Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc

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To: Zheng Yejian <zhengyejian1@xxxxxxxxxx>
Subject: Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Tue, 5 Sep 2023 14:45:52 -0400
Cc: "Masami Hiramatsu (Google)" <mhiramat@xxxxxxxxxx>, Ajay Kaher <akaher@xxxxxxxxxx>, <shuah@xxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linux-trace-kernel@xxxxxxxxxxxxxxx>, <linux-kselftest@xxxxxxxxxxxxxxx>, Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>, Ye Weihua <yeweihua4@xxxxxxxxxx>
In-reply-to: <1cb3aee2-19af-c472-e265-05176fe9bd84@huawei.com>

On Tue, 5 Sep 2023 20:54:40 +0800
Zheng Yejian <zhengyejian1@xxxxxxxxxx> wrote:

> Hi, Steve, Ajay,
> 
> After this patch and run this testcase, I got an use-after-free report
> by KASAN. Short log see [1], full logs see attach "panic.log".
> 
> And by simple bisect, I found it may be introduced by:
> 
>    27152bceea1d ("eventfs: Move tracing/events to eventfs")

Can you send me your config?

-- Steve

Follow-Ups:
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References:
- [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
  - From: Zheng Yejian
- Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
  - From: Google
- Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
  - From: Google
- Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
  - From: Steven Rostedt
- Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc
  - From: Zheng Yejian

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