[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. 2020/10/15 20:46:28 fuzzer started 2020/10/15 20:46:29 connecting to host at 10.128.0.26:35605 2020/10/15 20:46:29 checking machine... 2020/10/15 20:46:29 checking revisions... 2020/10/15 20:46:29 testing simple program... syzkaller login: [ 57.126848][ T6884] IPVS: ftp: loaded support on port[0] = 21 [ 57.282508][ T6884] chnl_net:caif_netlink_parms(): no params data found [ 57.338151][ T6884] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.345286][ T6884] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.354698][ T6884] device bridge_slave_0 entered promiscuous mode [ 57.365078][ T6884] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.372147][ T6884] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.380388][ T6884] device bridge_slave_1 entered promiscuous mode [ 57.400726][ T6884] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.411561][ T6884] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.434890][ T6884] team0: Port device team_slave_0 added [ 57.442242][ T6884] team0: Port device team_slave_1 added [ 57.461867][ T6884] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.468835][ T6884] 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. [ 57.494761][ T6884] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.506975][ T6884] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.513987][ T6884] 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. [ 57.539950][ T6884] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.567942][ T6884] device hsr_slave_0 entered promiscuous mode [ 57.574649][ T6884] device hsr_slave_1 entered promiscuous mode [ 57.671831][ T6884] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.681520][ T6884] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.691512][ T6884] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.701624][ T6884] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.725812][ T6884] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.733022][ T6884] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.740515][ T6884] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.747622][ T6884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.793786][ T6884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.807109][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.817113][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.825468][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.835195][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.847593][ T6884] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.859329][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.869106][ T2660] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.876260][ T2660] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.894168][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.902468][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.909564][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.929999][ T6884] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.940582][ T6884] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.954347][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.962780][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.971952][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.980771][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.989438][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.997447][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.016359][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.023805][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.036751][ T6884] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.057378][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.075926][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.085022][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.092581][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.104976][ T6884] device veth0_vlan entered promiscuous mode [ 58.117003][ T6884] device veth1_vlan entered promiscuous mode [ 58.138755][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.148029][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.156853][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.169067][ T6884] device veth0_macvtap entered promiscuous mode [ 58.178487][ T6884] device veth1_macvtap entered promiscuous mode [ 58.195908][ T6884] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.204001][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.214006][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.225743][ T6884] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.233552][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.245539][ T6884] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.255793][ T6884] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.269232][ T6884] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.279885][ T6884] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.368954][ T167] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.392653][ T167] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.406830][ T7103] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.423404][ T462] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.434001][ T462] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.441956][ T7103] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 20:46:32 BUG: program execution failed: executor 0: exit status 67 iptable checkpoint filter/2: getsockopt(IPT_SO_GET_INFO) (errno 22) loop exited with status 67 iptable checkpoint filter/2: getsockopt(IPT_SO_GET_INFO) (errno 22) loop exited with status 67