linux-kernel - Re: [PATCH v2] bpftool: Fix JSON writer resource leak in version command

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Message-ID: <8ffaaba9-a96e-4097-8e66-994034e7e67d@kernel.org>
Date: Tue, 17 Jun 2025 15:09:07 +0100
From: Quentin Monnet <qmo@...nel.org>
To: Yuan Chen <chenyuan_fl@....com>, ast@...nel.org
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
 andrii.nakryiko@...il.com, Yuan Chen <chenyuan@...inos.cn>
Subject: Re: [PATCH v2] bpftool: Fix JSON writer resource leak in version
 command

2025-06-17 09:24 UTC-0400 ~ Yuan Chen <chenyuan_fl@....com>
> From: Yuan Chen <chenyuan@...inos.cn>
> 
> When using `bpftool --version -j/-p`, the JSON writer object
> created in do_version() was not properly destroyed after use.
> This caused a memory leak each time the version command was
> executed with JSON output.
> 
> Fix: 004b45c0e51a (tools: bpftool: provide JSON output for all possible commands)
> Signed-off-by: Yuan Chen <chenyuan@...inos.cn>
> Suggested-by: Quentin Monnet <qmo@...nel.org>

Reviewed-by: Quentin Monnet <qmo@...nel.org>

Thanks!