On Fri, Sep 29, 2023 at 12:21 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > On Fri, 15 Sep 2023 13:03:28 -0700, Kees Cook wrote: > > Prepare for the coming implementation by GCC and Clang of the __counted_by > > attribute. Flexible array members annotated with __counted_by can have > > their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS > > (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > > functions). > > > > As found with Coccinelle[1], add __counted_by for struct linear_conf. > > Additionally, since the element count member must be set before accessing > > the annotated flexible array member, move its initialization earlier. > > > > [...] > > Applied to for-next/hardening, thanks! > > [1/1] md/md-linear: Annotate struct linear_conf with __counted_by > https://git.kernel.org/kees/c/9add7681e09b Hmm.. Jens pulled this into his for-next branch and for-6.7/block branch earlier today: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-next&id=e887544d7620f1d3cef017e45df7bc625182caff Do we need to do anything about this (drop one of them)? Thanks, Song
