From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by smtp.subspace.kernel.org (Postfix) with ESMTPS id 355EC2BE03B
	for <linux-kernel@vger.kernel.org>; Sun, 28 Jun 2026 16:52:50 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18
ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
	t=1782665572; cv=none; b=UxdVOboQVTb9Q+HptgwyQvIkwYSgEFlTi8TRF0pLEkJdUKfyUwlZHmEDIyhQhjZIiYVbiCYHVVxLtVywww6jO/Dm2jKXJ4yrZkjzUI+kSAuC+a4FHQjlDcuZ4MUhfsd5YpSXklmipgo2vNR913OJm3SRLfFvirt/Pcg769D8qWI=
ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org;
	s=arc-20240116; t=1782665572; c=relaxed/simple;
	bh=UoTx6xU8yDXHrVOrV2WqzQJs49Jh5lvyOqGy0RAPmlI=;
	h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID:
	 MIME-Version:Content-Type; b=sg9UcnF/FVJcq5ST7GA/1HEvkMbejPbmDSCujcFlYuOURaTiLj4u/eksFemklC0IvuPHeZW3SrAq7sDNTJbtKuQyQk417176wB744Az8JC5dH05YPO7kJWxGFjK///q8DtyJYU3usHo7Etj6Y1Gjo3OS4yutVjIHX+lqdtokVdU=
ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PtiZoC9y; arc=none smtp.client-ip=100.103.45.18
Authentication-Results: smtp.subspace.kernel.org;
	dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PtiZoC9y"
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02B301F000E9;
	Sun, 28 Jun 2026 16:52:49 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org;
	s=k20260515; t=1782665570;
	bh=OZwcufre02oxXJXl5OoYF4szoFaYHZFgyC2goZImBq0=;
	h=From:To:Cc:Subject:In-Reply-To:References:Date;
	b=PtiZoC9y1VSfVbzXlu/wBI7UfpyF0+zEobRuoSmIYHxBUcJwkvNElw7Xw5/ttm2kr
	 0XiJy7o+5tYE/AXaYyTZJiUbgI4DcgjuhZ6pEBeAZ/5ZQAANLy6xYnOWYaLhuPP2HM
	 xW4WwzS8ufcbP8UF2oR+1wfsVHZoXdkWIgxQo7FXUFLr9XtKd7SXTCPFxbNJFCjyZn
	 DX3ub5eAczq2zZMBaUpNxXkiRQwn4HjoAXGxWF/6qU7WVVVqx6nO3rnH4yOu51coQ3
	 d8vSqnK55oLzbau1A8fj+dZgYjxEPOFNIX7VaKmp7N9qsAEhD6S/lr/LmuQ5cXE58N
	 LYwpvhCeKB9LA==
From: Thomas Gleixner <tglx@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>, Jiayuan Chen
 <jiayuan.chen@linux.dev>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] debugobjects: skip activate fixup when disabled by a
 concurrent OOM
In-Reply-To: <20260627230105.0989abc510ad6e5cf63a862c@linux-foundation.org>
References: <20260610034726.213910-1-jiayuan.chen@linux.dev>
 <20260627230105.0989abc510ad6e5cf63a862c@linux-foundation.org>
Date: Sun, 28 Jun 2026 18:52:47 +0200
Message-ID: <87ik72hajk.ffs@fw13>
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
Content-Type: text/plain

On Sat, Jun 27 2026 at 23:01, Andrew Morton wrote:
> On Wed, 10 Jun 2026 11:47:25 +0800 Jiayuan Chen <jiayuan.chen@linux.dev> wrote:
> The patch was sent at an inopportune time - late in -rc people aren't
> paying much attention to new material so bugfixes can fall through
> cracks.

Indeed I missed it somehow.

> If it is known that this WARN can trigger in real-world situations then
> we'll probably want to fix earlier kernels, which means a Fixes: and a
> cc:stable.

It's already fixed upstream:

     b81dde13cc16 ("debugobjects: Plug race against a concurrent OOM disable")

syzbot triggered the problem...