Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. 2020/10/15 20:46:29 fuzzer started 2020/10/15 20:46:29 connecting to host at 10.128.0.26:38037 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: [ 57.812686][ T6905] IPVS: ftp: loaded support on port[0] = 21 [ 58.012621][ T6905] chnl_net:caif_netlink_parms(): no params data found [ 58.066831][ T6905] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.074210][ T6905] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.082813][ T6905] device bridge_slave_0 entered promiscuous mode [ 58.091833][ T6905] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.099714][ T6905] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.107627][ T6905] device bridge_slave_1 entered promiscuous mode [ 58.127570][ T6905] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.138845][ T6905] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.162465][ T6905] team0: Port device team_slave_0 added [ 58.170337][ T6905] team0: Port device team_slave_1 added [ 58.189656][ T6905] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.196679][ T6905] 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. [ 58.222839][ T6905] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.235397][ T6905] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.242457][ T6905] 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. [ 58.268425][ T6905] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.295221][ T6905] device hsr_slave_0 entered promiscuous mode [ 58.302017][ T6905] device hsr_slave_1 entered promiscuous mode [ 58.398531][ T6905] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.411233][ T6905] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.421510][ T6905] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.431994][ T6905] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.458106][ T6905] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.465242][ T6905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.473029][ T6905] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.480177][ T6905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.525358][ T6905] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.539767][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.550615][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.559191][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.568217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.581905][ T6905] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.593337][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.602547][ T2639] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.609651][ T2639] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.628164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.637088][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.644121][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.666824][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.675373][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.684659][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.693061][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.702010][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.712199][ T6905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.731735][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.739614][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.752622][ T6905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.772350][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.792304][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.801466][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.809780][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.820407][ T6905] device veth0_vlan entered promiscuous mode [ 58.832645][ T6905] device veth1_vlan entered promiscuous mode [ 58.855395][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.864164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.872861][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.883373][ T6905] device veth0_macvtap entered promiscuous mode [ 58.893901][ T6905] device veth1_macvtap entered promiscuous mode [ 58.912405][ T6905] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.920999][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.930759][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.943467][ T6905] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.952458][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.965096][ T6905] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.975234][ T6905] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.984032][ T6905] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.993056][ T6905] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.072916][ T164] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.093756][ T164] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.120224][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.134658][ T164] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.143980][ T164] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.153674][ T2639] 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