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From 932a017c745d40d661602f6145c95c9226d8450d Mon Sep 17 00:00:00 2001
From: Stephen Pohl <spohl.mozilla.bugs@gmail.com>
Date: Sat, 18 Jul 2015 18:42:15 -0700
Subject: [PATCH] Bug 1184500 - Improve handling of index names in MAR files.
r=rstrong, a=lmandel
---
modules/libmar/src/mar_read.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/modules/libmar/src/mar_read.c b/modules/libmar/src/mar_read.c
index c647370..2013b0f 100644
--- a/modules/libmar/src/mar_read.c
+++ b/modules/libmar/src/mar_read.c
@@ -96,6 +96,10 @@ static int mar_consume_index(MarFile *mar, char **buf, const char *buf_end) {
++(*buf);
}
namelen = (*buf - name);
+ /* must ensure that namelen is valid */
+ if (namelen < 0) {
+ return -1;
+ }
/* consume null byte */
if (*buf == buf_end)
return -1;
--
2.4.3
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