aboutsummaryrefslogtreecommitdiff
path: root/net/can
diff options
context:
space:
mode:
authorEric Dumazet <eric.dumazet@gmail.com>2009-08-06 20:27:04 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-09 21:45:32 -0700
commite84b90ae5eb3c112d1f208964df1d8156a538289 (patch)
tree3f02cd521e1c59292db7d1962e262048760411cf /net/can
parentb79a79471bd31d737c939a6ddc347417047b4320 (diff)
downloadlinux-2.6.38-lt-ux500-e84b90ae5eb3c112d1f208964df1d8156a538289.tar.gz
can: Fix raw_getname() leak
raw_getname() can leak 10 bytes of kernel memory to user (two bytes hole between can_family and can_ifindex, 8 bytes at the end of sockaddr_can structure) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/can')
-rw-r--r--net/can/raw.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index f4cc44548bd..db3152df7d2 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -401,6 +401,7 @@ static int raw_getname(struct socket *sock, struct sockaddr *uaddr,
if (peer)
return -EOPNOTSUPP;
+ memset(addr, 0, sizeof(*addr));
addr->can_family = AF_CAN;
addr->can_ifindex = ro->ifindex;