DUID 00:04:a4:5d:c2:3c:30:28:02:3f:2d:9e:a1:1a:e8:95:75:89 forked to background, child pid 3173 [ 22.458468][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.469672][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. 2022/03/30 04:40:24 fuzzer started 2022/03/30 04:40:25 connecting to host at 10.128.0.169:34733 2022/03/30 04:40:25 checking machine... 2022/03/30 04:40:25 checking revisions... 2022/03/30 04:40:25 testing simple program... syzkaller login: [ 38.457295][ T3593] cgroup: Unknown subsys name 'net' [ 38.566358][ T3593] cgroup: Unknown subsys name 'rlimit' [ 39.795466][ T3597] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.802905][ T3597] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.810133][ T3597] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.817728][ T3597] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.825057][ T3597] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.832172][ T3597] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.890138][ T3599] chnl_net:caif_netlink_parms(): no params data found [ 39.921346][ T3599] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.928887][ T3599] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.936794][ T3599] device bridge_slave_0 entered promiscuous mode [ 39.944825][ T3599] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.952055][ T3599] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.959901][ T3599] device bridge_slave_1 entered promiscuous mode [ 39.976292][ T3599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.987390][ T3599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.005180][ T3599] team0: Port device team_slave_0 added [ 40.012077][ T3599] team0: Port device team_slave_1 added [ 40.026659][ T3599] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.033928][ T3599] 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. [ 40.059981][ T3599] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.071634][ T3599] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.078635][ T3599] 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. [ 40.104876][ T3599] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.126013][ T3599] device hsr_slave_0 entered promiscuous mode [ 40.132774][ T3599] device hsr_slave_1 entered promiscuous mode [ 40.185262][ T3599] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.194034][ T3599] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.202299][ T3599] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.210859][ T3599] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.226387][ T3599] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.233500][ T3599] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.240944][ T3599] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.248259][ T3599] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.279238][ T3599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.291160][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.299632][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.308021][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.315940][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.327247][ T3599] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.336859][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.345529][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.352711][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.362363][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.371383][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.378696][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.398320][ T3599] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.410619][ T3599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.423673][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.433338][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.441714][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.450387][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.458812][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.467039][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.480512][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.488349][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.499116][ T3599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.512258][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.528485][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.536925][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.545082][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.555378][ T3599] device veth0_vlan entered promiscuous mode [ 40.565581][ T3599] device veth1_vlan entered promiscuous mode [ 40.579649][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.588421][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.596517][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.607422][ T3599] device veth0_macvtap entered promiscuous mode [ 40.616019][ T3599] device veth1_macvtap entered promiscuous mode [ 40.629135][ T3599] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.637157][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.646306][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.657576][ T3599] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.665433][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.675360][ T3599] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.684448][ T3599] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.693665][ T3599] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.702344][ T3599] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.736046][ T84] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.745790][ T84] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.753586][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.770664][ T84] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.778673][ T84] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.787049][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.857421][ T84] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 41.873319][ T3606] Bluetooth: hci0: command 0x0409 tx timeout 2022/03/30 04:40:30 BUG: program execution failed: executor 0: failed to write control pipe: write |1: broken pipe SYZFAIL: control pipe write failed (errno 9: Bad file descriptor) loop exited with status 67