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authorDan Rosenberg <drosenberg@vsecurity.com>2010-11-23 11:02:13 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:27:03 -0800
commit38e6b47228e9a04b90f79b91a9569d2d21288444 (patch)
tree3dc1754241fb73c9933c16922786f496be8d8902 /net
parenta9a275749034d3e23a7ed1ea8d784f1fe5a8d064 (diff)
DECnet: don't leak uninitialized stack byte
commit 3c6f27bf33052ea6ba9d82369fb460726fb779c0 upstream. A single uninitialized padding byte is leaked to userspace. Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/decnet/af_decnet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 7a58c87baf17..5df7b5453556 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1555,6 +1555,8 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
if (r_len > sizeof(struct linkinfo_dn))
r_len = sizeof(struct linkinfo_dn);
+ memset(&link, 0, sizeof(link));
+
switch(sock->state) {
case SS_CONNECTING:
link.idn_linkstate = LL_CONNECTING;