[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 36.272964][ T6995] IPVS: ftp: loaded support on port[0] = 21 [ 36.586604][ T2963] tipc: TX() has been purged, node left! [ 36.910900][ T6981] can: request_module (can-proto-0) failed. [ 39.631953][ T6981] can: request_module (can-proto-0) failed. [ 39.642137][ T6981] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. 2020/05/11 19:59:35 parsed 1 programs 2020/05/11 19:59:36 executed programs: 0 [ 47.380366][ T7120] IPVS: ftp: loaded support on port[0] = 21 [ 47.468568][ T7122] IPVS: ftp: loaded support on port[0] = 21 [ 47.472085][ T7126] IPVS: ftp: loaded support on port[0] = 21 [ 47.489341][ T7124] IPVS: ftp: loaded support on port[0] = 21 [ 47.548741][ T7131] IPVS: ftp: loaded support on port[0] = 21 [ 47.593362][ T7146] IPVS: ftp: loaded support on port[0] = 21 [ 47.822436][ T7120] chnl_net:caif_netlink_parms(): no params data found [ 47.849979][ T7126] chnl_net:caif_netlink_parms(): no params data found [ 47.858879][ T7122] chnl_net:caif_netlink_parms(): no params data found [ 48.054750][ T7131] chnl_net:caif_netlink_parms(): no params data found [ 48.089692][ T7120] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.097833][ T7120] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.106869][ T7120] device bridge_slave_0 entered promiscuous mode [ 48.119448][ T7120] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.126585][ T7120] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.134941][ T7120] device bridge_slave_1 entered promiscuous mode [ 48.149517][ T7122] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.158777][ T7122] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.167439][ T7122] device bridge_slave_0 entered promiscuous mode [ 48.177012][ T7124] chnl_net:caif_netlink_parms(): no params data found [ 48.214524][ T7122] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.221599][ T7122] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.232033][ T7122] device bridge_slave_1 entered promiscuous mode [ 48.281701][ T7120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.321462][ T7120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.340455][ T7146] chnl_net:caif_netlink_parms(): no params data found [ 48.349386][ T7126] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.360703][ T7126] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.368767][ T7126] device bridge_slave_0 entered promiscuous mode [ 48.379153][ T7122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.391851][ T7122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.424988][ T7126] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.432039][ T7126] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.441061][ T7126] device bridge_slave_1 entered promiscuous mode [ 48.455946][ T7120] team0: Port device team_slave_0 added [ 48.491295][ T7120] team0: Port device team_slave_1 added [ 48.499130][ T7122] team0: Port device team_slave_0 added [ 48.506554][ T7131] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.515185][ T7131] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.522757][ T7131] device bridge_slave_0 entered promiscuous mode [ 48.550111][ T7122] team0: Port device team_slave_1 added [ 48.568468][ T7131] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.575701][ T7131] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.583286][ T7131] device bridge_slave_1 entered promiscuous mode [ 48.599174][ T7126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.612391][ T7126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.634296][ T7120] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.641263][ T7120] 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. [ 48.668484][ T7120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.688810][ T7124] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.695995][ T7124] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.705998][ T7124] device bridge_slave_0 entered promiscuous mode [ 48.716753][ T7124] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.723983][ T7124] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.731800][ T7124] device bridge_slave_1 entered promiscuous mode [ 48.745617][ T7122] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.752575][ T7122] 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. [ 48.779571][ T7122] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.791548][ T7120] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.798646][ T7120] 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. [ 48.824744][ T7120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.867209][ T7122] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.875164][ T7122] 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. [ 48.901332][ T7122] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.914172][ T7131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.953223][ T7126] team0: Port device team_slave_0 added [ 48.960855][ T7126] team0: Port device team_slave_1 added [ 48.976232][ T7131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.987349][ T7124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.003916][ T7124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.066729][ T7120] device hsr_slave_0 entered promiscuous mode [ 49.134041][ T7120] device hsr_slave_1 entered promiscuous mode [ 49.194824][ T7146] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.201908][ T7146] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.210255][ T7146] device bridge_slave_0 entered promiscuous mode [ 49.223034][ T7146] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.231413][ T7146] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.239636][ T7146] device bridge_slave_1 entered promiscuous mode [ 49.248128][ T7126] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.256379][ T7126] 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. [ 49.282522][ T7126] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.366750][ T7122] device hsr_slave_0 entered promiscuous mode [ 49.394631][ T7122] device hsr_slave_1 entered promiscuous mode [ 49.453531][ T7122] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.461296][ T7122] Cannot create hsr debugfs directory [ 49.469312][ T7131] team0: Port device team_slave_0 added [ 49.475967][ T7126] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.482914][ T7126] 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. [ 49.509171][ T7126] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.526629][ T7124] team0: Port device team_slave_0 added [ 49.541022][ T7146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.552699][ T7131] team0: Port device team_slave_1 added [ 49.560812][ T7124] team0: Port device team_slave_1 added [ 49.589388][ T7146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.707116][ T7126] device hsr_slave_0 entered promiscuous mode [ 49.733752][ T7126] device hsr_slave_1 entered promiscuous mode [ 49.763568][ T7126] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.771137][ T7126] Cannot create hsr debugfs directory [ 49.781093][ T7124] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.789161][ T7124] 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. [ 49.816672][ T7124] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.836101][ T7146] team0: Port device team_slave_0 added [ 49.847016][ T7131] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.854066][ T7131] 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. [ 49.881890][ T7131] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.899796][ T7124] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.906826][ T7124] 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. [ 49.933191][ T7124] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.946615][ T7146] team0: Port device team_slave_1 added [ 49.963786][ T7131] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.970722][ T7131] 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. [ 49.998211][ T7131] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.105877][ T7124] device hsr_slave_0 entered promiscuous mode [ 50.154179][ T7124] device hsr_slave_1 entered promiscuous mode [ 50.183326][ T7124] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.191022][ T7124] Cannot create hsr debugfs directory [ 50.232472][ T7146] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.244377][ T7146] 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. [ 50.271505][ T7146] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.296773][ T7146] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.304400][ T7146] 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. [ 50.331305][ T7146] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.395569][ T7131] device hsr_slave_0 entered promiscuous mode [ 50.443756][ T7131] device hsr_slave_1 entered promiscuous mode [ 50.493138][ T7131] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.500708][ T7131] Cannot create hsr debugfs directory [ 50.575855][ T7146] device hsr_slave_0 entered promiscuous mode [ 50.594081][ T7146] device hsr_slave_1 entered promiscuous mode [ 50.643221][ T7146] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.650777][ T7146] Cannot create hsr debugfs directory [ 50.769078][ T7120] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 50.810883][ T7120] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 50.867854][ T7120] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 50.961681][ T7120] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 51.072832][ T7122] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 51.097792][ T7122] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 51.156066][ T7122] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 51.258232][ T7122] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 51.346360][ T7126] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.388055][ T7126] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.445496][ T7124] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 51.487095][ T7124] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 51.547094][ T7124] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 51.616889][ T7124] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 51.655170][ T7126] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.698196][ T7126] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.837346][ T7131] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 51.915577][ T7131] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 51.974899][ T7131] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 52.016817][ T7131] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 52.109262][ T7146] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 52.159150][ T7122] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.170968][ T7146] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 52.216866][ T7146] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 52.291184][ T7146] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 52.361821][ T7120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.389696][ T7122] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.398414][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.407386][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.423833][ T7120] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.459097][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.467423][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.475722][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.485270][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.494015][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.501208][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.510573][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.519530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.528150][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.535283][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.543527][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.567403][ T7126] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.610000][ T7124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.617049][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.630672][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.639296][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.646420][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.657729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.667163][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.676157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.685030][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.693670][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.702220][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.710852][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.719873][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.728537][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.735655][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.744113][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.751948][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.772824][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.781108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.790786][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.799296][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.820818][ T7122] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.836824][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.848765][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.869785][ T7124] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.884883][ T7131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.896973][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.904796][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.912339][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.926616][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.955785][ T7126] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.979151][ T7131] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.990663][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.001109][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.010567][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.019744][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.028981][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.036094][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.044027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.051655][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.082134][ T7122] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.104019][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.111714][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.129083][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.138093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.146533][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.155810][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.165416][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.172524][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.180246][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.189620][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.198354][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.205995][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.214104][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.222853][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.231421][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.238509][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.247287][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.256045][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.264753][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.271784][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.279478][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.288249][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.296951][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.304056][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.311717][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.320186][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.337979][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.345937][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.354232][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.363670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.382712][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.390320][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.400415][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.409963][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.419415][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.439414][ T7120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.451027][ T7120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.475347][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.486460][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.501867][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.510972][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.525714][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.539031][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.548298][ T4000] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.555443][ T4000] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.588596][ T7120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.600657][ T7124] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.618013][ T7124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.632420][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.639981][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.648451][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.657354][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.666610][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.675574][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.684380][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.693453][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.719078][ T7131] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.730228][ T7131] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.765348][ T7124] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.773471][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.783035][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.793312][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.801629][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.810979][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.819604][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.828667][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.837332][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.846280][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.855193][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.864113][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.872593][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.880042][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.900516][ T7126] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.915772][ T7126] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.936161][ T7146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.959234][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.970778][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.978928][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.988157][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.996919][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.006695][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.015454][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.023931][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.032065][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.040810][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.049669][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.057938][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.078685][ T7120] device veth0_vlan entered promiscuous mode [ 54.096001][ T7122] device veth0_vlan entered promiscuous mode [ 54.106669][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.114343][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.121906][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.130115][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.139491][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.148113][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.156387][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.176869][ T7120] device veth1_vlan entered promiscuous mode [ 54.190706][ T7122] device veth1_vlan entered promiscuous mode [ 54.199763][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.210642][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.227295][ T7146] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.255786][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.264785][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.276724][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.285374][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.310665][ T7131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.320954][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.336338][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.354249][ T7126] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.361286][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.369962][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.391276][ T7120] device veth0_macvtap entered promiscuous mode [ 54.405708][ T7120] device veth1_macvtap entered promiscuous mode [ 54.421828][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.430051][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.438588][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.448969][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.457961][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.468917][ T7124] device veth0_vlan entered promiscuous mode [ 54.495960][ T7120] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.517323][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.527091][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.536286][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.548263][ T3998] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.555389][ T3998] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.563801][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.572521][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.580863][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.589936][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.598904][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.607636][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.616654][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.625410][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.634089][ T3998] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.641125][ T3998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.649384][ T3998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.660987][ T7122] device veth0_macvtap entered promiscuous mode [ 54.673976][ T7120] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.694058][ T7124] device veth1_vlan entered promiscuous mode [ 54.706712][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.715090][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.724487][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.733194][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.741648][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.750772][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.763412][ T7122] device veth1_macvtap entered promiscuous mode [ 54.791446][ T7146] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.806063][ T7146] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.861163][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.869483][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.877772][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.887281][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.896584][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.905935][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.914953][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.923955][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.933108][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.941368][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.951642][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.960127][ T4000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.085050][ T7122] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.114749][ T8387] ================================================================== [ 55.116448][ T7122] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.122951][ T8387] BUG: KASAN: slab-out-of-bounds in fl6_update_dst+0x2cb/0x2f0 [ 55.122958][ T8387] Read of size 16 at addr ffff8880a49e39d8 by task syz-executor.2/8387 [ 55.122960][ T8387] [ 55.122967][ T8387] CPU: 1 PID: 8387 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 55.122971][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.122974][ T8387] Call Trace: [ 55.122985][ T8387] dump_stack+0x128/0x182 [ 55.122997][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.123003][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.123011][ T8387] print_address_description.constprop.8.cold.10+0x9/0x317 [ 55.123017][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.123021][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.123025][ T8387] __kasan_report.cold.11+0x35/0x4d [ 55.123033][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.123040][ T8387] kasan_report+0x32/0x50 [ 55.155980][ T7122] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.159480][ T8387] fl6_update_dst+0x2cb/0x2f0 [ 55.202185][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.203805][ T8387] sctp_v6_get_dst+0x49c/0x1590 [ 55.210484][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.213905][ T8387] ? _get_random_bytes+0x118/0x300 [ 55.213923][ T8387] ? sctp_v6_copy_addrlist+0x560/0x560 [ 55.213931][ T8387] ? _raw_spin_lock_irqsave+0x9d/0xc0 [ 55.213935][ T8387] ? _raw_spin_unlock_irqrestore+0x77/0xd0 [ 55.213945][ T8387] ? memset+0x1f/0x40 [ 55.213952][ T8387] ? _get_random_bytes+0x127/0x300 [ 55.213972][ T8387] ? sctp_transport_route+0x124/0x330 [ 55.213976][ T8387] sctp_transport_route+0x124/0x330 [ 55.213986][ T8387] sctp_assoc_add_peer+0x511/0xea0 [ 55.223749][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.226093][ T8387] sctp_connect_new_asoc+0x139/0x490 [ 55.231330][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.238786][ T8387] ? lockdep_hardirqs_on+0x477/0x610 [ 55.238798][ T8387] sctp_sendmsg+0x118e/0x1c60 [ 55.238812][ T8387] ? __sctp_setsockopt_connectx+0x140/0x140 [ 55.238827][ T8387] ? aa_sk_perm+0x1d9/0x8b0 [ 55.238837][ T8387] ? aa_af_perm+0x210/0x210 [ 55.238844][ T8387] ? move_addr_to_kernel.part.20+0x2a/0xd0 [ 55.238861][ T8387] ? inet_send_prepare+0x3a0/0x3a0 [ 55.355679][ T8387] sock_sendmsg+0xac/0xe0 [ 55.359990][ T8387] ____sys_sendmsg+0x376/0x760 [ 55.364728][ T8387] ? kernel_sendmsg+0x30/0x30 [ 55.369370][ T8387] ? __copy_msghdr_from_user+0x3c0/0x3c0 [ 55.374971][ T8387] ? plist_check_list+0x32/0x90 [ 55.379797][ T8387] ? find_held_lock+0x33/0x1c0 [ 55.384540][ T8387] ___sys_sendmsg+0xe4/0x160 [ 55.389119][ T8387] ? sendmsg_copy_msghdr+0x30/0x30 [ 55.394216][ T8387] ? __fget_files+0x284/0x3d0 [ 55.398865][ T8387] ? mark_held_locks+0x110/0x110 [ 55.403785][ T8387] ? __fget_light+0x1a5/0x220 [ 55.408432][ T8387] ? sockfd_lookup_light+0x17/0x140 [ 55.416380][ T8387] __sys_sendmmsg+0x145/0x330 [ 55.421029][ T8387] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 55.426042][ T8387] ? lock_downgrade+0x800/0x800 [ 55.430888][ T8387] ? _copy_to_user+0xbc/0xe0 [ 55.435650][ T8387] ? put_timespec64+0xa6/0xf0 [ 55.440318][ T8387] ? nsecs_to_jiffies+0x20/0x20 [ 55.445149][ T8387] ? __x64_sys_clock_gettime+0x160/0x1d0 [ 55.450752][ T8387] ? __ia32_sys_clock_settime+0x210/0x210 [ 55.456443][ T8387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.461892][ T8387] __x64_sys_sendmmsg+0x94/0x100 [ 55.466799][ T8387] ? lockdep_hardirqs_on+0x477/0x610 [ 55.472052][ T8387] do_syscall_64+0xc6/0x620 [ 55.476526][ T8387] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 55.482388][ T8387] RIP: 0033:0x45c829 [ 55.486249][ T8387] 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 [ 55.506170][ T8387] RSP: 002b:00007f3eb0861c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.514548][ T8387] RAX: ffffffffffffffda RBX: 00000000004fc3e0 RCX: 000000000045c829 [ 55.522489][ T8387] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003 [ 55.530430][ T8387] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.538378][ T8387] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 55.546318][ T8387] R13: 00000000000008e0 R14: 00000000004cb843 R15: 00007f3eb08626d4 [ 55.554276][ T8387] [ 55.556603][ T8387] Allocated by task 8387: [ 55.559055][ T7126] device veth0_vlan entered promiscuous mode [ 55.560915][ T8387] save_stack+0x19/0x40 [ 55.560922][ T8387] __kasan_kmalloc.constprop.17+0xc1/0xd0 [ 55.576794][ T8387] __kmalloc+0x164/0x7b0 [ 55.581025][ T8387] sock_kmalloc+0x83/0xc0 [ 55.585345][ T8387] ipv6_renew_options+0x1f2/0x8b0 [ 55.586696][ T7124] device veth0_macvtap entered promiscuous mode [ 55.590360][ T8387] do_ipv6_setsockopt.isra.8+0x21ec/0x36e0 [ 55.590366][ T8387] ipv6_setsockopt+0x6e/0xe0 [ 55.590373][ T8387] sctp_setsockopt+0x14a/0x58e0 [ 55.604945][ T7124] device veth1_macvtap entered promiscuous mode [ 55.607022][ T8387] __sys_setsockopt+0x228/0x430 [ 55.607029][ T8387] __x64_sys_setsockopt+0xb5/0x150 [ 55.624335][ T7124] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.628104][ T8387] do_syscall_64+0xc6/0x620 [ 55.638532][ T7124] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.642971][ T8387] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 55.642974][ T8387] [ 55.642978][ T8387] Freed by task 0: [ 55.642980][ T8387] (stack is not available) [ 55.642982][ T8387] [ 55.642987][ T8387] The buggy address belongs to the object at ffff8880a49e3980 [ 55.642987][ T8387] which belongs to the cache kmalloc-96 of size 96 [ 55.642996][ T8387] The buggy address is located 88 bytes inside of [ 55.642996][ T8387] 96-byte region [ffff8880a49e3980, ffff8880a49e39e0) [ 55.642999][ T8387] The buggy address belongs to the page: [ 55.643007][ T8387] page:ffffea00029278c0 refcount:1 mapcount:0 mapping:0000000036b272c3 index:0x0 [ 55.643013][ T8387] flags: 0xfffe0000000200(slab) [ 55.643021][ T8387] raw: 00fffe0000000200 ffffea00028790c8 ffffea00027aac48 ffff8880aa400540 [ 55.643026][ T8387] raw: 0000000000000000 ffff8880a49e3000 0000000100000020 0000000000000000 [ 55.643029][ T8387] page dumped because: kasan: bad access detected [ 55.643033][ T8387] [ 55.658511][ T7124] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.658677][ T8387] Memory state around the buggy address: [ 55.660987][ T7124] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.663749][ T7124] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.664717][ T8387] ffff8880a49e3880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.672917][ T7124] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.685300][ T8387] ffff8880a49e3900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.685304][ T8387] >ffff8880a49e3980: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 55.685308][ T8387] ^ [ 55.685311][ T8387] ffff8880a49e3a00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 55.685315][ T8387] ffff8880a49e3a80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 55.685318][ T8387] ================================================================== [ 55.685320][ T8387] Disabling lock debugging due to kernel taint [ 55.812030][ T8387] Kernel panic - not syncing: panic_on_warn set ... [ 55.826058][ T7124] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.830620][ T8387] CPU: 1 PID: 8387 Comm: syz-executor.2 Tainted: G B 5.7.0-rc2-syzkaller #0 [ 55.840013][ T7124] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.846713][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.846715][ T8387] Call Trace: [ 55.846729][ T8387] dump_stack+0x128/0x182 [ 55.846736][ T8387] ? fl6_update_dst+0x2c0/0x2f0 [ 55.846739][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.846744][ T8387] panic+0x22a/0x4e3 [ 55.846749][ T8387] ? add_taint.cold.7+0x11/0x11 [ 55.846756][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.927948][ T8387] ? preempt_schedule_thunk+0x16/0x18 [ 55.933289][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.938111][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.942940][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.947768][ T8387] end_report+0x4d/0x53 [ 55.951905][ T8387] __kasan_report.cold.11+0xd/0x4d [ 55.956996][ T8387] ? fl6_update_dst+0x2cb/0x2f0 [ 55.961838][ T8387] kasan_report+0x32/0x50 [ 55.966132][ T8387] fl6_update_dst+0x2cb/0x2f0 [ 55.970783][ T8387] sctp_v6_get_dst+0x49c/0x1590 [ 55.975715][ T8387] ? _get_random_bytes+0x118/0x300 [ 55.980807][ T8387] ? sctp_v6_copy_addrlist+0x560/0x560 [ 55.986229][ T8387] ? _raw_spin_lock_irqsave+0x9d/0xc0 [ 55.991566][ T8387] ? _raw_spin_unlock_irqrestore+0x77/0xd0 [ 55.997342][ T8387] ? memset+0x1f/0x40 [ 56.001358][ T8387] ? _get_random_bytes+0x127/0x300 [ 56.006496][ T8387] ? sctp_transport_route+0x124/0x330 [ 56.011845][ T8387] sctp_transport_route+0x124/0x330 [ 56.017062][ T8387] sctp_assoc_add_peer+0x511/0xea0 [ 56.022157][ T8387] sctp_connect_new_asoc+0x139/0x490 [ 56.027410][ T8387] ? lockdep_hardirqs_on+0x477/0x610 [ 56.032676][ T8387] sctp_sendmsg+0x118e/0x1c60 [ 56.037337][ T8387] ? __sctp_setsockopt_connectx+0x140/0x140 [ 56.043213][ T8387] ? aa_sk_perm+0x1d9/0x8b0 [ 56.047680][ T8387] ? aa_af_perm+0x210/0x210 [ 56.052150][ T8387] ? move_addr_to_kernel.part.20+0x2a/0xd0 [ 56.057922][ T8387] ? inet_send_prepare+0x3a0/0x3a0 [ 56.063019][ T8387] sock_sendmsg+0xac/0xe0 [ 56.067326][ T8387] ____sys_sendmsg+0x376/0x760 [ 56.072079][ T8387] ? kernel_sendmsg+0x30/0x30 [ 56.076738][ T8387] ? __copy_msghdr_from_user+0x3c0/0x3c0 [ 56.082335][ T8387] ? plist_check_list+0x32/0x90 [ 56.087166][ T8387] ? find_held_lock+0x33/0x1c0 [ 56.091912][ T8387] ___sys_sendmsg+0xe4/0x160 [ 56.096482][ T8387] ? sendmsg_copy_msghdr+0x30/0x30 [ 56.101563][ T8387] ? __fget_files+0x284/0x3d0 [ 56.106206][ T8387] ? mark_held_locks+0x110/0x110 [ 56.111107][ T8387] ? __fget_light+0x1a5/0x220 [ 56.115765][ T8387] ? sockfd_lookup_light+0x17/0x140 [ 56.120950][ T8387] __sys_sendmmsg+0x145/0x330 [ 56.125607][ T8387] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 56.130599][ T8387] ? lock_downgrade+0x800/0x800 [ 56.135418][ T8387] ? _copy_to_user+0xbc/0xe0 [ 56.139988][ T8387] ? put_timespec64+0xa6/0xf0 [ 56.144630][ T8387] ? nsecs_to_jiffies+0x20/0x20 [ 56.149445][ T8387] ? __x64_sys_clock_gettime+0x160/0x1d0 [ 56.155041][ T8387] ? __ia32_sys_clock_settime+0x210/0x210 [ 56.160723][ T8387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.166146][ T8387] __x64_sys_sendmmsg+0x94/0x100 [ 56.171053][ T8387] ? lockdep_hardirqs_on+0x477/0x610 [ 56.176306][ T8387] do_syscall_64+0xc6/0x620 [ 56.180793][ T8387] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.186649][ T8387] RIP: 0033:0x45c829 [ 56.190524][ T8387] 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 [ 56.210094][ T8387] RSP: 002b:00007f3eb0861c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.218468][ T8387] RAX: ffffffffffffffda RBX: 00000000004fc3e0 RCX: 000000000045c829 [ 56.226405][ T8387] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003 [ 56.234355][ T8387] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.242292][ T8387] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 56.250229][ T8387] R13: 00000000000008e0 R14: 00000000004cb843 R15: 00007f3eb08626d4 [ 56.259638][ T8387] Kernel Offset: disabled [ 56.263966][ T8387] Rebooting in 86400 seconds..