linux-kernel - [PATCH 1/2] Tools: hv: fix snprintf warning in kvp

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Message-Id: <1502405116-18599-1-git-send-email-kys@exchange.microsoft.com>
Date:   Thu, 10 Aug 2017 15:45:15 -0700
From:   kys@...hange.microsoft.com
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
        vkuznets@...hat.com, jasowang@...hat.com,
        leann.ogasawara@...onical.com, marcelo.cerri@...onical.com,
        sthemmin@...rosoft.com
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 1/2] Tools: hv: fix snprintf warning in kvp_daemon

From: Olaf Hering <olaf@...fle.de>

Increase buffer size so that "_{-INT_MAX}" will fit.
Spotted by the gcc7 snprintf checker.

Signed-off-by: Olaf Hering <olaf@...fle.de>
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
---
 tools/hv/hv_kvp_daemon.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 88b20e0..eaa3bec 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -1136,7 +1136,7 @@ static int process_ip_string(FILE *f, char *ip_string, int type)
 	int i = 0;
 	int j = 0;
 	char str[256];
-	char sub_str[10];
+	char sub_str[13];
 	int offset = 0;
 
 	memset(addr, 0, sizeof(addr));
-- 
1.7.1