Messages in this thread | | | Date | Fri, 9 Oct 2020 13:50:14 +0200 | From | Christian Brauner <> | Subject | Re: [PATCH] openat2: reject RESOLVE_BENEATH|RESOLVE_IN_ROOT |
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On Wed, Oct 07, 2020 at 09:36:08PM +1100, Aleksa Sarai wrote: > This was an oversight in the original implementation, as it makes no > sense to specify both scoping flags to the same openat2(2) invocation > (before this patch, the result of such an invocation was equivalent to > RESOLVE_IN_ROOT being ignored). > > This is a userspace-visible ABI change, but the only user of openat2(2) > at the moment is LXC which doesn't specify both flags and so no > userspace programs will break as a result.
Indeed!
> > Fixes: fddb5d430ad9 ("open: introduce openat2(2) syscall") > Signed-off-by: Aleksa Sarai <cyphar@cyphar.com> > Acked-by: Christian Brauner <christian.brauner@ubuntu.com> > Cc: <stable@vger.kernel.org> # v5.6+ > ---
Thanks! This is a good fix imho. Christian
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