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SubjectRe: [PATCH 025/190] Revert "platform/chrome: cros_ec_ishtp: Fix a double-unlock issue"
On Fri, Apr 23, 2021 at 12:48:01PM +0200, Enric Balletbo i Serra wrote:
> Hi Greg,
>
> Many thanks for the patchset and notice us to take attention about these patches.
>
> On 21/4/21 14:58, Greg Kroah-Hartman wrote:
> > This reverts commit aaa3cbbac326c95308e315f1ab964a3369c4d07d.
> >
> > Commits from @umn.edu addresses have been found to be submitted in "bad
> > faith" to try to test the kernel community's ability to review "known
> > malicious" changes. The result of these submissions can be found in a
> > paper published at the 42nd IEEE Symposium on Security and Privacy
> > entitled, "Open Source Insecurity: Stealthily Introducing
> > Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> > of Minnesota) and Kangjie Lu (University of Minnesota).
> >
> > Because of this, all submissions from this group must be reverted from
> > the kernel tree and will need to be re-reviewed again to determine if
> > they actually are a valid fix. Until that work is complete, remove this
> > change to ensure that no problems are being introduced into the
> > codebase.
> >
> > Cc: Qiushi Wu <wu000273@umn.edu>
> > Cc: Mathew King <mathewk@chromium.org>
> > Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> I've reviewed the patch again (also double checked with people involved in this
> driver) and I don't spot an obvious issue with the original patch. Without it,
> on error path, the read-write sempahore used, will be released without having
> held it before.
>
> So it's IMO a valid fix that would have to be done the same way after
> revert.
>
> Please don't revert it.

Dropped from my patch series, thanks for the review.

greg k-h

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