Messages in this thread | | | Date | Tue, 21 Sep 2021 12:01:12 -0700 | From | Kees Cook <> | Subject | Re: [PATCH] mm: Remove HARDENED_USERCOPY_FALLBACK |
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On Tue, Sep 21, 2021 at 08:11:49AM +0200, Stephen Kitt wrote: > This has served its purpose and is no longer used. All usercopy > violations appear to have been handled by now, any remaining > instances (or new bugs) will cause copies to be rejected. > > This isn't a direct revert of commit 2d891fbc3bb6 ("usercopy: Allow > strict enforcement of whitelists"); since usercopy_fallback is > effectively 0, the fallback handling is removed too. > > This also removes the usercopy_fallback module parameter on > slab_common. > > Link: https://github.com/KSPP/linux/issues/153 > Signed-off-by: Stephen Kitt <steve@sk2.org> > Suggested-by: Kees Cook <keescook@chromium.org>
Thanks for doing this!
Acked-by: Kees Cook <keescook@chromium.org>
-- Kees Cook
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