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SubjectRe: [PATCH 3.16 58/87] cifs: add spinlock for the openFileList to cifsInodeInfo
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On Mon, 2019-10-28 at 22:19 +0000, Pavel Shilovskiy wrote:
> > -----Original Message-----
> > From: Ben Hutchings <ben@decadent.org.uk>
> > Sent: Wednesday, October 2, 2019 12:07 PM
> > To: linux-kernel@vger.kernel.org; stable@vger.kernel.org
> > Cc: akpm@linux-foundation.org; Denis Kirjanov <kda@linux-powerpc.org>; Ronnie Sahlberg <lsahlber@redhat.com>; Steven French <Steven.French@microsoft.com>; Pavel Shilovskiy <pshilov@microsoft.com>
> > Subject: [PATCH 3.16 58/87] cifs: add spinlock for the openFileList to cifsInodeInfo
> >
> > 3.16.75-rc1 review patch. If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: Ronnie Sahlberg <lsahlber@redhat.com>
> >
> > commit 487317c99477d00f22370625d53be3239febabbe upstream.
[...]
> We have recently found regressions in this patch that are addressed in the following two patches:
>
> cb248819d209d ("cifs: use cifsInodeInfo->open_file_lock while iterating to avoid a panic")
> 1a67c41596575 ("CIFS: Fix use after free of file info structures")
>
> So, I would suggest either to apply those two patches above or to revert this one.

Thanks for pointing thse out. I will try to include those in a later
update.

Ben.

--
Ben Hutchings
Any sufficiently advanced bug is indistinguishable from a feature.


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