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Date:   Fri, 12 Feb 2021 08:42:34 +0100
From:   Oleksandr Natalenko <oleksandr@natalenko.name>
To:     "Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>
Cc:     Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>,
        "sjenning@linux.vnet.ibm.com" <sjenning@linux.vnet.ibm.com>,
        Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: kernel BUG at mm/zswap.c:1275! (rc6 - git 61556703b610)
Message-ID: <20210212074234.vumx4odistyhbu4m@spock.localdomain>
References: <CABXGCsNEUpv9x93UeCa-wOjE0LgUdTCY2FTABJeFL=gGq4SX_g@mail.gmail.com>
 <2538f4c21dd2405aac2abb776047a0fa@hisilicon.com>
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Hello.

On Thu, Feb 11, 2021 at 10:43:18AM +0000, Song Bao Hua (Barry Song) wrote:
> Are you using zsmalloc? There is a known bug on the combination
> of zsmalloc and zswap, fixed by patches of tiantao:
> 
> mm: set the sleep_mapped to true for zbud and z3fold
> mm/zswap: fix variable 'entry' is uninitialized when used
> mm/zswap: fix potential memory leak
> mm/zswap: add the flag can_sleep_mapped
> 
> at Linux-next:
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/?qt=author&q=tiantao6%40hisilicon.com

Is this a future stable-5.11 material (and/or, potentially, older stable branches
as well)?

-- 
  Oleksandr Natalenko (post-factum)