linux-kernel - Re: [PATCH bpf-next v7 4/5] bpf: verifier: Support eliding map lookup nullness

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: <87v7twk25u.fsf@linux.ibm.com>
Date: Thu, 30 Jan 2025 11:48:45 +0100
From: "Marc Hartmayer" <mhartmay@...ux.ibm.com>
To: Daniel Xu <dxu@...uu.xyz>, Ilya Leoshkevich <iii@...ux.ibm.com>
Cc: shuah@...nel.org, eddyz87@...il.com, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, john.fastabend@...il.com, martin.lau@...ux.dev,
        song@...nel.org, yonghong.song@...ux.dev, kpsingh@...nel.org,
        sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, mykolal@...com,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next v7 4/5] bpf: verifier: Support eliding map
 lookup nullness

On Wed, Jan 29, 2025 at 10:45 AM -0700, Daniel Xu <dxu@...uu.xyz> wrote:
> On Wed, Jan 29, 2025 at 09:49:12AM -0700, Daniel Xu wrote:
>> Hi Ilya,
>> 

[…snip…]

>
> I cribbed the source from [0] and tested before and after. I think this
> should work. Mind giving it a try?

Hi Daniel,

thanks for the fix! I’ve tested the fix and it fixed the problem.

Tested-by: Marc Hartmayer <mhartmay@...ux.ibm.com>

[…snip…]