BUG: memory leak
unreferenced object 0xffff888114e85380 (size 64):
  comm "syz-executor898", pid 6975, jiffies 4294941342 (age 7.970s)
  hex dump (first 32 bytes):
    23 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00  #N..............
    c8 02 3f 17 82 88 ff ff 00 00 00 00 00 00 00 00  ..?.............
  backtrace:
    [<0000000065228cbf>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000065228cbf>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<0000000065228cbf>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000065228cbf>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
    [<0000000077eeeb9c>] sctp_bucket_create net/sctp/socket.c:8374 [inline]
    [<0000000077eeeb9c>] sctp_get_port_local+0x189/0x5b0 net/sctp/socket.c:8121
    [<00000000bd0770cb>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402
    [<00000000ca70eb1d>] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:496
    [<00000000b269fd32>] sctp_setsockopt_bindx+0x18b/0x1f0 net/sctp/socket.c:1023
    [<0000000059d4adec>] sctp_setsockopt net/sctp/socket.c:4635 [inline]
    [<0000000059d4adec>] sctp_setsockopt+0x924/0x2bd0 net/sctp/socket.c:4605
    [<000000007a68c1a2>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3139
    [<00000000a8d71129>] __sys_setsockopt+0x10f/0x220 net/socket.c:2084
    [<00000000406668cf>] __do_sys_setsockopt net/socket.c:2100 [inline]
    [<00000000406668cf>] __se_sys_setsockopt net/socket.c:2097 [inline]
    [<00000000406668cf>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2097
    [<000000002189acfc>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<00000000f3d6790e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9