[ 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 '10.128.0.75' (ECDSA) to the list of known hosts. 2021/05/29 00:56:28 parsed 1 programs 2021/05/29 00:56:36 executed programs: 0 syzkaller login: [ 1076.185062][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 1076.203932][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 1076.214233][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 1076.221947][ T8430] device bridge_slave_0 entered promiscuous mode [ 1076.229092][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 1076.236316][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 1076.243704][ T8430] device bridge_slave_1 entered promiscuous mode [ 1076.254289][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1076.264564][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1076.277656][ T8430] team0: Port device team_slave_0 added [ 1076.283811][ T8430] team0: Port device team_slave_1 added [ 1076.293046][ T8430] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1076.300230][ T8430] 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. [ 1076.326455][ T8430] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1076.337717][ T8430] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1076.344652][ T8430] 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. [ 1076.370921][ T8430] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1076.386553][ T8430] device hsr_slave_0 entered promiscuous mode [ 1076.392888][ T8430] device hsr_slave_1 entered promiscuous mode [ 1076.422027][ T8430] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1076.429800][ T8430] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1076.437703][ T8430] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1076.445546][ T8430] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1076.457233][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 1076.464264][ T8430] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1076.471520][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 1076.478667][ T8430] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1076.497793][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1076.507332][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1076.516134][ T8570] bridge0: port 1(bridge_slave_0) entered disabled state [ 1076.523603][ T8570] bridge0: port 2(bridge_slave_1) entered disabled state [ 1076.531615][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1076.540826][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 1076.549196][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1076.557696][ T8650] bridge0: port 1(bridge_slave_0) entered blocking state [ 1076.564733][ T8650] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1076.574018][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1076.582384][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 1076.589623][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1076.601374][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1076.613781][ T8430] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1076.624332][ T8430] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1076.636133][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1076.643706][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1076.652261][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1076.660561][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1076.669051][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1076.679826][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1076.687321][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1076.696987][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1076.709135][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1076.722425][ T8430] device veth0_vlan entered promiscuous mode [ 1076.728714][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1076.737045][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1076.744438][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1076.754174][ T8430] device veth1_vlan entered promiscuous mode [ 1076.765944][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1076.773849][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1076.781914][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1076.791011][ T8430] device veth0_macvtap entered promiscuous mode [ 1076.798988][ T8430] device veth1_macvtap entered promiscuous mode [ 1076.809797][ T8430] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1076.817307][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1076.826062][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1076.835427][ T8430] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1076.842794][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1076.852221][ T8430] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.861118][ T8430] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.869828][ T8430] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.878705][ T8430] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1076.909225][ T567] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1076.922389][ T567] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1076.936036][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1076.944226][ T8420] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1076.952306][ T8420] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1076.959817][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1076.979494][ T8672] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1078.185697][ T8570] Bluetooth: hci0: command 0x0409 tx timeout [ 1080.265296][ T8570] Bluetooth: hci0: command 0x041b tx timeout 2021/05/29 00:56:43 executed programs: 1 [ 1082.305359][ T8678] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1082.320723][ T8679] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1082.345299][ T3796] Bluetooth: hci0: command 0x040f tx timeout [ 1083.430893][ T8680] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1084.425248][ T8570] Bluetooth: hci0: command 0x0419 tx timeout BUG: memory leak unreferenced object 0xffff88811933b960 (size 32): comm "syz-executor.0", pid 8672, jiffies 4295044967 (age 12.710s) 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