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Date: Fri, 20 Aug 2021 17:27:35 +0200 (CEST) From: Jiri Kosina <jikos@...nel.org> To: Kees Cook <keescook@...omium.org> cc: LKML <linux-kernel@...r.kernel.org>, Stefan Achatz <erazor_de@...rs.sourceforge.net>, Benjamin Tissoires <benjamin.tissoires@...hat.com>, linux-input <linux-input@...r.kernel.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-wireless <linux-wireless@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, Maling list - DRI developers <dri-devel@...ts.freedesktop.org>, linux-staging@...ts.linux.dev, linux-block <linux-block@...r.kernel.org>, linux-kbuild <linux-kbuild@...r.kernel.org>, clang-built-linux <clang-built-linux@...glegroups.com>, Rasmus Villemoes <linux@...musvillemoes.dk>, linux-hardening@...r.kernel.org Subject: Re: [PATCH v2 55/63] HID: roccat: Use struct_group() to zero kone_mouse_event On Fri, 20 Aug 2021, Kees Cook wrote: > > > In preparation for FORTIFY_SOURCE performing compile-time and run-time > > > field bounds checking for memset(), avoid intentionally writing across > > > neighboring fields. > > > > > > Add struct_group() to mark region of struct kone_mouse_event that should > > > be initialized to zero. > > > > > > Cc: Stefan Achatz <erazor_de@...rs.sourceforge.net> > > > Cc: Jiri Kosina <jikos@...nel.org> > > > Cc: Benjamin Tissoires <benjamin.tissoires@...hat.com> > > > Cc: linux-input@...r.kernel.org > > > Signed-off-by: Kees Cook <keescook@...omium.org> > > > > Applied, thank you Kees. > > > > Eek! No, this will break the build: struct_group() is not yet in the tree. > I can carry this with an Ack, etc. I was pretty sure I saw struct_group() already in linux-next, but that was apparently a vacation-induced brainfart, sorry. Dropping. -- Jiri Kosina SUSE Labs
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