linux-kernel - Re: [PATCH bpf-next v2 2/2] bpf: selftests: verifier: Add nullness elision tests

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Message-ID: <8ea86aec1f8e0bc766389f3cbd47f206a9301a41.camel@gmail.com>
Date: Fri, 20 Sep 2024 15:24:48 -0700
From: Eduard Zingerman <eddyz87@...il.com>
To: Daniel Xu <dxu@...uu.xyz>, daniel@...earbox.net, shuah@...nel.org, 
	andrii@...nel.org, ast@...nel.org
Cc: martin.lau@...ux.dev, song@...nel.org, yonghong.song@...ux.dev, 
 john.fastabend@...il.com, kpsingh@...nel.org, sdf@...ichev.me,
 haoluo@...gle.com,  jolsa@...nel.org, mykolal@...com, bpf@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
 kernel-team@...a.com
Subject: Re: [PATCH bpf-next v2 2/2] bpf: selftests: verifier: Add nullness
 elision tests

On Sun, 2024-09-15 at 21:45 -0600, Daniel Xu wrote:
> Test that nullness elision works for common use cases. For example, we
> want to check that both full and subreg stack slots are recognized. As
> well as when there's both const and non-const values of R2 leading up to
> a lookup. And obviously some bound checks.
> 
> Signed-off-by: Daniel Xu <dxu@...uu.xyz>
> ---

Acked-by: Eduard Zingerman <eddyz87@...il.com>

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