Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.132437] audit: type=1400 audit(1586383737.947:8): avc: denied { execmem } for pid=6296 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.414339] IPVS: ftp: loaded support on port[0] = 21 [ 33.563575] can: request_module (can-proto-0) failed. [ 33.572743] can: request_module (can-proto-0) failed. [ 33.581901] can: request_module (can-proto-0) failed. [ 33.610189] audit: type=1400 audit(1586383739.428:9): avc: denied { create } for pid=6273 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts. 2020/04/08 22:09:06 parsed 1 programs 2020/04/08 22:09:06 executed programs: 0 [ 41.047642] audit: type=1400 audit(1586383746.870:10): avc: denied { execmem } for pid=6413 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.105470] IPVS: ftp: loaded support on port[0] = 21 [ 41.909605] IPVS: ftp: loaded support on port[0] = 21 [ 41.979256] chnl_net:caif_netlink_parms(): no params data found [ 42.003177] IPVS: ftp: loaded support on port[0] = 21 [ 42.077240] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.085849] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.094032] device bridge_slave_0 entered promiscuous mode [ 42.103742] chnl_net:caif_netlink_parms(): no params data found [ 42.112637] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.118988] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.126778] device bridge_slave_1 entered promiscuous mode [ 42.154049] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.173614] IPVS: ftp: loaded support on port[0] = 21 [ 42.186962] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.195219] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.202802] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.211739] device bridge_slave_0 entered promiscuous mode [ 42.218812] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.225869] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.233040] device bridge_slave_1 entered promiscuous mode [ 42.273498] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.282384] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.289688] team0: Port device team_slave_0 added [ 42.304031] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.312454] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.319518] team0: Port device team_slave_1 added [ 42.326591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.355701] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.396840] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.405083] team0: Port device team_slave_0 added [ 42.415654] IPVS: ftp: loaded support on port[0] = 21 [ 42.462784] device hsr_slave_0 entered promiscuous mode [ 42.510701] device hsr_slave_1 entered promiscuous mode [ 42.550893] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.558056] team0: Port device team_slave_1 added [ 42.565027] chnl_net:caif_netlink_parms(): no params data found [ 42.579788] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.586719] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.595101] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.613539] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.662990] device hsr_slave_0 entered promiscuous mode [ 42.691361] device hsr_slave_1 entered promiscuous mode [ 42.761992] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.785121] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.796778] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.803484] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.810930] device bridge_slave_0 entered promiscuous mode [ 42.823120] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.829479] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.837228] device bridge_slave_1 entered promiscuous mode [ 42.905697] chnl_net:caif_netlink_parms(): no params data found [ 42.917269] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.923794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.930941] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.937295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.954897] IPVS: ftp: loaded support on port[0] = 21 [ 42.957126] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.971655] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.978035] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.984697] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.991314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.008772] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.022807] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.029915] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.038277] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.046724] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.077914] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.085974] team0: Port device team_slave_0 added [ 43.094005] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.101971] team0: Port device team_slave_1 added [ 43.137428] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.161768] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.215202] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.222196] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.229010] device bridge_slave_0 entered promiscuous mode [ 43.236464] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.243796] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.252577] device bridge_slave_1 entered promiscuous mode [ 43.270578] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.279436] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.298604] chnl_net:caif_netlink_parms(): no params data found [ 43.343598] device hsr_slave_0 entered promiscuous mode [ 43.390337] device hsr_slave_1 entered promiscuous mode [ 43.430757] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.437849] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.466311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.480896] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.487634] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.495359] team0: Port device team_slave_0 added [ 43.501552] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.509032] team0: Port device team_slave_1 added [ 43.518794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.529558] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.604623] device hsr_slave_0 entered promiscuous mode [ 43.650398] device hsr_slave_1 entered promiscuous mode [ 43.690944] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.697300] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.763087] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.774756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.782646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.789845] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.797719] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.804358] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.812164] device bridge_slave_0 entered promiscuous mode [ 43.818439] chnl_net:caif_netlink_parms(): no params data found [ 43.843219] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.849342] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.856480] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.863084] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.870668] device bridge_slave_1 entered promiscuous mode [ 43.907356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.919374] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.929098] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.943289] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.951368] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.957818] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.965726] device bridge_slave_0 entered promiscuous mode [ 43.972810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.980933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.988448] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.994932] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.003397] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.019110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.027593] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.036961] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.044798] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.051788] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.058815] device bridge_slave_1 entered promiscuous mode [ 44.066530] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.076682] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.084684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.093227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.100670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.108749] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.117597] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.124015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.131786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.141501] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.147699] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.172897] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.185480] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.193868] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.202978] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.210502] team0: Port device team_slave_0 added [ 44.218384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.226014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.235001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.242881] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.249346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.262406] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.271824] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.294365] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.301857] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.308975] team0: Port device team_slave_1 added [ 44.318074] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.326768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.334768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.343733] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.350267] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.357296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.365672] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.374324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.381604] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.388622] team0: Port device team_slave_0 added [ 44.395538] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.403291] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.412662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.421903] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.431315] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.437380] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.444519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.452953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.460601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.468112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.475121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.482387] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.489395] team0: Port device team_slave_1 added [ 44.495415] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.505402] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.521385] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.529249] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.550172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.557623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.569187] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.577949] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.588408] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.599151] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.605291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.619080] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.652380] device hsr_slave_0 entered promiscuous mode [ 44.700228] device hsr_slave_1 entered promiscuous mode [ 44.741013] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.750488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.758084] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.766514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.774859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.783007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.790976] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.797784] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.806043] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.863264] device hsr_slave_0 entered promiscuous mode [ 44.890206] device hsr_slave_1 entered promiscuous mode [ 44.932338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.941639] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.949047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.956327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.964177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.971855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.979626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.987664] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.994106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.001208] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.014602] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.023500] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.031571] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.048079] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.059274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.068026] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.081273] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.089420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.103640] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.111337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.118890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.127237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.137024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.151080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.157476] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.164656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.174695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.181844] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.189397] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.202804] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.210710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.221490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.228520] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.239506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.247484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.259348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.267070] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.274918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.284795] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.291610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.300603] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.311222] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.320736] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.327563] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.334578] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.342320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.349628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.357187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.375501] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.386664] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.396312] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.403756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.411539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.418916] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.426017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.436441] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.445415] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.454528] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.467293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.476476] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.485762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.494076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.503617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.511672] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.518029] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.525657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.536681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.553759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.562277] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.570908] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.577568] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.590846] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.605258] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.617277] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.628885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.639227] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.651304] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.658409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.666527] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.673974] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.683703] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.698916] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.718012] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.730935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.731413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.731952] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.734361] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.736087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.737835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.739491] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 45.739531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.748137] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.750469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.751665] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.752830] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.753988] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.755145] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.756548] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.756552] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.757880] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.757884] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.759061] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.768698] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.768762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.769161] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.769487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.770153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.771723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.772139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.772393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.772626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.772842] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.773071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.773286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.773520] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.773939] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.773963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.774180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.774410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.774599] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.774617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.774920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.775174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.775374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.784654] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.787337] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.789403] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.792683] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.795134] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.795192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.795505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.795715] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.795739] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.795982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.796365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.796640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.796871] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.796893] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.797162] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.797227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.799110] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.800863] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.803001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.803389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.804932] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.807718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.811856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.813174] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.814015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.815924] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.816293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.816647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.816874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.817329] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.817585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.817829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.818126] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.818404] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.823986] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.825324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.825668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.826769] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.828054] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.828243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.828473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.828690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.828872] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.833226] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.833385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.833682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.838550] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.838590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.842093] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.844557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.844901] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.849203] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.849228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.868827] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.874560] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.874605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.874662] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.881668] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.606682] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.608598] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.610992] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.611042] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 2020/04/08 22:09:12 executed programs: 6 [ 46.627484] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.786236] ================================================================== [ 46.786255] BUG: KASAN: user-memory-access in insert_char+0xc3/0x280 [ 46.786258] Read of size 212 at addr 00000000ffffff3a by task syz-executor.2/7355 [ 46.786260] [ 46.786265] CPU: 1 PID: 7355 Comm: syz-executor.2 Not tainted 4.14.175-syzkaller #0 [ 46.786267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.786268] Call Trace: [ 46.786275] dump_stack+0xf7/0x13b [ 46.786279] ? insert_char+0xc3/0x280 [ 46.786285] kasan_report.cold.8+0x6d/0x2d3 [ 46.786289] check_memory_region+0x13e/0x1b0 [ 46.786292] memmove+0x23/0x50 [ 46.786296] insert_char+0xc3/0x280 [ 46.786301] do_con_trol+0x1f3c/0x61a0 [ 46.786305] ? reset_palette+0x200/0x200 [ 46.786310] ? lock_downgrade+0x7f0/0x7f0 [ 46.786319] ? __atomic_notifier_call_chain+0x9e/0x110 [ 46.786324] do_con_write.part.22+0x9bc/0x19c0 [ 46.786328] ? n_tty_write+0x2fe/0x1040 [ 46.786333] ? __mutex_lock+0x541/0x14c0 [ 46.786337] ? trace_hardirqs_off+0x10/0x10 [ 46.786339] ? n_tty_write+0x2fe/0x1040 [ 46.786347] ? do_con_trol+0x61a0/0x61a0 [ 46.786351] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 46.786356] ? trace_hardirqs_on_caller+0x40c/0x580 [ 46.786360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 46.786365] con_write+0x1f/0x80 [ 46.786368] n_tty_write+0x498/0x1040 [ 46.786376] ? process_echoes+0x130/0x130 [ 46.786379] ? do_wait_intr_irq+0x300/0x300 [ 46.786384] ? kasan_check_write+0x14/0x20 [ 46.786388] tty_write+0x346/0x770 [ 46.786392] ? process_echoes+0x130/0x130 [ 46.786397] __vfs_write+0xdb/0x840 [ 46.786401] ? kernel_read+0x130/0x130 [ 46.786404] ? __might_sleep+0x93/0xb0 [ 46.786410] ? __inode_security_revalidate+0xd3/0x100 [ 46.786413] ? selinux_file_permission+0x31f/0x3e0 [ 46.786418] ? security_file_permission+0x6e/0x1c0 [ 46.786423] ? rw_verify_area+0xb8/0x2b0 [ 46.786427] vfs_write+0x150/0x4f0 [ 46.786431] SyS_write+0x100/0x250 [ 46.786435] ? SyS_read+0x250/0x250 [ 46.786440] ? do_syscall_64+0x4c/0x5b0 [ 46.786443] ? SyS_read+0x250/0x250 [ 46.786446] do_syscall_64+0x1c7/0x5b0 [ 46.786449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.786455] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.786458] RIP: 0033:0x45a6f9 [ 46.786460] RSP: 002b:00007f92cc36dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.786464] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 [ 46.786466] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 46.786468] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 46.786470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92cc36e6d4 [ 46.786472] R13: 00000000004cbbaf R14: 00000000004e5858 R15: 00000000ffffffff [ 46.786478] ================================================================== [ 46.786480] Disabling lock debugging due to kernel taint [ 46.786482] Kernel panic - not syncing: panic_on_warn set ... [ 46.786482] [ 46.786485] CPU: 1 PID: 7355 Comm: syz-executor.2 Tainted: G B 4.14.175-syzkaller #0 [ 46.786486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.786487] Call Trace: [ 46.786490] dump_stack+0xf7/0x13b [ 46.786492] ? insert_char+0xc3/0x280 [ 46.786496] panic+0x1b0/0x358 [ 46.786505] ? add_taint.cold.5+0x11/0x11 [ 46.786507] ? lock_downgrade+0x7f0/0x7f0 [ 46.786512] ? insert_char+0xc3/0x280 [ 46.786514] kasan_end_report+0x47/0x4f [ 46.786516] kasan_report.cold.8+0x76/0x2d3 [ 46.786519] check_memory_region+0x13e/0x1b0 [ 46.786522] memmove+0x23/0x50 [ 46.786524] insert_char+0xc3/0x280 [ 46.786528] do_con_trol+0x1f3c/0x61a0 [ 46.786531] ? reset_palette+0x200/0x200 [ 46.786533] ? lock_downgrade+0x7f0/0x7f0 [ 46.786538] ? __atomic_notifier_call_chain+0x9e/0x110 [ 46.786541] do_con_write.part.22+0x9bc/0x19c0 [ 46.786543] ? n_tty_write+0x2fe/0x1040 [ 46.786546] ? __mutex_lock+0x541/0x14c0 [ 46.786548] ? trace_hardirqs_off+0x10/0x10 [ 46.786551] ? n_tty_write+0x2fe/0x1040 [ 46.786555] ? do_con_trol+0x61a0/0x61a0 [ 46.786558] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 46.786561] ? trace_hardirqs_on_caller+0x40c/0x580 [ 46.786563] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 46.786566] con_write+0x1f/0x80 [ 46.786569] n_tty_write+0x498/0x1040 [ 46.786574] ? process_echoes+0x130/0x130 [ 46.786576] ? do_wait_intr_irq+0x300/0x300 [ 46.786579] ? kasan_check_write+0x14/0x20 [ 46.786582] tty_write+0x346/0x770 [ 46.786585] ? process_echoes+0x130/0x130 [ 46.786587] __vfs_write+0xdb/0x840 [ 46.786590] ? kernel_read+0x130/0x130 [ 46.786592] ? __might_sleep+0x93/0xb0 [ 46.786595] ? __inode_security_revalidate+0xd3/0x100 [ 46.786598] ? selinux_file_permission+0x31f/0x3e0 [ 46.786601] ? security_file_permission+0x6e/0x1c0 [ 46.786604] ? rw_verify_area+0xb8/0x2b0 [ 46.786607] vfs_write+0x150/0x4f0 [ 46.786610] SyS_write+0x100/0x250 [ 46.786612] ? SyS_read+0x250/0x250 [ 46.786615] ? do_syscall_64+0x4c/0x5b0 [ 46.786618] ? SyS_read+0x250/0x250 [ 46.786620] do_syscall_64+0x1c7/0x5b0 [ 46.786623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.786626] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.786628] RIP: 0033:0x45a6f9 [ 46.786629] RSP: 002b:00007f92cc36dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.786632] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 [ 46.786633] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 46.786634] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 46.786635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92cc36e6d4 [ 46.786637] R13: 00000000004cbbaf R14: 00000000004e5858 R15: 00000000ffffffff [ 46.787470] Kernel Offset: disabled [ 47.335433] Rebooting in 86400 seconds..