linux-kernel - Re: [PATCH 4.9 000/125] 4.9.220-rc1 review

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Date:   Thu, 23 Apr 2020 10:02:58 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org
Subject: Re: [PATCH 4.9 000/125] 4.9.220-rc1 review

On Wed, Apr 22, 2020 at 01:54:02PM -0700, Guenter Roeck wrote:
> On Wed, Apr 22, 2020 at 01:34:30PM -0700, Guenter Roeck wrote:
> > On Wed, Apr 22, 2020 at 11:55:17AM +0200, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 4.9.220 release.
> > > There are 125 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > > 
> > > Responses should be made by Fri, 24 Apr 2020 09:48:23 +0000.
> > > Anything received after that time might be too late.
> > > 
> > 
> > I see a number of unit test crashes in ppc images. Looks like UAF.
> > This affects 4.4.y, 4.9.y, and 4.14.y. I'll bisect.
> > 
> 
> Bisect log attached. I suspect the real culprit is commit a4f91f0de905
> ("of: unittest: clean up changeset test"), or at least it changes the
> code enough for the offending patch not to work in v4.14.y and older.
> Either case, reverting upstream commit b3fb36ed694b ("of: unittest:
> kmemleak on changeset destroy") fixes the problem and thus needs to
> be dropped from v4.4.y, v4.9.y, and v4.14.y.

Thanks for letting me know, I've now dropped it from all of those trees.

greg k-h