BUG: memory leak unreferenced object 0xffff888125eff700 (size 64): comm "syz-executor.5", pid 11734, jiffies 4294969240 (age 15.770s) 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: [<000000008f218098>] kmalloc include/linux/slab.h:557 [inline] [<000000008f218098>] mrp_attr_create net/802/mrp.c:276 [inline] [<000000008f218098>] mrp_request_join+0x153/0x260 net/802/mrp.c:530 [<000000002e71ab03>] vlan_mvrp_request_join+0x96/0xa0 net/8021q/vlan_mvrp.c:40 [<00000000c8d24552>] vlan_dev_open+0x1e7/0x330 net/8021q/vlan_dev.c:292 [<00000000d750232e>] __dev_open+0x175/0x260 net/core/dev.c:1528 [<00000000134ee78c>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8478 [<00000000747a5d33>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3125 [<00000000c409a446>] __rtnl_newlink+0xa7e/0xdc0 net/core/rtnetlink.c:3462 [<00000000d2982506>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3502 [<00000000e7d184ca>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5564 [<000000008ad17efd>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<0000000030392667>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000030392667>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000009f118a9a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000e5b8509a>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000e5b8509a>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000295dc42d>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2345 [<00000000d84fc983>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<00000000f27cfdd6>] __sys_sendmsg+0x88/0x100 net/socket.c:2432