[ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ 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 '10.128.0.149' (ECDSA) to the list of known hosts. 2021/02/22 08:54:58 parsed 1 programs 2021/02/22 08:54:58 executed programs: 0 syzkaller login: [ 30.037224] IPVS: ftp: loaded support on port[0] = 21 [ 30.109953] chnl_net:caif_netlink_parms(): no params data found [ 30.220100] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.226987] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.235052] device bridge_slave_0 entered promiscuous mode [ 30.242715] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.249068] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.256655] device bridge_slave_1 entered promiscuous mode [ 30.272733] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.282094] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.300573] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.307909] team0: Port device team_slave_0 added [ 30.314582] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.322165] team0: Port device team_slave_1 added [ 30.336305] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.342613] 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. [ 30.368434] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.380009] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.386638] 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. [ 30.412239] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.423321] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 30.431110] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.448895] device hsr_slave_0 entered promiscuous mode [ 30.454576] device hsr_slave_1 entered promiscuous mode [ 30.461354] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 30.468292] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 30.527338] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.533928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.540845] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.547193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.575833] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 30.582183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.590134] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.599374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.607818] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.625756] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.636040] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 30.642146] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.649957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.658491] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.664892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.674999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.682618] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.689029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.706955] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 30.717012] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 30.728508] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 30.735697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.743706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.751855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.759322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.766973] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 30.773830] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 30.785370] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 30.793906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 30.801359] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 30.811703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 30.859768] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 30.869664] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 30.898934] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 30.907058] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 30.914175] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 30.923711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 30.932050] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 30.938899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 30.947865] device veth0_vlan entered promiscuous mode [ 30.956880] device veth1_vlan entered promiscuous mode [ 30.962958] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 30.971501] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 30.982697] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 30.991854] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 30.998948] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 31.006705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 31.016194] device veth0_macvtap entered promiscuous mode [ 31.022740] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 31.030918] device veth1_macvtap entered promiscuous mode [ 31.038665] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 31.047832] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 31.057346] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 31.064611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.084193] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 31.092286] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 31.101569] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 31.108430] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 31.116150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 31.124039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 32.050230] Bluetooth: hci0 command 0x0409 tx timeout 2021/02/22 08:55:02 result: hanged=false err=executor 0: exit status 67 wrote=-1, want=28wrote=-1, want=28 (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=28wrote=-1, want=28 (errno 9: Bad file descriptor) SYZFAIL: netlink_send_ext: short netlink write (errno 0: Success) SYZFAIL: child failed loop exited with status 67 [ 33.142099] syz-executor.0 (7994) used greatest stack depth: 25256 bytes left [ 33.590915] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 33.597695] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 33.606230] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 33.613184] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 33.621558] device bridge_slave_1 left promiscuous mode [ 33.627208] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.636584] device bridge_slave_0 left promiscuous mode [ 33.642609] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.653557] device veth1_macvtap left promiscuous mode [ 33.659087] device veth0_macvtap left promiscuous mode [ 33.664551] device veth1_vlan left promiscuous mode [ 33.670183] device veth0_vlan left promiscuous mode [ 33.735793] device hsr_slave_1 left promiscuous mode [ 33.745289] device hsr_slave_0 left promiscuous mode [ 33.756102] team0 (unregistering): Port device team_slave_1 removed [ 33.766694] team0 (unregistering): Port device team_slave_0 removed [ 33.775945] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 33.786753] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 33.808760] bond0 (unregistering): Released all slaves [ 34.362609] IPVS: ftp: loaded support on port[0] = 21 [ 34.430005] chnl_net:caif_netlink_parms(): no params data found [ 34.475172] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.481786] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.489444] device bridge_slave_0 entered promiscuous mode [ 34.495915] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.503047] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.510065] device bridge_slave_1 entered promiscuous mode [ 34.527511] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.536217] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.553091] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.560165] team0: Port device team_slave_0 added [ 34.565467] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.573442] team0: Port device team_slave_1 added [ 34.587246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.594052] 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. [ 34.619711] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.630879] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.637129] 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. [ 34.662901] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.673721] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.681378] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.699329] device hsr_slave_0 entered promiscuous mode [ 34.704900] device hsr_slave_1 entered promiscuous mode [ 34.711398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.719265] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.775587] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.781984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.788628] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.794990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.820494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.828870] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.836662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.845470] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.852635] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.862586] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.868767] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.876654] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.885015] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.891416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.900865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.908849] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.915171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.932939] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 34.943057] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 34.954147] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 34.961238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.969340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.976767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.985153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.993179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.000422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.012535] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 35.020017] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.026798] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.039702] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.086262] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 35.095990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.121359] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 35.128884] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 35.135339] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 35.144684] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 35.151615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 35.159516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.169505] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.176327] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.183848] device veth0_vlan entered promiscuous mode [ 35.192234] device veth1_vlan entered promiscuous mode [ 35.198509] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 35.206478] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 35.216851] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 35.225587] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 35.232451] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.239890] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.246894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 35.254650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.264188] device veth0_macvtap entered promiscuous mode [ 35.270617] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 35.278689] device veth1_macvtap entered promiscuous mode [ 35.284665] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 35.293096] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 35.302273] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 35.311359] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 35.318562] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.325105] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.332749] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 35.340424] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 35.348699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.358798] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 35.365770] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.372388] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 35.380177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2021/02/22 08:55:05 executed programs: 230 [ 36.286907] Bluetooth: hci0 command 0x0409 tx timeout [ 38.365945] Bluetooth: hci0 command 0x041b tx timeout 2021/02/22 08:55:10 executed programs: 1041 [ 40.454961] Bluetooth: hci0 command 0x040f tx timeout [ 42.525862] Bluetooth: hci0 command 0x0419 tx timeout 2021/02/22 08:55:12 result: hanged=false err=executor 0: exit status 67 wrote=-1, want=28 (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=28 (errno 9: Bad file descriptor) SYZFAIL: netlink_send_ext: short netlink write (errno 0: Success) SYZFAIL: child failed loop exited with status 67