linux-kernel - Re: [PATCH v2 bpf-next 2/2] selftests/bpf: Add selftests for load-acquire/store-release when register number is invalid

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] [day] [month] [year] [list]

Message-ID: <cd4c961ef54cc3a03d5f8eb709699a476b7a1300.camel@gmail.com>
Date: Fri, 21 Mar 2025 20:17:27 -0700
From: Eduard Zingerman <eddyz87@...il.com>
To: Kohei Enju <enjuk@...zon.com>
Cc: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
 daniel@...earbox.net, 	haoluo@...gle.com, iii@...ux.ibm.com,
 john.fastabend@...il.com, jolsa@...nel.org, 	kohei.enju@...il.com,
 kpsingh@...nel.org, kuniyu@...zon.com, 	linux-kernel@...r.kernel.org,
 martin.lau@...ux.dev, sdf@...ichev.me, 	song@...nel.org,
 yepeilin@...gle.com, yonghong.song@...ux.dev
Subject: Re: [PATCH v2 bpf-next 2/2] selftests/bpf: Add selftests for
 load-acquire/store-release when register number is invalid

On Sat, 2025-03-22 at 11:48 +0900, Kohei Enju wrote:

[...]

> I chose the minimum invalid register regardless of the actual occurrence 
> of the splat, since the validity check of this type might be `regno >= 
> MAX_BPF_REG` or not.
> Sorry for my confusing choice.
> 
> Since I'm not attached to that particular choice, I'll change it to R15.
> Thank you for reviewing and providing feedback!

Hi Kohei,

Thank you for detailed explanation.
Please add 'Acked-by: Eduard Zingerman <eddyz87@...il.com>'
for the next revision.

Thanks,
Eduard

[...]