executing program BUG: memory leak unreferenced object 0xffff8881140bd7c0 (size 64): comm "syz-executor194", pid 8612, jiffies 4294944885 (age 12.350s) 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 00 ................ backtrace: [<0000000003dbb3fe>] kmalloc include/linux/slab.h:557 [inline] [<0000000003dbb3fe>] garp_attr_create net/802/garp.c:187 [inline] [<0000000003dbb3fe>] garp_request_join+0x138/0x220 net/802/garp.c:350 [<00000000c599c616>] vlan_gvrp_request_join+0x96/0xa0 net/8021q/vlan_gvrp.c:34 [<000000006c052f6e>] vlan_dev_open+0x1f9/0x330 net/8021q/vlan_dev.c:289 [<00000000a6d59645>] __dev_open+0x175/0x260 net/core/dev.c:1528 [<0000000079522f52>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8479 [<000000000f8e9be9>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3125 [<00000000128f9e68>] __rtnl_newlink+0xa84/0xd80 net/core/rtnetlink.c:3451 [<000000009464f72a>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3491 [<0000000090bf63f4>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5553 [<000000007c7dd7b1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000007ac46484>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000007ac46484>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<00000000b99b76f7>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000225960c7>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000225960c7>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000899eadc0>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2345 [<00000000efbfaf52>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<000000001f98748c>] __sys_sendmsg+0x88/0x100 net/socket.c:2432 BUG: memory leak unreferenced object 0xffff8881140bd780 (size 64): comm "syz-executor194", pid 8612, jiffies 4294944885 (age 12.350s) 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: [<000000003739d236>] kmalloc include/linux/slab.h:557 [inline] [<000000003739d236>] mrp_attr_create net/802/mrp.c:276 [inline] [<000000003739d236>] mrp_request_join+0x153/0x260 net/802/mrp.c:530 [<00000000c817b18b>] vlan_mvrp_request_join+0x96/0xa0 net/8021q/vlan_mvrp.c:40 [<00000000d0d88242>] vlan_dev_open+0x1e7/0x330 net/8021q/vlan_dev.c:292 [<00000000a6d59645>] __dev_open+0x175/0x260 net/core/dev.c:1528 [<0000000079522f52>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8479 [<000000000f8e9be9>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3125 [<00000000128f9e68>] __rtnl_newlink+0xa84/0xd80 net/core/rtnetlink.c:3451 [<000000009464f72a>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3491 [<0000000090bf63f4>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5553 [<000000007c7dd7b1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000007ac46484>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000007ac46484>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<00000000b99b76f7>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000225960c7>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000225960c7>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000899eadc0>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2345 [<00000000efbfaf52>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<000000001f98748c>] __sys_sendmsg+0x88/0x100 net/socket.c:2432