From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.secunet.com (mx1.secunet.com [62.96.220.36]) (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 96999303A2C; Mon, 1 Dec 2025 11:14:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.96.220.36 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764587676; cv=none; b=S8BubU5HCkv1tB6VXUFTRy7REuqXgnt4y53uw3bkgcdrx2M/jpNIRyyjQEyvv9SgPXdUSEpZzXn7pVXEEmUsRwG7M+Yzrx7n8n6/G7PfMCjOTOpvSgIhStklAhsZxpVX8iifUkVHHBSbsWgE4ebTIYAGOl6yn8kf4sjVggKEX78= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764587676; c=relaxed/simple; bh=4MwKTvfcfQq6mKKQ5gQeVPqPnTc4ySxA8QCIRnZK0j0=; h=Date:From:To:CC:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HFxUJ0PpBrHsgkLB+v50rvG/5jE1NEnKryAXdyU8H0YSmgz5nkM0xH+Ot6S0WCYRS/tD2GTsymvmwY1JEvbM7nU+wIiqxhEBh26DozmONlurViKmXNLh/48+AAOynb3Ty78rXHkGX36r2oDZ7abZ6elgRQIrXCutSbgE1P3e8Lk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=secunet.com; spf=pass smtp.mailfrom=secunet.com; dkim=pass (2048-bit key) header.d=secunet.com header.i=@secunet.com header.b=IV9Up3JV; arc=none smtp.client-ip=62.96.220.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=secunet.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=secunet.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=secunet.com header.i=@secunet.com header.b="IV9Up3JV" Received: from localhost (localhost [127.0.0.1]) by mx1.secunet.com (Postfix) with ESMTP id 7C06D207B0; Mon, 1 Dec 2025 12:14:30 +0100 (CET) X-Virus-Scanned: by secunet Received: from mx1.secunet.com ([127.0.0.1]) by localhost (mx1.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cdwlBYeyqKvy; Mon, 1 Dec 2025 12:14:30 +0100 (CET) Received: from EXCH-01.secunet.de (unknown [10.32.0.231]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.secunet.com (Postfix) with ESMTPS id E609F201A7; Mon, 1 Dec 2025 12:14:29 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.secunet.com E609F201A7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=secunet.com; s=202301; t=1764587669; bh=1PUjlLo05W8BNxSk+z6UsGqcpcTN8fJ3CfH/pVpaSz4=; h=Date:From:To:CC:Subject:References:In-Reply-To:From; b=IV9Up3JV8Xfc/+Y8Jw4n5HD3mB1bm2STnAOPg3HIFiPELAMM0Pwl3cDK38e5LCPXW K7yCOJmjocVXe/oqb0ctPN6DQ6ZdWyfARNS/gOGxKMWiVFMcX3z47uUpepPLx7CjjG 8EV1TRrv2qleVLeiBukZbWGXRJwE8mHTEXLXMwHfClmsAgZyGNRb0DU3PylHAC5vyv cmoZrkybCKDmWj2azqjQGa5dEIvxtBHSgTFkUkneDeHYgZXOz0h6MfI7l3meJ8hvC0 fnslNr8UeKO95CyAQXKILE3KAq17njImrTI+gNxBP8U/Q2wlI7xOyV+EBMn2TKcoB8 ZVKQ5bT2MfvsQ== Received: from secunet.com (10.182.7.193) by EXCH-01.secunet.de (10.32.0.171) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.17; Mon, 1 Dec 2025 12:14:29 +0100 Received: (nullmailer pid 1220425 invoked by uid 1000); Mon, 01 Dec 2025 11:14:29 -0000 Date: Mon, 1 Dec 2025 12:14:29 +0100 From: Steffen Klassert To: Slavin Liu CC: , Sabrina Dubroca , "netdev@vger.kernel.org" Subject: Re: [BUG] Missing backport for commit b441cf3f8c4b ("xfrm: delete x->tunnel as we delete x") Message-ID: References: <20251118151140.89427-1-slavin452@gmail.com> Precedence: bulk X-Mailing-List: netdev@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: <20251118151140.89427-1-slavin452@gmail.com> X-ClientProxiedBy: cas-essen-01.secunet.de (10.53.40.201) To EXCH-01.secunet.de (10.32.0.171) On Tue, Nov 18, 2025 at 11:11:40PM +0800, Slavin Liu wrote: > Hi, > > I would like to request backporting commit b441cf3f8c4b ("xfrm: delete > x->tunnel as we delete x") to all LTS kernels. > This patch actually fixes a use-after-free issue, but it hasn't been > backported to any of the LTS versions, which are still being affected. This was explicitely held of from backporting due to problems. It should not be backported without: 10deb6986484 ("xfrm: also call xfrm_state_delete_tunnel at...")