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Date: Thu, 6 Mar 2025 10:24:35 +0100
From: Ingo Molnar <mingo@kernel.org>
To: "Lai, Yi" <yi1.lai@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>, lucas.demarchi@intel.com,
	linux-kernel@vger.kernel.org, willy@infradead.org, acme@kernel.org,
	namhyung@kernel.org, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	irogers@google.com, adrian.hunter@intel.com,
	kan.liang@linux.intel.com
Subject: Re: [PATCH 04/19] perf: Simplify perf_event_alloc() error path
Message-ID: <Z8lp0z-7nlUr7LyD@gmail.com>
References: <20241104133909.669111662@infradead.org>
 <20241104135517.967889521@infradead.org>
 <Z8lVchtSX/w/atEU@ly-workstation>
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In-Reply-To: <Z8lVchtSX/w/atEU@ly-workstation>


* Lai, Yi <yi1.lai@linux.intel.com> wrote:

> Hi Peter Zijlstra ,
> 
> Greetings!
> 
> I used Syzkaller and found that in linux-next (tag: next-20250303), there are two issues and the first bad commit for both issues is
> 
> "
> 02be310c2d24 perf/core: Simplify the perf_event_alloc() error path
> "

We've had a number of fixes in this area, could you please check 
whether you can reproduce this crash with the latest perf tree:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core

Thanks!

	Ingo