Re: [net-next PATCH v2] net: skb_find_text: Ignore patterns extending past 'to'

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Phil Sutter <phil@xxxxxx> wrote:
> Assume that caller's 'to' offset really represents an upper boundary for
> the pattern search, so patterns extending past this offset are to be
> rejected.
> 
> The old behaviour also was kind of inconsistent when it comes to
> fragmentation (or otherwise non-linear skbs): If the pattern started in
> between 'to' and 'from' offsets but extended to the next fragment, it
> was not found if 'to' offset was still within the current fragment.
> 
> Test the new behaviour in a kselftest using iptables' string match.

Reviewed-by: Florian Westphal <fw@xxxxxxxxx>



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