linux-kernel - Re: [PATCH bpf-next] bpf: clear user buf when bpf_d

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Message-ID: <CAPhsuW6ibk-9J21sUWkEbbQEhnFHpD4kT4m=KDQNYhk=9hZdWQ@mail.gmail.com>
Date: Wed, 11 Jun 2025 10:20:25 -0700
From: Song Liu <song@...nel.org>
To: Tao Chen <chen.dylane@...ux.dev>
Cc: kpsingh@...nel.org, mattbobrowski@...gle.com, ast@...nel.org, 
	daniel@...earbox.net, andrii@...nel.org, martin.lau@...ux.dev, 
	eddyz87@...il.com, yonghong.song@...ux.dev, john.fastabend@...il.com, 
	sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, rostedt@...dmis.org, 
	mhiramat@...nel.org, mathieu.desnoyers@...icios.com, bpf@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next] bpf: clear user buf when bpf_d_path failed

On Wed, Jun 11, 2025 at 8:49 AM Tao Chen <chen.dylane@...ux.dev> wrote:
>
> The bpf_d_path() function may fail. If it does,
> clear the user buf, like bpf_probe_read etc.
>
> Signed-off-by: Tao Chen <chen.dylane@...ux.dev>

Acked-by: Song Liu <song@...nel.org>

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