linux-kernel - Re: [PATCH] x86/paravirt: Ensure calls to pv

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: <20240517100714.GAZkcsUqHxScXJErxP@fat_crate.local>
Date: Fri, 17 May 2024 12:07:14 +0200
From: Borislav Petkov <bp@...en8.de>
To: Jordan Niethe <jniethe@...dia.com>
Cc: linux-kernel@...r.kernel.org, jgross@...e.com, ajay.kaher@...adcom.com,
	alexey.amakhalov@...adcom.com, tglx@...utronix.de, mingo@...hat.com,
	dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
	peterz@...radead.org
Subject: Re: [PATCH] x86/paravirt: Ensure calls to pv_op functions are RIP
 relative

On Fri, May 17, 2024 at 12:42:24PM +1000, Jordan Niethe wrote:
> This has been observed at lower levels of compiler optimisation but
> there is nothing preventing it from occurring generally.

How can I reproduce this?

Thx.

-- 
Regards/Gruss,
    Boris.

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