From: Bob Weinand <bobwei9@hotmail.com>
Date: Sun, 26 Oct 2014 09:48:45 +0000 (+0100)
Subject: Fix nullptr dereference in clean without exec context
X-Git-Tag: php-5.6.3RC1~34^2~3^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1ff04117c3937de6af116a229c0b43c8ca969b70;p=php

Fix nullptr dereference in clean without exec context
---

diff --git a/phpdbg_prompt.c b/phpdbg_prompt.c
index 29c75c583c..eca4c6ac2b 100644
--- a/phpdbg_prompt.c
+++ b/phpdbg_prompt.c
@@ -1320,7 +1320,10 @@ void phpdbg_clean(zend_bool full TSRMLS_DC) /* {{{ */
 	}
 
 	if (full) {
-		phpdbg_exec = strdup(PHPDBG_G(exec)); /* preserve exec, don't reparse that from cmd */
+		if (PHPDBG_G(exec)) {
+			phpdbg_exec = strdup(PHPDBG_G(exec)); /* preserve exec, don't reparse that from cmd */
+		}
+
 		PHPDBG_G(flags) |= PHPDBG_IS_CLEANING;
 
 		zend_bailout();