linux-kernel - Re: [PATCH v4 2/2] selftests/bpf: Add test for BPF_NEG alu on CONST_PTR_TO

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Message-ID: <a9bfe698df684f2a78e49913a0e39b02fa52088d.camel@gmail.com>
Date: Wed, 01 Oct 2025 12:33:27 -0700
From: Eduard Zingerman <eddyz87@...il.com>
To: Brahmajit Das <listout@...tout.xyz>
Cc: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
 daniel@...earbox.net, 	haoluo@...gle.com, john.fastabend@...il.com,
 jolsa@...nel.org, kpsingh@...nel.org, 	linux-kernel@...r.kernel.org,
 martin.lau@...ux.dev, sdf@...ichev.me, 	song@...nel.org,
 syzbot+d36d5ae81e1b0a53ef58@...kaller.appspotmail.com, 
	syzkaller-bugs@...glegroups.com, yonghong.song@...ux.dev, KaFai Wan	
 <kafai.wan@...ux.dev>
Subject: Re: [PATCH v4 2/2] selftests/bpf: Add test for BPF_NEG alu on
 CONST_PTR_TO_MAP

On Thu, 2025-10-02 at 00:47 +0530, Brahmajit Das wrote:
> From: KaFai Wan <kafai.wan@...ux.dev>
> 
> Add a test case for BPF_NEG operation on CONST_PTR_TO_MAP. Tests if
> BPF_NEG operation on map_ptr is rejected in unprivileged mode and is a
> scalar value and do not trigger Oops in privileged mode.
> 
> Signed-off-by: KaFai Wan <kafai.wan@...ux.dev>
> ---

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

(in the future, once you have an Ack, please copy it to the next
 revision, unless there are some dramatic changes to the code).