From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 251ECC636C8 for ; Thu, 15 Jul 2021 19:08:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05BB3613DD for ; Thu, 15 Jul 2021 19:08:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244040AbhGOTKf (ORCPT ); Thu, 15 Jul 2021 15:10:35 -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.