Re: [PATCH] net/core/skbuff.c fix skb_expand_head off logic error!

On Mon, Apr 23, 2018 at 09:02:46PM +0800, web_czom@yeah.net wrote:

fix logic error!

--- linux/net/core/skbuff.c.orig 2018-04-23 20:55:37.747731000 +0800 +++ linux/net/core/skbuff.c 2018-04-23 20:56:30.782520000 +0800 @@ -1492,7 +1492,7 @@ int pskb_expand_head(struct sk_buff *skb } else { skb_free_head(skb); }

• off = (data + nhead) - skb->head;

• off = (skb->data - skb->head) + nhead;

skb->head = data; skb->head_frag = 0;

<formletter>

This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.

</formletter>