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 <[email protected]> > Fixes: f5509cc18daa ("mm: Hardened usercopy") > Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Rik van Riel <[email protected]> -- All rights reversed
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