BUG: memory leak
unreferenced object 0xffff88812a1a5380 (size 64):
  comm "syz-executor688", pid 7154, jiffies 4294942306 (age 7.990s)
  hex dump (first 32 bytes):
    20 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00   N..............
    08 e4 ec 16 82 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fd470e31>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline]
    [<00000000fd470e31>] slab_post_alloc_hook /mm/slab.h:522 [inline]
    [<00000000fd470e31>] slab_alloc /mm/slab.c:3319 [inline]
    [<00000000fd470e31>] kmem_cache_alloc+0x13f/0x280 /mm/slab.c:3483
    [<000000005272f626>] sctp_bucket_create /net/sctp/socket.c:8374 [inline]
    [<000000005272f626>] sctp_get_port_local+0x18a/0x5e0 /net/sctp/socket.c:8121
    [<00000000fff42998>] sctp_do_bind+0xcc/0x1e0 /net/sctp/socket.c:402
    [<000000005ddbc66b>] sctp_bind+0x44/0x70 /net/sctp/socket.c:302
    [<000000003fd0139d>] inet_bind+0x40/0xc0 /net/ipv4/af_inet.c:441
    [<00000000dd10d342>] __sys_bind+0x11c/0x140 /net/socket.c:1647
    [<000000005a7fe5ca>] __do_sys_bind /net/socket.c:1658 [inline]
    [<000000005a7fe5ca>] __se_sys_bind /net/socket.c:1656 [inline]
    [<000000005a7fe5ca>] __x64_sys_bind+0x1e/0x30 /net/socket.c:1656
    [<000000009eedc605>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296
    [<00000000c86f04a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9