* [PATCH net V2] net: drop the packet when fails to do software segmentation or header check
@ 2014-12-19 3:09 Jason Wang
2014-12-19 4:02 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Jason Wang @ 2014-12-19 3:09 UTC (permalink / raw)
To: davem, netdev, linux-kernel; +Cc: Jason Wang, Eric Dumazet
Commit cecda693a969816bac5e470e1d9c9c0ef5567bca ("net: keep original skb
which only needs header checking during software GSO") keeps the original
skb for packets that only needs header check, but it doesn't drop the
packet if software segmentation or header check were failed.
Fixes cecda693a9 ("net: keep original skb which only needs header checking
during software GSO")
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
Stable candidate for 3.17 and above.
Changes from V1:
- Fix fixes tag
---
net/core/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index f411c28..a989f85 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2673,7 +2673,7 @@ static struct sk_buff *validate_xmit_skb(struct sk_buff *skb, struct net_device
segs = skb_gso_segment(skb, features);
if (IS_ERR(segs)) {
- segs = NULL;
+ goto out_kfree_skb;
} else if (segs) {
consume_skb(skb);
skb = segs;
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH net V2] net: drop the packet when fails to do software segmentation or header check
2014-12-19 3:09 [PATCH net V2] net: drop the packet when fails to do software segmentation or header check Jason Wang
@ 2014-12-19 4:02 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2014-12-19 4:02 UTC (permalink / raw)
To: jasowang; +Cc: netdev, linux-kernel, eric.dumazet
From: Jason Wang <jasowang@redhat.com>
Date: Fri, 19 Dec 2014 11:09:13 +0800
> Commit cecda693a969816bac5e470e1d9c9c0ef5567bca ("net: keep original skb
> which only needs header checking during software GSO") keeps the original
> skb for packets that only needs header check, but it doesn't drop the
> packet if software segmentation or header check were failed.
>
> Fixes cecda693a9 ("net: keep original skb which only needs header checking
> during software GSO")
>
> Cc: Eric Dumazet <eric.dumazet@gmail.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied and queued up for -stable, thanks Jason.
^ permalink raw reply [flat|nested] 2+ messages in thread
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