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

From: Greg Kroah-Hartman
Date: Thu Apr 23 2020 - 06:36:09 EST


On Thu, Apr 23, 2020 at 03:26:23AM -0700, Guenter Roeck wrote:
> On 4/23/20 1:02 AM, Greg Kroah-Hartman wrote:
> > 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.
> >
>
> Did you (or do you plan to) push the updated branches ? My builders
> didn't pick it up yet.

Sorry about that, have now pushed out a -rc2 for all of those 3
branches.

greg k-h