[OE-core] [oe-commits] Alex Franco : Fix mode +st on TMPDIR when creating it

[Christopher Larson]

On Tue, Sep 1, 2015 at 4:11 PM, Alex Franco <
alejandro.franco at linux.intel.com> wrote:

> I gather the original reason (for the sanity test, as well as these
> changes) is that it is better for everything under BUILDDIR - and certainly
> TMPDIR to be owned by the user running bitbake and have standard
> permissions, the sticky bit itself would prevent a user running bitbake,
> even with +rwx permissions, from making changes to items it might need to
> manipulate, if those are not owned by this user. Similarly setuid and
> setgid might propagate user/group ownerships different from the user
> bitbake is running as, into BUILDDIR and TMPDIR (and items therein).
>
> For more info take a look at:
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=7669
>
> Perhaps there are more pressing reasons, perhaps Christopher Larson can
> comment a bit on this.
>

Indeed, the g+s can flow down into the files put into the packages, and
then into the rootfs. I ran into a this problem quite a bit, since my
project areas are in a g+s area to keep the files accessible to the group.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
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