Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. 2020/10/15 19:03:16 fuzzer started 2020/10/15 19:03:16 connecting to host at 10.128.0.26:36163 2020/10/15 19:03:16 checking machine... 2020/10/15 19:03:16 checking revisions... 2020/10/15 19:03:16 testing simple program... syzkaller login: [ 58.159137][ T6918] IPVS: ftp: loaded support on port[0] = 21 [ 58.315945][ T6918] chnl_net:caif_netlink_parms(): no params data found [ 58.382747][ T6918] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.394942][ T6918] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.405759][ T6918] device bridge_slave_0 entered promiscuous mode [ 58.416254][ T6918] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.423474][ T6918] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.431522][ T6918] device bridge_slave_1 entered promiscuous mode [ 58.462846][ T6918] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.485114][ T6918] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.518954][ T6918] team0: Port device team_slave_0 added [ 58.529896][ T6918] team0: Port device team_slave_1 added [ 58.551775][ T6918] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.562042][ T6918] 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. [ 58.588130][ T6918] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.601199][ T6918] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.608399][ T6918] 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. [ 58.634922][ T6918] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.663687][ T6918] device hsr_slave_0 entered promiscuous mode [ 58.670303][ T6918] device hsr_slave_1 entered promiscuous mode [ 58.766753][ T6918] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.777887][ T6918] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.788913][ T6918] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.799705][ T6918] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.826135][ T6918] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.833378][ T6918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.840973][ T6918] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.848144][ T6918] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.897206][ T6918] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.910634][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.921498][ T2639] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.929820][ T2639] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.938322][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.952572][ T6918] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.964857][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.973721][ T2472] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.980780][ T2472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.005869][ T7139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.015643][ T7139] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.022672][ T7139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.031169][ T7139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.040996][ T7139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.057371][ T6918] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.068591][ T6918] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.081570][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.090047][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.099238][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.122324][ T6918] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.130501][ T7140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.138734][ T7140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.146936][ T7140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.165853][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.188435][ T6918] device veth0_vlan entered promiscuous mode [ 59.195655][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.205850][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.213853][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.229168][ T6918] device veth1_vlan entered promiscuous mode [ 59.250373][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.258484][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.267299][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.279074][ T6918] device veth0_macvtap entered promiscuous mode [ 59.289573][ T6918] device veth1_macvtap entered promiscuous mode [ 59.308321][ T6918] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.316372][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.325644][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.337477][ T6918] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.345174][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.354867][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.365934][ T6918] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.375384][ T6918] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.384173][ T6918] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.393074][ T6918] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.477230][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.499683][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.510613][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.537047][ T243] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.545628][ T243] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.556368][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 19:03:20 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