[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>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 6055074..33ea8ea 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -621,7 +621,8 @@
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 */