Fix memory leak in tls_parse_stoc_key_share

Found by oss-fuzz

Reviewed-by: Richard Levitte <levitte@openssl.org>
GH: #2102

diff --git a/ssl/statem/extensions_clnt.c b/ssl/statem/extensions_clnt.c
index 70d90e7b4fd2a2aa91f34c956951fcb9fc84309b..6d2ed23c89e7f20e4e695f17d081879e02739190 100644 (file)
--- a/ssl/statem/extensions_clnt.c
+++ b/ssl/statem/extensions_clnt.c
@@ -1027,6 +1027,7 @@ int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, int *al)
                                         PACKET_remaining(&encoded_pt))) {
         *al = SSL_AD_DECODE_ERROR;
         SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, SSL_R_BAD_ECPOINT);
+        EVP_PKEY_free(skey);
         return 0;
     }