From ef0f9ad193f6e2735b2e4305d067da7c09f63125 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Thu, 17 Oct 2019 12:08:21 -0500
Subject: [PATCH] backtrace: Fix a potential buffer overrun

---
 src/backtrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backtrace.c b/src/backtrace.c
index b9e1bbfa..d7465dfa 100644
--- a/src/backtrace.c
+++ b/src/backtrace.c
@@ -114,7 +114,7 @@ void __iwd_backtrace_print(unsigned int offset)
 		if (written < 0)
 			break;
 
-		len = read(infd[0], buf, sizeof(buf));
+		len = read(infd[0], buf, sizeof(buf) - 1);
 		if (len < 0)
 			break;