[augeas-devel] [PATCH] Fix buffer overflow on strings ending in \ (regexp.c)

[James Antill]

# HG changeset patch
# User james at and.org
# Date 1211393196 14400
# Node ID 8a1ea0e2a3ca69213b9f550749f50dd96a07db97
# Parent  47dc1f2f95254368d46277b295b66349dba2718b
 Fix buffer overflow on strings ending in \

diff --git a/src/regexp.c b/src/regexp.c
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -75,7 +75,7 @@
     CALLOC(pattern, 2*strlen(text)+1);
     p = pattern;
     for (const char *t = text; *t != '\0'; t++) {
-        if (*t == '\\') {
+        if ((*t == '\\') && t[1]) {
             *p++ = *t++;
             *p++ = *t;
         } else if (strchr(".{}[]()+*?", *t) != NULL) {

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
URL: <http://listman.redhat.com/archives/augeas-devel/attachments/20080521/8872d73f/attachment.sig>