netdev - [PATCH 2/2] net: check return value for dst

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-next>] [day] [month] [year] [list]

Date:	Mon, 26 Sep 2011 20:04:56 +0300
From:	Madalin Bucur <madalin.bucur@...escale.com>
To:	<eric.dumazet@...il.com>
CC:	<netdev@...r.kernel.org>, <davem@...emloft.net>,
	<timo.teras@....fi>, Madalin Bucur <madalin.bucur@...escale.com>
Subject: [PATCH 2/2] net: check return value for dst_alloc

return value of dst_alloc must be checked before use

Signed-off-by: Madalin Bucur <madalin.bucur@...escale.com>
---
 net/ipv6/route.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1250f90..fb545ed 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -244,7 +244,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
 {
 	struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
 
-	memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
+	if (rt != NULL)
+		memset(&rt->rt6i_table, 0,
+			sizeof(*rt) - sizeof(struct dst_entry));
 
 	return rt;
 }
-- 
1.7.0.1


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html