linux-kernel - Re: kernel BUG at mm/zswap.c:1275! (rc6

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210212074234.vumx4odistyhbu4m@spock.localdomain>
Date:   Fri, 12 Feb 2021 08:42:34 +0100
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     "Song Bao Hua (Barry Song)" <song.bao.hua@...ilicon.com>
Cc:     Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>,
        "sjenning@...ux.vnet.ibm.com" <sjenning@...ux.vnet.ibm.com>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: kernel BUG at mm/zswap.c:1275! (rc6 - git 61556703b610)

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)