From: Markus Elfring <Markus.Elfring@web.de>
To: Zheng Yejian <zhengyejian1@huawei.com>,
linux-trace-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Mark Rutland <mark.rutland@arm.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] ftrace: Fix possible use-after-free issue in ftrace_location()
Date: Tue, 16 Apr 2024 17:57:33 +0200 [thread overview]
Message-ID: <bf870914-3845-4d2a-b7cf-d7f9ef28e0b9@web.de> (raw)
In-Reply-To: <20240416112459.1444612-1-zhengyejian1@huawei.com>
…
> To fix it, we hold rcu lock as lookuping ftrace record, and call
> synchronize_rcu() before freeing any ftrace pages.
I suggest to convert this description into an imperative wording.
Regards,
Markus
next prev parent reply other threads:[~2024-04-16 15:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-01 12:55 [PATCH] ftrace: Fix use-after-free issue in ftrace_location() Zheng Yejian
2024-04-10 15:28 ` Steven Rostedt
2024-04-11 1:48 ` Zheng Yejian
2024-04-16 11:24 ` [PATCH v2] ftrace: Fix possible " Zheng Yejian
2024-04-16 15:57 ` Markus Elfring [this message]
2024-04-17 3:28 ` [PATCH v3] " Zheng Yejian
2024-05-02 21:07 ` Steven Rostedt
2024-05-09 1:39 ` Zheng Yejian
2024-05-09 19:28 ` [PATCH v4] " Zheng Yejian
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