Starting Load/Save RF Kill Switch Status... [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. 2020/10/15 19:03:17 fuzzer started 2020/10/15 19:03:18 connecting to host at 10.128.0.26:45599 2020/10/15 19:03:18 checking machine... 2020/10/15 19:03:18 checking revisions... 2020/10/15 19:03:18 testing simple program... syzkaller login: [ 58.952496][ T6880] IPVS: ftp: loaded support on port[0] = 21 [ 59.092101][ T6880] chnl_net:caif_netlink_parms(): no params data found [ 59.166973][ T6880] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.174501][ T6880] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.183021][ T6880] device bridge_slave_0 entered promiscuous mode [ 59.191787][ T6880] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.198970][ T6880] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.206787][ T6880] device bridge_slave_1 entered promiscuous mode [ 59.227802][ T6880] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.238580][ T6880] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.261662][ T6880] team0: Port device team_slave_0 added [ 59.269063][ T6880] team0: Port device team_slave_1 added [ 59.287124][ T6880] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.294080][ T6880] 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. [ 59.320017][ T6880] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.332501][ T6880] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.339521][ T6880] 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. [ 59.365542][ T6880] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.392106][ T6880] device hsr_slave_0 entered promiscuous mode [ 59.398851][ T6880] device hsr_slave_1 entered promiscuous mode [ 59.498797][ T6880] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.508576][ T6880] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.518796][ T6880] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.529887][ T6880] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.555477][ T6880] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.562604][ T6880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.570458][ T6880] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.577597][ T6880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.624770][ T6880] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.639580][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.650486][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.658979][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.667377][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.680530][ T6880] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.692166][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.701357][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.708464][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.726590][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.735926][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.742957][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.765555][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.773944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.783898][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.792237][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.802068][ T6880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.810663][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.832958][ T6880] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.841002][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.850482][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.869409][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.889791][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.898614][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.906954][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.919547][ T6880] device veth0_vlan entered promiscuous mode [ 59.931136][ T6880] device veth1_vlan entered promiscuous mode [ 59.953051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.962709][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.971460][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.982072][ T6880] device veth0_macvtap entered promiscuous mode [ 59.993866][ T6880] device veth1_macvtap entered promiscuous mode [ 60.012638][ T6880] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.020757][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.031027][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.042799][ T6880] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.051966][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.063871][ T6880] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.076565][ T6880] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.088141][ T6880] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.099483][ T6880] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.185566][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.197095][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.221695][ T7099] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.234315][ T201] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.247058][ T201] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.260924][ T7102] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 19:03:21 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