.275036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.283252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.291471] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.298194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.305329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.313384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.321407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.329380] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.336219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.343071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.351292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.359035] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.365748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.374787] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.387751] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 39.398077] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.406327] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 39.416913] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.425442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.436618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.445066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.453532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.461320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.470468] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.479109] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.490432] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 39.498909] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.506238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.516977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.525675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.537066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.546655] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 39.556786] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.567734] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 39.576360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 39.584146] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.591756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.600014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.607970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.616858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.625308] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.633851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.642017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.649839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.659808] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 39.671589] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 39.677953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.687936] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.697614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.706304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.718116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 39.728579] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.738193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.746706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.754699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.764067] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 39.772803] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 39.781192] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 39.793107] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 39.805661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.817055] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.825051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.834925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.844391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.852437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.864817] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.874122] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 39.884465] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.900320] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 39.906416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.916912] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 39.927574] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 39.935305] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 39.948722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.962647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.973568] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.983029] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.990142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.998009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.009396] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.018814] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.035166] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.049324] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.056998] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.066875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.085323] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.105262] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.117157] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.126044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.136621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.146683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.157592] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.168266] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.177710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.186844] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.197459] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.206655] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.215047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.240391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.248216] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.256636] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.264114] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.272863] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.279064] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.288512] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.317443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.324550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.333803] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.343335] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.349636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.366861] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.375832] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.389478] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.399964] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.410896] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.421987] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.432694] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.455197] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.462462] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.484839] 8021q: adding VLAN 0 to HW filter on device batadv0 2021/08/25 01:36:21 executed programs: 25 [ 41.317368] [ 41.319297] ===================================== [ 41.324214] WARNING: bad unlock balance detected! [ 41.329137] 4.19.204-syzkaller #0 Not tainted [ 41.333714] ------------------------------------- [ 41.339079] kworker/u4:2/86 is trying to release lock (&file->mut) at: [ 41.346101] [] ucma_event_handler+0x6c7/0x1020 [ 41.352407] but there are no more locks to release! [ 41.357513] [ 41.357513] other info that might help us debug this: [ 41.364547] 4 locks held by kworker/u4:2/86: [ 41.369218] #0: 00000000ba4274b4 ((wq_completion)"ib_addr"){+.+.}, at: process_one_work+0x762/0x1670 [ 41.379040] #1: 000000009bbad5ff ((work_completion)(&(&req->work)->work)){+.+.}, at: process_one_work+0x792/0x1670 [ 41.390024] #2: 000000007adc8442 (&id_priv->handler_mutex){+.+.}, at: addr_handler+0xac/0x300 [ 41.398926] #3: 000000007f0709af (&file->mut){+.+.}, at: ucma_event_handler+0xa8/0x1020 [ 41.407489] [ 41.407489] stack backtrace: [ 41.411972] CPU: 1 PID: 86 Comm: kworker/u4:2 Not tainted 4.19.204-syzkaller #0 [ 41.420107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.429819] Workqueue: ib_addr process_one_req [ 41.434391] Call Trace: [ 41.436972] dump_stack+0x123/0x171 [ 41.441540] ? ucma_event_handler+0x6c7/0x1020 [ 41.446197] print_unlock_imbalance_bug.cold.50+0x114/0x123 [ 41.451998] lock_release+0x685/0x850 [ 41.456081] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 41.461165] ? ucma_event_handler+0x6c7/0x1020 [ 41.465745] ? lock_downgrade+0x860/0x860 [ 41.469881] ? trace_hardirqs_on+0x28/0x190 [ 41.474366] __mutex_unlock_slowpath+0x8e/0x6a0 [ 41.479105] ? __wake_up_common+0x600/0x600 [ 41.483549] ? wait_for_completion+0x460/0x460 [ 41.488216] ? lockdep_hardirqs_on+0x421/0x5c0 [ 41.492963] mutex_unlock+0xd/0x10 [ 41.496496] ucma_event_handler+0x6c7/0x1020 [ 41.500996] addr_handler+0x23d/0x300 [ 41.504775] ? cma_work_handler+0x1b0/0x1b0 [ 41.509158] ? lock_downgrade+0x860/0x860 [ 41.513282] ? find_held_lock+0x36/0x1d0 [ 41.517332] ? __lock_is_held+0xb5/0x140 [ 41.521374] ? cma_work_handler+0x1b0/0x1b0 [ 41.525770] process_one_req+0xd4/0x5b0 [ 41.529727] process_one_work+0x830/0x1670 [ 41.534164] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 41.539322] ? lock_acquire+0x173/0x3d0 [ 41.543648] ? kasan_check_write+0x14/0x20 [ 41.548227] ? do_raw_spin_lock+0xd0/0x240 [ 41.552890] worker_thread+0x85/0xb60 [ 41.556702] ? __kthread_parkme+0x37/0x1c0 [ 41.561033] kthread+0x347/0x410 [ 41.564398] ? process_one_work+0x1670/0x1670 [ 41.569052] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 41.574680] ret_from_fork+0x24/0x30