From: Dan Rosenberg <[email protected]>

  =====================================================================
  | This is a commit scheduled for the next v2.6.34 longterm release. |
  | If you see a problem with using this for longterm, please comment.|
  =====================================================================

commit 3c6f27bf33052ea6ba9d82369fb460726fb779c0 upstream.

A single uninitialized padding byte is leaked to userspace.

Signed-off-by: Dan Rosenberg <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Paul Gortmaker <[email protected]>
---
 net/decnet/af_decnet.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 2b494fa..7cc13e1 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1556,6 +1556,8 @@ 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;
-- 
1.7.4.4

_______________________________________________
stable mailing list
[email protected]
http://linux.kernel.org/mailman/listinfo/stable

Reply via email to