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Date: Fri, 28 Oct 2022 21:04:51 -0700 From: Kees Cook <keescook@...omium.org> To: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com> Cc: Alex Deucher <alexander.deucher@....com>, Christian König <christian.koenig@....com>, "Pan, Xinhui" <Xinhui.Pan@....com>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH v2] [next] drm/radeon: Replace one-element array with flexible-array member On Sat, Oct 29, 2022 at 04:32:05PM +1300, Paulo Miguel Almeida wrote: > One-element arrays are deprecated, and we are replacing them with > flexible array members instead. So, replace one-element array with > flexible-array member in struct _ATOM_FAKE_EDID_PATCH_RECORD and > refactor the rest of the code accordingly. > > It's worth mentioning that doing a build before/after this patch results > in no binary output differences. Thanks for checking it! > > This helps with the ongoing efforts to tighten the FORTIFY_SOURCE > routines on memcpy() and help us make progress towards globally > enabling -fstrict-flex-arrays=3 [1]. > > Link: https://github.com/KSPP/linux/issues/79 > Link: https://github.com/KSPP/linux/issues/239 > Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836 [1] > > Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com> Reviewed-by: Kees Cook <keescook@...omium.org> -- Kees Cook
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