Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.375375] audit: type=1400 audit(1585710103.069:8): avc: denied { execmem } for pid=6298 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.665150] IPVS: ftp: loaded support on port[0] = 21 [ 31.863390] can: request_module (can-proto-0) failed. [ 31.873904] can: request_module (can-proto-0) failed. [ 31.882525] can: request_module (can-proto-0) failed. [ 31.912520] audit: type=1400 audit(1585710104.599:9): avc: denied { create } for pid=6276 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 '10.128.0.247' (ECDSA) to the list of known hosts. 2020/04/01 03:01:51 parsed 1 programs 2020/04/01 03:01:52 executed programs: 0 [ 39.372823] audit: type=1400 audit(1585710112.073:10): avc: denied { execmem } for pid=6421 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.551180] IPVS: ftp: loaded support on port[0] = 21 [ 40.350224] IPVS: ftp: loaded support on port[0] = 21 [ 40.416206] chnl_net:caif_netlink_parms(): no params data found [ 40.481558] IPVS: ftp: loaded support on port[0] = 21 [ 40.501150] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.507512] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.515445] device bridge_slave_0 entered promiscuous mode [ 40.524328] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.531218] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.538422] device bridge_slave_1 entered promiscuous mode [ 40.567215] chnl_net:caif_netlink_parms(): no params data found [ 40.592569] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.606081] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.635179] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.642968] team0: Port device team_slave_0 added [ 40.655191] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.663479] team0: Port device team_slave_1 added [ 40.671117] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.678703] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.687257] IPVS: ftp: loaded support on port[0] = 21 [ 40.762268] device hsr_slave_0 entered promiscuous mode [ 40.810397] device hsr_slave_1 entered promiscuous mode [ 40.860774] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.877075] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.883895] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.891081] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.898230] device bridge_slave_0 entered promiscuous mode [ 40.905579] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.912653] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.919703] device bridge_slave_1 entered promiscuous mode [ 40.938706] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.949213] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.983534] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.991778] team0: Port device team_slave_0 added [ 40.999216] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.007958] team0: Port device team_slave_1 added [ 41.014813] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.057008] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.071846] chnl_net:caif_netlink_parms(): no params data found [ 41.123867] device hsr_slave_0 entered promiscuous mode [ 41.160111] device hsr_slave_1 entered promiscuous mode [ 41.212090] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.224125] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.230700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.237676] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.239215] IPVS: ftp: loaded support on port[0] = 21 [ 41.244066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.259153] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.308017] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.315902] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.324295] device bridge_slave_0 entered promiscuous mode [ 41.332256] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.338599] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.346106] device bridge_slave_1 entered promiscuous mode [ 41.388711] chnl_net:caif_netlink_parms(): no params data found [ 41.418381] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.433487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.447864] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.456324] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.476303] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.506806] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.518279] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.540508] IPVS: ftp: loaded support on port[0] = 21 [ 41.548344] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.557242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.564268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.573051] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.593804] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.601003] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.625618] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.633563] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.641277] device bridge_slave_0 entered promiscuous mode [ 41.648524] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.654934] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.662408] device bridge_slave_1 entered promiscuous mode [ 41.674116] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.682951] team0: Port device team_slave_0 added [ 41.737373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.747669] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.760856] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.767950] team0: Port device team_slave_1 added [ 41.777838] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.785991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.795323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.803559] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.809954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.824909] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.834286] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.851018] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.863188] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.871049] chnl_net:caif_netlink_parms(): no params data found [ 41.891519] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.899187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.907025] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.913432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.939057] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.946243] team0: Port device team_slave_0 added [ 41.953335] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.960979] team0: Port device team_slave_1 added [ 42.002651] device hsr_slave_0 entered promiscuous mode [ 42.039754] device hsr_slave_1 entered promiscuous mode [ 42.082303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.090705] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.098675] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.107177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.130528] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.137544] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.145748] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.163513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.230935] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.282390] device hsr_slave_0 entered promiscuous mode [ 42.329740] device hsr_slave_1 entered promiscuous mode [ 42.373684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.381567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.389063] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.405619] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.415829] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.431059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.440346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.453051] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.461106] chnl_net:caif_netlink_parms(): no params data found [ 42.471656] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.483432] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.490818] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.497422] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.505234] device bridge_slave_0 entered promiscuous mode [ 42.516652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.522972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.530626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.545199] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.555894] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.563001] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.570700] device bridge_slave_1 entered promiscuous mode [ 42.587379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.595776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.611694] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.621632] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.627627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.640495] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.655218] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.677226] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.686601] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.694847] team0: Port device team_slave_0 added [ 42.701618] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.721772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.728591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.741365] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.747568] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.757302] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.765239] team0: Port device team_slave_1 added [ 42.770807] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.777943] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.784696] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.793834] device bridge_slave_0 entered promiscuous mode [ 42.801243] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.807580] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.815678] device bridge_slave_1 entered promiscuous mode [ 42.838297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.846271] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.854804] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.870161] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.884882] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.892456] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.901731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.910031] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.916380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.923678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.937909] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.947373] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.956802] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.012196] device hsr_slave_0 entered promiscuous mode [ 43.049533] device hsr_slave_1 entered promiscuous mode [ 43.091184] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.098343] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.107776] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.115326] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.122336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.130584] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.138284] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.144680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.152335] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.163453] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.174923] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.181426] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.194196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.202945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.210806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.218095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.226650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.234303] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.240710] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.247874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.256280] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.265792] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.283352] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.292322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.300934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.308612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.316664] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.323064] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.332460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.350087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.360338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.367381] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.375891] team0: Port device team_slave_0 added [ 43.382876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.390745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.398838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.408473] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.418019] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.427659] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.435383] team0: Port device team_slave_1 added [ 43.441207] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.448563] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.458473] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.467838] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.483367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.491247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.498654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.506594] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.514539] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.521730] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.530676] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.583537] device hsr_slave_0 entered promiscuous mode [ 43.629558] device hsr_slave_1 entered promiscuous mode [ 43.670440] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.680572] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.690976] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.698067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.709006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.716920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.724561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.732378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.740411] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.748128] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.758148] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.766286] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.774838] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.784422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.792178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.799523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.806328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.813886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.821568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.828916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.838668] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.844849] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.853483] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.860382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.871313] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.878854] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.891187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.898657] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.907685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.915454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.923281] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.931216] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.938565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.954077] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.967775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.975778] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.984496] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.992369] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.998815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.007444] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.015338] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.021593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.030795] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.042415] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.050069] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.061537] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.068787] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.078353] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.090510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.098239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.107106] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.114451] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.123053] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.133834] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.157641] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.164933] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.173099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.182474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.190585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.198676] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.211462] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.226301] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.233120] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.241611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.254712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.271323] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.282347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.298593] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.308510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.329400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.337020] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.343518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.350704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.358236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.366560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 2020/04/01 03:01:57 executed programs: 8 [ 44.384474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.409495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.416890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.430988] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.439840] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.447464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.467858] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.474299] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.489978] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.501561] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.511147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.524704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.541288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.552338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.563304] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.574361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.594074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.605509] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.617211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.628581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.651089] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.658545] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.673326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.681668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.695004] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.705307] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.713150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.721498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.735683] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.744291] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.754169] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.764373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.773080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.782288] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.794338] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.800713] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.808561] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.815858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.827763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.838271] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.857071] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.884512] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.892488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.908130] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.918408] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.927757] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.936482] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.946400] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.973208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.989665] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.997911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.010413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.018374] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.024773] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.035203] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.044163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.051391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.060457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.068174] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.074566] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.084221] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.095412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.108653] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.123371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.135748] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.153692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.163726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.173824] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.184627] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.192207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.200170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.209708] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.218490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.234061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.242172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.250066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.257445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.268573] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.274801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.292025] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.300001] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.306231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.314573] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.327032] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/04/01 03:02:02 executed programs: 127 2020/04/01 03:02:07 executed programs: 313 [ 55.254981] [ 55.256637] ===================================== [ 55.261545] WARNING: bad unlock balance detected! [ 55.266365] 4.14.174-syzkaller #0 Not tainted [ 55.270835] ------------------------------------- [ 55.275676] kworker/u4:2/29 is trying to release lock (&file->mut) at: [ 55.282336] [] ucma_event_handler+0x675/0xf80 [ 55.288364] but there are no more locks to release! [ 55.293353] [ 55.293353] other info that might help us debug this: [ 55.300002] 4 locks held by kworker/u4:2/29: [ 55.304382] #0: ("ib_addr"){+.+.}, at: [] process_one_work+0x6cd/0x16c0 [ 55.312851] #1: ((&(&req->work)->work)#2){+.+.}, at: [] process_one_work+0x703/0x16c0 [ 55.323143] #2: (&id_priv->handler_mutex){+.+.}, at: [] addr_handler+0x94/0x260 [ 55.332303] #3: (&file->mut){+.+.}, at: [] ucma_event_handler+0xa8/0xf80 [ 55.340858] [ 55.340858] stack backtrace: [ 55.345339] CPU: 0 PID: 29 Comm: kworker/u4:2 Not tainted 4.14.174-syzkaller #0 [ 55.352768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.362885] Workqueue: ib_addr process_one_req [ 55.367450] Call Trace: [ 55.370017] dump_stack+0xf7/0x13b [ 55.373570] ? ucma_event_handler+0x675/0xf80 [ 55.378043] print_unlock_imbalance_bug.cold.62+0x114/0x123 [ 55.383742] lock_release+0x623/0x830 [ 55.387517] ? ucma_event_handler+0x675/0xf80 [ 55.391985] ? lock_downgrade+0x7f0/0x7f0 [ 55.396107] ? trace_hardirqs_on_caller+0x40c/0x580 [ 55.401096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 55.406176] __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.410829] ? __wake_up_common+0x580/0x580 [ 55.415125] ? wait_for_completion+0x440/0x440 [ 55.420901] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 55.426066] mutex_unlock+0xd/0x10 [ 55.429580] ucma_event_handler+0x675/0xf80 [ 55.433876] addr_handler+0x197/0x260 [ 55.437662] ? cma_work_handler+0x1b0/0x1b0 [ 55.443522] ? cma_work_handler+0x1b0/0x1b0 [ 55.447819] process_one_req+0x210/0x4d0 [ 55.451858] process_one_work+0x79e/0x16c0 [ 55.456071] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 55.460717] worker_thread+0xcc/0xee0 [ 55.464496] kthread+0x338/0x400 [ 55.467836] ? process_one_work+0x16c0/0x16c0 [ 55.472319] ? kthread_create_on_node+0xa0/0xa0 [ 55.476962] ret_from_fork+0x24/0x30