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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DA7AC6FA83 for ; Tue, 27 Sep 2022 18:10:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232391AbiI0SK6 (ORCPT ); Tue, 27 Sep 2022 14:10:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232783AbiI0SK5 (ORCPT ); Tue, 27 Sep 2022 14:10:57 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96FC35BC1A for ; Tue, 27 Sep 2022 11:10:56 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id cv6so328302pjb.5 for ; Tue, 27 Sep 2022 11:10:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=NpZ+9a6xMXbzILlPatVIhnE0rwKLVJkggnNAyG21fTU=; b=gBlm72qns+3J4O3qxr5dTeiniRsysaK+pIXz6KW/JBCrntrW7OFJzUsXJ+ltDjuvZ3 TsZClT5xoPDiS8Q+J7wia8KQyfXmAM7IyAPvh+dmKcj1s0sJI5+Nb4ZdAyh8TNGVAjTY /R25BbdY9WzyVCMoImojcjOUtKdKBtHeSb29YJWyzl6dKYYUx0FiScMUweXTKaQRUV9i lU3i6aAjG6Wsp4ZcKA4OkSYZ4rNRaKhZxRChrZRDS11TiYxNLnwSmL6PnsXU51eaqfEX 83K8w6tYV1JCkQHQe7uEXquIsahhGkFOSM1ZcvP8cCwmhUzR75+0gicvmrCJ+X/ADLeu vtng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=NpZ+9a6xMXbzILlPatVIhnE0rwKLVJkggnNAyG21fTU=; b=IW2K7qHugQm7RkrmNQW5ZjNQ/5NnXXhpw36gYtAB5IpsuAwBLW1gu6mRARCvolGBUl 5Ty78lgG5WhkUHyIiJbyPVbNAw5kQ9NJOBx/KSXyTPtga3hZyoJBz3kaG0hrPJINe0sv 1dvRvnw1sT95/Jrl4lezu1COq2dZUtH9+Ep0OG4Q/8Er1qj7Aa3drg2+I+nGkR8Fj625 IuYOuwWBlrGE7lw/pXUKk5uPtr2Q17B95FuF6NTEKXfmHggnBLc9YLSWfluNGpEyhLla 4aGILm2NwjCEoi74lZF7gofM3wiFg9ilQJJACHLNIPnP233t5ulckIXx6fzVkje6U8Kc 0DJQ== X-Gm-Message-State: ACrzQf1snWutqaIl8EwSZzPrXjhJ+FOqTUK9n0Dgj4rrsf0UQsHsRS1m Wa2082UcGleIf/uydU4RJa3sBv66esGw6A== X-Google-Smtp-Source: AMsMyM5WHT7sBWk0/eaQvv4GJ0tGK09omz22LPAekw6h6fy/+p+nt+sZ6TvtmES04ujzsMJYIzG2Ug== X-Received: by 2002:a17:902:8c8a:b0:179:eb8d:f41d with SMTP id t10-20020a1709028c8a00b00179eb8df41dmr4233261plo.62.1664302256006; Tue, 27 Sep 2022 11:10:56 -0700 (PDT) Received: from localhost ([2406:7400:63:621e:5c1c:d320:a94b:9339]) by smtp.gmail.com with ESMTPSA id q14-20020a170902dace00b001728ac8af94sm1851721plx.248.2022.09.27.11.10.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Sep 2022 11:10:55 -0700 (PDT) Date: Tue, 27 Sep 2022 23:40:49 +0530 From: "Ritesh Harjani (IBM)" To: Theodore Ts'o Cc: bugzilla-daemon@kernel.org, linux-ext4@vger.kernel.org Subject: Re: [Bug 216529] New: [fstests generic/048] BUG: Kernel NULL pointer dereference at 0x00000069, filemap_release_folio+0x88/0xb0 Message-ID: <20220927181049.jpk3b52ssmq326b5@riteshh-domain> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On 22/09/26 01:02AM, Theodore Ts'o wrote: > On Sun, Sep 25, 2022 at 11:55:29AM +0000, bugzilla-daemon@kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=216529 > > > > > > Hit a panic on ppc64le, by running generic/048 with 1k block size: > > Hmm, does this reproduce reliably for you? I test with a 1k block > size on x86_64 as a proxy 4k block sizes on PPC64, where the blocksize > < pagesize... and this isn't reproducing for me on x86, and I don't > have access to a PPC64LE system. > > Ritesh, is this something you can take a look at it? Thanks! I was away for some personal work for last few days, but I am back to work from today. Sure, I will take a look at this and will get back. I did give this test a couple of runs though, but wasn't able to reproduce it. But let me try few more things along with more iterations. Will update accordingly. -ritesh