BUG: memory leak unreferenced object 0xffff88811385bdc0 (size 64): comm "syz-executor827", pid 8743, jiffies 4294960468 (age 14.160s) 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: [<0000000012346683>] kmalloc include/linux/slab.h:557 [inline] [<0000000012346683>] mrp_attr_create net/802/mrp.c:276 [inline] [<0000000012346683>] mrp_request_join+0x153/0x260 net/802/mrp.c:530 [<000000003257702c>] vlan_mvrp_request_join+0x96/0xa0 net/8021q/vlan_mvrp.c:40 [<000000003ff78a1b>] vlan_dev_open+0x1e7/0x330 net/8021q/vlan_dev.c:292 [<0000000035f0f869>] __dev_open+0x175/0x260 net/core/dev.c:1523 [<00000000b4341f1e>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8419 [<000000002f493318>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3123 [<00000000b0a76ced>] __rtnl_newlink+0xa7e/0xdb0 net/core/rtnetlink.c:3460 [<00000000c0a6cddd>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3500 [<000000009563bd93>] rtnetlink_rcv_msg+0x1f5/0x510 net/core/rtnetlink.c:5562 [<00000000975a5a7c>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000009050d024>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000009050d024>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000001a443fa2>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000006fe7180c>] sock_sendmsg_nosec net/socket.c:651 [inline] [<000000006fe7180c>] sock_sendmsg+0x56/0x80 net/socket.c:671 [<0000000003f2e3f9>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2353 [<00000000334a4e7e>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2407 [<0000000084393da8>] __sys_sendmsg+0x88/0x100 net/socket.c:2440 BUG: memory leak unreferenced object 0xffff8881138fa340 (size 64): comm "syz-executor827", pid 8750, jiffies 4294961074 (age 8.100s) 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: [<0000000012346683>] kmalloc include/linux/slab.h:557 [inline] [<0000000012346683>] mrp_attr_create net/802/mrp.c:276 [inline] [<0000000012346683>] mrp_request_join+0x153/0x260 net/802/mrp.c:530 [<000000003257702c>] vlan_mvrp_request_join+0x96/0xa0 net/8021q/vlan_mvrp.c:40 [<000000003ff78a1b>] vlan_dev_open+0x1e7/0x330 net/8021q/vlan_dev.c:292 [<0000000035f0f869>] __dev_open+0x175/0x260 net/core/dev.c:1523 [<00000000b4341f1e>] __dev_change_flags+0x2fd/0x390 net/core/dev.c:8419 [<000000002f493318>] rtnl_configure_link+0x64/0x130 net/core/rtnetlink.c:3123 [<00000000b0a76ced>] __rtnl_newlink+0xa7e/0xdb0 net/core/rtnetlink.c:3460 [<00000000c0a6cddd>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3500 [<000000009563bd93>] rtnetlink_rcv_msg+0x1f5/0x510 net/core/rtnetlink.c:5562 [<00000000975a5a7c>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000009050d024>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000009050d024>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000001a443fa2>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000006fe7180c>] sock_sendmsg_nosec net/socket.c:651 [inline] [<000000006fe7180c>] sock_sendmsg+0x56/0x80 net/socket.c:671 [<0000000003f2e3f9>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2353 [<00000000334a4e7e>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2407 [<0000000084393da8>] __sys_sendmsg+0x88/0x100 net/socket.c:2440