CID 426066 fix check if null before free

JacobBarthelmeh · JacobBarthelmeh · commit 27267d7d2e05 · 2024-10-22T00:21:26.000-06:00
diff --git a/src/x509.c b/src/x509.c
@@ -14111,7 +14111,9 @@ int wolfSSL_X509_check_ip_asc(WOLFSSL_X509 *x, const char *ipasc,
     }
 
 #ifdef WOLFSSL_SMALL_STACK
-    XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);
+    if (x != NULL) {
+        XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);
+    }
 #endif
 
     return ret;

Original file line number	Diff line number	Diff line change
`@@ -14111,7 +14111,9 @@ int wolfSSL_X509_check_ip_asc(WOLFSSL_X509 x, const char ipasc,`
`14111`	`14111`	`}`
`14112`	`14112`
`14113`	`14113`	`#ifdef WOLFSSL_SMALL_STACK`
`14114`		`- XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);`
	`14114`	`+ if (x != NULL) {`
	`14115`	`+ XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);`
	`14116`	`+ }`
`14115`	`14117`	`#endif`
`14116`	`14118`
`14117`	`14119`	`return ret;`