From: Pierre Joye <pajoye@php.net>
Date: Mon, 10 Jan 2011 00:30:07 +0000 (+0000)
Subject: - fix possible NULL deref
X-Git-Tag: php-5.4.0alpha1~191^2~397
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=26bb38e68ba1352440793df17eeb3bbdf1fbce7c;p=php

- fix possible NULL deref
---

diff --git a/TSRM/tsrm_virtual_cwd.c b/TSRM/tsrm_virtual_cwd.c
index b0fd1ae8ab..2335d5e890 100644
--- a/TSRM/tsrm_virtual_cwd.c
+++ b/TSRM/tsrm_virtual_cwd.c
@@ -1874,6 +1874,9 @@ CWD_API char *tsrm_realpath(const char *path, char *real_path TSRMLS_DC) /* {{{
 	/* realpath("") returns CWD */
 	if (!*path) {
 		new_state.cwd = (char*)malloc(1);
+		if (new_state.cwd == NULL) {
+			return NULL;
+		}
 		new_state.cwd[0] = '\0';
 		new_state.cwd_length = 0;
 		if (VCWD_GETCWD(cwd, MAXPATHLEN)) {
@@ -1885,6 +1888,9 @@ CWD_API char *tsrm_realpath(const char *path, char *real_path TSRMLS_DC) /* {{{
 		new_state.cwd_length = strlen(cwd);
 	} else {
 		new_state.cwd = (char*)malloc(1);
+		if (new_state.cwd == NULL) {
+			return NULL;
+		}
 		new_state.cwd[0] = '\0';
 		new_state.cwd_length = 0;
 	}