Kees Cook [off-list ref] wrote:
In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring array fields.
Validate the expected key size and introduce a wrapping structure
to use as the multi-field memcpy() destination so that overflows
can be correctly detected.
Signed-off-by: Kees Cook <redacted>
Patch applied to wireless-drivers-next.git, thanks.
70ca8441ebfc orinoco: Avoid field-overflowing memcpy()
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210616203952.1248910-1-keescook@chromium.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches