Messages in this thread | | | Subject | Re: [PATCH v2] usercopy: remove page-spanning test for now | From | Rik van Riel <> | Date | Wed, 07 Sep 2016 14:29:46 -0400 |
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On Wed, 2016-09-07 at 11:08 -0700, Kees Cook wrote: > A custom allocator without __GFP_COMP that copies to userspace has > been > found in vmw_execbuf_process[1], so this disables the page-span > checker > by placing it behind a CONFIG for future work where such things can > be > tracked down later. > > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1373326 > > Reported-by: Vinson Lee <vlee@freedesktop.org> > Fixes: f5509cc18daa ("mm: Hardened usercopy") > Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
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