[ OK ] Found device /dev/ttyS0. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.76' (ECDSA) to the list of known hosts. 2021/02/23 06:59:38 parsed 1 programs 2021/02/23 06:59:38 executed programs: 0 syzkaller login: [ 40.178088] IPVS: ftp: loaded support on port[0] = 21 [ 40.275432] chnl_net:caif_netlink_parms(): no params data found [ 40.354098] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.360707] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.368679] device bridge_slave_0 entered promiscuous mode [ 40.376308] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.383565] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.390548] device bridge_slave_1 entered promiscuous mode [ 40.409926] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.418842] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.438196] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.445689] team0: Port device team_slave_0 added [ 40.451381] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.458590] team0: Port device team_slave_1 added [ 40.474237] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.480476] 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. [ 40.506255] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.518015] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.524350] 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. [ 40.549623] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.560722] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.568048] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.587954] device hsr_slave_0 entered promiscuous mode [ 40.593877] device hsr_slave_1 entered promiscuous mode [ 40.599857] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.607191] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.675620] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.682054] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.688749] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.695378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.726941] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 40.734478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.743433] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.753331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.761975] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.768964] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.776927] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.787904] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.794252] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.804111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.811796] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.818124] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.832472] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.840127] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.846529] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.861464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.869351] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.877501] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.885255] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.894748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.904617] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.910853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.924577] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.931884] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.938543] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.949771] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.962847] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 40.973506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.007725] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 41.015712] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 41.022952] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 41.033275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.041163] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.048042] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.057238] device veth0_vlan entered promiscuous mode [ 41.066327] device veth1_vlan entered promiscuous mode [ 41.072603] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 41.083189] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 41.095440] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 41.104599] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.113017] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.120353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.130809] device veth0_macvtap entered promiscuous mode [ 41.136884] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 41.145841] device veth1_macvtap entered promiscuous mode [ 41.154790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 41.164125] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 41.174405] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.181515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.189834] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.199793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.206757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.321673] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 41.328417] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.348780] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 41.349333] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.361979] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.364136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.369118] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.385216] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.200042] Bluetooth: hci0: command 0x0409 tx timeout 2021/02/23 06:59:43 executed programs: 164 [ 44.278185] Bluetooth: hci0: command 0x041b tx timeout [ 46.357267] Bluetooth: hci0: command 0x040f tx timeout [ 48.435959] Bluetooth: hci0: command 0x0419 tx timeout 2021/02/23 06:59:48 executed programs: 481 2021/02/23 06:59:53 executed programs: 804 2021/02/23 06:59:55 result: hanged=false err=executor 0: exit status 67 wrote=-1, want=40wrote=-1, want=40wrote=-1, want=40 (errno 9: Bad file descriptor) SYZFAIL: netlink_send_ext: short netlink write (errno 0: Success) SYZFAIL: child failed loop exited with status 67 wrote=-1, want=40wrote=-1, want=40wrote=-1, want=40 (errno 9: Bad file descriptor) SYZFAIL: netlink_send_ext: short netlink write (errno 0: Success) SYZFAIL: child failed loop exited with status 67 [ 56.611761] IPVS: ftp: loaded support on port[0] = 21 [ 56.772010] chnl_net:caif_netlink_parms(): no params data found [ 56.907789] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.914184] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.922647] device bridge_slave_0 entered promiscuous mode [ 56.938467] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.945249] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.952627] device bridge_slave_1 entered promiscuous mode [ 57.057214] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.067262] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.085430] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 57.092841] team0: Port device team_slave_0 added [ 57.098656] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 57.106672] team0: Port device team_slave_1 added [ 57.129253] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.135823] 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. [ 57.161165] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.175413] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.181672] 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. [ 57.209478] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.222870] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.229774] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 57.237927] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 57.244702] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.253374] device bridge_slave_1 left promiscuous mode [ 57.259449] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.269982] device bridge_slave_0 left promiscuous mode [ 57.275510] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.289550] device veth1_macvtap left promiscuous mode [ 57.295044] device veth0_macvtap left promiscuous mode [ 57.300384] device veth1_vlan left promiscuous mode [ 57.306777] device veth0_vlan left promiscuous mode [ 58.594393] Bluetooth: hci0: command 0x0409 tx timeout [ 60.674394] Bluetooth: hci0: command 0x041b tx timeout