From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1BD231282A; Fri, 24 Oct 2025 10:58:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761303500; cv=none; b=oI0EQFcK557esJguw+1mRKoFB7Jbifnv0WLOsM3z6oHFdoWw3LeAbTCHNTmy5qqxjmGpwQI8hIXZLVpoHp1emcajGYTuGHoOEsMFixgnFmu06qULKd96xsqAbGMbm9nzPbw9qf0VVOgKb/Nf7Dw69Kk9x6FaQNIOT8hOGDYEk6k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761303500; c=relaxed/simple; bh=KWYYGboDUt3swjKDxkebVx+xZOw67uWV/kh+IrzwFAE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NUR1gCveV4ADEg7DQE01Q9niem8rqj+c1B/MKVxTKRZV+CHwP25fiSQxNsjaGFh3wsr3l8lO+0npePO9q3EufioJPgL5TizUzbVXZiFNLa1CUYYyCoxXxbfvxgCUl3Q8VITD9U26euBskMcxxugv6izrDWpSTvl+MyhI7cxVfpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Gz9HEOvN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Gz9HEOvN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F3B8C4CEF5; Fri, 24 Oct 2025 10:58:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761303499; bh=KWYYGboDUt3swjKDxkebVx+xZOw67uWV/kh+IrzwFAE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Gz9HEOvNP4UjtLrocwrPt8BN+4wwQQT6254IgZSkahkgx0QcMzIYlodjNjs6bwGeS 4Y7r/PuS68T1GBPy7lpJxbRiTOxHcOW0EYKiO0fmFnObCOa8klxU74GSAP8TzbulTT Y3SLgEmd8YUWgyP1xer8xhd8/3LOVKJ1Jq2EVNBkYNvVLZrdAX8fKQFx1cYkXQBJVH DDTmDbHwoibJ2WbS1mpH+ghMXP5N1sSEUsMmRzYuH2tcv1Nd4hIdDx5FHxwllyf9/u 8mGx77clhg7Ezfzzp3eY2RDOKwiUsL4M6JDM2FOdcBtLNt4LZGmm86BDXTMIKqKs+7 TlmMZfIn9Cq1Q== From: Christian Brauner Date: Fri, 24 Oct 2025 12:53:26 +0200 Subject: [PATCH v3 57/70] selftests/namespaces: fifth inactive namespace resurrection test Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251024-work-namespace-nstree-listns-v3-57-b6241981b72b@kernel.org> References: <20251024-work-namespace-nstree-listns-v3-0-b6241981b72b@kernel.org> In-Reply-To: <20251024-work-namespace-nstree-listns-v3-0-b6241981b72b@kernel.org> To: linux-fsdevel@vger.kernel.org, Josef Bacik , Jeff Layton Cc: Jann Horn , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Lennart Poettering , Daan De Meyer , Aleksa Sarai , Amir Goldstein , Tejun Heo , Johannes Weiner , Thomas Gleixner , Alexander Viro , Jan Kara , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, Arnd Bergmann , Christian Brauner X-Mailer: b4 0.15-dev-96507 X-Developer-Signature: v=1; a=openpgp-sha256; l=1167; i=brauner@kernel.org; h=from:subject:message-id; bh=KWYYGboDUt3swjKDxkebVx+xZOw67uWV/kh+IrzwFAE=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT8jmo3X8M4RWJr04KuI0uW7t9zapLQ4bWsfX4lH8MFD y22rmPy7ChlYRDjYpAVU2RxaDcJl1vOU7HZKFMDZg4rE8gQBi5OAZiIyDGGP5wa2U26v6S3Ono8 4rAxfRF/sKKspPD0PStBlUOK+v8sXjH8lTfg2Lfq/v5jPrMu9qjumzPjcNOUxRnFPTN7so6s73y /hBcA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Test SIOCGSKNS fails on non-socket file descriptors. Signed-off-by: Christian Brauner --- .../testing/selftests/namespaces/siocgskns_test.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c index 28e45954c4fa..bbfef3c51ac1 100644 --- a/tools/testing/selftests/namespaces/siocgskns_test.c +++ b/tools/testing/selftests/namespaces/siocgskns_test.c @@ -307,4 +307,30 @@ TEST(siocgskns_across_setns) close(netns_a_fd); } +/* + * Test SIOCGSKNS fails on non-socket file descriptors. + */ +TEST(siocgskns_non_socket) +{ + int fd; + int pipefd[2]; + + /* Test on regular file */ + fd = open("/dev/null", O_RDONLY); + ASSERT_GE(fd, 0); + + ASSERT_LT(ioctl(fd, SIOCGSKNS), 0); + ASSERT_TRUE(errno == ENOTTY || errno == EINVAL); + close(fd); + + /* Test on pipe */ + ASSERT_EQ(pipe(pipefd), 0); + + ASSERT_LT(ioctl(pipefd[0], SIOCGSKNS), 0); + ASSERT_TRUE(errno == ENOTTY || errno == EINVAL); + + close(pipefd[0]); + close(pipefd[1]); +} + TEST_HARNESS_MAIN -- 2.47.3