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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 194-20020a6300cb000000b0043c5fa3090asi9123565pga.746.2022.09.25.22.04.10; Sun, 25 Sep 2022 22:04:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-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; dkim=fail header.i=@mit.edu header.s=outgoing header.b=FoCu1xab; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mit.edu Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230173AbiIZFCN (ORCPT + 99 others); Mon, 26 Sep 2022 01:02:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229881AbiIZFCL (ORCPT ); Mon, 26 Sep 2022 01:02:11 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A1F227DE4 for ; Sun, 25 Sep 2022 22:02:09 -0700 (PDT) Received: from cwcc.thunk.org (pool-173-48-120-46.bstnma.fios.verizon.net [173.48.120.46]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 28Q520tf019996 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 26 Sep 2022 01:02:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1664168522; bh=jyHSc4WI+9ZiyCOCVatXv9Qxu1PZMMTli7eazX0w7bw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=FoCu1xab7z07XxyKx1iact58b2HnNeDkPzlsMG+q2GLAGVsG2XxGz+1XMNKHm+IpL LrZeibWEu7W5vstSotG+odNwvH4UFcVc1sOhVQk4/ZusuFFxS3q2P6F4OQ3cqv/eF2 +QdxcAv2kn04jCZPWal1ytGINNcJ5HehMuDMpDN137BL7ApKNp/Z8BktaV31YtVgWW uE3dfGEuK6OW/21Hx+WBNADOCsKiMzCP1iA5qfekHgkHAYV3D9XSZ1PrDcur1FNvpX WRMCpjw+e5nkaKV+of2u05KnlD7EaXjvr6OF93V+9PL3YJheGn4y9cjAahFILTdyFg AC5YHAjWTt3lg== Received: by cwcc.thunk.org (Postfix, from userid 15806) id BC37415C5274; Mon, 26 Sep 2022 01:02:00 -0400 (EDT) Date: Mon, 26 Sep 2022 01:02:00 -0400 From: "Theodore Ts'o" To: bugzilla-daemon@kernel.org Cc: linux-ext4@vger.kernel.org, "Ritesh Harjani (IBM)" Subject: Re: [Bug 216529] New: [fstests generic/048] BUG: Kernel NULL pointer dereference at 0x00000069, filemap_release_folio+0x88/0xb0 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE 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-ext4@vger.kernel.org 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! - Ted