From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Sutter Subject: [iproute PATCH v2 4/7] ipmaddr: Avoid accessing uninitialized data Date: Thu, 17 Aug 2017 19:09:28 +0200 Message-ID: <20170817170931.24302-5-phil@nwl.cc> References: <20170817170931.24302-1-phil@nwl.cc> Cc: netdev@vger.kernel.org To: Stephen Hemminger Return-path: Received: from orbyte.nwl.cc ([151.80.46.58]:54429 "EHLO mail.nwl.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753326AbdHQRNQ (ORCPT ); Thu, 17 Aug 2017 13:13:16 -0400 In-Reply-To: <20170817170931.24302-1-phil@nwl.cc> Sender: netdev-owner@vger.kernel.org List-ID: Looks like this can only happen if /proc/net/igmp is malformed, but better be sure. Signed-off-by: Phil Sutter --- ip/ipmaddr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ip/ipmaddr.c b/ip/ipmaddr.c index 4f726fdd976f1..85a69e779563d 100644 --- a/ip/ipmaddr.c +++ b/ip/ipmaddr.c @@ -136,7 +136,7 @@ static void read_igmp(struct ma_info **result_p) while (fgets(buf, sizeof(buf), fp)) { struct ma_info *ma; - size_t len; + size_t len = 0; if (buf[0] != '\t') { sscanf(buf, "%d%s", &m.index, m.name); -- 2.13.1