netdev - Re: race in skb_splice

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Message-ID: <20080527115638.GB30353@2ka.mipt.ru>
Date:	Tue, 27 May 2008 15:56:38 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Octavian Purdila <opurdila@...acom.com>, netdev@...r.kernel.org
Subject: Re: race in skb_splice_bits?

On Tue, May 27, 2008 at 03:52:06PM +0400, Evgeniy Polyakov (johnpol@....mipt.ru) wrote:
> On Tue, May 27, 2008 at 12:08:41PM +0100, Ben Hutchings (bhutchings@...arflare.com) wrote:
> > However, from Octavian's later mail it seems we can't let the skb go away
> > at all.  So some wider changes seem to be required.
> 
> Yes, I misread the original message.
> 
> Octavian, could you please decode where bug occured via gdb:
> gdb
> $ l *(skb_splice_bits+0x130)

It is lock_sock()?

And also please show what
tcp_read_sock+0x108
tcp_read_sock+0x138

are. And do you have a test case for that?

-- 
	Evgeniy Polyakov
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