Re: [PATCH] rapidio: Avoid bogus __alloc_size warning

Andrew Morton
2021-09-09T23:11:13Z

On Thu, 9 Sep 2021 15:51:23 -0700 Kees Cook <keescook@chromium.org> wrote:

> > That's an "error", not a warning. Or is this thanks to the new -Werror?
>
> This is a "regular" error (__bad_copy_to() uses __compiletime_error()).
>
> > Either way, I'm inclined to cc:stable on this, because use of gcc-9 on
> > older kernels will be a common thing down the ages.
> >
> > If it's really an "error" on non-Werror kernels then definitely cc:stable.
>
> I would expect that as only being needed if __alloc_size was backported
> to -stable, which seems unlikely.

Ah. Changelog didn't tell me that it's an __alloc_size thing.

What's the status of the __alloc_size() patchset, btw?