From: Wayne Davison <wayned@samba.org>
Date: Sat, 27 Aug 2011 17:28:20 +0000 (-0700)
Subject: Fix bwlimit multiplication overflow.  Fixes bug 8375.
X-Git-Tag: v3.0.9pre2~6
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5822f988f54140c09909d406247593b48fb5ea09;p=thirdparty%2Frsync.git

Fix bwlimit multiplication overflow.  Fixes bug 8375.
---

diff --git a/io.c b/io.c
index 80cb4b67..b6db8e9d 100644
--- a/io.c
+++ b/io.c
@@ -1406,7 +1406,7 @@ static void sleep_for_bwlimit(int bytes_written)
 	if (prior_tv.tv_sec) {
 		elapsed_usec = (start_tv.tv_sec - prior_tv.tv_sec) * ONE_SEC
 			     + (start_tv.tv_usec - prior_tv.tv_usec);
-		total_written -= elapsed_usec * bwlimit / (ONE_SEC/1024);
+		total_written -= (int64)elapsed_usec * bwlimit / (ONE_SEC/1024);
 		if (total_written < 0)
 			total_written = 0;
 	}