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 91E95C43334 for ; Wed, 8 Jun 2022 05:17:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230225AbiFHFQ4 (ORCPT ); Wed, 8 Jun 2022 01:16:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233139AbiFHFQf (ORCPT ); Wed, 8 Jun 2022 01:16:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4D953C3040 for ; Tue, 7 Jun 2022 19:20:24 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 6EA73B823D1 for ; Wed, 8 Jun 2022 02:19:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 24C89C341CB for ; Wed, 8 Jun 2022 02:19:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654654777; bh=8k/cCbLv/bjFnVGdbaVsd6SO3BhhLLjOxnVpg8HcW00=; h=From:To:Subject:Date:In-Reply-To:References:From; b=H6aBxWIrdE7Jco04XQe4Ps8NcAEae8iQ+bEpIACuW8HGJmCSWuAcS1iQIZRciJ3qv DKQF4DqDuNd4xgI3j6S7N653EJD3ixD1U75xEDUnPMwdCNVFVNR0XPwDiydrTfT5na VY7tbiAIunlf+WkvQTmdpuYIbSOtLNsMpAOiPYyjfmi56HV1/SKTUL2PM3AxfZwTcs wfPrz5aXQEZ3ek2xEWju1qRlTOHqdDgzlP3n7zjtEzhSq6A0R0M/n+L7MCk8bKHtW6 HSRogpKu/qM6TfM/EpQbv8d+C9fBx25dDyCP3QhjekAmfHadndgOvd1wWCNFqFFt5p xXOzZnZ4ZeFgA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 08792C05FD2; Wed, 8 Jun 2022 02:19:37 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-xfs@vger.kernel.org Subject: [Bug 216073] [s390x] kernel BUG at mm/usercopy.c:101! usercopy: Kernel memory exposure attempt detected from vmalloc 'n o area' (offset 0, size 1)! Date: Wed, 08 Jun 2022 02:19:36 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: CC filesystem_xfs@kernel-bugs.kernel.org X-Bugzilla-Product: Memory Management X-Bugzilla-Component: Other X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: zlang@redhat.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: akpm@linux-foundation.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D216073 --- Comment #5 from Zorro Lang (zlang@redhat.com) --- On Tue, Jun 07, 2022 at 05:05:01PM +0200, Alexander Gordeev wrote: > On Mon, Jun 06, 2022 at 03:13:12PM -0700, Andrew Morton wrote: > > (switched to email. Please respond via emailed reply-to-all, not via t= he > > bugzilla web interface). >=20 > Hi Zorro, >=20 > Unfortunately, I am not able to reproduce the issue. Could you please > clarify your test environment details and share your xfstests config? One of the test environment details as [1]. The xfstests config as [2]. It's easier to reproduce on 64k directory size xfs by running xfstests auto group. Thanks, Zorro [1] CPU Vendor IBM/S390 Model Name 8561 Family 0 Model 3126312 Stepping 0 Speed 0.0 Processors 2 Cores 0 Sockets 0 Hyper True Flags edat dfp vxp vx vxe ldisp sie vxe2 highgprs etf3eh te vxd gs sort z= arch msa stfle dflt eimm esan3 Arch(s) s390x Memory 4096 MB NUMA Nodes 1 Disks Model Size Logical sector size Physical sector size 3390/0c 41.03 GB / 38.21 GiB 4096 bytes 4096 bytes [2] # cat local.config FSTYP=3Dxfs TEST_DEV=3D/dev/loop0 TEST_DIR=3D/mnt/fstests/TEST_DIR SCRATCH_DEV=3D/dev/loop1 SCRATCH_MNT=3D/mnt/fstests/SCRATCH_DIR LOGWRITES_DEV=3D/dev/loop2 MKFS_OPTIONS=3D"-n size=3D65536 -m crc=3D1,finobt=3D1,reflink=3D1,rmapbt=3D0,bigtime=3D1,inobtcount=3D1" TEST_FS_MOUNT_OPTS=3D"" >=20 > Thanks! > --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching someone on the CC list of the bug.=