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 671C115B111; Fri, 6 Sep 2024 08:25:27 +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=1725611127; cv=none; b=gNEkGBqKKfB3rT+swIRTV00NZhqk7MAu0e4/zj9FWQcRZRNyveRmyeNz9qgY3FdCvTgMMlTo/EXN1txeXQEH8VRcQ6Ir1UQNSvt2eJXn/IhRyC5syEdlsEu3w41BWD2FXsD3oBnUSlF483reELbdGyjY+bWmQZzFkHU3rF6AeNQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725611127; c=relaxed/simple; bh=pLSAvXMBggHpO65VcXRH+xwOtOrcK0BnPMmF07j9Udg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Rw86svMoOHglP6VV0u8bW8xq4CttZUbWpAOvxiDLsA7Qbi9RZbeBQoy2q9+b+IIEMCLwQRdrzEuEvXckrmumxrY21wBwL78hyquaK43cMLTJPPslcW0UTZe3CaTkFogRHO23Q+TRIQA4z0fA/ljl+eaExYj14Cjakm8GG606jzU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BFnxcOLI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BFnxcOLI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9634C4CECD; Fri, 6 Sep 2024 08:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725611126; bh=pLSAvXMBggHpO65VcXRH+xwOtOrcK0BnPMmF07j9Udg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=BFnxcOLIk1LFIL/RbWfOYDFzy1j0BUbTpMFHd/RlQbqaxZ++OSyexV+JXaIDjatFo PHZIVD7lKe6kd58Q+p5dkYV7URgReGmwSk4NoDfzSTQZjlgcTlqAnVsk2xxrD6yNd3 X+8rhF5Ns/RMQrLSeUOcZNq0PS1ngyzjdh2aOs69TW77wJ+Cu9UNSsCdkVhdaBcAUj cmUJz86tKSbWTjXLzB04QtYyQjKzuwtAb/1uyqj5s93Yi8rwBbSKPuDgeI2iDPDpS4 pPpmGRaUAZ3BGGE/Ekdn/yiHHRGJ3p+ISbITGFtooWiUwXogB3mtKgb3FJHjJUKf8D XhUGg7Y1mmrYA== Message-ID: <0e2b59eb-12bf-4220-b9e8-97ae37d654ce@kernel.org> Date: Fri, 6 Sep 2024 10:25:24 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: FAILED: patch "[PATCH] mptcp: pm: re-using ID of unused removed subflows" failed to apply to 5.15-stable tree Content-Language: en-GB To: gregkh@linuxfoundation.org Cc: stable@vger.kernel.org, kuba@kernel.org, martineau@kernel.org, MPTCP Linux References: <2024082612-hydrated-overdress-ea6a@gregkh> From: Matthieu Baerts Autocrypt: addr=matttbe@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Greg, On 26/08/2024 14:04, gregkh@linuxfoundation.org wrote: > > The patch below does not apply to the 5.15-stable tree. > If someone wants it applied there, or to any other stable or longterm > tree, then please email the backport, including the original git commit > id to . Thank you for the notification! (...) > ------------------ original commit in Linus's tree ------------------ > > From edd8b5d868a4d459f3065493001e293901af758d Mon Sep 17 00:00:00 2001 > From: "Matthieu Baerts (NGI0)" > Date: Mon, 19 Aug 2024 21:45:21 +0200 > Subject: [PATCH] mptcp: pm: re-using ID of unused removed subflows > > If no subflow is attached to the 'subflow' endpoint that is being > removed, the addr ID will not be marked as available again. > > Mark the linked ID as available when removing the 'subflow' endpoint if > no subflow is attached to it. > > While at it, the local_addr_used counter is decremented if the ID was > marked as being used to reflect the reality, but also to allow adding > new endpoints after that. > > Fixes: b6c08380860b ("mptcp: remove addr and subflow in PM netlink") Similar to my previous message linked to the backport of "mptcp: pm: re-using ID of unused removed ADD_ADDR" where this patch depends on 86e39e04482b ("mptcp: keep track of local endpoint still available for each msk"), I don't think we need to backport this patch to v5.15. Cheers, Matt -- Sponsored by the NGI0 Core fund.