netdev - Re: [PATCH] kasan, mempool: don't store free stacktrace in io_alloc

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Message-ID: <CAPAsAGy8HBMFpeV900thoXUr8QC6V5sCzRh65+NNbYGpJpYgHg@mail.gmail.com>
Date: Mon, 27 Jan 2025 14:35:03 +0100
From: Andrey Ryabinin <ryabinin.a.a@...il.com>
To: Andrey Konovalov <andreyknvl@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, kasan-dev@...glegroups.com, 
	io-uring@...r.kernel.org, linux-mm@...ck.org, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, juntong.deng@...look.com, lizetao1@...wei.com, 
	stable@...r.kernel.org, Alexander Potapenko <glider@...gle.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Vincenzo Frascino <vincenzo.frascino@....com>, 
	Jens Axboe <axboe@...nel.dk>, Pavel Begunkov <asml.silence@...il.com>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>
Subject: Re: [PATCH] kasan, mempool: don't store free stacktrace in
 io_alloc_cache objects.

On Sat, Jan 25, 2025 at 1:03 AM Andrey Konovalov <andreyknvl@...il.com> wrote:
>
> On Wed, Jan 22, 2025 at 5:07 PM Andrey Ryabinin <ryabinin.a.a@...il.com> wrote:

> > @@ -261,7 +262,7 @@ bool __kasan_slab_free(struct kmem_cache *cache, void *object, bool init,
> >         if (!kasan_arch_is_ready() || is_kfence_address(object))
> >                 return false;
> >
> > -       poison_slab_object(cache, object, init, still_accessible);
> > +       poison_slab_object(cache, object, init, still_accessible, true);
>
> Should notrack be false here?
>

Yep.