free buffer when using small stack

2019-06-05 08:13:35 +07:00 · 2019-06-05 08:13:35 +07:00 · cba8a7f155
commit cba8a7f155
parent 4362ce5f6b
1 changed files with 3 additions and 0 deletions
--- a/wolfcrypt/src/pkcs7.c
+++ b/wolfcrypt/src/pkcs7.c
@ -3358,6 +3358,9 @@ static int wc_PKCS7_SignedDataVerifySignature(PKCS7* pkcs7, byte* sig,
            XMEMCPY(pkcs7->pkcs7Digest, pkcs7Digest, pkcs7DigestSz);
            pkcs7->pkcs7DigestSz = pkcs7DigestSz;

+            #ifdef WOLFSSL_SMALL_STACK
+            XFREE(pkcs7Digest, pkcs7->heap, DYNAMIC_TYPE_TMP_BUFFER);
+            #endif
            return PKCS7_SIGNEEDS_CHECK;
        }
    }