linux-kernel - Re: [PATCH 5.4 120/134] mm/slub: fix a memory leak in sysfs_slab

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Message-ID: <CAHk-=whCd3aED5YOagwmt3-1+tbc796kgSrqF_PZAZ4_=d1ygg@mail.gmail.com>
Date:   Thu, 28 Jan 2021 09:06:25 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>,
        Wang Hai <wanghai38@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 5.4 120/134] mm/slub: fix a memory leak in sysfs_slab_add()

Note: this patch is getting reverted upstream, because it causes a
double free (admittedly under very rare circumstances, but still).

I'll mark the revert for stable, since it seems to have made it into
basically all stable kernels.

The revert commit is 757fed1d0898 Revert "mm/slub: fix a memory leak
in sysfs_slab_add()".

            Linus

On Tue, Jun 16, 2020 at 8:41 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> From: Wang Hai <wanghai38@...wei.com>
>
> commit dde3c6b72a16c2db826f54b2d49bdea26c3534a2 upstream.