Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 306.714861] audit: type=1400 audit(1593533422.278:8): avc: denied { execmem } for pid=6419 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 306.731137] IPVS: ftp: loaded support on port[0] = 21 [ 307.282165] can: request_module (can-proto-0) failed. [ 308.198162] can: request_module (can-proto-0) failed. [ 308.206494] can: request_module (can-proto-0) failed. [ 308.232984] audit: type=1400 audit(1593533423.800:9): avc: denied { create } for pid=6399 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 '10.128.15.231' (ECDSA) to the list of known hosts. 2020/06/30 16:10:30 parsed 1 programs 2020/06/30 16:10:31 executed programs: 0 [ 316.155067] audit: type=1400 audit(1593533431.715:10): avc: denied { execmem } for pid=6539 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 316.234275] IPVS: ftp: loaded support on port[0] = 21 [ 316.246981] IPVS: ftp: loaded support on port[0] = 21 [ 316.261421] IPVS: ftp: loaded support on port[0] = 21 [ 316.309328] IPVS: ftp: loaded support on port[0] = 21 [ 316.355698] IPVS: ftp: loaded support on port[0] = 21 [ 316.370286] IPVS: ftp: loaded support on port[0] = 21 [ 316.526314] chnl_net:caif_netlink_parms(): no params data found [ 316.550727] chnl_net:caif_netlink_parms(): no params data found [ 316.682815] chnl_net:caif_netlink_parms(): no params data found [ 316.698142] chnl_net:caif_netlink_parms(): no params data found [ 316.774014] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.782244] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.792661] device bridge_slave_0 entered promiscuous mode [ 316.802479] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.809034] bridge0: port 2(bridge_slave_1) entered disabled state [ 316.816583] device bridge_slave_1 entered promiscuous mode [ 316.823046] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.830264] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.838544] device bridge_slave_0 entered promiscuous mode [ 316.846790] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.853307] bridge0: port 2(bridge_slave_1) entered disabled state [ 316.860357] device bridge_slave_1 entered promiscuous mode [ 316.929338] chnl_net:caif_netlink_parms(): no params data found [ 316.958539] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 316.967454] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.973793] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.982004] device bridge_slave_0 entered promiscuous mode [ 316.991414] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.997866] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.004981] device bridge_slave_1 entered promiscuous mode [ 317.016540] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 317.024939] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.032566] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.039826] device bridge_slave_0 entered promiscuous mode [ 317.051749] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.071722] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.080017] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.087429] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.094436] device bridge_slave_1 entered promiscuous mode [ 317.100976] chnl_net:caif_netlink_parms(): no params data found [ 317.143589] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 317.155016] team0: Port device team_slave_0 added [ 317.162667] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 317.176829] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.186651] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 317.205801] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 317.213357] team0: Port device team_slave_1 added [ 317.219392] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 317.236965] team0: Port device team_slave_0 added [ 317.245467] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 317.253531] team0: Port device team_slave_1 added [ 317.259576] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.282875] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 317.294732] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 317.305809] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 317.313054] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 317.321167] team0: Port device team_slave_0 added [ 317.328999] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 317.337299] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 317.344491] team0: Port device team_slave_0 added [ 317.349759] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.356474] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.363985] device bridge_slave_0 entered promiscuous mode [ 317.374275] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 317.382675] team0: Port device team_slave_1 added [ 317.399081] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 317.407872] team0: Port device team_slave_1 added [ 317.413589] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 317.421699] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.428482] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.435308] device bridge_slave_1 entered promiscuous mode [ 317.449752] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 317.458503] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.464854] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.472699] device bridge_slave_0 entered promiscuous mode [ 317.485077] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 317.517666] device hsr_slave_0 entered promiscuous mode [ 317.566029] device hsr_slave_1 entered promiscuous mode [ 317.611355] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 317.618390] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 317.626718] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 317.677342] device hsr_slave_0 entered promiscuous mode [ 317.716626] device hsr_slave_1 entered promiscuous mode [ 317.756495] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.762868] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.770161] device bridge_slave_1 entered promiscuous mode [ 317.781984] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 317.794266] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 317.817976] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.868327] device hsr_slave_0 entered promiscuous mode [ 317.905844] device hsr_slave_1 entered promiscuous mode [ 317.949411] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 317.958003] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 318.007385] device hsr_slave_0 entered promiscuous mode [ 318.035748] device hsr_slave_1 entered promiscuous mode [ 318.086286] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 318.093184] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 318.100990] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 318.124339] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 318.132055] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 318.144816] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 318.152285] team0: Port device team_slave_0 added [ 318.159557] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.168607] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 318.178270] team0: Port device team_slave_0 added [ 318.183504] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 318.191395] team0: Port device team_slave_1 added [ 318.197748] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 318.205267] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 318.217222] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 318.224532] team0: Port device team_slave_1 added [ 318.230395] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 318.240451] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 318.260036] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.280383] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.327404] device hsr_slave_0 entered promiscuous mode [ 318.365941] device hsr_slave_1 entered promiscuous mode [ 318.406469] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 318.467212] device hsr_slave_0 entered promiscuous mode [ 318.495973] device hsr_slave_1 entered promiscuous mode [ 318.560145] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 318.568109] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.592300] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.603357] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 318.612571] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 318.660755] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 318.682743] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.691902] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 318.720244] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.741375] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 318.754481] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 318.764457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.773752] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.781595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 318.791176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 318.800226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.807980] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 318.814090] 8021q: adding VLAN 0 to HW filter on device team0 [ 318.822435] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 318.832101] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 318.839050] 8021q: adding VLAN 0 to HW filter on device team0 [ 318.847215] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 318.854466] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 318.862752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 318.870687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 318.878043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 318.886020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 318.894746] bridge0: port 1(bridge_slave_0) entered blocking state [ 318.901213] bridge0: port 1(bridge_slave_0) entered forwarding state [ 318.909258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 318.917742] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 318.928172] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 318.935113] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 318.942797] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 318.954565] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 318.962583] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 318.970235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 318.977513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 318.984313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 318.991315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 318.999658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.007472] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.013826] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.020918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 319.030093] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 319.037261] 8021q: adding VLAN 0 to HW filter on device team0 [ 319.046030] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.058790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 319.070094] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.079959] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 319.087738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.099644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.107996] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.114322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.122093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 319.130414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.140756] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.148786] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.155201] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.162064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 319.171344] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 319.182318] 8021q: adding VLAN 0 to HW filter on device bond0 [ 319.190976] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 319.197597] 8021q: adding VLAN 0 to HW filter on device team0 [ 319.204564] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 319.213203] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 319.223227] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 319.230508] 8021q: adding VLAN 0 to HW filter on device team0 [ 319.238757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 319.246968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.254540] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.260926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.268221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 319.276330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 319.283188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 319.291730] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.301696] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 319.309810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 319.317485] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.326078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.333712] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.340108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.349090] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 319.358235] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 319.366890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 319.374977] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 319.383855] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 319.392035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 319.400381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.408272] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.414626] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.421538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 319.429306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 319.437630] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 319.444626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 319.452015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 319.459862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.467722] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.474073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.482091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 319.489620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 319.499204] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 319.508710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 319.518913] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.530502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 319.539117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 319.547934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 319.556416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.564089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.571831] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.579319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.587467] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 319.596284] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.605386] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 319.611492] 8021q: adding VLAN 0 to HW filter on device team0 [ 319.619609] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 319.629712] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 319.640152] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 319.647597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.656192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.663720] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.674685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.681796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 319.690699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 319.698455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 319.706340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 319.713774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 319.724023] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 319.733962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 319.742324] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 319.750586] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 319.759575] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 319.767187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 319.774867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 319.782912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.790634] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.797062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.804052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 319.811974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 319.820090] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 319.827920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 319.837198] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 319.846924] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 319.856588] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 319.865211] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 319.873558] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 319.883933] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 319.892744] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 319.904040] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 319.910973] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 319.918262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 319.928274] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 319.935517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 319.943304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 319.951182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.959120] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.965506] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.972300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 319.980108] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 319.987720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 319.996497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 320.003937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 320.012032] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 320.019725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.027538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.035998] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 320.044417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 320.053306] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 320.062204] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 320.070461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 320.078894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 320.089039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.096836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 320.104362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 320.112198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 320.120278] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 320.129426] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 320.139312] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 320.148267] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 320.158589] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 320.169630] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 320.177620] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 320.185614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 320.193031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.201037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.208598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.216220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 320.223668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.232247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.239894] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 320.249155] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 320.258006] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 320.267977] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 320.277834] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 320.285284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 320.293021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 320.300903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.308607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.316455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 320.324080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 320.331913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 320.339574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 320.347414] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 320.355389] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 320.362279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 320.371280] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 320.379999] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 320.386260] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.397860] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 320.407570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 320.414488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 320.423562] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 320.431402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 320.439331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.447030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.454699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.464256] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.472113] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 320.481862] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 320.488846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.497558] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.506143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 320.514517] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.522099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.530449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.537993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 320.545779] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.553138] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.560549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.570763] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.582646] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.590671] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.599876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 320.608769] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 320.616558] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.623963] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.632369] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.639882] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.646941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.654543] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.662780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.669588] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.677496] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.692340] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.701380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.710057] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.717754] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.726916] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 320.732984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.742586] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.750560] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.759663] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.772042] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 320.779554] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.786918] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.807808] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.820657] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 320.838900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.849604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.861806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.875922] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/06/30 16:10:36 executed programs: 8 [ 324.510553] [ 324.512224] ===================================== [ 324.517212] WARNING: bad unlock balance detected! [ 324.522101] 4.19.130-syzkaller #0 Not tainted [ 324.526577] ------------------------------------- [ 324.531406] kworker/u4:2/7472 is trying to release lock (&file->mut) at: [ 324.539114] [] ucma_event_handler+0x6c7/0x1020 [ 324.545252] but there are no more locks to release! [ 324.550265] [ 324.550265] other info that might help us debug this: [ 324.556933] 4 locks held by kworker/u4:2/7472: [ 324.561502] #0: 000000009d3f3d65 ((wq_completion)"ib_addr"){+.+.}, at: process_one_work+0x762/0x1670 [ 324.571202] #1: 00000000ada628df ((work_completion)(&(&req->work)->work)){+.+.}, at: process_one_work+0x792/0x1670 [ 324.581766] #2: 00000000e6d42dd8 (&id_priv->handler_mutex){+.+.}, at: addr_handler+0xac/0x300 [ 324.590624] #3: 000000009aa66e20 (&file->mut){+.+.}, at: ucma_event_handler+0xa8/0x1020 [ 324.599252] [ 324.599252] stack backtrace: [ 324.603822] CPU: 0 PID: 7472 Comm: kworker/u4:2 Not tainted 4.19.130-syzkaller #0 [ 324.611428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.620772] Workqueue: ib_addr process_one_req [ 324.625402] Call Trace: [ 324.627985] dump_stack+0x123/0x177 [ 324.631593] ? ucma_event_handler+0x6c7/0x1020 [ 324.636187] print_unlock_imbalance_bug.cold.50+0x114/0x123 [ 324.641881] lock_release+0x685/0x850 [ 324.645676] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.650758] ? ucma_event_handler+0x6c7/0x1020 [ 324.655320] ? lock_downgrade+0x860/0x860 [ 324.659456] ? trace_hardirqs_on+0x28/0x190 [ 324.663756] __mutex_unlock_slowpath+0x8e/0x6a0 [ 324.668660] ? __wake_up_common+0x600/0x600 [ 324.673064] ? wait_for_completion+0x460/0x460 [ 324.677652] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.682219] mutex_unlock+0xd/0x10 [ 324.685736] ucma_event_handler+0x6c7/0x1020 [ 324.690134] addr_handler+0x23d/0x300 [ 324.693909] ? cma_work_handler+0x1b0/0x1b0 [ 324.698203] ? lock_downgrade+0x860/0x860 [ 324.702338] ? find_held_lock+0x36/0x1d0 [ 324.706383] ? __lock_is_held+0xb5/0x140 [ 324.711632] ? cma_work_handler+0x1b0/0x1b0 [ 324.715956] process_one_req+0xd4/0x5b0 [ 324.719936] process_one_work+0x830/0x1670 [ 324.724234] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 324.729136] ? lock_acquire+0x173/0x3d0 [ 324.733085] ? kasan_check_write+0x14/0x20 [ 324.737314] ? do_raw_spin_lock+0xd0/0x240 [ 324.741540] worker_thread+0x85/0xb60 [ 324.745325] ? __kthread_parkme+0x47/0x190 [ 324.749551] kthread+0x324/0x3e0 [ 324.752914] ? process_one_work+0x1670/0x1670 [ 324.757399] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 324.762909] ret_from_fork+0x24/0x30