[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. 2020/10/15 19:03:36 fuzzer started 2020/10/15 19:03:36 connecting to host at 10.128.0.26:44401 2020/10/15 19:03:36 checking machine... 2020/10/15 19:03:36 checking revisions... 2020/10/15 19:03:36 testing simple program... syzkaller login: [ 74.821018][ T6870] IPVS: ftp: loaded support on port[0] = 21 [ 75.056208][ T6870] chnl_net:caif_netlink_parms(): no params data found [ 75.122470][ T6870] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.131159][ T6870] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.140493][ T6870] device bridge_slave_0 entered promiscuous mode [ 75.150225][ T6870] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.158252][ T6870] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.167048][ T6870] device bridge_slave_1 entered promiscuous mode [ 75.189578][ T6870] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.200874][ T6870] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.226145][ T6870] team0: Port device team_slave_0 added [ 75.234379][ T6870] team0: Port device team_slave_1 added [ 75.256396][ T6870] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.263504][ T6870] 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. [ 75.289598][ T6870] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.302671][ T6870] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.310170][ T6870] 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. [ 75.336579][ T6870] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.368221][ T6870] device hsr_slave_0 entered promiscuous mode [ 75.376361][ T6870] device hsr_slave_1 entered promiscuous mode [ 75.494742][ T6870] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.508049][ T6870] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.519855][ T6870] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.529654][ T6870] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.560556][ T6870] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.568347][ T6870] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.576553][ T6870] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.583994][ T6870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.643203][ T6870] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.658603][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.672414][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.681613][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.690947][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.705124][ T6870] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.718916][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.728247][ T23] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.736695][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.755971][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.764769][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.771988][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.788848][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.801477][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.810975][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.825504][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.842630][ T6870] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.855369][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.864093][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.893142][ T6870] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.901729][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.911593][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.934633][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.957423][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.968284][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.977143][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.988631][ T6870] device veth0_vlan entered promiscuous mode [ 76.002304][ T6870] device veth1_vlan entered promiscuous mode [ 76.026086][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.034704][ T2590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.048156][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.057844][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.070374][ T6870] device veth0_macvtap entered promiscuous mode [ 76.081582][ T6870] device veth1_macvtap entered promiscuous mode [ 76.100966][ T6870] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.109489][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.119073][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.128931][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.138116][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.152913][ T6870] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.161860][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.171976][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.185729][ T6870] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.194751][ T6870] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.204971][ T6870] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.214549][ T6870] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.295407][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.303420][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.333424][ T310] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 76.342786][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.350568][ T310] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.371360][ T7089] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2020/10/15 19:03:39 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