BUG: memory leak
unreferenced object 0xffff888113d69a80 (size 64):
  comm "syz-executor904", pid 8680, jiffies 4294942248 (age 8.050s)
  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 08 00 00 00 01 02 00 03  ................
  backtrace:
    [<000000006d144268>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006d144268>] garp_attr_create net/802/garp.c:187 [inline]
    [<000000006d144268>] garp_request_join+0x138/0x220 net/802/garp.c:350
    [<00000000b13f4b39>] vlan_gvrp_request_join+0x96/0xa0 net/8021q/vlan_gvrp.c:34
    [<000000008b03f24d>] vlan_dev_open+0x1f9/0x330 net/8021q/vlan_dev.c:289
    [<000000006aa5d3bd>] __dev_open+0x175/0x260 net/core/dev.c:1528
    [<0000000097604f8b>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8478
    [<00000000fb403690>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3125
    [<00000000760a45df>] __rtnl_newlink+0xa84/0xd80 net/core/rtnetlink.c:3451
    [<0000000037d34de3>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3491
    [<0000000090ecea66>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5553
    [<00000000d8691375>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494
    [<000000003571643a>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<000000003571643a>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330
    [<00000000b40f820a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919
    [<00000000b0573f3f>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000b0573f3f>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000e012da6f>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2345
    [<000000001e68a40e>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000004bcddbf7>] __sys_sendmsg+0x88/0x100 net/socket.c:2432

BUG: memory leak
unreferenced object 0xffff888113d69a40 (size 64):
  comm "syz-executor904", pid 8680, jiffies 4294942248 (age 8.050s)
  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 03  ................
  backtrace:
    [<000000006df9ee39>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006df9ee39>] mrp_attr_create net/802/mrp.c:276 [inline]
    [<000000006df9ee39>] mrp_request_join+0x153/0x260 net/802/mrp.c:530
    [<0000000098378550>] vlan_mvrp_request_join+0x96/0xa0 net/8021q/vlan_mvrp.c:40
    [<00000000d458b5f1>] vlan_dev_open+0x1e7/0x330 net/8021q/vlan_dev.c:292
    [<000000006aa5d3bd>] __dev_open+0x175/0x260 net/core/dev.c:1528
    [<0000000097604f8b>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8478
    [<00000000fb403690>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3125
    [<00000000760a45df>] __rtnl_newlink+0xa84/0xd80 net/core/rtnetlink.c:3451
    [<0000000037d34de3>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3491
    [<0000000090ecea66>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5553
    [<00000000d8691375>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494
    [<000000003571643a>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<000000003571643a>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330
    [<00000000b40f820a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919
    [<00000000b0573f3f>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000b0573f3f>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000e012da6f>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2345
    [<000000001e68a40e>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000004bcddbf7>] __sys_sendmsg+0x88/0x100 net/socket.c:2432