Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.319470] audit: type=1400 audit(1590923434.452:8): avc: denied { execmem } for pid=6428 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.337074] IPVS: ftp: loaded support on port[0] = 21 [ 30.849916] can: request_module (can-proto-0) failed. [ 31.824903] can: request_module (can-proto-0) failed. [ 31.833451] can: request_module (can-proto-0) failed. [ 31.859736] audit: type=1400 audit(1590923436.004:9): avc: denied { create } for pid=6408 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. 2020/05/31 11:10:43 parsed 1 programs 2020/05/31 11:10:43 executed programs: 0 [ 39.674301] audit: type=1400 audit(1590923443.828:10): avc: denied { execmem } for pid=6554 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.701298] IPVS: ftp: loaded support on port[0] = 21 [ 39.763126] IPVS: ftp: loaded support on port[0] = 21 [ 39.775398] IPVS: ftp: loaded support on port[0] = 21 [ 39.797779] IPVS: ftp: loaded support on port[0] = 21 [ 39.824339] IPVS: ftp: loaded support on port[0] = 21 [ 39.845154] IPVS: ftp: loaded support on port[0] = 21 [ 39.956729] chnl_net:caif_netlink_parms(): no params data found [ 40.050497] chnl_net:caif_netlink_parms(): no params data found [ 40.120854] chnl_net:caif_netlink_parms(): no params data found [ 40.136478] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.143159] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.150736] device bridge_slave_0 entered promiscuous mode [ 40.177274] chnl_net:caif_netlink_parms(): no params data found [ 40.194333] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.200682] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.209709] device bridge_slave_1 entered promiscuous mode [ 40.290349] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.301820] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.309345] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.316946] device bridge_slave_0 entered promiscuous mode [ 40.329412] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.339379] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.348223] device bridge_slave_1 entered promiscuous mode [ 40.368902] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.419666] chnl_net:caif_netlink_parms(): no params data found [ 40.427719] chnl_net:caif_netlink_parms(): no params data found [ 40.448951] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.456371] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.465159] device bridge_slave_0 entered promiscuous mode [ 40.478249] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.484800] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.491674] device bridge_slave_0 entered promiscuous mode [ 40.499530] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.512737] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.520839] team0: Port device team_slave_0 added [ 40.527288] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.535932] team0: Port device team_slave_1 added [ 40.540983] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.547508] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.555048] device bridge_slave_1 entered promiscuous mode [ 40.564919] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.571291] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.579059] device bridge_slave_1 entered promiscuous mode [ 40.592062] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.601049] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.610590] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.660361] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.669305] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.679510] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.746052] device hsr_slave_0 entered promiscuous mode [ 40.783614] device hsr_slave_1 entered promiscuous mode [ 40.824212] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.832106] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.843967] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.851397] team0: Port device team_slave_0 added [ 40.857315] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.864969] team0: Port device team_slave_1 added [ 40.870022] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.877192] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.885123] device bridge_slave_0 entered promiscuous mode [ 40.894921] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.901436] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.910088] device bridge_slave_1 entered promiscuous mode [ 40.928497] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.938941] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.946450] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.952812] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.960269] device bridge_slave_0 entered promiscuous mode [ 40.975946] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.986008] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.993985] team0: Port device team_slave_0 added [ 40.999583] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.009516] team0: Port device team_slave_1 added [ 41.015265] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.028463] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.035172] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.042623] device bridge_slave_1 entered promiscuous mode [ 41.050961] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.060254] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.067841] team0: Port device team_slave_0 added [ 41.073656] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.080742] team0: Port device team_slave_1 added [ 41.090742] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.101486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.120462] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.138862] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.152177] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.167158] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.235070] device hsr_slave_0 entered promiscuous mode [ 41.273254] device hsr_slave_1 entered promiscuous mode [ 41.375232] device hsr_slave_0 entered promiscuous mode [ 41.413006] device hsr_slave_1 entered promiscuous mode [ 41.453259] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.460562] team0: Port device team_slave_0 added [ 41.474864] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.482038] team0: Port device team_slave_1 added [ 41.488068] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.497990] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.506073] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.517869] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.526237] team0: Port device team_slave_0 added [ 41.531548] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.539184] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.546845] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.595078] device hsr_slave_0 entered promiscuous mode [ 41.655356] device hsr_slave_1 entered promiscuous mode [ 41.693826] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.701004] team0: Port device team_slave_1 added [ 41.707221] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.728209] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.736088] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.744662] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.776457] device hsr_slave_0 entered promiscuous mode [ 41.813131] device hsr_slave_1 entered promiscuous mode [ 41.859399] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.867266] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.884965] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.925009] device hsr_slave_0 entered promiscuous mode [ 41.952983] device hsr_slave_1 entered promiscuous mode [ 41.993195] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.000136] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.009816] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.027992] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.053850] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.070355] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.080812] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.095082] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.116295] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.129545] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.144267] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.150366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.158982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.167942] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.174636] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.191129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.212671] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.221743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.230453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.239000] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.245539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.254928] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.262191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.271153] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.280595] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.289026] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.297477] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.304816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.315297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.323058] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.329391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.336949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.343935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.352968] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.359704] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.370007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.378308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.387396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.395371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.405680] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.411765] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.425670] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.435963] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.442043] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.450803] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.460890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.470295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.478469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.486748] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.493154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.499907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.507779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.515800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.525835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.535049] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.542450] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.552432] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.561021] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.568654] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.576593] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.583774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.591421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.599056] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.605631] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.614012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.620814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.627853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.635664] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.643495] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.649828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.656957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.664670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.672059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.679599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.688182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.701073] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.707954] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.718974] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.734524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.745021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.756231] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.764886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.775042] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.783660] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.791212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.798431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.805871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.813852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.821535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.829281] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.835708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.843178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.850621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.858420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.866456] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.874607] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.880944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.889500] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.898822] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.905441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.915216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.923365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.931018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.941333] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.951763] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.960860] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.968622] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.980904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.988529] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.996231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.004549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.013087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.020756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.030276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.038806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.048774] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.056858] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.065668] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.073717] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.081498] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.089897] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.098012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.106079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.114065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.121732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.129805] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.136367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.143608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.150380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.157541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.165346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.173044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.180410] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.190418] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.197744] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.205673] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.216220] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.225559] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.231619] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.238774] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.246746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.255914] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.262920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.269577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.277557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.286631] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.298010] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.308953] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.315720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.325202] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.334623] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.343544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.351822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.360259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.368584] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.376741] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.383151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.389887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.397574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.405054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.413687] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.423245] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.437179] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.445762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.453545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.461336] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.469444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.477332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.485263] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.491716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.498532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.506350] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.514482] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.520810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.527826] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.534913] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.543966] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.552675] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.565568] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.578946] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.587961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.600757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.608622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.618823] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.626644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.634707] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.644358] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.654791] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.663085] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.671319] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.678809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.686930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.695094] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.703336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.711488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.719917] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.726336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.734328] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.741002] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.748573] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.755035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.771044] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.788270] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.795890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.806950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.814277] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.824757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.832700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.842605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.854899] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.867102] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.879629] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.888528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.897836] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.905761] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.915542] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.926136] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.942481] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.949401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.959906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.968286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.976785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.984876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.994018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.001625] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.009962] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.020747] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.030749] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.039155] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.049510] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.058595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.067910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.078920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.086524] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.093913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.101459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.111884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.121482] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.139437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.155521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.165354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.174140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.183261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.195090] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.203442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.217177] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.232291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.245248] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.266928] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.274146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.282547] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.289916] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.305991] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.332622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.340552] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.358539] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.395487] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.418767] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.433068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.461449] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/05/31 11:10:48 executed programs: 14 2020/05/31 11:10:53 executed programs: 202 [ 52.222717] [ 52.224377] ===================================== [ 52.229204] WARNING: bad unlock balance detected! [ 52.234029] 4.19.125-syzkaller #0 Not tainted [ 52.238645] ------------------------------------- [ 52.243483] kworker/u4:5/386 is trying to release lock (&file->mut) at: [ 52.250232] [] ucma_event_handler+0x681/0xf90 [ 52.256302] but there are no more locks to release! [ 52.261305] [ 52.261305] other info that might help us debug this: [ 52.267993] 4 locks held by kworker/u4:5/386: [ 52.272479] #0: 000000004e47e4d4 ((wq_completion)"ib_addr"){+.+.}, at: process_one_work+0x762/0x1670 [ 52.282318] #1: 0000000083089c54 ((work_completion)(&(&req->work)->work)){+.+.}, at: process_one_work+0x792/0x1670 [ 52.292965] #2: 000000004be3654f (&id_priv->handler_mutex){+.+.}, at: addr_handler+0xac/0x300 [ 52.301706] #3: 0000000095b45bef (&file->mut){+.+.}, at: ucma_event_handler+0xa8/0xf90 [ 52.309832] [ 52.309832] stack backtrace: [ 52.314306] CPU: 1 PID: 386 Comm: kworker/u4:5 Not tainted 4.19.125-syzkaller #0 [ 52.321816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.331169] Workqueue: ib_addr process_one_req [ 52.335725] Call Trace: [ 52.338295] dump_stack+0x123/0x177 [ 52.341903] ? ucma_event_handler+0x681/0xf90 [ 52.346386] print_unlock_imbalance_bug.cold.50+0x114/0x123 [ 52.352072] lock_release+0x685/0x850 [ 52.356035] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 52.361245] ? ucma_event_handler+0x681/0xf90 [ 52.365728] ? lock_downgrade+0x860/0x860 [ 52.371353] ? trace_hardirqs_on+0x28/0x190 [ 52.375656] __mutex_unlock_slowpath+0x8e/0x6a0 [ 52.380304] ? __wake_up_common+0x600/0x600 [ 52.384619] ? wait_for_completion+0x460/0x460 [ 52.389633] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.394335] mutex_unlock+0xd/0x10 [ 52.397849] ucma_event_handler+0x681/0xf90 [ 52.402154] addr_handler+0x23d/0x300 [ 52.406929] ? cma_work_handler+0x1b0/0x1b0 [ 52.411232] ? lock_downgrade+0x860/0x860 [ 52.415371] ? find_held_lock+0x36/0x1d0 [ 52.419405] ? __lock_is_held+0xb5/0x140 [ 52.423442] ? cma_work_handler+0x1b0/0x1b0 [ 52.427736] process_one_req+0xd4/0x5b0 [ 52.431685] process_one_work+0x830/0x1670 [ 52.435892] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 52.440534] ? lock_acquire+0x173/0x3d0 [ 52.444502] ? kasan_check_write+0x14/0x20 [ 52.448714] ? do_raw_spin_lock+0xd0/0x240 [ 52.452937] worker_thread+0x85/0xb60 [ 52.456709] ? __kthread_parkme+0x47/0x190 [ 52.460919] kthread+0x324/0x3e0 [ 52.464257] ? process_one_work+0x1670/0x1670 [ 52.468720] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 52.474239] ret_from_fork+0x24/0x30