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authorDavid S. Miller <davem@davemloft.net>2020-03-29 21:25:29 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-29 21:25:29 -0700
commitf0b5989745c3e0e92424d36869a97e4e8df7ab13 (patch)
tree0e9759b9d6060bb94cad676b1b16e423d5ad2523 /net/xfrm
parent1a147b74c2fd4058dea0133cb2471724c3b3de09 (diff)
parent7111951b8d4973bda27ff663f2cf18b663d15b48 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment conflict in mac80211. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_device.c9
-rw-r--r--net/xfrm/xfrm_policy.c2
-rw-r--r--net/xfrm/xfrm_user.c6
3 files changed, 12 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 50f567a88f45..e2db468cf50e 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -78,8 +78,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
int err;
unsigned long flags;
struct xfrm_state *x;
- struct sk_buff *skb2, *nskb;
struct softnet_data *sd;
+ struct sk_buff *skb2, *nskb, *pskb = NULL;
netdev_features_t esp_features = features;
struct xfrm_offload *xo = xfrm_offload(skb);
struct sec_path *sp;
@@ -168,14 +168,14 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
} else {
if (skb == skb2)
skb = nskb;
-
- if (!skb)
- return NULL;
+ else
+ pskb->next = nskb;
continue;
}
skb_push(skb2, skb2->data - skb_mac_header(skb2));
+ pskb = skb2;
}
return skb;
@@ -383,6 +383,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
return xfrm_dev_feat_change(dev);
case NETDEV_DOWN:
+ case NETDEV_UNREGISTER:
return xfrm_dev_down(dev);
}
return NOTIFY_DONE;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index d560d723b601..297b2fdb3c29 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -434,7 +434,9 @@ EXPORT_SYMBOL(xfrm_policy_destroy);
static void xfrm_policy_kill(struct xfrm_policy *policy)
{
+ write_lock_bh(&policy->lock);
policy->walk.dead = 1;
+ write_unlock_bh(&policy->lock);
atomic_inc(&policy->genid);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b88ba45ff1ac..e6cfaa680ef3 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -110,7 +110,8 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs)
return 0;
uctx = nla_data(rt);
- if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
+ if (uctx->len > nla_len(rt) ||
+ uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
return -EINVAL;
return 0;
@@ -2275,6 +2276,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
err = verify_newpolicy_info(&ua->policy);
if (err)
goto free_state;
+ err = verify_sec_ctx_len(attrs);
+ if (err)
+ goto free_state;
/* build an XP */
xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);