linux-kernel - Re: mapcount corruption regression

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]

Date:   Mon, 30 Nov 2020 17:46:22 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     "Shutemov, Kirill" <kirill.shutemov@...el.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Yi Zhang <yi.zhang@...hat.com>
Subject: Re: mapcount corruption regression

On Mon, Nov 30, 2020 at 5:20 PM Dan Williams <dan.j.williams@...el.com> wrote:
>
> Kirill, Willy, compound page experts,
>
> I am seeking some debug ideas about the following splat:
>
> BUG: Bad page state in process lt-pmem-ns  pfn:121a12

Looks to be a similar signature that Yi Zhang is seeing:

http://lore.kernel.org/r/51e938d1-aff7-0fa4-1a79-f77ac8bb2f8b@redhat.com