linux-kernel - Re: [PATCH v3 1/1] tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols

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Message-ID: <12305596.O9o76ZdvQC@pwmachine>
Date:   Wed, 18 Oct 2023 17:43:36 +0300
From:   Francis Laniel <flaniel@...ux.microsoft.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols

Hi!

Le mercredi 18 octobre 2023, 09:30:20 EEST Masami Hiramatsu a écrit :
> Hi Francis,
> 
> On Thu, 31 Aug 2023 09:14:55 +0200
> 
> Francis Laniel <flaniel@...ux.microsoft.com> wrote:
> > Hi.
> > 
> > Le mercredi 30 août 2023, 01:57:19 CEST Steven Rostedt a écrit :
> > > On Fri, 25 Aug 2023 22:13:21 +0900
> > > 
> > > Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:
> > > > > Excellent catch! Thank you, I will apply this patch and send v4
> > > > > right
> > > > > after. Regarding test, do you think I can add a test for the
> > > > > EADDRNOTAVAIL case?>
> > > > 
> > > > Hmm, in that case, you need to change something in tracefs/README so
> > > > that
> > > > we can identify the kernel has different behavior. Or we have to
> > > > change
> > > > this is a "Fix" for backporting.
> > > 
> > > I prefer this to be a Fix and backported.
> > 
> > This makes sense, I will send v5 to stable mailing list too!
> 
> I missed this a while. did you send v5 ? I could not find in my mbox.

Sorry, I took a bit of time before sending the v5 as I wanted to wait for 
Alessandro patchset to be merged first.
As it seems more work is needed on his contribution I think we can go with 
this fix first.

> Thank you,
> 
> > > Thanks,
> > > 
> > > -- Steve
> > 
> > Best regards.

Best regards.