From: Stefan Behrens <sbehrens@giantdisaster.de>
Date: Tue, 21 Apr 2015 11:50:38 +0000 (+0200)
Subject: rsync: fix of-by-one in check of snprintf() result.
X-Git-Tag: v3.1.2pre1~29
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3ea74eb3880b4fda95fced4f605bb96f19dd4b0f;p=thirdparty%2Frsync.git

rsync: fix of-by-one in check of snprintf() result.
Fixes bug 11229.
---

diff --git a/io.c b/io.c
index a868fa9c..01c6db17 100644
--- a/io.c
+++ b/io.c
@@ -2283,7 +2283,7 @@ void io_printf(int fd, const char *format, ...)
 	if (len < 0)
 		exit_cleanup(RERR_PROTOCOL);
 
-	if (len > (int)sizeof buf) {
+	if (len >= (int)sizeof buf) {
 		rprintf(FERROR, "io_printf() was too long for the buffer.\n");
 		exit_cleanup(RERR_PROTOCOL);
 	}