linux-kernel - Re: Hang when booting guest kernels compiled with clang after SRSO mitigations

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: <20230810091525.GCZNSqrRVmKC0xJ3JL@fat_crate.local>
Date:   Thu, 10 Aug 2023 11:15:25 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: Hang when booting guest kernels compiled with clang after SRSO
 mitigations

On Thu, Aug 10, 2023 at 11:08:35AM +0200, Borislav Petkov wrote:
> On Thu, Aug 10, 2023 at 10:10:38AM +0200, Borislav Petkov wrote:
> > I can repro this here with Debian clang version 14.0.6-2 even with -smp
> > 2.
> > 
> > Lemme poke at this a bit.
> 
> Err, this stops booting even on plain -rc5 which doesn't have the SRSO
> patches.
> 
> If so, then you'd need to bisect.

-rc4 doesn't boot either here.

-- 
Regards/Gruss,
    Boris.

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