Commit a4f1bac6 authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
Browse files

[XFRM]: Fix possible overflow of sock->sk_policy 



Spotted by, and original patch by, Balazs Scheidler.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cadf01c2

net/xfrm/xfrm_user.c

+3 −0
Original line number Diff line number Diff line
@@ -1350,6 +1350,9 @@ static struct xfrm_policy *xfrm_compile_policy(u16 family, int opt, 
	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;