diff options
| author | Dan Rosenberg <drosenberg@vsecurity.com> | 2010-11-23 11:02:13 +0000 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2010-12-14 23:40:15 +0100 |
| commit | 0b755ae07e1ff0b1c48ea286c301570d745aa0b7 (patch) | |
| tree | 08ebd0bd80919c3f8f258ab1cbd20a6af5394f19 | |
| parent | 79ec0bc0601b3c1bce4457361ec9d477b7982480 (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>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rw-r--r-- | 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 d6b93d19790f..cf38f52be4f7 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; |