netdev - [iproute PATCH 41/51] tc/q_multiq: Don't pass garbage in TCA

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20170812120510.28750-42-phil@nwl.cc>
Date:   Sat, 12 Aug 2017 14:05:00 +0200
From:   Phil Sutter <phil@....cc>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [iproute PATCH 41/51] tc/q_multiq: Don't pass garbage in TCA_OPTIONS

multiq_parse_opt() doesn't change 'opt' at all. So at least make sure
it doesn't fill TCA_OPTIONS attribute with garbage from stack.

Signed-off-by: Phil Sutter <phil@....cc>
---
 tc/q_multiq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tc/q_multiq.c b/tc/q_multiq.c
index 7823931494563..9c09c9a7748f6 100644
--- a/tc/q_multiq.c
+++ b/tc/q_multiq.c
@@ -43,7 +43,7 @@ static void explain(void)
 static int multiq_parse_opt(struct qdisc_util *qu, int argc, char **argv,
 			    struct nlmsghdr *n)
 {
-	struct tc_multiq_qopt opt;
+	struct tc_multiq_qopt opt = {};
 
 	if (argc) {
 		if (strcmp(*argv, "help") == 0) {
-- 
2.13.1