From: Yuan-Hsiang Lee <yhlee@ubnt.com>
Date: Sat, 2 Nov 2013 23:13:16 +0000 (+0100)
Subject: init: fix illegal memory access when max message length is reached
X-Git-Tag: 1_22_0~62
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b21bc80c7651bfb5a9e001cc220a598cf89b7cfd;p=oweals%2Fbusybox.git

init: fix illegal memory access when max message length is reached

Signed-off-by: Yuan-Hsiang Lee <yhlee@ubnt.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/init/init.c b/init/init.c
index cc6a2b5be..2dcdfd471 100644
--- a/init/init.c
+++ b/init/init.c
@@ -222,8 +222,8 @@ static void message(int where, const char *fmt, ...)
 	msg[0] = '\r';
 	va_start(arguments, fmt);
 	l = 1 + vsnprintf(msg + 1, sizeof(msg) - 2, fmt, arguments);
-	if (l > sizeof(msg) - 1)
-		l = sizeof(msg) - 1;
+	if (l > sizeof(msg) - 2)
+		l = sizeof(msg) - 2;
 	va_end(arguments);
 
 #if ENABLE_FEATURE_INIT_SYSLOG