Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp912540iob; Wed, 4 May 2022 10:29:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxyMkiwgcse0dIiOkim//mwPP0ZNCv+GOgO5P60BQ33uGH/FsfuZ6V20hGUAEw3U8lpzOgd X-Received: by 2002:a17:90b:4c51:b0:1dc:a734:db94 with SMTP id np17-20020a17090b4c5100b001dca734db94mr652476pjb.24.1651685367239; Wed, 04 May 2022 10:29:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651685367; cv=none; d=google.com; s=arc-20160816; b=JGqw67+TrfX6DDIVslYHvi3aCzH8mQzwBOMIcIlc383zBk4uXJ2OhDo+/OTwt7nxN/ eXDikpVx6I40DZw7nEhgJLEecswKAVf3/vWAof7HBqetjfx9xv0lo1WQ/uzHD2dzBk7P i02+3PeMlAGI5tO0C3xu2YXc3bII6YOtSSTgls+ODSX6ggZEgp1x1CRloNQJi6E4HPEn DYAlZi7m3qIdqfiItZ0kcKTODJMigafYwiE4Rx70ITuOKFOmnu+iMloBxDoSQSGAp/n3 4KEul327jyG8qIKALcyScFEh3Hz/DdPJF5B5nClEYHZ1081dySM94aKCc4VPDzO8Eeeu B3Gw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=5OScOxwpIZrEsqZ37V9N6T65OqfXY1AINDXrqiWdESs=; b=kREwKH2Pm1+ILaBcoeCxszi7eP6Exrih1Hxfp7tOrN/kjF9pB+612K5FqsN9WUot6D a01mpUZJaYciX4CvrQ/miB3vD+6ZWIW2FoS+6YyjIWRgkY8xhiyfkpsPABJTAIzPa35e P39l3gqAH9MalrH4p7c2RrD+bCmw3n0RkxoS8IMItihUuakqJIs++NP4h/3rz1F685DU sJqKrwCpGypForLBdX/d0PQ0sU9fZ1Ve3BjDYjbwxOf8HI5HxCRsT7sb+MPnu/UR9+dQ 4zCWlr5WZnt1cP+SXVbutkr4OXxIfU8Uzi2st//riobhQJcWajuFUns5stKSZjwqEOAT gCmQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id g16-20020a056a000b9000b0050a834d159bsi19599937pfj.118.2022.05.04.10.29.10; Wed, 04 May 2022 10:29:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346418AbiEDIpr (ORCPT + 99 others); Wed, 4 May 2022 04:45:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbiEDIpp (ORCPT ); Wed, 4 May 2022 04:45:45 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D60A23BCE for ; Wed, 4 May 2022 01:42:10 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 15359477; Wed, 4 May 2022 10:42:09 +0200 (CEST) Date: Wed, 4 May 2022 10:42:07 +0200 From: Joerg Roedel To: Qian Cai , Alex Williamson Cc: Lu Baolu , Jason Gunthorpe , Kevin Tian , Liu Yi L , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH v8 00/11] Fix BUG_ON in vfio_iommu_group_notifier() Message-ID: References: <20220418005000.897664-1-baolu.lu@linux.intel.com> <20220502161204.GA22@qian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220502161204.GA22@qian> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 02, 2022 at 12:12:04PM -0400, Qian Cai wrote: > Reverting this series fixed an user-after-free while doing SR-IOV. > > BUG: KASAN: use-after-free in __lock_acquire Hrm, okay. I am going exclude this series from my next branch for now until this has been sorted out. Alex, I suggest you do the same. Regards, Joerg