From nobody Tue Apr 7 03:50:46 2026 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 8A276ECAAD3 for ; Wed, 31 Aug 2022 18:26:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232919AbiHaS0X (ORCPT ); Wed, 31 Aug 2022 14:26:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232753AbiHaSZg (ORCPT ); Wed, 31 Aug 2022 14:25:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46299FB2AF for ; Wed, 31 Aug 2022 11:21:52 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 72AA161CDF for ; Wed, 31 Aug 2022 18:21:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8752FC43144; Wed, 31 Aug 2022 18:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661970110; bh=oWTBcWxwRcNwj5pYtUzATgnqSwPazE+3AJlhHkeS8Dk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ClzmHyot5hQJaJf4f3olS2jN43V3At6jLwx8uaE0cAlsdnmJFMcDLLbxsKcCK3c7Y DHsITUky26rzvmKnwsSpYfT3X5aHTqXj7cKyc67nfc3cMU9HtpBpV9YyZVL70uAn9X hXGAl+gIyhs5wlXZXVWnlnU1CHTM95ZcTxAjzMA0twVUlwBWkqCs5ovFlWAyNLexBU SHEZD+XNxiWbLQssXULi8RmB3hGwsAsdaxkLgWskYX4OFl6txcdHEeddASC0958AHL bdKIymWpSR335KQ1LBmQmhgpJd2oby38bafAs5FVOTg8hjcNk0PKIcj8H2wIq0FdAT e3/9mb7fUqaAA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id E5B8B5C0B07; Wed, 31 Aug 2022 11:21:49 -0700 (PDT) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: gwml@vger.gnuweeb.org, kernel-team@fb.com, w@lwt.eu, Willy Tarreau , "Paul E . McKenney" Subject: [PATCH nolibc 11/18] selftests/nolibc: condition some tests on /proc existence Date: Wed, 31 Aug 2022 11:21:41 -0700 Message-Id: <20220831182148.2698489-13-paulmck@kernel.org> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20220831182113.GA2697286@paulmck-ThinkPad-P17-Gen-1> References: <20220831182113.GA2697286@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Willy Tarreau If /proc is not available (program run inside a chroot or without sufficient permissions), it's better to disable the associated tests. Some will be preserved like the ones which check for a failure to create some entries there since they're still supposed to fail. Signed-off-by: Willy Tarreau Signed-off-by: Paul E. McKenney --- tools/testing/selftests/nolibc/nolibc-test.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index a697182c87f57..662dea691749c 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -413,11 +413,15 @@ int test_getdents64(const char *dir) int run_syscall(int min, int max) { struct stat stat_buf; + int proc; int test; int tmp; int ret =3D 0; void *p1, *p2; =20 + /* indicates whether or not /proc is mounted */ + proc =3D stat("/proc", &stat_buf) =3D=3D 0; + for (test =3D min; test >=3D 0 && test <=3D max; test++) { int llen =3D 0; // line length =20 @@ -438,12 +442,12 @@ int run_syscall(int min, int max) CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); break; CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break; CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT= ); break; - CASE_TEST(chmod_net); EXPECT_SYSZR(1, chmod("/proc/self/net", 05= 55)); break; - CASE_TEST(chmod_self); EXPECT_SYSER(1, chmod("/proc/self", 0555),= -1, EPERM); break; - CASE_TEST(chown_self); EXPECT_SYSER(1, chown("/proc/self", 0, 0),= -1, EPERM); break; + CASE_TEST(chmod_net); EXPECT_SYSZR(proc, chmod("/proc/self/net",= 0555)); break; + CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 055= 5), -1, EPERM); break; + CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, = 0), -1, EPERM); break; CASE_TEST(chroot_root); EXPECT_SYSZR(1, chroot("/")); break; CASE_TEST(chroot_blah); EXPECT_SYSER(1, chroot("/proc/self/blah"),= -1, ENOENT); break; - CASE_TEST(chroot_exe); EXPECT_SYSER(1, chroot("/proc/self/exe"), = -1, ENOTDIR); break; + CASE_TEST(chroot_exe); EXPECT_SYSER(proc, chroot("/proc/self/exe"= ), -1, ENOTDIR); break; CASE_TEST(close_m1); EXPECT_SYSER(1, close(-1), -1, EBADF); bre= ak; CASE_TEST(close_dup); EXPECT_SYSZR(1, close(dup(0))); break; CASE_TEST(dup_0); tmp =3D dup(0); EXPECT_SYSNE(1, tmp, -1);= close(tmp); break; @@ -464,7 +468,7 @@ int run_syscall(int min, int max) CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST= ); break; CASE_TEST(link_blah); EXPECT_SYSER(1, link("/proc/self/blah", "/= blah"), -1, ENOENT); break; CASE_TEST(link_dir); EXPECT_SYSER(1, link("/", "/blah"), -1, EP= ERM); break; - CASE_TEST(link_cross); EXPECT_SYSER(1, link("/proc/self/net", "/b= lah"), -1, EXDEV); break; + CASE_TEST(link_cross); EXPECT_SYSER(proc, link("/proc/self/net", = "/blah"), -1, EXDEV); break; CASE_TEST(lseek_m1); EXPECT_SYSER(1, lseek(-1, 0, SEEK_SET), -1= , EBADF); break; CASE_TEST(lseek_0); EXPECT_SYSER(1, lseek(0, 0, SEEK_SET), -1,= ESPIPE); break; CASE_TEST(mkdir_root); EXPECT_SYSER(1, mkdir("/", 0755), -1, EEXI= ST); break; --=20 2.31.1.189.g2e36527f23