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

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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