linux-kernel - Re: [PATCH] mm/slab: Perform init_on

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Message-ID: <CAAmzW4PbivLRBMDR1HykzpFS_ekF4Z-pkAm3n_a5En-TArZuPQ@mail.gmail.com>
Date:   Fri, 11 Dec 2020 10:17:23 +0900
From:   Joonsoo Kim <js1304@...il.com>
To:     Alexander Popov <alex.popov@...ux.com>
Cc:     Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, kasan-dev@...glegroups.com,
        notify@...nel.org
Subject: Re: [PATCH] mm/slab: Perform init_on_free earlier

2020년 12월 11일 (금) 오전 3:37, Alexander Popov <alex.popov@...ux.com>님이 작성:
>
> Currently in CONFIG_SLAB init_on_free happens too late, and heap
> objects go to the heap quarantine not being erased.
>
> Lets move init_on_free clearing before calling kasan_slab_free().
> In that case heap quarantine will store erased objects, similarly
> to CONFIG_SLUB=y behavior.
>
> Signed-off-by: Alexander Popov <alex.popov@...ux.com>
> Reviewed-by: Alexander Potapenko <glider@...gle.com>

Acked-by: Joonsoo Kim <iamjoonsoo.kim@....com>