From: Michihiro NAKAJIMA <ggcueroad@gmail.com>
Date: Wed, 14 Oct 2009 15:22:32 +0000 (-0400)
Subject: Make sure that it does not lost number by overflow.
X-Git-Tag: v2.8.0~291
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2da527760d10ee5cec8cb03ddd7425235f0656b;p=thirdparty%2Flibarchive.git

Make sure that it does not lost number by overflow.

SVN-Revision: 1523
---

diff --git a/libarchive/archive_read_support_format_iso9660.c b/libarchive/archive_read_support_format_iso9660.c
index 40ded335e..07bd96880 100644
--- a/libarchive/archive_read_support_format_iso9660.c
+++ b/libarchive/archive_read_support_format_iso9660.c
@@ -1723,7 +1723,7 @@ register_CE(struct iso9660 *iso9660, int32_t location,
 	uint64_t offset;
 	int i;
 
-	offset = location * iso9660->logical_block_size;
+	offset = ((uint64_t)location) * (uint64_t)iso9660->logical_block_size;
 	if (((file->mode & AE_IFMT) == AE_IFREG &&
 	    offset >= file->offset) ||
 	    offset < iso9660->current_position) {