Re: [PATCH RFC v2 2/6] mm/slab: Perform init_on_free earlier

[Andrew Morton]

On Thu, 3 Dec 2020 22:50:27 +0300 Alexander Popov <alex.popov@xxxxxxxxx> wrote:

> On 30.09.2020 15:50, Alexander Potapenko wrote:
> > On Tue, Sep 29, 2020 at 8:35 PM Alexander Popov <alex.popov@xxxxxxxxx> wrote:
> >>
> >> Currently in CONFIG_SLAB init_on_free happens too late, and heap
> >> objects go to the heap quarantine being dirty. Lets move memory
> >> clearing before calling kasan_slab_free() to fix that.
> >>
> >> Signed-off-by: Alexander Popov <alex.popov@xxxxxxxxx>
> > Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
> 
> Hello!
> 
> Can this particular patch be considered for the mainline kernel?

All patches are considered ;) And merged if they're reviewed, tested,
judged useful, etc.

If you think this particular patch should be fast-tracked then please
send it as a non-RFC, standalone patch.  Please also enhance the
changelog so that it actually explains what goes wrong.  Presumably
"objects go to the heap quarantine being dirty" causes some
user-visible problem?  What is that problem?