[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. 2020/10/15 19:33:20 fuzzer started 2020/10/15 19:33:20 connecting to host at 10.128.0.26:33259 2020/10/15 19:33:20 checking machine... 2020/10/15 19:33:20 checking revisions... 2020/10/15 19:33:20 testing simple program... syzkaller login: [ 59.562784][ T6888] IPVS: ftp: loaded support on port[0] = 21 [ 59.746109][ T6888] chnl_net:caif_netlink_parms(): no params data found [ 59.802573][ T6888] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.810303][ T6888] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.818116][ T6888] device bridge_slave_0 entered promiscuous mode [ 59.829297][ T6888] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.837429][ T6888] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.845487][ T6888] device bridge_slave_1 entered promiscuous mode [ 59.865465][ T6888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.876531][ T6888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.899136][ T6888] team0: Port device team_slave_0 added [ 59.906495][ T6888] team0: Port device team_slave_1 added [ 59.924591][ T6888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.931762][ T6888] 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. [ 59.959129][ T6888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.973664][ T6888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.980684][ T6888] 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. [ 60.009607][ T6888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.036854][ T6888] device hsr_slave_0 entered promiscuous mode [ 60.044233][ T6888] device hsr_slave_1 entered promiscuous mode [ 60.143087][ T6888] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.156662][ T6888] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.165867][ T6888] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.175963][ T6888] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.202396][ T6888] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.209564][ T6888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.218656][ T6888] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.225816][ T6888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.273603][ T6888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.286707][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.298678][ T2660] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.307193][ T2660] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.315348][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.328228][ T6888] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.340323][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.348691][ T2732] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.355815][ T2732] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.381855][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.391400][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.398452][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.407602][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.416463][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.426268][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.436138][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.451754][ T6888] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.463451][ T6888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.475530][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.499361][ T6888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.507204][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.517080][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.550793][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.578961][ T6888] device veth0_vlan entered promiscuous mode [ 60.591930][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.601697][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.609348][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.623772][ T6888] device veth1_vlan entered promiscuous mode [ 60.647577][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.655764][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.664897][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.677331][ T6888] device veth0_macvtap entered promiscuous mode [ 60.688108][ T6888] device veth1_macvtap entered promiscuous mode [ 60.706353][ T6888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.714989][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.726151][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.738987][ T6888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.750941][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.761377][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.772933][ T6888] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.783707][ T6888] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.801543][ T6888] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.810750][ T6888] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.884145][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.907718][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.931798][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.948422][ T217] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.957326][ T217] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.968678][ T2660] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 19:33:23 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