Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. syzkaller login: [ 51.528459][ T8438] IPVS: ftp: loaded support on port[0] = 21 [ 51.562671][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 51.584781][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.592801][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.600704][ T8438] device bridge_slave_0 entered promiscuous mode [ 51.608852][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.616287][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.625450][ T8438] device bridge_slave_1 entered promiscuous mode [ 51.636737][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.648416][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.662175][ T8438] team0: Port device team_slave_0 added [ 51.671850][ T8438] team0: Port device team_slave_1 added [ 51.684251][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.696189][ 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. [ 51.729808][ T8438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.744017][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.752446][ 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. [ 51.787068][ T8438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.804528][ T8438] device hsr_slave_0 entered promiscuous mode [ 51.811430][ T8438] device hsr_slave_1 entered promiscuous mode [ 51.843383][ T8438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.852011][ T8438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.860462][ T8438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.868983][ T8438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.882516][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.890626][ T8438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.898364][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.905476][ T8438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.926354][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.936663][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.945687][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.954322][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.962424][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.972322][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.981789][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.990939][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.998136][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.017349][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.026107][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.033699][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.041965][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.050674][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.059684][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.068084][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.076781][ T8438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.085368][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.098639][ T8438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.106906][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.114520][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.127233][ T3841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.141558][ T8438] device veth0_vlan entered promiscuous mode [ 52.148586][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.157969][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.165657][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.176334][ T8438] device veth1_vlan entered promiscuous mode [ 52.189670][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.198736][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.207695][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.217601][ T8438] device veth0_macvtap entered promiscuous mode [ 52.225430][ T8438] device veth1_macvtap entered promiscuous mode [ 52.236912][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.244707][ T3841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.254476][ T3841] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.265166][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.273332][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.283764][ T8438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 52.293293][ T8438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.302772][ T8438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.313181][ T8438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.333007][ T8647] netlink: 'syz-executor060': attribute type 4 has an invalid length. executing program [ 57.506172][ T8648] netlink: 'syz-executor060': attribute type 4 has an invalid length. [ 58.518941][ T8438] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881126e1020 (size 32): comm "syz-executor060", pid 8647, jiffies 4294942504 (age 12.290s) 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: [<000000002b7b3de3>] ip_mc_add_src+0x348/0x450 [<00000000ad4e98a2>] ip_mc_source+0x3d4/0x610 [<000000007e41c266>] ip_setsockopt+0x15d8/0x1f70 [<000000007a15a26b>] tcp_setsockopt+0x70/0x13f0 [<0000000079cb9864>] __sys_setsockopt+0x1b0/0x360 [<000000000ce5bde2>] __x64_sys_setsockopt+0x22/0x30 [<000000008240c275>] do_syscall_64+0x2d/0x70 [<0000000045702968>] entry_SYSCALL_64_after_hwframe+0x44/0xa9