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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-29 13:45:54 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-29 13:45:54 -0300
commita71852147516bc1cb5b0b3cbd13639bfd4022dc8 (patch)
treee1950ad489b1cc9f4404c643d94ff87ba595a8c1 /net/core
parentbadc0e42604c4465facd81d2323e98b3b1eb9188 (diff)
Linux-libre 4.2.5-gnupck-4.2.5-gnu
Diffstat (limited to 'net/core')
-rw-r--r--net/core/ethtool.c2
-rw-r--r--net/core/filter.c7
-rw-r--r--net/core/skbuff.c9
3 files changed, 12 insertions, 6 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index b495ab179..29edf7484 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1284,7 +1284,7 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
gstrings.len = ret;
- data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
+ data = kcalloc(gstrings.len, ETH_GSTRING_LEN, GFP_USER);
if (!data)
return -ENOMEM;
diff --git a/net/core/filter.c b/net/core/filter.c
index be3098fb6..8dcdd86b6 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1412,6 +1412,7 @@ static u64 bpf_clone_redirect(u64 r1, u64 ifindex, u64 flags, u64 r4, u64 r5)
return dev_forward_skb(dev, skb2);
skb2->dev = dev;
+ skb_sender_cpu_clear(skb2);
return dev_queue_xmit(skb2);
}
@@ -1701,9 +1702,13 @@ int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf,
goto out;
/* We're copying the filter that has been originally attached,
- * so no conversion/decode needed anymore.
+ * so no conversion/decode needed anymore. eBPF programs that
+ * have no original program cannot be dumped through this.
*/
+ ret = -EACCES;
fprog = filter->prog->orig_prog;
+ if (!fprog)
+ goto out;
ret = fprog->len;
if (!len)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7b84330e5..7bfa18746 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2958,11 +2958,12 @@ EXPORT_SYMBOL_GPL(skb_append_pagefrags);
*/
unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len)
{
+ unsigned char *data = skb->data;
+
BUG_ON(len > skb->len);
- skb->len -= len;
- BUG_ON(skb->len < skb->data_len);
- skb_postpull_rcsum(skb, skb->data, len);
- return skb->data += len;
+ __skb_pull(skb, len);
+ skb_postpull_rcsum(skb, data, len);
+ return skb->data;
}
EXPORT_SYMBOL_GPL(skb_pull_rcsum);