Willy Tarreau wrote:

quoted text
> On Sat, Jun 07, 2008 at 10:27:58PM +0200, Marco Berizzi wrote:
>> David Miller wrote:
>> 
>> > From: Herbert Xu <herbert@gondor.apana.org.au>
>> > Date: Tue, 20 May 2008 17:25:11 +0800
>> > 
>> >> On Wed, May 14, 2008 at 10:19:57AM +0200, Marco Berizzi wrote:
>> >> > 
>> >> > I hope this helps.
>> >> 
>> >> OK found the problem, it was my fault after all :)
>> >> 
>> >> Dave, this patch needs to go into stable too.
>> >> 
>> >> [IPSEC]: Use the correct ip_local_out function
>> >> 
>> >> Because the IPsec output function xfrm_output_resume does its
>> >> own dst_output call it should always call __ip_local_output
>> >> instead of ip_local_output as the latter may invoke dst_output
>> >> directly.  Otherwise the return values from nf_hook and dst_output
>> >> may clash as they both use the value 1 but for different purposes.
>> >> 
>> >> When that clash occurs this can cause a packet to be used after
>> >> it has been freed which usually leads to a crash.  Because the
>> >> offending value is only returned from dst_output with qdiscs
>> >> such as HTB, this bug is normally not visible.
>> >> 
>> >> Thanks to Marco Berizzi for his perseverance in tracking this
>> >> down.
>> >> 
>> >> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
>> > 
>> > Applied and queued to -stable, thanks!
>> 
>> Hi David,
>> 
>> I don't see this patch in Chris 2.6.25.6 -stable review message.
> 
> Is it already in mainline ?

yes, since 2008/05/20
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1ac06e0306...

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