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 5388FC54EE9 for ; Fri, 9 Sep 2022 02:20:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229480AbiIICU5 (ORCPT ); Thu, 8 Sep 2022 22:20:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229607AbiIICUx (ORCPT ); Thu, 8 Sep 2022 22:20:53 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E4989752E; Thu, 8 Sep 2022 19:20:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662690053; x=1694226053; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=OdMYeu3KhOhU/zz3RvTa7hJVA+wlquSZxYlXBYDUS10=; b=kjeKbpI54HuU/jj1atJpmKDp8iGZd2zlFRcsW9JfvLzGhHZetuRWPq1L ZglXSsF7kG5hYc7jLFj0lZtUSR/hsmrx6BDgyAsi/B/ct3Jw0PgZSdjg0 Bb8OxQEYdBI5hFEjpwjxMIFDulYhM3+Bd3u2KDZINd1X6EIrN2OtKQ0H0 TCB+W3fTc+OUj3+Ml042RA/WViiuTCYkj25+pFRpj8bBq6M5d45c3BtJM w14tACbaZiEAFPENdimBx/Bt1IPliz3gzVpFZT8gfkxJw1sbZv2EsV7Ib JWVfmh3vrDWy2uoe6KV3GSQCuKGP0FiC3B0cqcEyEwPCmokpkVwd6a2e7 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10464"; a="323579285" X-IronPort-AV: E=Sophos;i="5.93,300,1654585200"; d="scan'208";a="323579285" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2022 19:20:52 -0700 X-IronPort-AV: E=Sophos;i="5.93,300,1654585200"; d="scan'208";a="676968127" Received: from zhichao2-mobl1.ccr.corp.intel.com (HELO jiezho4x-mobl1.ccr.corp.intel.com) ([10.255.31.140]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2022 19:20:50 -0700 From: Jie2x Zhou To: jie2x.zhou@intel.com, shuah@kernel.org, adobriyan@gmail.com, guozhengkui@vivo.com Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, Philip Li Subject: make run_tests -C proc: proc-pid-vm assertion failed. Date: Fri, 9 Sep 2022 10:19:16 +0800 Message-Id: <20220909021916.43293-1-jie2x.zhou@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org hi, The test error is caused by g_vsyscall set failed. Error output: selftests: proc: proc-pid-vm proc-pid-vm: proc-pid-vm.c:389: main: Assertion `rv == len' failed. Aborted g_vsyscall is set to 0. In proc-pid-vm.c: /* * 0: vsyscall VMA doesn't exist vsyscall=none * 1: vsyscall VMA is r-xp vsyscall=emulate * 2: vsyscall VMA is --xp vsyscall=xonly */ static int g_vsyscall; static const char *str_vsyscall; static const char str_vsyscall_0[] = ""; static const char str_vsyscall_1[] = "ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]\n"; static const char str_vsyscall_2[] = "ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall]\n"; The /proc/%u/maps output is: buf=100000000-100001000 r-xp 00000000 00:2d 2 /tmp/#2 (deleted) ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall] So the g_vsyscall should be 2 according to commentary(2: vsyscall VMA is --xp). Is it a bug? best regards,