From: Paul Mackerras <paulus@ozlabs.org>
Date: Sat, 18 Mar 2023 06:34:07 +0000 (+1100)
Subject: chat: Fix loop condition to avoid possible 1-byte buffer overrun
X-Git-Tag: ppp-2.5.0~3
X-Git-Url: https://git.ozlabs.org/?a=commitdiff_plain;h=acc6cd4aab0a98d090a5f239cee56c206a9be496;p=ppp.git

chat: Fix loop condition to avoid possible 1-byte buffer overrun

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
---

diff --git a/chat/chat.c b/chat/chat.c
index fa67fd2..336c0f4 100644
--- a/chat/chat.c
+++ b/chat/chat.c
@@ -609,7 +609,7 @@ void terminate(int status)
 	int c, rep_len;
 
 	rep_len = strlen(report_buffer);
-	while (rep_len + 1 <= sizeof(report_buffer)) {
+	while (rep_len + 1 < sizeof(report_buffer)) {
 	    alarm(1);
 	    c = get_char();
 	    alarm(0);