From: Muhammad Usama <m.usama@gmail.com>
Date: Thu, 26 Jan 2017 20:48:38 +0000 (+0500)
Subject: Fixing 0000280: stack smashing detected
X-Git-Tag: V3_3_14~6
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=ee5dd025b84bc511fdec82178878988802404abb;p=pgpool2.git

Fixing 0000280: stack smashing detected

It was a buffer overflow in wd_get_cmd function.
---

diff --git a/watchdog/wd_if.c b/watchdog/wd_if.c
index fc472a427..169b8958f 100644
--- a/watchdog/wd_if.c
+++ b/watchdog/wd_if.c
@@ -147,12 +147,12 @@ wd_get_cmd(char * buf, char * cmd)
 {
 	int i,j;
 	i = 0;
-	while(isspace(cmd[i]) != 0)
+	while(cmd[i] && isspace(cmd[i]) != 0)
 	{
 		i++;
 	}
 	j = 0;
-	while(isspace(cmd[i]) == 0)
+	while(cmd[i] && isspace(cmd[i]) == 0)
 	{
 		buf[j++] = cmd[i++];
 	}