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

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Message-ID: <c4d48f60-a24b-459e-ccbd-617d0518efc7@iogearbox.net>
Date:   Fri, 17 Jun 2022 10:32:15 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     "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>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] tracing/kprobes: Check whether get_kretprobe() returns
 NULL in kretprobe_dispatcher()

On 6/17/22 10:26 AM, Daniel Borkmann wrote:
> On 6/8/22 3:10 PM, Steven Rostedt 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, we still have this in our patchwork for tracking so it doesn't fall
> off the radar. The patch is 3 weeks old by now. Has this been picked up yet,
> or do you want to Ack and we ship the fix via bpf tree? Just asking as I
> didn't see any further updates ever since.

Same goes for these two fixes waiting for Ack:

   https://lore.kernel.org/bpf/165461825202.280167.12903689442217921817.stgit@devnote2/

Thanks,
Daniel