From 7866806fc3bbb716064fb9e4e0a1436e3325a637 Mon Sep 17 00:00:00 2001
From: Richard Mudgett <rmudgett@digium.com>
Date: Fri, 22 Jan 2016 11:48:24 -0600
Subject: logger.c: Fix buffer overrun found by address sanitizer.

The null terminator of the tail struct member was not being allocated
when no logger.conf config file is installed.

ASTERISK-25714 #close
Reported by: Badalian Vyacheslav

Change-Id: I45770fdd08af39506a3bc33ba279c4f16e047a30
---
 main/logger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'main')

diff --git a/main/logger.c b/main/logger.c
index fac68d9b6..13f6de890 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -601,7 +601,7 @@ static int init_logger_chain(const char *altconf)
 
 	/* If no config file, we're fine, set default options. */
 	if (!cfg) {
-		if (!(chan = ast_calloc(1, sizeof(*chan)))) {
+		if (!(chan = ast_calloc(1, sizeof(*chan) + 1))) {
 			fprintf(stderr, "Failed to initialize default logging\n");
 			return -1;
 		}
-- 
cgit v1.2.3