linux-kernel - Re: AMD boot woe due to "x86/mm: Cleanup pgprot_4k_2_large() and pgprot_large_2

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:   Wed, 22 Apr 2020 18:47:03 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Qian Cai <cai@....pw>
Cc:     Christoph Hellwig <hch@....de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>
Subject: Re: AMD boot woe due to "x86/mm: Cleanup pgprot_4k_2_large() and
 pgprot_large_2_4k()"

On Wed, Apr 22, 2020 at 12:35:08PM -0400, Qian Cai wrote:
> The config has a few extra memory debugging options enabled like
> KASAN, debug_pagealloc, debug_vm etc.

How about you specify exactly which CONFIG_ switches and cmdline options
you have enabled deliberately? I can rhyme up the rest from the .config
file.

Full dmesg would be good too, sent privately's fine too.

"etc." is not good enough.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette