BUG: memory leak
unreferenced object 0xffff888121f47380 (size 64):
  comm "syz-executor266", pid 6987, jiffies 4294941623 (age 7.750s)
  hex dump (first 32 bytes):
    20 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00   N..............
    88 b4 ed 16 82 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000008479d2f0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000008479d2f0>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000008479d2f0>] slab_alloc mm/slab.c:3319 [inline]
    [<000000008479d2f0>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
    [<0000000001eaa40f>] sctp_bucket_create net/sctp/socket.c:8523 [inline]
    [<0000000001eaa40f>] sctp_get_port_local+0x189/0x5a0 net/sctp/socket.c:8270
    [<00000000ee3e8262>] sctp_do_bind+0xcc/0x200 net/sctp/socket.c:402
    [<00000000a1af7edf>] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:497
    [<000000008ba55a93>] sctp_setsockopt_bindx+0x156/0x1b0 net/sctp/socket.c:1022
    [<00000000b24d0d56>] sctp_setsockopt net/sctp/socket.c:4641 [inline]
    [<00000000b24d0d56>] sctp_setsockopt+0xaea/0x2dc0 net/sctp/socket.c:4611
    [<00000000e7ad6c7c>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3147
    [<000000001760ea55>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084
    [<00000000f9d22237>] __do_sys_setsockopt net/socket.c:2100 [inline]
    [<00000000f9d22237>] __se_sys_setsockopt net/socket.c:2097 [inline]
    [<00000000f9d22237>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097
    [<000000005a4e0ea5>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<00000000e7e3626b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9