[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. 2020/10/15 19:33:29 fuzzer started 2020/10/15 19:33:30 connecting to host at 10.128.0.26:35657 2020/10/15 19:33:30 checking machine... 2020/10/15 19:33:30 checking revisions... 2020/10/15 19:33:30 testing simple program... syzkaller login: [ 61.785125][ T6866] IPVS: ftp: loaded support on port[0] = 21 [ 61.960876][ T6866] chnl_net:caif_netlink_parms(): no params data found [ 62.017281][ T6866] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.025415][ T6866] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.034024][ T6866] device bridge_slave_0 entered promiscuous mode [ 62.044742][ T6866] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.051889][ T6866] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.059471][ T6866] device bridge_slave_1 entered promiscuous mode [ 62.081332][ T6866] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.093024][ T6866] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.115445][ T6866] team0: Port device team_slave_0 added [ 62.123796][ T6866] team0: Port device team_slave_1 added [ 62.142686][ T6866] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.149623][ T6866] 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. [ 62.176438][ T6866] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.189361][ T6866] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.196909][ T6866] 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. [ 62.223423][ T6866] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.258537][ T6866] device hsr_slave_0 entered promiscuous mode [ 62.265754][ T6866] device hsr_slave_1 entered promiscuous mode [ 62.414296][ T6866] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.425635][ T6866] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.443557][ T6866] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.454590][ T6866] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.484049][ T6866] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.491256][ T6866] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.499010][ T6866] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.506153][ T6866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.556067][ T6866] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.568968][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.580186][ T23] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.588681][ T23] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.597907][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.611889][ T6866] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.624119][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.633807][ T2594] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.641004][ T2594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.663312][ T7085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.671962][ T7085] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.679026][ T7085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.705346][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.715034][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.723628][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.732315][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.740712][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.752669][ T6866] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.771908][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.779380][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.794528][ T6866] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.816786][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.839046][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.848356][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.856881][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.868468][ T6866] device veth0_vlan entered promiscuous mode [ 62.882078][ T6866] device veth1_vlan entered promiscuous mode [ 62.906151][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.914667][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.923341][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.936076][ T6866] device veth0_macvtap entered promiscuous mode [ 62.948012][ T6866] device veth1_macvtap entered promiscuous mode [ 62.968109][ T6866] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.975774][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.987005][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.999817][ T6866] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.007672][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.016932][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.028671][ T6866] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.045049][ T6866] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.053877][ T6866] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.062665][ T6866] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.143573][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.158321][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.179621][ T7087] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.209350][ T7] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.225507][ T7] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.234717][ T7087] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 19:33:33 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