Re: [PATCH] udf: Annotate struct udf_bitmap with __counted_by

From: Jan Kara
Date: Mon Sep 18 2023 - 03:11:53 EST


On Fri 15-09-23 14:50:14, Gustavo A. R. Silva wrote:
>
>
> On 9/15/23 14:14, 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 udf_bitmap.
> >
> > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> >
> > Cc: Jan Kara <jack@xxxxxxxx>
> > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
>
> Reviewed-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

Thanks. I've queued the patch to my tree.

Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR