Avoid resource leaks in do_ssl3_write

Thanks Matt for pointing on it

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18924)

diff --git a/ssl/record/rec_layer_s3.c b/ssl/record/rec_layer_s3.c
index af539a0ea1af05b6e177667ab14812accb67097d..05b49a21e3ac3043a15b05a109ba05937b0e018a 100644 (file)
--- a/ssl/record/rec_layer_s3.c
+++ b/ssl/record/rec_layer_s3.c
@@ -876,7 +876,7 @@ int do_ssl3_write(SSL_CONNECTION *s, int type, const unsigned char *buf,
             eivlen = EVP_CIPHER_CTX_get_iv_length(s->enc_write_ctx);
             if (eivlen < 0) {
                 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
-                return -1;
+                goto err;
            }
             if (eivlen <= 1)
                 eivlen = 0;