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Fix memory leak.

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Fix memory leak by freeing up saved_message.data if it is not NULL.

PR#3489
Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
This commit is contained in:
Martin Brejcha 2014-11-16 17:04:40 +00:00 committed by Dr. Stephen Henson
parent 3a83462dfe
commit 41cd41c441
1 changed files with 10 additions and 2 deletions
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12
crypto/bio/bss_dgram.c
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@ -1097,7 +1097,12 @@ static int dgram_sctp_free(BIO *a)
return 0;
data = (bio_dgram_sctp_data *)a->ptr;
if(data != NULL) OPENSSL_free(data);
if(data != NULL)
{
if(data->saved_message.data != NULL)
OPENSSL_free(data->saved_message.data);
OPENSSL_free(data);
}
return(1);
}
@ -1214,6 +1219,7 @@ static int dgram_sctp_read(BIO *b, char *out, int outl)
dgram_sctp_write(data->saved_message.bio, data->saved_message.data,
data->saved_message.length);
OPENSSL_free(data->saved_message.data);
data->saved_message.data = NULL;
data->saved_message.length = 0;
}
@ -1385,9 +1391,11 @@ static int dgram_sctp_write(BIO *b, const char *in, int inl)
if (data->save_shutdown && !BIO_dgram_sctp_wait_for_dry(b))
{
data->saved_message.bio = b;
data->saved_message.length = inl;
if (data->saved_message.data)
OPENSSL_free(data->saved_message.data);
data->saved_message.data = OPENSSL_malloc(inl);
memcpy(data->saved_message.data, in, inl);
data->saved_message.length = inl;
return inl;
}