Re: [patch] Attempt #2 to handle null nameidata

On Thu, Apr 29, 2010 at 6:16 AM, Jeff Layton <[email protected]> wrote:
> On Thu, 29 Apr 2010 15:56:02 +0530
> Suresh Jayaraman <[email protected]> wrote:
>
>> On 04/09/2010 01:28 AM, Jeff Layton wrote:
>> > On Thu, 8 Apr 2010 14:40:47 -0500
>> > Shirish Pargaonkar <[email protected]> wrote:
>> >
>> >> On Thu, Apr 8, 2010 at 2:34 PM, Jeff Layton <[email protected]> wrote:
>> >>> On Wed, �7 Apr 2010 11:19:10 -0500
>> >>> [email protected] wrote:
>> >>>
>> >>>> While creating a file on a server which supports unix extensions
>> >>>> such as Samba, if a file is being created which does not supply
>> >>>> nameidata (i.e. nd is null), cifs client can oops when calling
>> >>>> cifs_posix_open.
>> >>>>
>> >>>> Signed-off-by: Shirish Pargaonkar <[email protected]>
>> >>>> Reported-by: Eugene Teo <[email protected]>
>>
>> >
>> > We'll need to take this patch in the interim though to fix the
>> > immediate oops.
>> >
>>
>> Do we need to Cc -stable as well as the issue seem to be reproducible on
>> kernel versions > 2.6.29-rc6?
>>
>> Thanks,
>>
>
> Can someone clarify how to reproduce this oops? I think that the only
> place where this function gets called with NULL nameidata is from nfsd
> and the export ops for cifs are just stubs. Has this actually been seen
> in the field or was it just found via inspection?
>
> --
> Jeff Layton <[email protected]>
>

As far as I know, by inspection.
Eugene, can you please comment on this?

Regards,

Shirish
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