-stable review patch. If anyone has any objections, please let us know.
------------------
From: Herbert Xu <[email protected]>
[XFRM]: Fix possible overflow of sock->sk_policy
Spotted by, and original patch by, Balazs Scheidler.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/xfrm/xfrm_user.c | 3 +++
1 files changed, 3 insertions(+)
--- linux-2.6.12.3.orig/net/xfrm/xfrm_user.c 2005-07-28 11:17:01.000000000 -0700
+++ linux-2.6.12.3/net/xfrm/xfrm_user.c 2005-07-28 11:17:18.000000000 -0700
@@ -1180,6 +1180,9 @@
if (nr > XFRM_MAX_DEPTH)
return NULL;
+ if (p->dir > XFRM_POLICY_OUT)
+ return NULL;
+
xp = xfrm_policy_alloc(GFP_KERNEL);
if (xp == NULL) {
*dir = -ENOBUFS;
-
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