linux-kernel - Re: [PATCH] tracing/kprobes: Check whether get_kretprobe() returns NULL in kretprobe

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Message-ID: <CAADnVQLhP1++YSGXrDTRPU6LR98Qkb5dNrcO1zs8HTUhTr9yHw@mail.gmail.com>
Date:   Wed, 8 Jun 2022 06:57:00 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, Yonghong Song <yhs@...com>,
        bpf <bpf@...r.kernel.org>, Kernel Team <kernel-team@...com>,
        LKML <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] tracing/kprobes: Check whether get_kretprobe() returns
 NULL in kretprobe_dispatcher()

On Wed, Jun 8, 2022 at 6:36 AM Steven Rostedt <rostedt@...dmis.org> wrote:
>
> On Wed, 8 Jun 2022 14:38:39 +0200
> Daniel Borkmann <daniel@...earbox.net> wrote:
>
> > >>> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
> > >>
> > >> Steven, I presume you'll pick this fix up?
> > >
> > > I'm currently at Embedded/Kernel Recipes, but yeah, I'll take a look at it. (Just need to finish my slides first ;-)
> >
> > Ok, thanks. If I don't hear back I presume you'll pick it up then.
>
> Yeah, I'm way behind due to the conference. And I'll be on PTO from
> tomorrow and back on Tuesday. And registration for Linux Plumbers is
> supposed to open today (but of course there's issues with that!), thus, I'm
> really have too much on my plate today :-p

Steven,

you missed Davem's presentation at KR about importance of delegation.
You need watch it:
https://youtu.be/ELPENQrtUas?t=9085