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 7C138192580; Wed, 6 Nov 2024 07:26:24 +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=1730877984; cv=none; b=GuJdu9sPtrK0y/xlKdLFa9oNMp/HNQ9mYsjyPSKtrz57REEgm9/AeY7gEobZocrSS7FGvB0BlQj9EXjLu/GaELmyhGakRyfjpNo+/1tZry6Ktm03KFjcSM6sq74Z7A1I1WY31gzEi0S0gBgWFBw8CBHoq5kuyJoue5cXx+Sp5ys= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730877984; c=relaxed/simple; bh=T/zpViMUVPQxJyrMKg/1IlU8jjVtE0X9HMEuHdkY5mA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gBT7y7wNo8eiz4Y08CZxipu+bdY1Pmx/sp6wzARSA08EN3Ap850wnFf/xfdE7vZ69hiIW48gC5f3pPf8wHHuTiI08bdmt/oL9i100GQJbcDjv3V/FQz6W72Ecp9yKH7mBTw1XHNfeVHi/WR5qPru6KMAKpNB7e8SV1KEG1I5/CU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qJyNgN8w; 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="qJyNgN8w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 781BDC4CECD; Wed, 6 Nov 2024 07:26:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730877984; bh=T/zpViMUVPQxJyrMKg/1IlU8jjVtE0X9HMEuHdkY5mA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qJyNgN8wUgxRML5AZQwZgG6G2u4a6WXZGbVgbSSaxgL1m+bY9Wi1FPEriRVBCXEVe xgCdgIOZjjevRNAqcOtDZHMr860UXr0tKf1TjzdH/97PjTM+0vXEcaOowbyFc2ge1p O0xLWIntwwlP9l9FCsc6IVtnJFoFkFV2m68Tain8= Date: Wed, 6 Nov 2024 08:26:05 +0100 From: Greg KH To: Salvatore Bonaccorso Cc: Luiz Augusto von Dentz , Thorsten Leemhuis , Mike , "stable@vger.kernel.org" , Marcel Holtmann , Johan Hedberg , linux-bluetooth@vger.kernel.org, Paul Menzel , Sasha Levin , Jeremy =?iso-8859-1?Q?Lain=E9?= , Linux regressions mailing list Subject: Re: Bluetooth kernel BUG with Intel AX211 (regression in 6.1.83) Message-ID: <2024110652-blooming-deck-f0d9@gregkh> References: <30f4b18f-4b96-403c-a0ab-d81809d9888a@gmail.com> <2024061258-boxy-plaster-7219@gregkh> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org 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 Tue, Nov 05, 2024 at 08:23:59PM +0100, Salvatore Bonaccorso wrote: > Hi Luiz, > > On Tue, Nov 05, 2024 at 12:53:50PM -0500, Luiz Augusto von Dentz wrote: > > Hi, > > > > On Tue, Nov 5, 2024 at 12:29 PM Thorsten Leemhuis > > wrote: > > > > > > On 31.10.24 07:33, Salvatore Bonaccorso wrote: > > > > On Tue, Jun 18, 2024 at 12:30:18PM +0200, Thorsten Leemhuis wrote: > > > >> On 12.06.24 14:04, Greg KH wrote: > > > >>> On Thu, Jun 06, 2024 at 12:18:18PM +0200, Thorsten Leemhuis wrote: > > > >>>> On 03.06.24 22:03, Mike wrote: > > > >>>>> On 29.05.24 11:06, Thorsten Leemhuis wrote: > > > >>>>> [...] > > > >>>>> I understand that 6.9-rc5[1] worked fine, but I guess it will take some > > > >>>>> time to be > > > >>>>> included in Debian stable, so having a patch for 6.1.x will be much > > > >>>>> appreciated. > > > >>>>> I do not have the time to follow the vanilla (latest) release as is > > > >>>>> likely the case for > > > >>>>> many other Linux users. > > > >>>>> > > > >>>> Still no reaction from the bluetooth developers. Guess they are busy > > > >>>> and/or do not care about 6.1.y. In that case: > > > >>>> > > > >>>> @Greg: do you might have an idea how the 6.1.y commit a13f316e90fdb1 > > > >>>> ("Bluetooth: hci_conn: Consolidate code for aborting connections") might > > > >>>> cause this or if it's missing some per-requisite? If not I wonder if > > > >>>> reverting that patch from 6.1.y might be the best move to resolve this > > > >>>> regression. Mike earlier in > > > >>>> https://lore.kernel.org/all/c947e600-e126-43ea-9530-0389206bef5e@gmail.com/ > > > >>>> confirmed that this fixed the problem in tests. Jeremy (who started the > > > >>>> thread and afaics has the same problem) did not reply. > > > >>> > > > >>> How was this reverted? I get a bunch of conflicts as this commit was > > > >>> added as a dependency of a patch later in the series. > > > >>> > > > >>> So if this wants to be reverted from 6.1.y, can someone send me the > > > >>> revert that has been tested to work? > > > >> > > > >> Mike, can you help out here, as you apparently managed a revert earlier? > > > >> Without you or someone else submitting a revert I fear this won't be > > > >> resolved... > > > > > > > > Trying to reboostrap this, as people running 6.1.112 based kernel > > > > seems still hitting the issue, but have not asked yet if it happens as > > > > well for 6.114. > > > > > > > > https://bugs.debian.org/1086447 > > > > > > > > Mike, since I guess you are still as well affected as well, does the > > > > issue trigger on 6.1.114 for you and does reverting changes from > > > > a13f316e90fdb1 still fix the issue? Can you send your > > > > backport/changes? > > > > > > Hmmm, no reply. Is there maybe someone in that bug that could create and > > > test a new revert to finally get this resolved upstream? Seem we > > > otherwise are kinda stuck here. > > > > Looks like we didn't tag things like 5af1f84ed13a ("Bluetooth: > > hci_sync: Fix UAF on hci_abort_conn_sync") and a239110ee8e0 > > ("Bluetooth: hci_sync: always check if connection is alive before > > deleting") that are actually fixes to a13f316e90fdb1. > > Ah good I see :). None of those were yet applied to the 6.1.y series > were the issue is still presend. Would you be up to provide the needed > changes to the stable team? That would be very much appreciated for > those affected running the 6.1.y series. We would need backports for these as they do not apply cleanly :( thanks, greg k-h