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authorJean Tourrilhes <jt@hpl.hp.com>2007-03-23 00:31:16 +0000
committerJohn W. Linville <linville@tuxdriver.com>2007-03-27 14:10:26 -0400
commitc2805fbb8630abb95d94ce7adc3f97976f7e0367 (patch)
treeca94be7f103d430d38ef6543db597e90f3a63999 /net/core/rtnetlink.c
parented4bb1063171b2f44a40b0a9c400dedb0590dce6 (diff)
[PATCH] WE-22 : prevent information leak on 64 bit
Johannes Berg discovered that kernel space was leaking to userspace on 64 bit platform. He made a first patch to fix that. This is an improved version of his patch. Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 6055074c4b8..33ea8eac7fe 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -621,7 +621,8 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
if (err < 0)
goto errout;
- iw += IW_EV_POINT_OFF;
+ /* Payload is at an offset in buffer */
+ iw = iw_buf + IW_EV_POINT_OFF;
}
#endif /* CONFIG_NET_WIRELESS_RTNETLINK */