Re: [PATCH 6.1 0/5] Backport v6.2 SGID fixes to LTS 6.1

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On Thu, Feb 23, 2023 at 05:20:39PM +0200, Amir Goldstein wrote:
> Greg,
> 
> Following are backports of Christian's SGID fixes that were merged to
> v6.2-rc1.
> 
> Note that Christain's PR [1] contains also two ovl patches (from me).
> Those two are independent fixes that have already been AUTOSELected
> to 6.1.y.
> 
> Christain's fixes also contain a user observable change of behavior
> to fix inconsistencies of behavior between chmod/chown and write.
> This change is best described in Christain's commit to fix the expected
> behavior in xfstests [2].
> 
> It is hoped that no applications rely on this minor behavioral
> difference, and if we are wrong, we may need to party revert the
> change, but in any case, we prefer the behavior of LTS kernels to be
> consitent with that of upstream.
> 
> I ran the relevant fstests test groups on xfs and on overlayfs over xfs.
> 
> I also have backports that I prepared for 5.15 and 5.10, but those
> backports include also xfs SGID fixes, so those need to go through the
> xfs stable review process.

All now queued up, thanks.

greg k-h



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