Messages in this thread | | | Date | Tue, 19 Jun 2018 09:15:48 +0300 | From | Leon Romanovsky <> | Subject | Re: [PATCH 2/2] mm: set PG_dma_pinned on get_user_pages*() |
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On Mon, Jun 18, 2018 at 10:11:13AM +0200, Christoph Hellwig wrote: > On Sun, Jun 17, 2018 at 01:10:04PM -0700, Dan Williams wrote: > > I believe kernel behavior regression is a primary concern as now > > fallocate() and truncate() can randomly fail where they didn't before. > > Fail or block forever due to actions of other unprivileged users. > > That is a complete no-go.
They will fail "properly" with some error, which is better than current situation where those unprivileged users can trigger oops.
Thanks [unhandled content-type:application/pgp-signature] | |