[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. 2021/05/22 22:09:31 parsed 1 programs 2021/05/22 22:09:38 executed programs: 0 syzkaller login: [ 1075.400765][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 1075.423594][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.430672][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 1075.438550][ T8438] device bridge_slave_0 entered promiscuous mode [ 1075.445775][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.453186][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 1075.460620][ T8438] device bridge_slave_1 entered promiscuous mode [ 1075.470738][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1075.480413][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1075.492846][ T8438] team0: Port device team_slave_0 added [ 1075.498933][ T8438] team0: Port device team_slave_1 added [ 1075.507901][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1075.515133][ T8438] 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. [ 1075.541132][ T8438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1075.552122][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1075.559291][ T8438] 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. [ 1075.585382][ T8438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1075.600385][ T8438] device hsr_slave_0 entered promiscuous mode [ 1075.606603][ T8438] device hsr_slave_1 entered promiscuous mode [ 1075.631872][ T8438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1075.640021][ T8438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1075.647244][ T8438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1075.655108][ T8438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1075.666417][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.673471][ T8438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1075.680722][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.687726][ T8438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1075.705429][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1075.713906][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1075.721762][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 1075.729759][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 1075.737242][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1075.746067][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 1075.754354][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1075.762846][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.770503][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1075.786756][ T8438] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1075.797144][ T8438] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1075.808388][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1075.816781][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.823824][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1075.831490][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1075.839673][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1075.847678][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1075.855597][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1075.863708][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1075.871091][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1075.881641][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1075.889377][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1075.898408][ T8438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1075.909388][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1075.921336][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1075.929404][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1075.936769][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1075.945905][ T8438] device veth0_vlan entered promiscuous mode [ 1075.953985][ T8438] device veth1_vlan entered promiscuous mode [ 1075.964748][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1075.972619][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1075.980525][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1075.989868][ T8438] device veth0_macvtap entered promiscuous mode [ 1075.997835][ T8438] device veth1_macvtap entered promiscuous mode [ 1076.007880][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1076.015236][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1076.023695][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1076.032683][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1076.040265][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1076.049519][ T8438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.058202][ T8438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.067011][ T8438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.075727][ T8438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.097100][ T8517] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1076.107599][ T8517] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1076.119972][ T8480] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1076.127823][ T8480] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1076.135238][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1076.142974][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1076.158275][ T8682] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1077.409254][ T19] Bluetooth: hci0: command 0x0409 tx timeout [ 1079.488647][ T19] Bluetooth: hci0: command 0x041b tx timeout 2021/05/22 22:09:45 executed programs: 1 [ 1081.469031][ T8688] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1081.491644][ T8689] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1081.568485][ T8126] Bluetooth: hci0: command 0x040f tx timeout [ 1082.558658][ T8690] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1083.648264][ T19] Bluetooth: hci0: command 0x0419 tx timeout BUG: memory leak unreferenced object 0xffff8881191500a0 (size 32): comm "syz-executor.0", pid 8682, jiffies 4295044890 (age 12.650s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 ................ backtrace: [] ip_mc_add_src+0x348/0x450 [] ip_mc_source+0x3d4/0x610 [] ip_setsockopt+0x15d8/0x1ff0 [] tcp_setsockopt+0x70/0x1420 [] __sys_setsockopt+0x1b0/0x360 [] __x64_sys_setsockopt+0x22/0x30 [] do_syscall_64+0x3a/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae