linux-kernel - Re: [linux-cifs-client] BUG: Possible cifs+IPv6-Regression 2.6.27.4 -> 2.6.27.9

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Message-ID: <4978A6C1.5000003@birkenwald.de>
Date:	Thu, 22 Jan 2009 18:02:57 +0100
From:	Bernhard Schmidt <berni@...kenwald.de>
To:	Jeff Layton <jlayton@...hat.com>
CC:	linux-cifs-client@...ts.samba.org, linux-kernel@...r.kernel.org,
	stefan.bader@...onical.com, Suresh Jayaraman <sjayaraman@...e.de>,
	Shirish Pargaonkar <shirishpargaonkar@...il.com>,
	Steve French <smfrench@...il.com>
Subject: Re: [linux-cifs-client] BUG: Possible cifs+IPv6-Regression 2.6.27.4
 -> 2.6.27.9

Hello Jeff,

> I think I may see the bug...
> 
> I think the "addr" struct in cifs_mount is too small for ipv6 addresses.
> Here's a proposed patch for 2.6.27.y. Could you apply it and let me
> know if it fixes the bug?

Sorry, I was out of town, I'll build a kernel asap.

Stefan confirmed the bug (on i386 platform, apparently x86_64 did not 
expose the broken behaviour) and the bug fixed at Ubuntu with your 
patch. See https://bugs.launchpad.net/bugs/318565 . So I assume he 
tested it and it fixed the problem, but I'll test as well myself.

Thanks!
Bernhard
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