| Subject | Re: [PATCH v2 49/63] btrfs: Use memset_startat() to clear end of struct | From | Nikolay Borisov <> | Date | Wed, 18 Aug 2021 09:35:52 +0300 |
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On 18.08.21 г. 9:05, 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>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
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