linux-kernel - Re: [PATCH AUTOSEL 5.4 08/10] selftests/bpf: Fix array access with signed variable test

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: <20201221190936.GF643756@sasha-vm>
Date:   Mon, 21 Dec 2020 14:09:36 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Jean-Philippe Brucker <jean-philippe@...aro.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        John Fastabend <john.fastabend@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.4 08/10] selftests/bpf: Fix array access with
 signed variable test

On Sun, Dec 20, 2020 at 01:05:19PM +0100, Jean-Philippe Brucker wrote:
>Hi,
>
>On Sat, Dec 19, 2020 at 10:34:55PM -0500, Sasha Levin wrote:
>> From: Jean-Philippe Brucker <jean-philippe@...aro.org>
>>
>> [ Upstream commit 77ce220c0549dcc3db8226c61c60e83fc59dfafc ]
>>
>> The test fails because of a recent fix to the verifier, even though this
>
>That fix is commit b02709587ea3 ("bpf: Fix propagation of 32-bit signed
>bounds from 64-bit bounds.") upstream, which only needed backport to 5.9.
>So although backporting this patch to 5.4 shouldn't break anything, I
>wouldn't bother.

I'll drop it from 5.4, thanks!

-- 
Thanks,
Sasha