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BUG: memory leak
unreferenced object 0xffff888117ca7280 (size 96):
  comm "syz-executor364", pid 6844, jiffies 4294941067 (age 48.690s)
  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 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fa0a2dc4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fa0a2dc4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fa0a2dc4>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000fa0a2dc4>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<00000000b2aab174>] kmalloc include/linux/slab.h:556 [inline]
    [<00000000b2aab174>] kzalloc include/linux/slab.h:690 [inline]
    [<00000000b2aab174>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158
    [<00000000d04e8b57>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1797
    [<000000003dab11c5>] sctp_sendmsg+0x2a6/0xc60 net/sctp/socket.c:2017
    [<0000000056b57466>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807
    [<000000000d34cfb2>] sock_sendmsg_nosec net/socket.c:637 [inline]
    [<000000000d34cfb2>] sock_sendmsg+0x54/0x70 net/socket.c:657
    [<000000004089e338>] __sys_sendto+0x148/0x1f0 net/socket.c:1952
    [<000000008c68b0f5>] __do_sys_sendto net/socket.c:1964 [inline]
    [<000000008c68b0f5>] __se_sys_sendto net/socket.c:1960 [inline]
    [<000000008c68b0f5>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1960
    [<00000000eef8675b>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<00000000615c6484>] entry_SYSCALL_64_after_hwframe+0x44/0xa9