[ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. 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 '10.128.0.18' (ECDSA) to the list of known hosts. 2020/10/15 14:32:40 fuzzer started 2020/10/15 14:32:41 connecting to host at 10.128.0.26:34863 2020/10/15 14:32:41 checking machine... 2020/10/15 14:32:41 checking revisions... 2020/10/15 14:32:41 testing simple program... syzkaller login: [ 59.714454][ T6883] IPVS: ftp: loaded support on port[0] = 21 [ 59.868948][ T6883] chnl_net:caif_netlink_parms(): no params data found [ 59.924511][ T6883] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.933040][ T6883] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.941690][ T6883] device bridge_slave_0 entered promiscuous mode [ 59.951572][ T6883] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.958660][ T6883] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.967018][ T6883] device bridge_slave_1 entered promiscuous mode [ 59.988118][ T6883] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.999886][ T6883] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.022405][ T6883] team0: Port device team_slave_0 added [ 60.030229][ T6883] team0: Port device team_slave_1 added [ 60.047450][ T6883] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.054454][ T6883] 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. [ 60.080821][ T6883] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.093248][ T6883] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.100289][ T6883] 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. [ 60.126238][ T6883] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.153960][ T6883] device hsr_slave_0 entered promiscuous mode [ 60.160793][ T6883] device hsr_slave_1 entered promiscuous mode [ 60.261228][ T6883] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.272055][ T6883] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.282528][ T6883] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.291726][ T6883] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.320914][ T6883] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.328809][ T6883] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.336811][ T6883] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.344034][ T6883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.391708][ T6883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.406714][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.418000][ T2639] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.427205][ T2639] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.436273][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.450261][ T6883] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.463190][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.472120][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.479169][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.500388][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.508774][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.515912][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.532233][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.541336][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.560458][ T6883] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.570853][ T6883] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.583377][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.591899][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.600773][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.611622][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.628541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.636676][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.649812][ T6883] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.670962][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.691456][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.701234][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.708903][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.721119][ T6883] device veth0_vlan entered promiscuous mode [ 60.733891][ T6883] device veth1_vlan entered promiscuous mode [ 60.756027][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.765313][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.774996][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.785651][ T6883] device veth0_macvtap entered promiscuous mode [ 60.796559][ T6883] device veth1_macvtap entered promiscuous mode [ 60.814931][ T6883] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.823180][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.833507][ T2639] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.846159][ T6883] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.853543][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.863310][ T2472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.874990][ T6883] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.884405][ T6883] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.893539][ T6883] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.903674][ T6883] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.981440][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.004071][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.021468][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.035804][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.041738][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.052683][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2020/10/15 14:32:44 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