From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D9313137B; Sat, 3 Feb 2024 01:12:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706922750; cv=none; b=Exjfs2iBBsOl7jPXrQhYxxRat/SsNkB50OXBPzbgx4sxnHoP6v1zI1N32kE+R1+MCubvFKp7bjsZYPsGZokdNJ3F65/48I9IZtWNmttUm33oe3PhsSThsUb2i+IWID0ORbPSOBtB+8HBScs/yzLdeeObus+UYEbqZEXlggDPUZg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706922750; c=relaxed/simple; bh=2DiNg+AV7VuJ2EwtZlmsfWoLff7eCS+w/xEf/uARMwI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dOBT9paUM5T2yPtD4/BI8diTndNTnk6rQp8JPB0pSW49zRL8SNTQe2YK5O5jZqWdzMie4EKYpVVId9GmXOP+jNTG3iw5jOfQqUlICr7Mr0AGEagG3WDU2n1vUTui2g5GKwhbMDy8wjPDnqwp+si72iODQ7xcGo0/qSeb/WMX89g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eNE9eojQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eNE9eojQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21C03C433C7; Sat, 3 Feb 2024 01:12:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706922749; bh=2DiNg+AV7VuJ2EwtZlmsfWoLff7eCS+w/xEf/uARMwI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eNE9eojQwUc6DjSQklExt40eZUahaqQYQkmoWPFEI0OXb+T0MElo6Zy1Wp1FhDxY2 T2PKMk+fuVx/ng/Wqu/B6guq2BJ9F1WcNPlcHy3+rj18P7Tzg3/T5KjO/rqzT1fz9A H2Ci8pHC+kcPdmwCj0fOQQakETltS0lmL3WwK3D4= Date: Fri, 2 Feb 2024 17:12:28 -0800 From: Greg Kroah-Hartman To: Marco Elver Cc: Vlastimil Babka , Jiri Slaby , Alexander Potapenko , stable@vger.kernel.org, patches@lists.linux.dev, Charan Teja Kalla , "Aneesh Kumar K.V" , Dan Williams , David Hildenbrand , Mel Gorman , Oscar Salvador , Andrew Morton Subject: Re: [PATCH 6.7 125/346] mm/sparsemem: fix race in accessing memory_section->usage Message-ID: <2024020221-disburse-scrawny-ff90@gregkh> References: <20240129170016.356158639@linuxfoundation.org> <20240129170020.057681007@linuxfoundation.org> <81752462-c6c7-4a65-b9f2-371573e15499@kernel.org> <2024013044-snowiness-abreast-2a47@gregkh> <7d963e3f-2677-4459-b60e-2590d6cddc79@suse.cz> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Feb 02, 2024 at 10:50:26AM +0100, Marco Elver wrote: > On Fri, 2 Feb 2024 at 10:44, Vlastimil Babka wrote: > > > > > > > > On 1/30/24 17:21, Greg Kroah-Hartman wrote: > > > On Tue, Jan 30, 2024 at 07:00:36AM +0100, Jiri Slaby wrote: > > >> On 29. 01. 24, 18:02, Greg Kroah-Hartman wrote: > > >>> 6.7-stable review patch. If anyone has any objections, please let me know. > > >>> > > >>> ------------------ > > >>> > > >>> From: Charan Teja Kalla > > >>> > > >>> commit 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 upstream. > > >> > > >> Hi, > > >> > > >> our machinery (git-fixes) says, this is needed as a fix: > > >> commit f6564fce256a3944aa1bc76cb3c40e792d97c1eb > > >> Author: Marco Elver > > >> Date: Thu Jan 18 11:59:14 2024 +0100 > > >> > > >> mm, kmsan: fix infinite recursion due to RCU critical section > > >> > > >> > > >> Leaving up to the recipients to decide, as I have no idea… > > > > Let's Cc the people involved in f6564fce256a394 > > > > > That commit just got merged into Linus's tree, AND it is not marked for > > > stable, which is worrying as I have to get the developers's approval to > > > add any non-cc-stable mm patch to the tree because they said they would > > > always mark them properly :) > > > > > > So I can't take it just yet... > > So 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 is being backported to > stable, which means that the issue that f6564fce256a394 fixed will be > present in stable. I didn't mark f6564fce256a394 as stable as the > problem doesn't exist in stable (yet), but if the problem-introducing > commit is being backported, then yes, please also backport > f6564fce256a394 to stable. Thanks, now queued up. greg k-h