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Fix a memory leak in tls1_mac

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Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5650)
This commit is contained in:
Bernd Edlinger 2018-03-16 21:12:22 +01:00
parent 302d1697fe
commit a080c3e816
1 changed files with 3 additions and 1 deletions
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4
ssl/record/ssl3_record.c
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@ -1297,8 +1297,10 @@ int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)
mac_ctx = hash;
} else {
hmac = EVP_MD_CTX_new();
if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash))
if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash)) {
EVP_MD_CTX_free(hmac);
return 0;
}
mac_ctx = hmac;
}