Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. 2020/10/15 19:33:34 fuzzer started 2020/10/15 19:33:34 connecting to host at 10.128.0.26:44235 2020/10/15 19:33:34 checking machine... 2020/10/15 19:33:34 checking revisions... 2020/10/15 19:33:34 testing simple program... syzkaller login: [ 65.553135][ T6886] IPVS: ftp: loaded support on port[0] = 21 [ 65.780323][ T6886] chnl_net:caif_netlink_parms(): no params data found [ 65.848312][ T6886] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.856766][ T6886] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.865370][ T6886] device bridge_slave_0 entered promiscuous mode [ 65.874888][ T6886] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.882180][ T6886] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.890448][ T6886] device bridge_slave_1 entered promiscuous mode [ 65.912832][ T6886] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.924170][ T6886] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.948629][ T6886] team0: Port device team_slave_0 added [ 65.957155][ T6886] team0: Port device team_slave_1 added [ 65.977737][ T6886] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.985183][ T6886] 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. [ 66.011750][ T6886] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.025005][ T6886] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.031982][ T6886] 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. [ 66.058019][ T6886] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.086646][ T6886] device hsr_slave_0 entered promiscuous mode [ 66.093571][ T6886] device hsr_slave_1 entered promiscuous mode [ 66.205264][ T6886] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.216452][ T6886] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.229438][ T6886] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.239367][ T6886] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.268790][ T6886] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.276065][ T6886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.283926][ T6886] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.291153][ T6886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.347126][ T6886] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.361895][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.373399][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.383636][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.392122][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.406453][ T6886] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.420197][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.429447][ T2553] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.436665][ T2553] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.457242][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.466557][ T7105] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.473642][ T7105] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.495863][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.506655][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.515811][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.526590][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.541180][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.553582][ T6886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.577079][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.585855][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.600092][ T6886] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.622069][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.646946][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.656811][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.665815][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.677713][ T6886] device veth0_vlan entered promiscuous mode [ 66.691180][ T6886] device veth1_vlan entered promiscuous mode [ 66.717785][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.727491][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.737609][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.751046][ T6886] device veth0_macvtap entered promiscuous mode [ 66.764345][ T6886] device veth1_macvtap entered promiscuous mode [ 66.785201][ T6886] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.793561][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.805355][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.820087][ T6886] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.828336][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.839143][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.852165][ T6886] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.864631][ T6886] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.873384][ T6886] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.889715][ T6886] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.979678][ T231] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.004369][ T231] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.021091][ T7105] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.047070][ T231] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.057210][ T231] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.067937][ T2553] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 19:33:37 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