Fix an uninit read picked up by Travis
The siglen value needs to be initialised prior to it being read in the
call to EVP_DigestSignFinal later in this function.
@@ -2240,8 +2240,8 @@ int tls_construct_server_key_exchange(SSL *s, WPACKET *pkt)
* up front, and then properly allocate them in the WPACKET
* afterwards.
*/
- if (!WPACKET_sub_reserve_bytes_u16(pkt, EVP_PKEY_size(pkey),
- &sigbytes1)
+ siglen = EVP_PKEY_size(pkey);
+ if (!WPACKET_sub_reserve_bytes_u16(pkt, siglen, &sigbytes1)
|| EVP_DigestSignInit(md_ctx, &pctx, md, NULL, pkey) <= 0) {
SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_KEY_EXCHANGE,
ERR_R_INTERNAL_ERROR);
