commit 6a36fbe3b3e001a8a840b5c1fdd81cefc9947f0d
author Daniel Veillard <veillard@redhat.com> Mon Oct 29 10:39:55 2012 +0800
committer Daniel Veillard <veillard@redhat.com> Mon Oct 29 10:39:55 2012 +0800
tree 71ab4e06fda67e38a1a7a51ef25b609c89f87ea3
parent 4ea74a440d6f7ff0f6e2d25a780aee21f86762a8

Fix potential out of bound access

parser.c

diff --git a/parser.c b/parser.c
index 0d8d7f2..bd634e9 100644
--- a/parser.c
+++ b/parser.c
@@ -4076,7 +4076,7 @@
         goto error;
 
     if ((in_space) && (normalize)) {
-        while (buf[len - 1] == 0x20) len--;
+        while ((len > 0) && (buf[len - 1] == 0x20)) len--;
     }
     buf[len] = 0;
     if (RAW == '<') {