From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Fri, 31 Jul 2015 22:10:03 +0000 (-0600)
Subject: Avoid a potential out of bounds read found by enh while fuzzing
X-Git-Tag: SUDO_1_8_15^2~103
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1965da8c33bb278beea046c3abeeb0f0e6c91e70;p=sudo

Avoid a potential out of bounds read found by enh while fuzzing
with address sanitizer enabled.
---

diff --git a/lib/util/fnmatch.c b/lib/util/fnmatch.c
index 8861937d4..18855992d 100644
--- a/lib/util/fnmatch.c
+++ b/lib/util/fnmatch.c
@@ -188,6 +188,8 @@ static int fnmatch_ch(const char **pattern, const char **string, int flags)
                 result = 0;
                 continue;
             }
+            if (!**pattern)
+                break;
 
 leadingclosebrace:
             /* Look at only well-formed range patterns;