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From: Eric Sandeen <sandeen@redhat.com>
To: Brian Foster <bfoster@redhat.com>
Cc: Zach Brown <zab@zabbo.net>, xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH] xfs_repair: properly detect reserved attribute names
Date: Thu, 14 May 2015 10:05:42 -0500	[thread overview]
Message-ID: <5554B9C6.3010803@redhat.com> (raw)
In-Reply-To: <20150514142210.GC23683@bfoster.bfoster>

On 5/14/15 9:22 AM, Brian Foster wrote:
> On Wed, May 13, 2015 at 10:29:42PM -0500, Eric Sandeen wrote:
>> This function in xfs_repair tries to make sure that if an attr
>> name reserved for acls exists in the root namespace, then its
>> value is a valid acl.
>>
>> However, because it only compares up to the length of the
>> reserved name, superstrings may match and cause false positive
>> xfs_repair errors.
>>
>> Ensure that both the length and the content match before
>> flagging it as an error.
>>
>> Spotted-by: Zach Brown <zab@zabbo.net>
>> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
>> ---
> 
> Looks good:
> 
> Reviewed-by: Brian Foster <bfoster@redhat.com>
> 
> So it looks like master doesn't have the sizeof(unsigned char *)
> problem and the 4.1 update branch does, so we want to make sure that
> kernel fix makes it into the latter...

Yep.  This fix is needed independently of that, though.

Thanks!
-Eric

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      reply	other threads:[~2015-05-14 15:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-14  3:29 [PATCH] xfs_repair: properly detect reserved attribute names Eric Sandeen
2015-05-14 14:22 ` Brian Foster
2015-05-14 15:05   ` Eric Sandeen [this message]

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