From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6698935695468993968==" MIME-Version: 1.0 From: Michael S. Tsirkin To: lkp@lists.01.org Subject: Re: [vdpa_sim_net] 79991caf52: net/ipv4/ipmr.c:#RCU-list_traversed_in_non-reader_section Date: Mon, 08 Feb 2021 04:57:20 -0500 Message-ID: <20210208045641-mutt-send-email-mst@kernel.org> In-Reply-To: <20210207030330.GB17282@xsang-OptiPlex-9020> List-Id: --===============6698935695468993968== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Sun, Feb 07, 2021 at 11:03:30AM +0800, kernel test robot wrote: > = > Greeting, > = > FYI, we noticed the following commit (built with gcc-9): > = > commit: 79991caf5202c7989928be534727805f8f68bb8d ("vdpa_sim_net: Add supp= ort for user supported devices") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git Dongli-Zh= ang/vhost-scsi-alloc-vhost_scsi-with-kvzalloc-to-avoid-delay/20210129-191605 > = > = > in testcase: trinity > version: trinity-static-x86_64-x86_64-f93256fb_2019-08-28 > with following parameters: > = > runtime: 300s > = > test-description: Trinity is a linux system call fuzz tester. > test-url: http://codemonkey.org.uk/projects/trinity/ > = > = > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -= m 8G > = > caused below changes (please refer to attached dmesg/kmsg for entire log/= backtrace): > = Parav want to take a look? -- = MST --===============6698935695468993968==-- 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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 497CEC433DB for ; Mon, 8 Feb 2021 09:57:33 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B69D864E56 for ; Mon, 8 Feb 2021 09:57:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B69D864E56 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 5F40D867A8; Mon, 8 Feb 2021 09:57:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3rAolzya7T8a; Mon, 8 Feb 2021 09:57:31 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id A8388867EC; Mon, 8 Feb 2021 09:57:31 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 90682C0174; Mon, 8 Feb 2021 09:57:31 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 72494C013A for ; Mon, 8 Feb 2021 09:57:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 65B51867EC for ; Mon, 8 Feb 2021 09:57:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BnnmG719bo84 for ; Mon, 8 Feb 2021 09:57:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by whitealder.osuosl.org (Postfix) with ESMTPS id 7FA5D867A8 for ; Mon, 8 Feb 2021 09:57:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612778248; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=RvZB2MDYfZF1qZTLhRJJTQFx3HJrD/c9ga0gap1r0Iw=; b=SY4IsF6SbgAXHXwZXWd/uot+WYhV2HiugtUpgGTcGriZF3p8N89XasnQEsYrcLIyRt1WA/ RMwqzBbegV3EHaJKHmPYoVW7I3FO/WTf67Rt5WGbL+8r26TJH/Q7T4yL6Ar+/wP16NwmUj 9Td+r8CmfXgwIiXyMdeDSNlUD+cjxfc= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-47-lNvRhOwqNDavk7p9bJyDtQ-1; Mon, 08 Feb 2021 04:57:25 -0500 X-MC-Unique: lNvRhOwqNDavk7p9bJyDtQ-1 Received: by mail-ed1-f70.google.com with SMTP id o21so827085edq.1 for ; Mon, 08 Feb 2021 01:57:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=RvZB2MDYfZF1qZTLhRJJTQFx3HJrD/c9ga0gap1r0Iw=; b=p4/NZnG9sHscECvLkLjJjVBrawYEVN7fouAYukR94GDunIEpQstJQpUPYF5/BOwPHF WSyhwyEf1XmEhtS1FwVZoUikBtd+aWiCuaYUQyY4mlMX5nmUZETmlTUoa5gn9B5fWr8s Nwg7/ncwh1JgtjcmajXeW0OFZNztgc9wXL5vzdiNsEylnGPB3ka1juMoOHy8JpXEVVKx 3zMXUYN9CYnzMy/QFmS4nutSNmK4vh0geKSNLyNwQmaEnglhQ+2iSJYUlq4kHEX1guLN DKSqtC4jbWgKJzuTivpN6eFX6Bp3+t9ee0nwcd4ofCpUHj2CEt87JXpHyTM/z/485lQ7 sJ7g== X-Gm-Message-State: AOAM531tlgOgJSf+6zjc03NPQc+6bMNOhD4MCTgRgIxv2jpySYBa/9Zb oRwf0G4DDuFsEu/jzrlIwWmDx2Otw1X5Sdj9ekDHlmAM4hilQhV/I/cHqDM9a05/S21ZVhjh72g 90r9nYm1nnKrp0BtA92TYubSRm4SMnLYXguaWYWC/Eg== X-Received: by 2002:a17:906:69c2:: with SMTP id g2mr15591531ejs.249.1612778244679; Mon, 08 Feb 2021 01:57:24 -0800 (PST) X-Google-Smtp-Source: ABdhPJxuMkDMU86Gua486YyYkyE3So25auj8KdRwJTxDrTGf27Ev7G+jbzxJNKOribW4cbFKzGSizw== X-Received: by 2002:a17:906:69c2:: with SMTP id g2mr15591508ejs.249.1612778244420; Mon, 08 Feb 2021 01:57:24 -0800 (PST) Received: from redhat.com (bzq-79-180-2-31.red.bezeqint.net. [79.180.2.31]) by smtp.gmail.com with ESMTPSA id mh4sm5533387ejb.122.2021.02.08.01.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Feb 2021 01:57:23 -0800 (PST) Date: Mon, 8 Feb 2021 04:57:20 -0500 From: "Michael S. Tsirkin" To: kernel test robot Subject: Re: [vdpa_sim_net] 79991caf52: net/ipv4/ipmr.c:#RCU-list_traversed_in_non-reader_section Message-ID: <20210208045641-mutt-send-email-mst@kernel.org> References: <20210123080853.4214-1-dongli.zhang@oracle.com> <20210207030330.GB17282@xsang-OptiPlex-9020> MIME-Version: 1.0 In-Reply-To: <20210207030330.GB17282@xsang-OptiPlex-9020> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: aruna.ramakrishna@oracle.com, lkp@intel.com, kvm@vger.kernel.org, joe.jin@oracle.com, LKML , virtualization@lists.linux-foundation.org, lkp@lists.01.org, stefanha@redhat.com, netdev@vger.kernel.org, pbonzini@redhat.com, Eli Cohen X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Sun, Feb 07, 2021 at 11:03:30AM +0800, kernel test robot wrote: > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 79991caf5202c7989928be534727805f8f68bb8d ("vdpa_sim_net: Add support for user supported devices") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git Dongli-Zhang/vhost-scsi-alloc-vhost_scsi-with-kvzalloc-to-avoid-delay/20210129-191605 > > > in testcase: trinity > version: trinity-static-x86_64-x86_64-f93256fb_2019-08-28 > with following parameters: > > runtime: 300s > > test-description: Trinity is a linux system call fuzz tester. > test-url: http://codemonkey.org.uk/projects/trinity/ > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > Parav want to take a look? -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization 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=-11.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 E5F52C4332D for ; Mon, 8 Feb 2021 10:04:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6F3464EAA for ; Mon, 8 Feb 2021 10:04:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232143AbhBHKCx (ORCPT ); Mon, 8 Feb 2021 05:02:53 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:56212 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232163AbhBHJ66 (ORCPT ); Mon, 8 Feb 2021 04:58:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612778247; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=RvZB2MDYfZF1qZTLhRJJTQFx3HJrD/c9ga0gap1r0Iw=; b=V9niYLt78pI5ToVzJPRsE34XxwdN5kQBEW6nSIbfIwjJTconuYlyOIcf5yuefG1CbCRQE0 wbbDvFuywg2IKxJsuwbYwLnOwagzxtNqEUxHFWI2BRFiofa/Yk286iv+YSdB7xYi7ceNKS sSPjmULFc7IReH6SuDilgItw6/ywHEI= Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-548-Ic-5btMAPfS1ohFvxyjkJA-1; Mon, 08 Feb 2021 04:57:25 -0500 X-MC-Unique: Ic-5btMAPfS1ohFvxyjkJA-1 Received: by mail-ej1-f71.google.com with SMTP id yh28so11312563ejb.11 for ; Mon, 08 Feb 2021 01:57:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=RvZB2MDYfZF1qZTLhRJJTQFx3HJrD/c9ga0gap1r0Iw=; b=d7FHec8TWt/Zcv9Nuu+giA7JJt41yh1T/3GbiXGnepP2z6nDCDHUH8zL89EklZpZsb +xnuz4QDcd2meei8o0yvFr7h/GO3W+8mZ/AGdCmaqU+sirqMAG8ynVS/UNWVVfGt/uLi HtSBsU93vAe2ofxYGvkMH7qhcYf8VpIhi3z5cVEQb3a5tFivnofxNGQGHc8L4p2aLqKu p7qJeG+UV/3uNsTpos37tVK9tijUF2MZhNCGzUCb99mlKDX+AgW9YM8xijvaKZXrah8x gUbmMLL8OsVaEin736SUFQaYqaRGCJ2oUzMVUxTSbL0WTxSIylp/K8UuVc+mn/+HQWsf jpLw== X-Gm-Message-State: AOAM531QibpsUgBn4MIraLdf+zed6M+WZhocSgzDqRYUPJjSR6w+px+Y JBI6jtT19sN9oJiEDqbR3XzDg7xq7eJy69mrojQxXdlNnCEHO5+AzHxZpXrn/3sy/zo+9Z2ulg2 jZOrMCyAAykoB X-Received: by 2002:a17:906:69c2:: with SMTP id g2mr15591534ejs.249.1612778244680; Mon, 08 Feb 2021 01:57:24 -0800 (PST) X-Google-Smtp-Source: ABdhPJxuMkDMU86Gua486YyYkyE3So25auj8KdRwJTxDrTGf27Ev7G+jbzxJNKOribW4cbFKzGSizw== X-Received: by 2002:a17:906:69c2:: with SMTP id g2mr15591508ejs.249.1612778244420; Mon, 08 Feb 2021 01:57:24 -0800 (PST) Received: from redhat.com (bzq-79-180-2-31.red.bezeqint.net. [79.180.2.31]) by smtp.gmail.com with ESMTPSA id mh4sm5533387ejb.122.2021.02.08.01.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Feb 2021 01:57:23 -0800 (PST) Date: Mon, 8 Feb 2021 04:57:20 -0500 From: "Michael S. Tsirkin" To: kernel test robot Cc: Dongli Zhang , Eli Cohen , Jason Wang , LKML , lkp@lists.01.org, lkp@intel.com, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, netdev@vger.kernel.org, pbonzini@redhat.com, stefanha@redhat.com, joe.jin@oracle.com, aruna.ramakrishna@oracle.com, parav@nvidia.com Subject: Re: [vdpa_sim_net] 79991caf52: net/ipv4/ipmr.c:#RCU-list_traversed_in_non-reader_section Message-ID: <20210208045641-mutt-send-email-mst@kernel.org> References: <20210123080853.4214-1-dongli.zhang@oracle.com> <20210207030330.GB17282@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210207030330.GB17282@xsang-OptiPlex-9020> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Sun, Feb 07, 2021 at 11:03:30AM +0800, kernel test robot wrote: > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 79991caf5202c7989928be534727805f8f68bb8d ("vdpa_sim_net: Add support for user supported devices") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git Dongli-Zhang/vhost-scsi-alloc-vhost_scsi-with-kvzalloc-to-avoid-delay/20210129-191605 > > > in testcase: trinity > version: trinity-static-x86_64-x86_64-f93256fb_2019-08-28 > with following parameters: > > runtime: 300s > > test-description: Trinity is a linux system call fuzz tester. > test-url: http://codemonkey.org.uk/projects/trinity/ > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > Parav want to take a look? -- MST