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 2A777CCA47A for ; Wed, 8 Jun 2022 19:13:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230299AbiFHTNl (ORCPT ); Wed, 8 Jun 2022 15:13:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235084AbiFHTN2 (ORCPT ); Wed, 8 Jun 2022 15:13:28 -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 58BD422B1B for ; Wed, 8 Jun 2022 12:13:27 -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 19DDCB829FE for ; Wed, 8 Jun 2022 19:13:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id CCE0DC341CB for ; Wed, 8 Jun 2022 19:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654715604; bh=n6CwT2r642IZfWuvetTuAqHG0kSbZWP/ooYg80myNBY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RT0388m6VXIyWxFPXlh0ko4Uvy8RWs/BE/HeNTVyqAKFJ2MQMC/a71vcqOYzS2UDt BzoM2la/7Vm8lsT7t9kesgPJiZJX+Hb5ZGgTqAmv0X0gN3JSQ837VJPkCUaZqhbEpU grEzhtz14BbxNgQQGBUiPWRQrhZEaz2kw/4CBwlj5D6pIKx2sRUEwyXrp5dCGlLIAv qcv9Hnd8kvJjFyLRRp2gjC3PeVl9S12ojFksPZXSiG1VZbcsYxBi2GPJ4SMddDur0F aq6sc4iPErbLV7kreMe+nZReWD77ArVO9CE5dq1/uqg7DpNuUebhTsMPaBiYPRlKIK 3F5Kdx0P6tUQQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id AF660CAC6E2; Wed, 8 Jun 2022 19:13:24 +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 19:13:23 +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: agordeev@linux.ibm.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 #6 from agordeev@linux.ibm.com --- On Wed, Jun 08, 2022 at 10:19:22AM +0800, Zorro Lang wrote: > 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 for the details, Zorro! Do you create test and scratch device with xfs_io, as README suggests? If yes, what are sizes of the files? Also, do you run always xfs/auto or xfs/294 hits for you reliably? 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.=