Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 31.791910] audit: type=1400 audit(1589212669.584:8): avc: denied { execmem } for pid=6405 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 31.819090] IPVS: ftp: loaded support on port[0] = 21 [ 32.277849] can: request_module (can-proto-0) failed. [ 33.291518] can: request_module (can-proto-0) failed. [ 33.300179] can: request_module (can-proto-0) failed. [ 33.328099] audit: type=1400 audit(1589212671.126:9): avc: denied { create } for pid=6381 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 '10.128.15.195' (ECDSA) to the list of known hosts. 2020/05/11 15:57:58 parsed 1 programs 2020/05/11 15:57:59 executed programs: 0 [ 41.309877] audit: type=1400 audit(1589212679.109:10): avc: denied { execmem } for pid=6526 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.404446] IPVS: ftp: loaded support on port[0] = 21 [ 41.432293] IPVS: ftp: loaded support on port[0] = 21 [ 41.434406] IPVS: ftp: loaded support on port[0] = 21 [ 41.475942] IPVS: ftp: loaded support on port[0] = 21 [ 41.482949] IPVS: ftp: loaded support on port[0] = 21 [ 41.485793] IPVS: ftp: loaded support on port[0] = 21 [ 41.670179] chnl_net:caif_netlink_parms(): no params data found [ 41.735454] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.743336] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.751108] device bridge_slave_0 entered promiscuous mode [ 41.791729] chnl_net:caif_netlink_parms(): no params data found [ 41.806760] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.814353] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.822640] device bridge_slave_1 entered promiscuous mode [ 41.832469] chnl_net:caif_netlink_parms(): no params data found [ 41.872357] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.902140] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.921147] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.928198] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.935776] device bridge_slave_0 entered promiscuous mode [ 41.944925] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.952306] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.960328] device bridge_slave_1 entered promiscuous mode [ 42.030333] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.038062] team0: Port device team_slave_0 added [ 42.044348] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.051347] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.058193] device bridge_slave_0 entered promiscuous mode [ 42.071314] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.107008] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.115711] team0: Port device team_slave_1 added [ 42.121842] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.128311] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.136909] device bridge_slave_1 entered promiscuous mode [ 42.144085] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.156048] chnl_net:caif_netlink_parms(): no params data found [ 42.170146] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.214914] chnl_net:caif_netlink_parms(): no params data found [ 42.232227] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.240365] team0: Port device team_slave_0 added [ 42.245833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.278047] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.288052] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.296335] team0: Port device team_slave_1 added [ 42.334030] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.343625] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.390295] device hsr_slave_0 entered promiscuous mode [ 42.428886] device hsr_slave_1 entered promiscuous mode [ 42.472217] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.479423] chnl_net:caif_netlink_parms(): no params data found [ 42.489036] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.495428] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.502816] device bridge_slave_0 entered promiscuous mode [ 42.510284] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.516647] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.523746] device bridge_slave_1 entered promiscuous mode [ 42.534550] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.547529] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.575137] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.582291] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.590253] device bridge_slave_0 entered promiscuous mode [ 42.597843] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.605804] team0: Port device team_slave_0 added [ 42.614150] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.621718] team0: Port device team_slave_1 added [ 42.641074] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.647542] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.656101] device bridge_slave_1 entered promiscuous mode [ 42.666999] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.675468] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.685454] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.741668] device hsr_slave_0 entered promiscuous mode [ 42.778879] device hsr_slave_1 entered promiscuous mode [ 42.875658] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.894722] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.906543] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.922614] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.932404] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.939036] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.945968] device bridge_slave_0 entered promiscuous mode [ 42.953423] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.960951] team0: Port device team_slave_0 added [ 42.966309] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.978636] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.000044] device hsr_slave_0 entered promiscuous mode [ 43.038652] device hsr_slave_1 entered promiscuous mode [ 43.078551] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.085114] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.097215] device bridge_slave_1 entered promiscuous mode [ 43.105511] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.114059] team0: Port device team_slave_1 added [ 43.124611] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.136142] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.143933] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.163048] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.170686] team0: Port device team_slave_0 added [ 43.176576] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.209672] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.217273] team0: Port device team_slave_1 added [ 43.224163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.280598] device hsr_slave_0 entered promiscuous mode [ 43.318570] device hsr_slave_1 entered promiscuous mode [ 43.358919] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.366890] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.380330] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.396530] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.406381] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.416298] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.424043] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.438720] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.510918] device hsr_slave_0 entered promiscuous mode [ 43.548429] device hsr_slave_1 entered promiscuous mode [ 43.588807] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.596864] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.608316] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.615518] team0: Port device team_slave_0 added [ 43.623081] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.631943] team0: Port device team_slave_1 added [ 43.637641] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.646117] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.661563] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.673635] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.683001] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.740080] device hsr_slave_0 entered promiscuous mode [ 43.778522] device hsr_slave_1 entered promiscuous mode [ 43.841082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.851741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.862105] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.869352] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.877459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.887694] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.897319] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.912243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.920643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.931292] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.938350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.946326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.956822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.972579] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.984427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.993159] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.001918] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.008659] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.016657] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.041505] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.053775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.092864] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.104703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.119561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.127338] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.138677] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.147655] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.155897] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.165401] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.173816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.182032] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.191655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.201200] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.215159] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.222977] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.230323] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.237212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.245331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.253082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.260311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.267479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.274528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.284210] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.299108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.307056] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.313574] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.322262] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.332056] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.339079] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.345328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.353734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.361561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.369077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.378211] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.387067] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.400957] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.407094] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.416553] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.427373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.437544] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.444720] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.452988] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.460204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.467788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.475708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.483779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.491495] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.498070] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.505362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.516583] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.530033] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.540317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.550435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.559970] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.566315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.576073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.584391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.593420] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.600247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.610331] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.618570] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.625095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.632688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.641074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.649699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.658482] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.671395] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.681761] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.694114] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.702472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.711852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.720142] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.726490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.733669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.742103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.751098] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.760157] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.766307] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.775224] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.784272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.792544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.800881] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.807415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.814648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.821628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.830851] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.839914] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.847572] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.857730] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.869984] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.877334] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.884810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.895394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.903683] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.910507] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.917396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.926416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.934190] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.940775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.947759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.956586] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.964306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.971548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.978698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.986480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.993743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.004201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.014463] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.023689] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.033817] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.045958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.053252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.061398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.069284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.077272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.085082] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.091623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.099313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.107526] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.118420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.127610] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.141309] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.156181] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.167259] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.172534] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.174109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.175611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.177127] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.182469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.182890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.183186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.183452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.183711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.184351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.184832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.185047] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.185075] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.185261] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.185549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.185758] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.185775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.185953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.186355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.186954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.187280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.187690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.192665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.193431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.195478] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.195506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.201477] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.204339] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.206227] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.212166] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.213512] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.215146] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.216848] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.221214] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.222862] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.224598] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.226172] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.227730] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.232558] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.234977] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.235795] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.237651] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.240433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.553059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.553454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.553901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.554234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.554539] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.554822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.555104] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.555481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.556013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.624845] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.625214] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.625482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.625837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.626411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.626812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.627122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.627544] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.629320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.629652] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.629972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.630317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.630656] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.630724] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.633639] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.633675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.634650] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.634675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.645797] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.648148] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.650062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.650920] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.652895] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.653521] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.653552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.658828] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.659287] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.659592] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.659902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.660269] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.660583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.660828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.661098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.661344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.665002] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.666805] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.680054] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.680202] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.691639] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.700543] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.701814] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.702605] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.702652] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.733946] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.734952] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.739942] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.741361] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.748627] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.748891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.749300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.749607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.749682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.749745] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.749812] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.772780] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.773466] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.784746] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.789099] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/05/11 15:58:04 executed programs: 6 [ 45.791404] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.791496] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.269314] ================================================================== [ 47.269346] BUG: KASAN: user-memory-access in insert_char+0x1e2/0x440 [ 47.269351] Read of size 212 at addr 00000000ffffff3a by task syz-executor.4/7527 [ 47.269353] [ 47.269359] CPU: 0 PID: 7527 Comm: syz-executor.4 Not tainted 4.19.122-syzkaller #0 [ 47.269362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.269366] Call Trace: [ 47.269376] dump_stack+0x123/0x177 [ 47.269388] kasan_report.cold.9+0x6d/0x309 [ 47.269392] ? insert_char+0x1e2/0x440 [ 47.269400] check_memory_region+0x13e/0x1b0 [ 47.269406] memmove+0x23/0x50 [ 47.269412] insert_char+0x1e2/0x440 [ 47.269422] do_con_trol+0x33e0/0x6370 [ 47.269430] ? reset_palette+0x200/0x200 [ 47.269437] ? lock_downgrade+0x860/0x860 [ 47.269444] ? kasan_check_read+0x11/0x20 [ 47.269455] ? __atomic_notifier_call_chain+0x9e/0x110 [ 47.269463] do_con_write.part.26+0xad0/0x1aa0 [ 47.269469] ? n_tty_write+0x30a/0x1060 [ 47.269481] ? __mutex_lock+0x51b/0x1210 [ 47.269494] ? do_con_trol+0x6370/0x6370 [ 47.269502] ? mark_held_locks+0xc7/0x130 [ 47.269511] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 47.269517] ? add_wait_queue+0x107/0x160 [ 47.269522] ? lockdep_hardirqs_on+0x421/0x5c0 [ 47.269526] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 47.269532] ? trace_hardirqs_on+0x28/0x190 [ 47.269540] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 47.269548] con_write+0x1f/0x80 [ 47.269553] n_tty_write+0x4a4/0x1060 [ 47.269566] ? process_echoes+0x130/0x130 [ 47.269572] ? do_wait_intr_irq+0x310/0x310 [ 47.269579] ? kasan_check_write+0x14/0x20 [ 47.269587] tty_write+0x346/0x770 [ 47.269595] ? process_echoes+0x130/0x130 [ 47.269606] __vfs_write+0xe3/0x890 [ 47.269613] ? kernel_read+0x130/0x130 [ 47.269621] ? __might_sleep+0x95/0x190 [ 47.269636] ? __inode_security_revalidate+0x9d/0xc0 [ 47.269643] ? selinux_file_permission+0x326/0x3f0 [ 47.269654] ? security_file_permission+0x46/0x190 [ 47.269661] ? rw_verify_area+0xb8/0x2b0 [ 47.269670] vfs_write+0x150/0x4d0 [ 47.269679] ksys_write+0x103/0x260 [ 47.269686] ? __ia32_sys_read+0xa0/0xa0 [ 47.269694] ? do_syscall_64+0x21/0x4e0 [ 47.269699] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.269714] __x64_sys_write+0x6e/0xb0 [ 47.269721] do_syscall_64+0xd0/0x4e0 [ 47.269728] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.269734] RIP: 0033:0x45a6f9 [ 47.269739] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.269743] RSP: 002b:00007f505119cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.269749] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 [ 47.269752] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 47.269755] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.269758] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f505119d6d4 [ 47.269762] R13: 00000000004cbbaf R14: 00000000004e5858 R15: 00000000ffffffff [ 47.269776] ================================================================== [ 47.269778] Disabling lock debugging due to kernel taint [ 47.269821] Kernel panic - not syncing: panic_on_warn set ... [ 47.269821] [ 47.269826] CPU: 0 PID: 7527 Comm: syz-executor.4 Tainted: G B 4.19.122-syzkaller #0 [ 47.269828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.269830] Call Trace: [ 47.269835] dump_stack+0x123/0x177 [ 47.269840] panic+0x1cd/0x375 [ 47.269843] ? __warn_printk+0xd6/0xd6 [ 47.269849] ? do_raw_spin_unlock+0x54/0x260 [ 47.269856] kasan_end_report+0x47/0x4f [ 47.269860] kasan_report.cold.9+0x76/0x309 [ 47.269863] ? insert_char+0x1e2/0x440 [ 47.269868] check_memory_region+0x13e/0x1b0 [ 47.269872] memmove+0x23/0x50 [ 47.269876] insert_char+0x1e2/0x440 [ 47.269881] do_con_trol+0x33e0/0x6370 [ 47.269886] ? reset_palette+0x200/0x200 [ 47.269890] ? lock_downgrade+0x860/0x860 [ 47.269894] ? kasan_check_read+0x11/0x20 [ 47.269900] ? __atomic_notifier_call_chain+0x9e/0x110 [ 47.269905] do_con_write.part.26+0xad0/0x1aa0 [ 47.269908] ? n_tty_write+0x30a/0x1060 [ 47.269912] ? __mutex_lock+0x51b/0x1210 [ 47.269919] ? do_con_trol+0x6370/0x6370 [ 47.269922] ? mark_held_locks+0xc7/0x130 [ 47.269927] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 47.269930] ? add_wait_queue+0x107/0x160 [ 47.269934] ? lockdep_hardirqs_on+0x421/0x5c0 [ 47.269938] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 47.269942] ? trace_hardirqs_on+0x28/0x190 [ 47.269947] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 47.269952] con_write+0x1f/0x80 [ 47.269956] n_tty_write+0x4a4/0x1060 [ 47.269964] ? process_echoes+0x130/0x130 [ 47.269968] ? do_wait_intr_irq+0x310/0x310 [ 47.269972] ? kasan_check_write+0x14/0x20 [ 47.269977] tty_write+0x346/0x770 [ 47.269981] ? process_echoes+0x130/0x130 [ 47.269986] __vfs_write+0xe3/0x890 [ 47.269991] ? kernel_read+0x130/0x130 [ 47.269995] ? __might_sleep+0x95/0x190 [ 47.270001] ? __inode_security_revalidate+0x9d/0xc0 [ 47.270005] ? selinux_file_permission+0x326/0x3f0 [ 47.270011] ? security_file_permission+0x46/0x190 [ 47.270015] ? rw_verify_area+0xb8/0x2b0 [ 47.270020] vfs_write+0x150/0x4d0 [ 47.270025] ksys_write+0x103/0x260 [ 47.270030] ? __ia32_sys_read+0xa0/0xa0 [ 47.270034] ? do_syscall_64+0x21/0x4e0 [ 47.270038] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.270043] __x64_sys_write+0x6e/0xb0 [ 47.270048] do_syscall_64+0xd0/0x4e0 [ 47.270053] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.270056] RIP: 0033:0x45a6f9 [ 47.270059] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.270062] RSP: 002b:00007f505119cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.270066] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 [ 47.270068] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 47.270070] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.270073] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f505119d6d4 [ 47.270075] R13: 00000000004cbbaf R14: 00000000004e5858 R15: 00000000ffffffff [ 47.271530] Kernel Offset: disabled