| Date | Wed, 18 Aug 2021 11:28:27 +0200 | From | David Sterba <> | Subject | Re: [PATCH v2 49/63] btrfs: Use memset_startat() to clear end of struct |
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On Tue, Aug 17, 2021 at 11:05:19PM -0700, 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. > > Use memset_startat() so memset() doesn't get confused about writing > beyond the destination member that is intended to be the starting point > of zeroing through the end of the struct. > > Cc: Chris Mason <clm@fb.com> > Cc: Josef Bacik <josef@toxicpanda.com> > Cc: David Sterba <dsterba@suse.com> > Cc: linux-btrfs@vger.kernel.org > Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David Sterba <dsterba@suse.com>
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