BUG: memory leak
unreferenced object 0xffff888118304380 (size 64):
  comm "syz-executor714", pid 7220, jiffies 4294941861 (age 7.720s)
  hex dump (first 32 bytes):
    20 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00   N..............
    d8 c5 1b 25 81 88 ff ff 00 00 00 00 00 00 00 00  ...%............
  backtrace:
    [<00000000fad0952c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fad0952c>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<00000000fad0952c>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000fad0952c>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
    [<00000000b4629e2b>] sctp_bucket_create net/sctp/socket.c:8374 [inline]
    [<00000000b4629e2b>] sctp_get_port_local+0x189/0x5b0 net/sctp/socket.c:8121
    [<000000007d533e15>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402
    [<00000000f979c8c0>] sctp_bind+0x44/0x70 net/sctp/socket.c:302
    [<000000003ce0b4f1>] inet_bind+0x40/0xc0 net/ipv4/af_inet.c:441
    [<000000007d34baed>] __sys_bind+0x11c/0x140 net/socket.c:1647
    [<000000003ad10a65>] __do_sys_bind net/socket.c:1658 [inline]
    [<000000003ad10a65>] __se_sys_bind net/socket.c:1656 [inline]
    [<000000003ad10a65>] __x64_sys_bind+0x1e/0x30 net/socket.c:1656
    [<0000000021ab4d93>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<000000001bd9ac08>] entry_SYSCALL_64_after_hwframe+0x44/0xa9