Re: auxv stuff (Re: [PATCH] prctl: fix PR_SET_MM_AUXV kernel stack leak)

Alexey Dobriyan
2021-03-16T18:51:34Z

On Mon, Mar 15, 2021 at 09:42:47AM +0300, Cyrill Gorcunov wrote:
> On Mon, Mar 15, 2021 at 09:00:00AM +0300, Alexey Dobriyan wrote:
> > On Sun, Mar 14, 2021 at 02:40:05PM -0700, Linus Torvalds wrote:
> > > [mm->saved_auxv]
> > >
> > > That's a separate issue, and I can't find it in myself to care (and
> > > nobody has ever complained), but I thought I'd mention it.
> >
> > There is another (non-security) one. Compat 32-bit process will report
> > 2 longs too many:
>
> Good catch! Alexey, should I address it? Or you have fixed it already?

I didn't and I don't know how frankly.
Something I've noticed during more important auxv rewrite.