[ 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 '10.128.10.39' (ECDSA) to the list of known hosts. syzkaller login: [ 202.479902][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 202.504221][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 202.524567][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.531677][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.539528][ T8482] device bridge_slave_0 entered promiscuous mode [ 202.546452][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.553554][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.560965][ T8482] device bridge_slave_1 entered promiscuous mode [ 202.571455][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 202.581083][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 202.593760][ T8482] team0: Port device team_slave_0 added [ 202.599990][ T8482] team0: Port device team_slave_1 added [ 202.609059][ T8482] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 202.615992][ T8482] 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. [ 202.641867][ T8482] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 202.652863][ T8482] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 202.659811][ T8482] 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. [ 202.685872][ T8482] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 202.701631][ T8482] device hsr_slave_0 entered promiscuous mode [ 202.707855][ T8482] device hsr_slave_1 entered promiscuous mode [ 202.737141][ T8482] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 202.744703][ T8482] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 202.752310][ T8482] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 202.759913][ T8482] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 202.771903][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.778924][ T8482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 202.786157][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.793182][ T8482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 202.812559][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 202.821545][ T3656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 202.829856][ T3656] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.837038][ T3656] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.844726][ T3656] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 202.853566][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 202.861888][ T4591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 202.870327][ T4591] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.877353][ T4591] bridge0: port 1(bridge_slave_0) entered forwarding state [ 202.886188][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 202.894433][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.901464][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 202.916821][ T8482] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 202.927221][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 202.938695][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 202.946833][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 202.955869][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 202.963976][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 202.971934][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 202.979287][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 202.992372][ T8482] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 202.999364][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 203.006690][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 203.018859][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 203.031344][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 203.039449][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 203.046811][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 203.055619][ T8482] device veth0_vlan entered promiscuous mode [ 203.064111][ T8482] device veth1_vlan entered promiscuous mode [ 203.075848][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 203.084223][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 203.092180][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 203.101582][ T8482] device veth0_macvtap entered promiscuous mode [ 203.109324][ T8482] device veth1_macvtap entered promiscuous mode [ 203.119834][ T8482] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 203.127766][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 203.136598][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 203.145727][ T8482] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 203.153324][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 203.162799][ T8482] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.171642][ T8482] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.171658][ T8482] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 203.171674][ T8482] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 262.979502][ T8739] device bridge_slave_1 left promiscuous mode [ 262.985642][ T8739] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.993758][ T8739] device bridge_slave_0 left promiscuous mode [ 262.999891][ T8739] bridge0: port 1(bridge_slave_0) entered disabled state [ 268.856923][ T8482] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888113cd9040 (size 64): comm "syz-executor594", pid 8739, jiffies 4294963571 (age 7.910s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 01 02 00 00 ................ backtrace: [<00000000b276012c>] mrp_request_join+0x153/0x260 [<00000000dd33b681>] vlan_mvrp_request_join+0x96/0xa0 [<000000003056fca8>] vlan_dev_open+0x1e7/0x330 [<00000000d65e04ac>] __dev_open+0x175/0x260 [<000000001ca13b0c>] __dev_change_flags+0x2fd/0x390 [<00000000fb504ba6>] rtnl_configure_link+0x64/0x130 [<00000000752c062b>] __rtnl_newlink+0xa7e/0xdb0 [<0000000027b7ff2f>] rtnl_newlink+0x49/0x70 [<0000000048254aec>] rtnetlink_rcv_msg+0x1f5/0x510 [<00000000ea18453b>] netlink_rcv_skb+0x87/0x1d0 [<00000000ac717389>] netlink_unicast+0x392/0x4c0 [<000000004995621d>] netlink_sendmsg+0x368/0x6a0 [<00000000c3012bd6>] sock_sendmsg+0x56/0x80 [<00000000661233eb>] ____sys_sendmsg+0x36c/0x390 [<00000000e2436cad>] ___sys_sendmsg+0x8b/0xd0 [<00000000623d5e7e>] __sys_sendmsg+0x88/0x100