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 A14C531B838; Mon, 13 Apr 2026 13:33:22 +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=1776087202; cv=none; b=RXuRrlc7neYNq/spJkTQEa9VMWa4YceCa37+RzWkKTTLQEB0fRhQtcP/QjxqJ/vg/e3uNAc1rLuWnE0SlZhgJ95aUJ0HNDD2diw6PbVHDp/f3bOUxw1HcoM8ODXEZyiw2ygvDqOi5a6I7YGryOoBwXQMhgc8yN5lF9IDGJSR7HI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776087202; c=relaxed/simple; bh=RGoZ0kAv/HIA5tdh+NMoNMfUmNT/RqGCY7/2guxi8Jc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Mtb8qKK402FH++Qnn1yBsq830ILOdFWkFUzwUCbHy20gXcrji8vSiBzVscS5Ne89qIWYsa8hn5z5GD5j8z6EsqXFD96Jgw0nFUrTqOKoA4+NRbRIwm3tQVZm1UzVY24jPRURIjEXyzMvEbG8leJYT2GH2b50120bHgyaOdjaDPo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=IHDTvyRD; 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="IHDTvyRD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C7C8C2BCB1; Mon, 13 Apr 2026 13:33:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776087202; bh=RGoZ0kAv/HIA5tdh+NMoNMfUmNT/RqGCY7/2guxi8Jc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IHDTvyRDE3WSwBk1xO9U6TZmQvfdJH63ZqQRXS5xECfan33vXrUVzEHG90u2kV7Fn UylDAJIxPnJdQlMf+2JKWCEhBBy39FUZ9K0avT2ls5CZm3Ud4F/olNHgxFeOYUSWUW 4stFN1G0CrnrpDYN+hrfNNUQcQLaD/E1a+LnwX3c= Date: Mon, 13 Apr 2026 14:55:06 +0200 From: Greg KH To: Thorsten Leemhuis Cc: "He, Guocai (CN)" , "Berg, Johannes" , Friend , Linux kernel regressions list , "Korenblit, Miriam Rachel" , "stable@vger.kernel.org" Subject: Re: commit 0c4f1c02d27a880b cause a deadlock issue Message-ID: <2026041330-groggy-ruse-5e27@gregkh> References: <14d65103-8809-4a1b-b115-bf5f8d7110ea@leemhuis.info> <2026040331-evasion-walk-f572@gregkh> <2026040349-chowtime-freeload-5ca4@gregkh> <58f6e74d-480e-4e0c-aa66-68dfc1de7421@leemhuis.info> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <58f6e74d-480e-4e0c-aa66-68dfc1de7421@leemhuis.info> On Mon, Apr 13, 2026 at 01:58:56PM +0200, Thorsten Leemhuis wrote: > On 4/3/26 15:00, Korenblit, Miriam Rachel wrote: > >> From: Greg KH > >> On Fri, Apr 03, 2026 at 12:44:48PM +0000, Korenblit, Miriam Rachel wrote: > >>>> -----Original Message----- > >>>> From: Greg KH > >>>> On Fri, Apr 03, 2026 at 11:08:46AM +0000, He, Guocai (CN) wrote: > >>>>> No, The mainline have no this issue. > >>>>> The changes of 0c4f1c02d27a880b is not in mainline. > >>>> > >>>> That does not make sense, that commit is really commit e1696c8bd005 > >>>> ("wifi: cfg80211: stop NAN and P2P in cfg80211_leave") which is in > >>>> all of the following releases: > >>>> 5.10.252 5.15.202 6.1.165 6.6.128 6.12.75 6.18.14 6.19.4 7.0-rc1 > >>>> confused, > >>> The change is indeed in mainline, but the locking situation in > >>> mainline is totally different (that mutex does not even exist there) > >>> Therefore, the issue is not supposed to happen in mainline. > >> > >> Ok, does that commit now need to be reverted from some of the stable branches? > >> If so, which ones? > > > > From every version which is < 6.7. > > Greg, do you still have this in your todo mail queue somewhere? Just > wondering, as last weeks 6.6.y released afics lacked a revert of > e1696c8bd0056b ("wifi: cfg80211: stop NAN and P2P in cfg80211_leave") -- > and I cannot spot one in your public stable queue either. > > These are the commits that according to Miri need to be reverted if I > understood things right: > > v6.6.128 (4d7a05da767e5c), v6.1.165 (0c4f1c02d27a88), v5.15.202 > (31344ffecd7a34), v5.10.252 (d91240f24e831d) It is, yes, my queue is huge :( It's fastest if someone sends me the reverts and I can easily apply them that way. Otherwise it takes me a bit to do each one manually :( thanks, greg k-h