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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 03B66C433E0 for ; Mon, 29 Jun 2020 18:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF44E2064B for ; Mon, 29 Jun 2020 18:49:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WA9KGeZ3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729396AbgF2StA (ORCPT ); Mon, 29 Jun 2020 14:49:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727009AbgF2Srn (ORCPT ); Mon, 29 Jun 2020 14:47:43 -0400 Received: from mail-lj1-x235.google.com (mail-lj1-x235.google.com [IPv6:2a00:1450:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D56AC02E2C3 for ; Mon, 29 Jun 2020 06:59:03 -0700 (PDT) Received: by mail-lj1-x235.google.com with SMTP id q7so4901581ljm.1 for ; Mon, 29 Jun 2020 06:59:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=UGyosXZCWooG7Tjszoes4KB/+HgMWni06A9jFLNYaYU=; b=WA9KGeZ39tTZkIoY+OkHArQq53QMP7s+PxXqfVe+Z02/159KgvovFmugdz0BtXEsoY 82Vlha+qNKVvrsAntFgaRckJhmTXyMZjDXOHxKE2VBXSDVKmlDjco2/BGh0ysDoTn+Eo wLSrOWswk9puj6tmKzCzXWo2d3xWeNzLHj5hyxq7tsY7Fys9DT/qYcVsv04RSW7AF/CB bEKl1Ggly2JGo4pznh9aP9C4OZ3W/P0d9N818RfeazX2GtuY6RrGT/xrafqsR5bdWJuR fKXOziDURBjNuEGK5OisDp5eiJff6sCDKSdjG+vHc9K/SnK6pTIIKb9zuxoU9eE5BgcY tfXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=UGyosXZCWooG7Tjszoes4KB/+HgMWni06A9jFLNYaYU=; b=pXaPi/ocBMJ7yvOmN2qJguwvJi1JnKS1sEVteNM12C5JkbZxMW6/57DJzzPsRyUVDs X5baBAVy4kEkfD2h6HAdgQL7wNueRKUiLdy/NJcWEeUIBfBpRoPcCjNCERyKFL6pzxuj hrkk4hp19Ecs5c5QQis5leGJaLdZZG9g+Cg5TcfRBOttSYx0Y+TTK//s0uBHab6SQi11 c2YkfMh9I7pOl5FXwvn5nZJJwrCD+tr4ZwArcBea3yt3LicHgBPQRxYH6iVG5IQqdQmX s2/KVdUJIzAPvPjs+OfmCa2HF6HyhYBWN6JnSGoBL1+WJlKsNbWsVpAfmrN09RKdxzcz dgtA== X-Gm-Message-State: AOAM5333uQzj0bxFYXh/5Fvz/7D1iG5Tl6/9ebv0IjkrlD+ieRxe6QmJ t6TE8E4rnuxCmHsSqDg+XCMWb4lJFGVMBOAMxQ== X-Google-Smtp-Source: ABdhPJzpRYEViQEdoErIqx6gGvcPHrozg6UgphmrJ6HsxKyWoLC9iPa1OMa8YDPoc1Rf83BpJd5GVIsFkw/aguaGYJs= X-Received: by 2002:a2e:b4a3:: with SMTP id q3mr7870793ljm.65.1593439141472; Mon, 29 Jun 2020 06:59:01 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?Q?J=C3=B6rg_Otte?= Date: Mon, 29 Jun 2020 15:58:50 +0200 Message-ID: Subject: segmentation faults with kernels >v5.8-rc2 To: Mel Gorman , Jan Kara , Linus Torvalds , Linux Kernel Mailing List 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 I frequently get segmentation faults in newer kernel >v5.8-rc2 e.g. Chrome_ChildIOT[1298]: segfault at 40d048 ip 000056111a41970d sp 00007fdced6931b0 error 6 in chrome[561115f64000+785b000] Bisection gave me the following first bad commit: e9c15badbb7b20ccdbadf5da14e0a68fbad51015 is the first bad commit commit e9c15badbb7b20ccdbadf5da14e0a68fbad51015 Author: Mel Gorman Date: Mon Jun 15 13:13:58 2020 +0100 fs: Do not check if there is a fsnotify watcher on pseudo inodes ... I double checked by reverting this commit on top of v5.8-rc3 and the segmentation faults are gone. J=C3=B6rg