Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp638731pxv; Thu, 15 Jul 2021 12:10:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxfaPadk+v7/sD5uEZ4wy0L4pM99DpvsnxkJArkTxT8mZKRoW9XV5K2RHFuEqwr6Ut52X56 X-Received: by 2002:a92:1942:: with SMTP id e2mr3884628ilm.4.1626376209699; Thu, 15 Jul 2021 12:10:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626376209; cv=none; d=google.com; s=arc-20160816; b=kbB7YgUs2yqxNFX+7YGUbAlhnrLbE92ICzSbMaLuW8ZWTgtwAKoO9YON2EJQ7jgB8m ugIJWAGLgTrZmUatCjPgQsPkfBaNfVekv57Oj8MpQa4+hRMsUu6XJ66d5Zgu/vbdlCie n7xI80tPDMS2LO8TNiMhKfo5oojyAOjiX0YFDvW0shG6e9LSxFZOKKwCZTOQl+aG0M66 AVk7//C5X8xAdZXN89UoKOIcFaz5RVsieVL9GbjSI3yfTlXoWPAKZfwQCrzo1hf+9xvN AHFQ/INtLM0jjM/P4PnaJ6o4eV50TAkZyVYiQH+twPH9055uhwv8ib1i8c4x/zjPULzy gvPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=FyVqda3UkG0ZDL7pKg7Qmh0wYHOfHOr/+iQvTGMeEbo=; b=a20ThA29WvAKImahg3SUFXPp3FHg9XCQ3mPYgD0FLCc+46lGdD+0e7lv/4E5lnkGA3 My8QDAmxEg4bI1T4bP1LllqD/5QhcN4/PquuDhD4EOmwo25gOCvKfb1T7jWs1QlL46wV stqYvU+y8sfytedOJULL4mNAr/KAVVvUPBISUSfcydfAh9wKvIC9vfXGAfN95us3BqbB kfVuIVYGCujBdiyqYWKjtr5VSInmn8LDWfvrJcuKFUpnAKDoF+7zseevHiCHpPRvezQ0 SKTXuwqSoL0CqkvmVSarercAxd0qSG40eebTBRqOUW3SSry9DU8l3/HXYYTnbQa2K55Y xQZQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a17si3937701ioa.40.2021.07.15.12.09.57; Thu, 15 Jul 2021 12:10:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244028AbhGOTKd (ORCPT + 99 others); Thu, 15 Jul 2021 15:10:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243030AbhGOTAJ (ORCPT ); Thu, 15 Jul 2021 15:00:09 -0400 Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [IPv6:2a0a:51c0:0:12e:520::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 816B3C05BD38; Thu, 15 Jul 2021 11:54:52 -0700 (PDT) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1m46VT-0007Rr-8F; Thu, 15 Jul 2021 20:54:47 +0200 Date: Thu, 15 Jul 2021 20:54:47 +0200 From: Florian Westphal To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Varad Gautam , linux-rt-users , netdev@vger.kernel.org, Steffen Klassert , Herbert Xu , "David S. Miller" , Jakub Kicinski , Florian Westphal , "Ahmed S. Darwish" Subject: Re: [PATCH 5.4 097/122] xfrm: policy: Read seqcount outside of rcu-read side in xfrm_policy_lookup_bytype Message-ID: <20210715185447.GC9904@breakpoint.cc> References: <20210715182448.393443551@linuxfoundation.org> <20210715182517.994942248@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210715182517.994942248@linuxfoundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greg Kroah-Hartman wrote: > From: Varad Gautam > > commit d7b0408934c749f546b01f2b33d07421a49b6f3e upstream. This patch has been reverted in the ipsec tree, the problem was then addressed via 2580d3f40022642452dd8422bfb8c22e54cf84bb ("xfrm: Fix RCU vs hash_resize_mutex lock inversion"). AFAICS its not in mainline yet.