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 59B92381E61; Wed, 22 Oct 2025 16:10:53 +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=1761149453; cv=none; b=CFJOARXS4D4aGHdnm+VMYZJ3QxB1yW/VtiEIKr/mYIanx7giEpige1ySyWBsIc5BvPm26OBHPcnnQgGFsVd9iKvhuWewBjfjlDUHBh0sg2OQMKnNhVwzDc9C7bEdYXUqL1iDv2kuNhIFBJD9DzBQJpuXLCE8CQalEAt8wWLbC3Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761149453; c=relaxed/simple; bh=1BIiJuH8iVaCzmqGXRHvJojCs6tQ4qxTFg36CiNtCEM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qKIeIcUF48ki+nQA5sUT4/EJUP1EQy+kQEPYf4y5LkaIzx82p7qvagXEkVt4p1GqZmHpG/Gn0Py05Qr3bSF5ItWxxdnm0ezeTdIrCECVs4cRp8K526iU3CHSw7SubUpO6irjmMymA6eyznkVHwQbWcVZHpczpkMaGhC+NRpkKV8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sWI/SeLO; 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="sWI/SeLO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BDF1C4CEE7; Wed, 22 Oct 2025 16:10:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761149453; bh=1BIiJuH8iVaCzmqGXRHvJojCs6tQ4qxTFg36CiNtCEM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=sWI/SeLO8WHcXknT6WwQ+WwdSYxz519zxSiNun1JKcSSlM4fMBWEsMHgZocFRFNfL /C+h/hKPrSkKOoBK4whrx/CrsUMNJf7BpvhCHFyzHOfe83cTeE7tctLhfMmDouHwq9 ENypwJQHoR5WgsEyb5lTm779zLLOptX+iliqsA8iD8NOXCV1/IHGDlEWoXn2GPNr9y DG/pdJ/Y4XUuU192fYMyWllsOoxfACxlG073CMN9iwnUcy77EW8E2lUQJ8CYx68lPA fWRCQWvfPJCAVCmIvCmSHI01edXgDNXjmh4vs11TqLfPlG4c4bRjrqVPby+tqV00tj ezoRFQwANkgXw== From: Christian Brauner Date: Wed, 22 Oct 2025 18:06:32 +0200 Subject: [PATCH v2 54/63] selftests/namespaces: third inactive namespace resurrection test Precedence: bulk X-Mailing-List: cgroups@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: <20251022-work-namespace-nstree-listns-v2-54-71a588572371@kernel.org> References: <20251022-work-namespace-nstree-listns-v2-0-71a588572371@kernel.org> In-Reply-To: <20251022-work-namespace-nstree-listns-v2-0-71a588572371@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=2308; i=brauner@kernel.org; h=from:subject:message-id; bh=1BIiJuH8iVaCzmqGXRHvJojCs6tQ4qxTFg36CiNtCEM=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT8ZHj+IjNoPcM68/D5l+oS687N5yg6nhkou1r0zqXt7 6MPf/l3vKOUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAi1ksYfrO+/58brtF43LE3 1j/NSvz97UetLLpP5to3SrbEHNh4NpDhfyDDmoLzf+QkecM7ErxSX+14Gpds5rxo+ekL7h7GJos 4mAE= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Test SIOCGSKNS with different socket types (TCP, UDP, RAW). Signed-off-by: Christian Brauner --- .../testing/selftests/namespaces/siocgskns_test.c | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c index 0ad5e39b7e16..3f46ac0c96df 100644 --- a/tools/testing/selftests/namespaces/siocgskns_test.c +++ b/tools/testing/selftests/namespaces/siocgskns_test.c @@ -195,4 +195,66 @@ TEST(siocgskns_keeps_netns_active) ASSERT_LT(ioctl(sock_fd, SIOCGSKNS), 0); } +/* + * Test SIOCGSKNS with different socket types (TCP, UDP, RAW). + */ +TEST(siocgskns_socket_types) +{ + int sock_tcp, sock_udp, sock_raw; + int netns_tcp, netns_udp, netns_raw; + struct stat st_tcp, st_udp, st_raw; + + /* TCP socket */ + sock_tcp = socket(AF_INET, SOCK_STREAM, 0); + ASSERT_GE(sock_tcp, 0); + + /* UDP socket */ + sock_udp = socket(AF_INET, SOCK_DGRAM, 0); + ASSERT_GE(sock_udp, 0); + + /* RAW socket (may require privileges) */ + sock_raw = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); + if (sock_raw < 0 && (errno == EPERM || errno == EACCES)) { + sock_raw = -1; /* Skip raw socket test */ + } + + /* Test SIOCGSKNS on TCP */ + netns_tcp = ioctl(sock_tcp, SIOCGSKNS); + if (netns_tcp < 0) { + close(sock_tcp); + close(sock_udp); + if (sock_raw >= 0) close(sock_raw); + if (errno == ENOTTY || errno == EINVAL) + SKIP(return, "SIOCGSKNS not supported"); + ASSERT_GE(netns_tcp, 0); + } + + /* Test SIOCGSKNS on UDP */ + netns_udp = ioctl(sock_udp, SIOCGSKNS); + ASSERT_GE(netns_udp, 0); + + /* Test SIOCGSKNS on RAW (if available) */ + if (sock_raw >= 0) { + netns_raw = ioctl(sock_raw, SIOCGSKNS); + ASSERT_GE(netns_raw, 0); + } + + /* Verify all return the same network namespace */ + ASSERT_EQ(fstat(netns_tcp, &st_tcp), 0); + ASSERT_EQ(fstat(netns_udp, &st_udp), 0); + ASSERT_EQ(st_tcp.st_ino, st_udp.st_ino); + + if (sock_raw >= 0) { + ASSERT_EQ(fstat(netns_raw, &st_raw), 0); + ASSERT_EQ(st_tcp.st_ino, st_raw.st_ino); + close(netns_raw); + close(sock_raw); + } + + close(netns_tcp); + close(netns_udp); + close(sock_tcp); + close(sock_udp); +} + TEST_HARNESS_MAIN -- 2.47.3