On Tue, Mar 13, 2018 at 10:23:43AM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wvla, remove VLA. In this particular
> case use macro ARRAY_SIZE so the length of array _result_ can be
> computed at preprocessing time.
> The use of stack Variable Length Arrays needs to be avoided, as they
> can be a vector for stack exhaustion, which can be both a runtime bug
> or a security flaw. Also, in general, as code evolves it is easy to
> lose track of how big a VLA can get. Thus, we can end up having runtime
> failures that are hard to debug.
> Also, fixed as part of the directive to remove all VLAs from
> the kernel: https://lkml.org/lkml/2018/3/7/621
> Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
It is already applied as I had sent the patch few days ago.
I specifically CC'ed you and Kees to avoid the patch collisions.