1 files changed, 5 insertions, 0 deletions

diff --git a/src/regress/lib/libcrypto/aead/aeadtest.c b/src/regress/lib/libcrypto/aead/aeadtest.c
index 72209f5caa..270d68666e 100644
--- a/src/regress/lib/libcrypto/aead/aeadtest.c
+++ b/src/regress/lib/libcrypto/aead/aeadtest.c
@@ -199,6 +199,11 @@ run_test_case(const EVP_AEAD* aead, unsigned char bufs[NUM_TYPES][BUF_MAX],
                 return 0;
         }
 
+        if (memcmp(out2, bufs[IN], out_len2) != 0) {
+                fprintf(stderr, "Plaintext mismatch on line %u\n", line_no);
+                return 0;
+        }
+
         out[0] ^= 0x80;
         if (EVP_AEAD_CTX_open(&ctx, out2, &out_len2, lengths[IN], bufs[NONCE],
             lengths[NONCE], out, out_len, bufs[AD], lengths[AD])) {