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Diffstat (limited to 'net/xfrm/xfrm_state.c')
-rw-r--r--net/xfrm/xfrm_state.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index bbd4643d7e82..d01ca1a18418 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1021,7 +1021,8 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
if ((x->sel.family &&
(x->sel.family != family ||
!xfrm_selector_match(&x->sel, fl, family))) ||
- !security_xfrm_state_pol_flow_match(x, pol, fl))
+ !security_xfrm_state_pol_flow_match(x, pol,
+ &fl->u.__fl_common))
return;
if (!*best ||
@@ -1036,7 +1037,8 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
if ((!x->sel.family ||
(x->sel.family == family &&
xfrm_selector_match(&x->sel, fl, family))) &&
- security_xfrm_state_pol_flow_match(x, pol, fl))
+ security_xfrm_state_pol_flow_match(x, pol,
+ &fl->u.__fl_common))
*error = -ESRCH;
}
}
@@ -2004,6 +2006,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high)
int err = -ENOENT;
__be32 minspi = htonl(low);
__be32 maxspi = htonl(high);
+ __be32 newspi = 0;
u32 mark = x->mark.v & x->mark.m;
spin_lock_bh(&x->lock);
@@ -2022,21 +2025,22 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high)
xfrm_state_put(x0);
goto unlock;
}
- x->id.spi = minspi;
+ newspi = minspi;
} else {
u32 spi = 0;
for (h = 0; h < high-low+1; h++) {
spi = low + prandom_u32()%(high-low+1);
x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);
if (x0 == NULL) {
- x->id.spi = htonl(spi);
+ newspi = htonl(spi);
break;
}
xfrm_state_put(x0);
}
}
- if (x->id.spi) {
+ if (newspi) {
spin_lock_bh(&net->xfrm.xfrm_state_lock);
+ x->id.spi = newspi;
h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);
hlist_add_head_rcu(&x->byspi, net->xfrm.state_byspi + h);
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
@@ -2380,8 +2384,10 @@ int xfrm_user_policy(struct sock *sk, int optname, sockptr_t optval, int optlen)
if (in_compat_syscall()) {
struct xfrm_translator *xtr = xfrm_get_translator();
- if (!xtr)
+ if (!xtr) {
+ kfree(data);
return -EOPNOTSUPP;
+ }
err = xtr->xlate_user_policy_sockptr(&data, optlen);
xfrm_put_translator(xtr);