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-rw-r--r--security/integrity/ima/ima_crypto.c2
-rw-r--r--security/keys/encrypted-keys/encrypted.c2
-rw-r--r--security/keys/trusted.c5
-rw-r--r--security/keys/user_defined.c5
-rw-r--r--security/selinux/hooks.c6
-rw-r--r--security/selinux/netlabel.c2
-rw-r--r--security/selinux/ss/conditional.c4
-rw-r--r--security/smack/smack_netfilter.c11
8 files changed, 23 insertions, 14 deletions
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index e24121a..6eb6293 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -126,7 +126,7 @@ static void *ima_alloc_pages(loff_t max_size, size_t *allocated_size,
{
void *ptr;
int order = ima_maxorder;
- gfp_t gfp_mask = __GFP_WAIT | __GFP_NOWARN | __GFP_NORETRY;
+ gfp_t gfp_mask = __GFP_RECLAIM | __GFP_NOWARN | __GFP_NORETRY;
if (order)
order = min(get_order(max_size), order);
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 927db9f..696ccfa 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -845,6 +845,8 @@ static int encrypted_update(struct key *key, struct key_preparsed_payload *prep)
size_t datalen = prep->datalen;
int ret = 0;
+ if (test_bit(KEY_FLAG_NEGATIVE, &key->flags))
+ return -ENOKEY;
if (datalen <= 0 || datalen > 32767 || !prep->data)
return -EINVAL;
diff --git a/security/keys/trusted.c b/security/keys/trusted.c
index 903dace..16dec53 100644
--- a/security/keys/trusted.c
+++ b/security/keys/trusted.c
@@ -1007,13 +1007,16 @@ static void trusted_rcu_free(struct rcu_head *rcu)
*/
static int trusted_update(struct key *key, struct key_preparsed_payload *prep)
{
- struct trusted_key_payload *p = key->payload.data[0];
+ struct trusted_key_payload *p;
struct trusted_key_payload *new_p;
struct trusted_key_options *new_o;
size_t datalen = prep->datalen;
char *datablob;
int ret = 0;
+ if (test_bit(KEY_FLAG_NEGATIVE, &key->flags))
+ return -ENOKEY;
+ p = key->payload.data[0];
if (!p->migratable)
return -EPERM;
if (datalen <= 0 || datalen > 32767 || !prep->data)
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 28cb30f..8705d79 100644
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -120,7 +120,10 @@ int user_update(struct key *key, struct key_preparsed_payload *prep)
if (ret == 0) {
/* attach the new data, displacing the old */
- zap = key->payload.data[0];
+ if (!test_bit(KEY_FLAG_NEGATIVE, &key->flags))
+ zap = key->payload.data[0];
+ else
+ zap = NULL;
rcu_assign_keypointer(key, upayload);
key->expiry = 0;
}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 9e591e5..d0cfaa9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4933,7 +4933,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
int ifindex,
u16 family)
{
- struct sock *sk = skb->sk;
+ struct sock *sk = skb_to_full_sk(skb);
struct sk_security_struct *sksec;
struct common_audit_data ad;
struct lsm_network_audit net = {0,};
@@ -4988,7 +4988,7 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb,
if (!secmark_active && !peerlbl_active)
return NF_ACCEPT;
- sk = skb->sk;
+ sk = skb_to_full_sk(skb);
#ifdef CONFIG_XFRM
/* If skb->dst->xfrm is non-NULL then the packet is undergoing an IPsec
@@ -5033,8 +5033,6 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb,
u32 skb_sid;
struct sk_security_struct *sksec;
- if (sk->sk_state == TCP_NEW_SYN_RECV)
- sk = inet_reqsk(sk)->rsk_listener;
sksec = sk->sk_security;
if (selinux_skb_peerlbl_sid(skb, family, &skb_sid))
return NF_DROP;
diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
index 0364120..1f989a5 100644
--- a/security/selinux/netlabel.c
+++ b/security/selinux/netlabel.c
@@ -245,7 +245,7 @@ int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
/* if this is a locally generated packet check to see if it is already
* being labeled by it's parent socket, if it is just exit */
- sk = skb->sk;
+ sk = skb_to_full_sk(skb);
if (sk != NULL) {
struct sk_security_struct *sksec = sk->sk_security;
if (sksec->nlbl_state != NLBL_REQSKB)
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 18643bf..456e1a9 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -638,7 +638,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key,
{
struct avtab_node *node;
- if (!ctab || !key || !avd || !xperms)
+ if (!ctab || !key || !avd)
return;
for (node = avtab_search_node(ctab, key); node;
@@ -657,7 +657,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key,
if ((u16)(AVTAB_AUDITALLOW|AVTAB_ENABLED) ==
(node->key.specified & (AVTAB_AUDITALLOW|AVTAB_ENABLED)))
avd->auditallow |= node->datum.u.data;
- if ((node->key.specified & AVTAB_ENABLED) &&
+ if (xperms && (node->key.specified & AVTAB_ENABLED) &&
(node->key.specified & AVTAB_XPERMS))
services_compute_xperms_drivers(xperms, node);
}
diff --git a/security/smack/smack_netfilter.c b/security/smack/smack_netfilter.c
index 6d1706c..aa6bf1b 100644
--- a/security/smack/smack_netfilter.c
+++ b/security/smack/smack_netfilter.c
@@ -17,6 +17,7 @@
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netdevice.h>
+#include <net/inet_sock.h>
#include "smack.h"
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -25,11 +26,12 @@ static unsigned int smack_ipv6_output(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
+ struct sock *sk = skb_to_full_sk(skb);
struct socket_smack *ssp;
struct smack_known *skp;
- if (skb && skb->sk && skb->sk->sk_security) {
- ssp = skb->sk->sk_security;
+ if (sk && sk->sk_security) {
+ ssp = sk->sk_security;
skp = ssp->smk_out;
skb->secmark = skp->smk_secid;
}
@@ -42,11 +44,12 @@ static unsigned int smack_ipv4_output(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
+ struct sock *sk = skb_to_full_sk(skb);
struct socket_smack *ssp;
struct smack_known *skp;
- if (skb && skb->sk && skb->sk->sk_security) {
- ssp = skb->sk->sk_security;
+ if (sk && sk->sk_security) {
+ ssp = sk->sk_security;
skp = ssp->smk_out;
skb->secmark = skp->smk_secid;
}