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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 03CD6C433E3 for ; Sun, 7 Jun 2020 20:21:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF8722067B for ; Sun, 7 Jun 2020 20:21:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="eFlCDugB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727825AbgFGUVU (ORCPT ); Sun, 7 Jun 2020 16:21:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727055AbgFGUVS (ORCPT ); Sun, 7 Jun 2020 16:21:18 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B94C2C08C5C3 for ; Sun, 7 Jun 2020 13:21:17 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id a9so14347628ljn.6 for ; Sun, 07 Jun 2020 13:21:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=vwR94gDmiVuhD4hMsQgo9dWaCe9Q+3Shvhlwse4oSpQ=; b=eFlCDugBRnYJsqfdotXruR2B3AE0R2wPRXEZY96oKNBIo7h0O2MJdNUsTr3hYYK1Hr qVla+zUmGPIVdU7T6EzsKgAeVbzYI2J3qDyE9yHx6UWsYmSNe604mFk75YM+kT9CiZiH JbM5ELiI+/B40PVG+/dOUh83FBdzs+VIPR/pi1rUjuBU8eQ0tDnZsfLXN6W9VrP8fmCC ET8JW4fSydwxN8QaTpnxVjsqligducBLivhavMozEq8t+nrLZj4D/nfpc/8Ee0+gfG2v VQGwv/X8NMfmAtnfCotTcRxrsyxENvhPppPvcPriukuUUi/6SfOSwI5pm6Hz13Q38KZ8 HltA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=vwR94gDmiVuhD4hMsQgo9dWaCe9Q+3Shvhlwse4oSpQ=; b=H3evECCnSbkeAhZk+YgxUIzQHVv4/Am7EAhZi5P+O8os9nk7jRvnWTmevPTWXdFVRk FX1LS8zE13hHDauVQOKxpzMofFvCvCTpR28jTBdfPcUcG80mNseZOPo6KIWtPexJ0QLV t6BXqDFwcNbyggKmkMXSJ7wOjcYLV0peHSKR7npGQCSxJtMHVMGIcNisFu2I+fbvzyt8 N0yjgAYoUfaIEBfdu/6etK7NBxWNGQz3E9AE/815EQWc51EfuuNTroDyQJJ/vo6Kiy+j OIR1fVHRL2BY/iBm4CB9lo6I2UC2C3Pr/ryeYMMrS0Rbz5G3WLsEB5fdpBRg5i2UU6gp b4pQ== X-Gm-Message-State: AOAM5314DvA3xWd6M9L/MMdNnvZUrH1HT3rKvhV02xIYTFrasOjdTbIp v5eqAUgESITJ5GIEzwqyLBuT5DhsnxCoeuoBhvLCTA== X-Google-Smtp-Source: ABdhPJxVvkkdzUxXowl/ZPN6X2ELJgyci660wKby/FBmOcEpkkXMOd9/vsG63pCI4b3Va2VVtaIWNcKaPfPZzoPn89E= X-Received: by 2002:a2e:974e:: with SMTP id f14mr9213285ljj.102.1591561276084; Sun, 07 Jun 2020 13:21:16 -0700 (PDT) MIME-Version: 1.0 References: <20200605135951.018731965@linuxfoundation.org> <20200607112026.GD47740@kroah.com> In-Reply-To: <20200607112026.GD47740@kroah.com> From: Naresh Kamboju Date: Mon, 8 Jun 2020 01:51:04 +0530 Message-ID: Subject: Re: [PATCH 5.7 00/14] 5.7.1-rc1 review To: Greg Kroah-Hartman Cc: open list , Linus Torvalds , Andrew Morton , Guenter Roeck , Shuah Khan , patches@kernelci.org, Ben Hutchings , lkft-triage@lists.linaro.org, linux- stable Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 7 Jun 2020 at 16:50, Greg Kroah-Hartman wrote: > > On Sat, Jun 06, 2020 at 09:19:53PM +0530, Naresh Kamboju wrote: > > On Fri, 5 Jun 2020 at 19:46, Greg Kroah-Hartman > > wrote: > > > > > > This is the start of the stable review cycle for the 5.7.1 release. > > > There are 14 patches in this series, all will be posted as a response > > > to this one. If anyone has any issues with these being applied, plea= se > > > let me know. > > > > > > Responses should be made by Sun, 07 Jun 2020 13:54:56 +0000. > > > Anything received after that time might be too late. > > > > > > The whole patch series can be found in one patch at: > > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/pa= tch-5.7.1-rc1.gz > > > or in the git tree and branch at: > > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-st= able-rc.git linux-5.7.y > > > and the diffstat can be found below. > > > > > > thanks, > > > > > > greg k-h > > > > Results from Linaro=E2=80=99s test farm. > > > > While running kselftest memfd_test case the kernel panic noticed on i38= 6 > > which started with kernel BUG and followed by kernel panic. > > > > steps to reproduce: (Not always reproducible) > > - cd /opt/kselftests/mainline/memfd/ > > - ./run_fuse_test.sh || true > > - ./run_hugetlbfs_test.sh || true > > > > [ 417.473220] run_hugetlbfs_t (10826): drop_caches: 3 > > [ 417.491120] audit: type=3D1701 audit(1591388532.357:87503): > > auid=3D4294967295 uid=3D0 gid=3D0 ses=3D4294967295 subj=3Dkernel pid=3D= 10829 > > comm=3D\"memfd_test\" exe=3D\"/opt/kselftests/mainline/memfd/memfd_test= \" > > sig=3D6 res=3D1 > > [ 417.511294] BUG: kernel NULL pointer dereference, address: 00000043 > > [ 417.517569] #PF: supervisor read access in kernel mode > > [ 417.522699] #PF: error_code(0x0000) - not-present page > > [ 417.527830] *pde =3D 00000000 > > [ 417.530707] Oops: 0000 [#2] SMP > > [ 417.533846] CPU: 3 PID: 10829 Comm: memfd_test Tainted: G D W > > 5.7.1-rc1 #1 > > [ 417.541845] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS > > 2.0b 07/27/2017 > > [ 417.549327] EIP: kmem_cache_alloc_trace+0x81/0x2b0 > > <> > > [ 931.776242] Kernel panic - not syncing: Attempted to kill init! > > exitcode=3D0x00000009 > > [ 931.783933] Kernel Offset: 0x1ce00000 from 0xc1000000 (relocation > > range: 0xc0000000-0xf77fdfff) > > [ 931.792627] ---[ end Kernel panic - not syncing: Attempted to kill > > init! exitcode=3D0x00000009 ]--- > > Did you see this on Linus's tree too? Yes. I have noticed 4 out of 10 kselftest full runs. > > Is it a regression from 5.7.0? It is a regression on Linus 's tree and the same problem was noticed on stable-rc 5.7 branch. - Naresh