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From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <peterz@infradead.org>,
	chenyuan_fl@163.com, bigeasy@linutronix.de, chenyuan@kylinos.cn,
	john.ogness@linutronix.de, linux-kernel@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org,
	mathieu.desnoyers@efficios.com
Subject: Re: [PATCH v4] tracing: Fix race condition in kprobe initialization causing NULL pointer dereference
Date: Thu, 2 Oct 2025 23:04:26 +0900	[thread overview]
Message-ID: <20251002230426.708abb71918760263d499ec8@kernel.org> (raw)
In-Reply-To: <20251002075924.6c97aaf0ecb9500418c87680@kernel.org>

On Thu, 2 Oct 2025 07:59:24 +0900
Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:

> On Wed, 1 Oct 2025 10:31:49 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
> 
> > On Wed, 1 Oct 2025 14:32:00 +0200
> > Peter Zijlstra <peterz@infradead.org> wrote:
> > 
> > > Anyway, patch looks reasonable now. Rest is up to Steve, this is his
> > > code.
> > 
> > Actually, it's Masami's ;-)  And it's up to him.
> 
> Yeah, looks good to me. Let me pick it as a fix.

BTW, I will add below, the commit introduced the flags.

    Fixes: 50d780560785 ("tracing/kprobes: Add probe handler dispatcher to support perf and ftrace concurrent use")
    Cc: stable@vger.kernel.org

Thanks,

> 
> Thank you!
> 
> > 
> > -- Steve
> 
> 
> -- 
> Masami Hiramatsu (Google) <mhiramat@kernel.org>


-- 
Masami Hiramatsu (Google) <mhiramat@kernel.org>

  reply	other threads:[~2025-10-02 14:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-29  3:11 [PATCH] " chenyuan_fl
2025-09-29  5:39 ` Masami Hiramatsu
2025-09-29  6:57   ` [PATCH v2] " chenyuan_fl
2025-09-29  8:48     ` Steven Rostedt
2025-09-29  9:12       ` Peter Zijlstra
2025-09-29  9:32       ` John Ogness
2025-09-29 10:12         ` Peter Zijlstra
2025-09-30  8:58           ` Masami Hiramatsu
2025-09-30 10:10             ` Peter Zijlstra
2025-09-30 15:37               ` Masami Hiramatsu
2025-09-30  8:18         ` [PATH v3] " chenyuan_fl
2025-09-30  8:46           ` Peter Zijlstra
2025-09-30 15:37             ` Masami Hiramatsu
2025-10-01  2:20               ` [PATCH v4] " chenyuan_fl
2025-10-01 12:32                 ` Peter Zijlstra
2025-10-01 14:31                   ` Steven Rostedt
2025-10-01 22:59                     ` Masami Hiramatsu
2025-10-02 14:04                       ` Masami Hiramatsu [this message]
2025-10-01 23:23                   ` Masami Hiramatsu
2025-09-30  9:13           ` [PATH v3] " John Ogness

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