[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 37.105356][ T7024] IPVS: ftp: loaded support on port[0] = 21 [ 37.394521][ T406] tipc: TX() has been purged, node left! [ 37.788911][ T7022] can: request_module (can-proto-0) failed. [ 40.431253][ T7022] can: request_module (can-proto-0) failed. [ 40.442262][ T7022] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.170' (ECDSA) to the list of known hosts. 2020/05/01 10:54:18 parsed 1 programs 2020/05/01 10:54:18 executed programs: 0 [ 48.163193][ T7155] IPVS: ftp: loaded support on port[0] = 21 [ 48.182721][ T7153] IPVS: ftp: loaded support on port[0] = 21 [ 48.195714][ T7158] IPVS: ftp: loaded support on port[0] = 21 [ 48.204364][ T7156] IPVS: ftp: loaded support on port[0] = 21 [ 48.245306][ T7162] IPVS: ftp: loaded support on port[0] = 21 [ 48.343957][ T7161] IPVS: ftp: loaded support on port[0] = 21 [ 48.522820][ T7155] chnl_net:caif_netlink_parms(): no params data found [ 48.574489][ T7153] chnl_net:caif_netlink_parms(): no params data found [ 48.756985][ T7158] chnl_net:caif_netlink_parms(): no params data found [ 48.779970][ T7161] chnl_net:caif_netlink_parms(): no params data found [ 48.801124][ T7162] chnl_net:caif_netlink_parms(): no params data found [ 48.815470][ T7156] chnl_net:caif_netlink_parms(): no params data found [ 48.892082][ T7153] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.899170][ T7153] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.908881][ T7153] device bridge_slave_0 entered promiscuous mode [ 48.955114][ T7153] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.962399][ T7153] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.970211][ T7153] device bridge_slave_1 entered promiscuous mode [ 48.985402][ T7155] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.992670][ T7155] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.000340][ T7155] device bridge_slave_0 entered promiscuous mode [ 49.031794][ T7155] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.039124][ T7155] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.051769][ T7155] device bridge_slave_1 entered promiscuous mode [ 49.076628][ T7153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.102089][ T7158] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.109242][ T7158] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.118121][ T7158] device bridge_slave_0 entered promiscuous mode [ 49.128047][ T7153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.161256][ T7158] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.168440][ T7158] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.177562][ T7158] device bridge_slave_1 entered promiscuous mode [ 49.209860][ T7158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.223335][ T7156] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.231433][ T7156] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.239074][ T7156] device bridge_slave_0 entered promiscuous mode [ 49.255171][ T7155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.271380][ T7155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.281825][ T7158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.298689][ T7156] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.306527][ T7156] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.317899][ T7156] device bridge_slave_1 entered promiscuous mode [ 49.326903][ T7161] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.334707][ T7161] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.342666][ T7161] device bridge_slave_0 entered promiscuous mode [ 49.351895][ T7153] team0: Port device team_slave_0 added [ 49.357922][ T7161] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.365316][ T7161] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.373713][ T7161] device bridge_slave_1 entered promiscuous mode [ 49.398794][ T7162] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.406392][ T7162] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.414898][ T7162] device bridge_slave_0 entered promiscuous mode [ 49.428043][ T7162] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.437093][ T7162] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.445397][ T7162] device bridge_slave_1 entered promiscuous mode [ 49.455307][ T7153] team0: Port device team_slave_1 added [ 49.476254][ T7158] team0: Port device team_slave_0 added [ 49.507966][ T7155] team0: Port device team_slave_0 added [ 49.524495][ T7158] team0: Port device team_slave_1 added [ 49.532265][ T7156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.551813][ T7162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.565859][ T7162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.576896][ T7155] team0: Port device team_slave_1 added [ 49.585523][ T7161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.608556][ T7153] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.616145][ T7153] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.643433][ T7153] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.656412][ T7156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.688310][ T7161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.705164][ T7153] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.712266][ T7153] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.739034][ T7153] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.756964][ T7162] team0: Port device team_slave_0 added [ 49.769215][ T7162] team0: Port device team_slave_1 added [ 49.782978][ T7155] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.789953][ T7155] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.816725][ T7155] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.838061][ T7158] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.845648][ T7158] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.872447][ T7158] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.916816][ T7155] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.924240][ T7155] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.951017][ T7155] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.969968][ T7156] team0: Port device team_slave_0 added [ 49.976754][ T7158] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.984296][ T7158] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.010620][ T7158] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.073271][ T7153] device hsr_slave_0 entered promiscuous mode [ 50.120947][ T7153] device hsr_slave_1 entered promiscuous mode [ 50.190114][ T7161] team0: Port device team_slave_0 added [ 50.199073][ T7156] team0: Port device team_slave_1 added [ 50.214015][ T7162] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.221785][ T7162] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.248228][ T7162] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.272591][ T7161] team0: Port device team_slave_1 added [ 50.309981][ T7162] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.317273][ T7162] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.345469][ T7162] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.423386][ T7155] device hsr_slave_0 entered promiscuous mode [ 50.460760][ T7155] device hsr_slave_1 entered promiscuous mode [ 50.530588][ T7155] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.538381][ T7155] Cannot create hsr debugfs directory [ 50.583861][ T7158] device hsr_slave_0 entered promiscuous mode [ 50.640700][ T7158] device hsr_slave_1 entered promiscuous mode [ 50.690650][ T7158] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.698450][ T7158] Cannot create hsr debugfs directory [ 50.710206][ T7161] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.718374][ T7161] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.745286][ T7161] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.763598][ T7156] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.771186][ T7156] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.798239][ T7156] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.835489][ T7161] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.843036][ T7161] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.869495][ T7161] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.887418][ T7156] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.898275][ T7156] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.932390][ T7156] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.023945][ T7162] device hsr_slave_0 entered promiscuous mode [ 51.091022][ T7162] device hsr_slave_1 entered promiscuous mode [ 51.130545][ T7162] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.138327][ T7162] Cannot create hsr debugfs directory [ 51.245697][ T7156] device hsr_slave_0 entered promiscuous mode [ 51.310887][ T7156] device hsr_slave_1 entered promiscuous mode [ 51.370427][ T7156] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.378109][ T7156] Cannot create hsr debugfs directory [ 51.442376][ T7161] device hsr_slave_0 entered promiscuous mode [ 51.490654][ T7161] device hsr_slave_1 entered promiscuous mode [ 51.520264][ T7161] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.527839][ T7161] Cannot create hsr debugfs directory [ 51.836781][ T7153] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 51.898181][ T7153] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 51.951156][ T7153] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 51.999504][ T7153] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 52.051175][ T7155] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 52.092796][ T7155] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 52.132188][ T7155] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 52.199465][ T7155] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 52.253933][ T7158] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 52.309557][ T7158] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 52.363480][ T7158] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 52.416544][ T7158] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 52.463158][ T7162] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 52.518120][ T7162] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 52.593310][ T7162] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 52.652761][ T7162] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 52.770789][ T7156] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.796658][ T7156] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.884077][ T7161] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 52.921754][ T7156] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.994220][ T7161] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 53.037940][ T7155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.045766][ T7156] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.122120][ T7161] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 53.169687][ T7161] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 53.256636][ T7153] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.296027][ T7153] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.303993][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.314563][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.323177][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.331724][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.348808][ T7155] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.390246][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.398934][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.411693][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.418824][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.430299][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.438873][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.451204][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.458396][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.466122][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.475271][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.483775][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.490924][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.533658][ T7158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.542539][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.554114][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.563085][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.572058][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.581607][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.591266][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.599531][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.609192][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.618175][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.625499][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.633353][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.642244][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.669561][ T7155] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.684115][ T7155] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.713903][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.723253][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.732703][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.741485][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.750668][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.758890][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.777827][ T7162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.799300][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.807390][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.816704][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.826175][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.835429][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.878540][ T7158] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.886687][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.897470][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.906375][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.915193][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.925502][ T7155] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.938178][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.947884][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.965839][ T7156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.987757][ T7162] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.015113][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.023931][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.032433][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.040840][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.048410][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.057654][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.067011][ T7051] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.074204][ T7051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.082050][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.090915][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.099284][ T7051] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.106585][ T7051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.114504][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.123299][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.131872][ T7051] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.138929][ T7051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.154633][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.162545][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.170789][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.179072][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.202182][ T7156] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.218907][ T7161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.251535][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.260520][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.269715][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.276781][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.285049][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.294682][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.303463][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.312673][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.322048][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.331302][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.339453][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.365084][ T7153] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.377672][ T7153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.391106][ T7155] device veth0_vlan entered promiscuous mode [ 54.400676][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.408537][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.421243][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.430698][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.438972][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.448035][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.457124][ T7051] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.464301][ T7051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.472119][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.481239][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.490050][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.498648][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.507551][ T7051] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.514864][ T7051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.522678][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.531393][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.539560][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.547407][ T7051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.563274][ T7162] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.576493][ T7162] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.595593][ T7155] device veth1_vlan entered promiscuous mode [ 54.606684][ T7161] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.616328][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.624458][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.632937][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.643956][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.652889][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.663506][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.672852][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.681859][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.692142][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.701443][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.710597][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.718216][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.770671][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.784012][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.792159][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.800392][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.808927][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.817891][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.826640][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.834676][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.843924][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.852743][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.861707][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.870419][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.880547][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.888768][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.898000][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.906770][ T2784] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.913886][ T2784] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.921651][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.930366][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.938716][ T2784] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.945835][ T2784] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.953407][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.962200][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.970036][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.989219][ T7155] device veth0_macvtap entered promiscuous mode [ 55.001898][ T7158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.023397][ T7153] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.030600][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.039001][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.050328][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.060568][ T7155] device veth1_macvtap entered promiscuous mode [ 55.071351][ T7162] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.100904][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.108951][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.118504][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.135096][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.144142][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.156165][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.164935][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.176945][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.185632][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.197560][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.207073][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.218952][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.227598][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.236789][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.246210][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.253871][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.263019][ T7156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.279433][ T7161] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.294332][ T7161] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.320021][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.327912][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.336863][ T2784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.357209][ T7155] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.375511][ T7158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.404816][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.414779][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.426731][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.435986][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.448756][ T7155] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.471612][ T7161] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.501996][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.513593][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.523635][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.531454][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.538968][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.548360][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.557467][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.566036][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.580729][ T7153] device veth0_vlan entered promiscuous mode [ 55.592320][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.601452][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.696500][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.704101][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.712945][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.726318][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.827917][ T7156] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.838892][ T7153] device veth1_vlan entered promiscuous mode [ 55.908625][ T7158] device veth0_vlan entered promiscuous mode [ 55.919969][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.928038][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.938643][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.957045][ T7162] device veth0_vlan entered promiscuous mode [ 55.971353][ T8419] ================================================================== [ 55.979558][ T8419] BUG: KASAN: use-after-free in inet_diag_bc_sk+0xa5a/0xfa0 [ 55.986829][ T8419] Read of size 8 at addr ffff8880a40b9260 by task syz-executor.3/8419 [ 55.994960][ T8419] [ 55.997285][ T8419] CPU: 0 PID: 8419 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 56.005853][ T8419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.015994][ T8419] Call Trace: [ 56.019283][ T8419] dump_stack+0x128/0x182 [ 56.023634][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.028598][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.033601][ T8419] print_address_description.constprop.8.cold.10+0x9/0x317 [ 56.040821][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.045749][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.050767][ T8419] __kasan_report.cold.11+0x35/0x4d [ 56.054643][ T7156] device veth0_vlan entered promiscuous mode [ 56.055989][ T8419] ? lock_downgrade+0x790/0x800 [ 56.056008][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.056020][ T8419] kasan_report+0x32/0x50 [ 56.076368][ T8419] inet_diag_bc_sk+0xa5a/0xfa0 [ 56.081137][ T8419] inet_diag_dump_icsk+0x98c/0xf30 [ 56.084889][ T7156] device veth1_vlan entered promiscuous mode [ 56.086255][ T8419] ? inet_diag_dump_one_icsk+0x2d0/0x2d0 [ 56.086261][ T8419] ? inet_diag_lock_handler+0x46/0xb0 [ 56.086274][ T8419] ? mutex_lock_io_nested+0x12e0/0x12e0 [ 56.108811][ T8419] ? kmem_cache_alloc_node_trace+0x39b/0x790 [ 56.114794][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.120683][ T8419] ? kasan_unpoison_shadow+0x30/0x40 [ 56.125961][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.131878][ T8419] __inet_diag_dump+0xf7/0x1b0 [ 56.134833][ T7156] device veth0_macvtap entered promiscuous mode [ 56.136636][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.136661][ T8419] netlink_dump+0x481/0xf50 [ 56.136671][ T8419] ? __mutex_unlock_slowpath+0xd2/0x650 [ 56.155427][ T7156] device veth1_macvtap entered promiscuous mode [ 56.158849][ T8419] ? __netlink_sendskb+0xb0/0xb0 [ 56.158868][ T8419] __netlink_dump_start+0x567/0x820 [ 56.158883][ T8419] inet_diag_handler_cmd+0x1fe/0x280 [ 56.180546][ T8419] ? inet_diag_rcv_msg_compat+0x280/0x280 [ 56.186262][ T8419] ? inet_diag_dump_start_compat+0x10/0x10 [ 56.187695][ T7156] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 56.192054][ T8419] ? inet_diag_dump_compat+0x250/0x250 [ 56.192061][ T8419] ? inet_diag_unregister+0x90/0x90 [ 56.192076][ T8419] sock_diag_rcv_msg+0x282/0x370 [ 56.192086][ T8419] netlink_rcv_skb+0x119/0x340 [ 56.192092][ T8419] ? sock_diag_bind+0x50/0x50 [ 56.192100][ T8419] ? netlink_ack+0x890/0x890 [ 56.192111][ T8419] ? netlink_deliver_tap+0x165/0xa00 [ 56.192125][ T8419] sock_diag_rcv+0x21/0x30 [ 56.192132][ T8419] netlink_unicast+0x434/0x630 [ 56.192143][ T8419] ? netlink_attachskb+0x6b0/0x6b0 [ 56.192156][ T8419] ? __check_object_size+0x1f5/0x2c8 [ 56.192166][ T8419] netlink_sendmsg+0x714/0xc60 [ 56.192178][ T8419] ? netlink_unicast+0x630/0x630 [ 56.192184][ T8419] ? aa_path_link+0x300/0x300 [ 56.192199][ T8419] ? netlink_unicast+0x630/0x630 [ 56.192207][ T8419] sock_sendmsg+0xac/0xe0 [ 56.192216][ T8419] sock_write_iter+0x218/0x380 [ 56.192223][ T8419] ? sock_sendmsg+0xe0/0xe0 [ 56.192241][ T8419] ? common_file_perm+0x1cb/0x770 [ 56.192251][ T8419] do_iter_readv_writev+0x4f1/0x7c0 [ 56.192257][ T8419] ? apparmor_path_rmdir+0x20/0x20 [ 56.192265][ T8419] ? no_seek_end_llseek_size+0x20/0x20 [ 56.192280][ T8419] ? security_file_permission+0x48/0x390 [ 56.192288][ T8419] do_iter_write+0x129/0x540 [ 56.192299][ T8419] ? __fget_files+0x26c/0x3d0 [ 56.192309][ T8419] vfs_writev+0x16d/0x2d0 [ 56.192317][ T8419] ? vfs_iter_write+0xb0/0xb0 [ 56.192328][ T8419] ? rcu_read_lock_held_common+0x120/0x120 [ 56.192339][ T8419] ? __fget_files+0x284/0x3d0 [ 56.192351][ T8419] ? ksys_dup3+0x2e0/0x2e0 [ 56.192361][ T8419] ? _copy_to_user+0xbc/0xe0 [ 56.192372][ T8419] ? __fget_light+0x1a5/0x220 [ 56.192381][ T8419] do_writev+0x214/0x280 [ 56.209616][ T7156] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.213860][ T8419] ? vfs_writev+0x2d0/0x2d0 [ 56.213869][ T8419] ? __ia32_sys_clock_settime+0x210/0x210 [ 56.213878][ T8419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.235954][ T7156] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.238052][ T8419] ? do_syscall_64+0x1c/0x620 [ 56.238065][ T8419] do_syscall_64+0xc6/0x620 [ 56.248405][ T7156] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 56.252788][ T8419] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.252796][ T8419] RIP: 0033:0x45c829 [ 56.252802][ T8419] Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.252805][ T8419] RSP: 002b:00007fcea4a7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 56.252811][ T8419] RAX: ffffffffffffffda RBX: 000000000050d140 RCX: 000000000045c829 [ 56.252814][ T8419] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000005 [ 56.252818][ T8419] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.252821][ T8419] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 56.252825][ T8419] R13: 0000000000000d18 R14: 00000000004cb1f4 R15: 00007fcea4a7d6d4 [ 56.252843][ T8419] [ 56.252846][ T8419] The buggy address belongs to the page: [ 56.252854][ T8419] page:ffffea0002902e40 refcount:0 mapcount:0 mapping:00000000e34ef6da index:0x0 [ 56.252858][ T8419] flags: 0xfffe0000000000() [ 56.252865][ T8419] raw: 00fffe0000000000 ffffea0002915208 ffff8880ae83b138 0000000000000000 [ 56.252871][ T8419] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 56.252874][ T8419] page dumped because: kasan: bad access detected [ 56.252877][ T8419] [ 56.252880][ T8419] Memory state around the buggy address: [ 56.252924][ T8419] ffff8880a40b9100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 56.276792][ T7156] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.278231][ T8419] ffff8880a40b9180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 56.278236][ T8419] >ffff8880a40b9200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 56.278239][ T8419] ^ [ 56.278244][ T8419] ffff8880a40b9280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 56.278247][ T8419] ffff8880a40b9300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 56.278251][ T8419] ================================================================== [ 56.278254][ T8419] Disabling lock debugging due to kernel taint [ 56.278308][ T8419] Kernel panic - not syncing: panic_on_warn set ... [ 56.287527][ T7156] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.287694][ T8419] CPU: 0 PID: 8419 Comm: syz-executor.3 Tainted: G B 5.7.0-rc2-syzkaller #0 [ 56.649625][ T8419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.659660][ T8419] Call Trace: [ 56.662960][ T8419] dump_stack+0x128/0x182 [ 56.667266][ T8419] ? inet_diag_bc_sk+0xa00/0xfa0 [ 56.672366][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.677375][ T8419] panic+0x22a/0x4e3 [ 56.681259][ T8419] ? add_taint.cold.7+0x11/0x11 [ 56.686088][ T8419] ? do_raw_spin_unlock+0x4f/0x260 [ 56.691261][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.696175][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.701082][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.706007][ T8419] end_report+0x4d/0x53 [ 56.710143][ T8419] __kasan_report.cold.11+0xd/0x4d [ 56.715305][ T8419] ? lock_downgrade+0x790/0x800 [ 56.720150][ T8419] ? inet_diag_bc_sk+0xa5a/0xfa0 [ 56.725075][ T8419] kasan_report+0x32/0x50 [ 56.729414][ T8419] inet_diag_bc_sk+0xa5a/0xfa0 [ 56.734159][ T8419] inet_diag_dump_icsk+0x98c/0xf30 [ 56.739265][ T8419] ? inet_diag_dump_one_icsk+0x2d0/0x2d0 [ 56.744963][ T8419] ? inet_diag_lock_handler+0x46/0xb0 [ 56.750327][ T8419] ? mutex_lock_io_nested+0x12e0/0x12e0 [ 56.755867][ T8419] ? kmem_cache_alloc_node_trace+0x39b/0x790 [ 56.761835][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.767695][ T8419] ? kasan_unpoison_shadow+0x30/0x40 [ 56.772946][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.778819][ T8419] __inet_diag_dump+0xf7/0x1b0 [ 56.783561][ T8419] ? __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 56.789784][ T8419] netlink_dump+0x481/0xf50 [ 56.794445][ T8419] ? __mutex_unlock_slowpath+0xd2/0x650 [ 56.799980][ T8419] ? __netlink_sendskb+0xb0/0xb0 [ 56.804898][ T8419] __netlink_dump_start+0x567/0x820 [ 56.810069][ T8419] inet_diag_handler_cmd+0x1fe/0x280 [ 56.815320][ T8419] ? inet_diag_rcv_msg_compat+0x280/0x280 [ 56.821003][ T8419] ? inet_diag_dump_start_compat+0x10/0x10 [ 56.826783][ T8419] ? inet_diag_dump_compat+0x250/0x250 [ 56.832206][ T8419] ? inet_diag_unregister+0x90/0x90 [ 56.837406][ T8419] sock_diag_rcv_msg+0x282/0x370 [ 56.842308][ T8419] netlink_rcv_skb+0x119/0x340 [ 56.847047][ T8419] ? sock_diag_bind+0x50/0x50 [ 56.851691][ T8419] ? netlink_ack+0x890/0x890 [ 56.856245][ T8419] ? netlink_deliver_tap+0x165/0xa00 [ 56.861718][ T8419] sock_diag_rcv+0x21/0x30 [ 56.866106][ T8419] netlink_unicast+0x434/0x630 [ 56.871193][ T8419] ? netlink_attachskb+0x6b0/0x6b0 [ 56.876461][ T8419] ? __check_object_size+0x1f5/0x2c8 [ 56.881809][ T8419] netlink_sendmsg+0x714/0xc60 [ 56.886567][ T8419] ? netlink_unicast+0x630/0x630 [ 56.891491][ T8419] ? aa_path_link+0x300/0x300 [ 56.896495][ T8419] ? netlink_unicast+0x630/0x630 [ 56.901403][ T8419] sock_sendmsg+0xac/0xe0 [ 56.905700][ T8419] sock_write_iter+0x218/0x380 [ 56.910427][ T8419] ? sock_sendmsg+0xe0/0xe0 [ 56.914899][ T8419] ? common_file_perm+0x1cb/0x770 [ 56.919898][ T8419] do_iter_readv_writev+0x4f1/0x7c0 [ 56.925060][ T8419] ? apparmor_path_rmdir+0x20/0x20 [ 56.930230][ T8419] ? no_seek_end_llseek_size+0x20/0x20 [ 56.935671][ T8419] ? security_file_permission+0x48/0x390 [ 56.941303][ T8419] do_iter_write+0x129/0x540 [ 56.945878][ T8419] ? __fget_files+0x26c/0x3d0 [ 56.950520][ T8419] vfs_writev+0x16d/0x2d0 [ 56.954815][ T8419] ? vfs_iter_write+0xb0/0xb0 [ 56.959467][ T8419] ? rcu_read_lock_held_common+0x120/0x120 [ 56.965238][ T8419] ? __fget_files+0x284/0x3d0 [ 56.969880][ T8419] ? ksys_dup3+0x2e0/0x2e0 [ 56.974262][ T8419] ? _copy_to_user+0xbc/0xe0 [ 56.978814][ T8419] ? __fget_light+0x1a5/0x220 [ 56.983550][ T8419] do_writev+0x214/0x280 [ 56.987768][ T8419] ? vfs_writev+0x2d0/0x2d0 [ 56.992246][ T8419] ? __ia32_sys_clock_settime+0x210/0x210 [ 56.997938][ T8419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.003370][ T8419] ? do_syscall_64+0x1c/0x620 [ 57.008016][ T8419] do_syscall_64+0xc6/0x620 [ 57.012500][ T8419] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.018392][ T8419] RIP: 0033:0x45c829 [ 57.022266][ T8419] Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.042182][ T8419] RSP: 002b:00007fcea4a7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 57.050572][ T8419] RAX: ffffffffffffffda RBX: 000000000050d140 RCX: 000000000045c829 [ 57.058529][ T8419] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000005 [ 57.066486][ T8419] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.074425][ T8419] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 57.082368][ T8419] R13: 0000000000000d18 R14: 00000000004cb1f4 R15: 00007fcea4a7d6d4 [ 57.091703][ T8419] Kernel Offset: disabled [ 57.096022][ T8419] Rebooting in 86400 seconds..