Fix for CID 299778 memory leak on error case

JacobBarthelmeh · JacobBarthelmeh · commit 271fa83a158b · 2023-10-27T14:28:47.000-06:00
diff --git a/src/x509.c b/src/x509.c
@@ -12825,6 +12825,7 @@ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
                 >= tmpSz)
             {
                 WOLFSSL_MSG("buffer overrun");
+                XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
                 return WOLFSSL_FAILURE;
             }
 
@@ -12835,6 +12836,7 @@ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
                 >= tmpSz)
             {
                 WOLFSSL_MSG("buffer overrun");
+                XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
                 return WOLFSSL_FAILURE;
             }
             tmpSz = len + nameStrSz + 1; /* 1 for '=' */

Original file line number	Diff line number	Diff line change
`@@ -12825,6 +12825,7 @@ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,`
`12825`	`12825`	`>= tmpSz)`
`12826`	`12826`	`{`
`12827`	`12827`	`WOLFSSL_MSG("buffer overrun");`
	`12828`	`+ XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);`
`12828`	`12829`	`return WOLFSSL_FAILURE;`
`12829`	`12830`	`}`
`12830`	`12831`
`@@ -12835,6 +12836,7 @@ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,`
`12835`	`12836`	`>= tmpSz)`
`12836`	`12837`	`{`
`12837`	`12838`	`WOLFSSL_MSG("buffer overrun");`
	`12839`	`+ XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);`
`12838`	`12840`	`return WOLFSSL_FAILURE;`
`12839`	`12841`	`}`
`12840`	`12842`	`tmpSz = len + nameStrSz + 1; /* 1 for '=' */`