BUG: memory leak unreferenced object 0xffff888115118700 (size 64): comm "syz-executor831", pid 6715, jiffies 4294944782 (age 12.980s) 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 0b 00 ................ backtrace: [<00000000382a36c7>] kmalloc include/linux/slab.h:559 [inline] [<00000000382a36c7>] garp_attr_create net/802/garp.c:187 [inline] [<00000000382a36c7>] garp_request_join+0x119/0x200 net/802/garp.c:350 [<000000007d455044>] vlan_gvrp_request_join+0x85/0x90 net/8021q/vlan_gvrp.c:34 [<00000000464ea25d>] vlan_dev_open+0x14e/0x260 net/8021q/vlan_dev.c:289 [<000000004a50aab2>] __dev_open+0x12e/0x1f0 net/core/dev.c:1521 [<000000008778eb73>] __dev_change_flags+0x25a/0x2e0 net/core/dev.c:8284 [<00000000374812fd>] rtnl_configure_link+0x51/0x100 net/core/rtnetlink.c:3123 [<00000000f22c7bbe>] __rtnl_newlink+0x90d/0xbc0 net/core/rtnetlink.c:3460 [<00000000c469c322>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3500 [<0000000055a15941>] rtnetlink_rcv_msg+0x17e/0x460 net/core/rtnetlink.c:5563 [<00000000274ae768>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<00000000d5bf5f0c>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000d5bf5f0c>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000008f615fb9>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000c78bce06>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000c78bce06>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000a9e590f3>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<00000000dc299a72>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000957c5cfc>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440