netdev - Re: [PATCH 2.6.21-rc3] IPV6: ipv6_fl_socklist is inadvertently shared.

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Message-Id: <20070316.161628.74748961.davem@davemloft.net>
Date:	Fri, 16 Mar 2007 16:16:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nakagawa.msy@...s.nec.co.jp
Cc:	yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org, mhuth@...sta.com
Subject: Re: [PATCH 2.6.21-rc3] IPV6: ipv6_fl_socklist is inadvertently
 shared.

From: Masayuki Nakagawa <nakagawa.msy@...s.nec.co.jp>
Date: Fri, 16 Mar 2007 10:45:42 -0700

> The ipv6_fl_socklist from listening socket is inadvertently shared
> with new socket created for connection.  This leads to a variety of
> interesting, but fatal, bugs. For example, removing one of the
> sockets may lead to the other socket's encountering a page fault
> when the now freed list is referenced.
> 
> The fix is to not share the flow label list with the new socket.
> 
> Signed-off-by: Masayuki Nakagawa <nakagawa.msy@...s.nec.co.jp>

Masayuki-san, thank you very much for this bug fix.

Patch applied.
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