Quoting Sasha Levin (2019-04-18 06:46:12)
> On Wed, Apr 17, 2019 at 03:16:05PM -0700, Taras Kondratiuk wrote:
> >Upstream commit 3fe6e52f0626 ("ovl: override creds with the ones from
> >the superblock mounter") is present in v4.4.156 as 121b09d30d48. But the
> >patch has a few follow up fixes in upstream that also have to be applied
> >to 4.4:
> >d0e13f5bbe4b ("ovl: fix uid/gid when creating over whiteout") in v4.7-rc4
> >8fc646b44385 ("ovl: fix random return value on mount") in v4.13-rc2
>
> The 2nd patch does not apply cleanly and seems to depend on 1175b6b8d96
> and 51f8f3c4e225.
The context is slightly modified by 51f8f3c4e225, but it looks
irrelevant. The fix should be still valid, because err value can be set
to PTR_ERR(mnt) above and when prepare_creds() fails ovl_fill_super()
will return a random value of mnt pointer instead of a proper error
code.
>
> I've queued up d0e13f5bbe4b for 4.4.
Thanks.
