Dmitry V. Levin ldv at altlinux.org
Mon Nov 18 19:11:29 UTC 2019

On Mon, Nov 18, 2019 at 08:02:48PM +0100, Paul Chaignon wrote:
> On Mon, Nov 18, 2019 at 09:39:41PM +0300, Dmitry V. Levin wrote:
> > Why can't we have only some of seccomp filters to be NO_FORK_INHERIT'ed?
> If we have filter list f1->nf2->f3, with only nf2 NO_FORK_INHERIT'ed, we
> would need to make a copy of at least f1 upon forking to rewrite its .prev
> pointer to point to f3 directly.  Currently, children get a reference to
> the list, there's no need for any filter copy.

OK, we might need to make a copy, is it a problem?

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