BUG: memory leak
unreferenced object 0xffff888122172e80 (size 128):
  comm "syz-executor637", pid 6877, jiffies 4294941161 (age 7.800s)
  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 2e 17 22 81 88 ff ff  ..........."....
  backtrace:
    [<00000000966b5f71>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000966b5f71>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<00000000966b5f71>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000966b5f71>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<00000000bc922dde>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000bc922dde>] kzalloc include/linux/slab.h:748 [inline]
    [<00000000bc922dde>] tipc_group_create_member+0x3c/0x190 net/tipc/group.c:306
    [<0000000008f7ade1>] tipc_group_add_member+0x34/0x40 net/tipc/group.c:327
    [<00000000d16f6781>] tipc_nametbl_build_group+0x9b/0xf0 net/tipc/name_table.c:600
    [<000000009356a956>] tipc_sk_join net/tipc/socket.c:2900 [inline]
    [<000000009356a956>] tipc_setsockopt+0x170/0x490 net/tipc/socket.c:3005
    [<00000000eaaf1124>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084
    [<000000009422a5cb>] __do_sys_setsockopt net/socket.c:2100 [inline]
    [<000000009422a5cb>] __se_sys_setsockopt net/socket.c:2097 [inline]
    [<000000009422a5cb>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097
    [<000000006a27764e>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<000000000bff2250>] entry_SYSCALL_64_after_hwframe+0x44/0xa9