BUG: memory leak
unreferenced object 0xffff88811c363980 (size 128):
  comm "syz-executor648", pid 7026, jiffies 4294941229 (age 8.210s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 98 39 36 1c 81 88 ff ff  .........96.....
  backtrace:
    [<0000000046cfec1b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000046cfec1b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000046cfec1b>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000046cfec1b>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<00000000f3375dee>] kmalloc include/linux/slab.h:556 [inline]
    [<00000000f3375dee>] kzalloc include/linux/slab.h:690 [inline]
    [<00000000f3375dee>] tipc_group_create_member+0x3c/0x190 net/tipc/group.c:306
    [<000000004e9ae57c>] tipc_group_add_member+0x34/0x40 net/tipc/group.c:327
    [<0000000081c34499>] tipc_nametbl_build_group+0x9b/0xf0 net/tipc/name_table.c:600
    [<00000000e4fbb6b9>] tipc_sk_join net/tipc/socket.c:2900 [inline]
    [<00000000e4fbb6b9>] tipc_setsockopt+0x170/0x490 net/tipc/socket.c:3005
    [<000000005ac95b20>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084
    [<00000000a8374a14>] __do_sys_setsockopt net/socket.c:2100 [inline]
    [<00000000a8374a14>] __se_sys_setsockopt net/socket.c:2097 [inline]
    [<00000000a8374a14>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097
    [<0000000097cb54fa>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000005bc9f0be>] entry_SYSCALL_64_after_hwframe+0x44/0xa9