From nobody Sat Feb 7 09:29:22 2026 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 CD52F34B18F; Wed, 22 Oct 2025 16:11:19 +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=1761149479; cv=none; b=P5HSNRnphRXmTrPIc+hoFrr/QHiHTuRY1FIThQW/mRDt+ZIkndnduzb3ECwBpO6DH8njAIT4qw3jlhQQTgRjiRpkpvaVuZFUg80QdO0shf24OTziUW5I3Xyjd0jFiJNBXuFncQ8u4D5HXBRm5LUvt12WzRbPpLD71ChgKY52/Zs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761149479; c=relaxed/simple; bh=pqDbtFvmIISrOx6K7KWbVnqojUaOo6VRP9RWZVJYLQI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OKd6y+LZs/t5eAbA1dv+LQf4qRVkN5P+Mac8YWvGqNO7XCjHoCfdbjZpADUvOjBfBdVQfE7zs0w88fSkihtOWu1m6JGAU9pMKcvbTVDOIq93GiLgm6X5ABgSNlo20R9FVJb1Lmi9Nj8OSjb1dET8Kxqe0KDsHbTlwE4TmSYR4LM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rT6uLl14; 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="rT6uLl14" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3C53C4CEF7; Wed, 22 Oct 2025 16:11:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761149479; bh=pqDbtFvmIISrOx6K7KWbVnqojUaOo6VRP9RWZVJYLQI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=rT6uLl14V1T/r2lFY23lNT4HxYTQTpV70Zw+fxSD8XbzRDb1hgoHvt3qR4m+yVC4w MchbmBqsoQsEuwMSMh4WhvLqgF5Gq1TS6EiJDRu+Sbr2ZHbYXwntyLOsjZKOdFyMD2 D7G8/ikVLlHJg2jYZs/THddDx9Nh9gvf+0p6vj01r5ETxfOtoDkSHkqVw2DgKofTHM fWNPQv1uKEtKuqgMlYJCGV0UEebEhFBrOZyBkCALXN2GFns+wjSv22JK5LBb58CTwt MP/DhnSg9mOZXr1KAKnBRi9KxlJMY9EfvgRMrVFyZT+sJZHRRZSDdWhANrASnPOisd ebs+nCMb7Yozg== From: Christian Brauner Date: Wed, 22 Oct 2025 18:06:37 +0200 Subject: [PATCH v2 59/63] selftests/namespaces: eigth inactive namespace resurrection test Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251022-work-namespace-nstree-listns-v2-59-71a588572371@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=1467; i=brauner@kernel.org; h=from:subject:message-id; bh=pqDbtFvmIISrOx6K7KWbVnqojUaOo6VRP9RWZVJYLQI=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT8ZHievFVr2qJre5ZrSSSbFuj4KL/S0Vj+4gzXc5G7C RF/nXYXdJSyMIhxMciKKbI4tJuEyy3nqdhslKkBM4eVCWQIAxenAEwkwZ3hn6roy4XV+QnLLk+w FeZU0n3xfpo8z5xQfR/LrpodeT0p5xn+ykg5XjLO/O9tpcXiYWjRduDIl6OPm5t+3FWaqWx1X3U SOwA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Test IPv6 sockets also work with SIOCGSKNS. Signed-off-by: Christian Brauner --- .../testing/selftests/namespaces/siocgskns_test.c | 34 ++++++++++++++++++= ++++ 1 file changed, 34 insertions(+) diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/te= sting/selftests/namespaces/siocgskns_test.c index 17f2cafb75a7..1c40c7772ad4 100644 --- a/tools/testing/selftests/namespaces/siocgskns_test.c +++ b/tools/testing/selftests/namespaces/siocgskns_test.c @@ -543,4 +543,38 @@ TEST(siocgskns_netns_lifecycle) close(sock_fd); } =20 +/* + * Test IPv6 sockets also work with SIOCGSKNS. + */ +TEST(siocgskns_ipv6) +{ + int sock_fd, netns_fd, current_netns_fd; + struct stat st1, st2; + + /* Create an IPv6 TCP socket */ + sock_fd =3D socket(AF_INET6, SOCK_STREAM, 0); + ASSERT_GE(sock_fd, 0); + + /* Use SIOCGSKNS */ + netns_fd =3D ioctl(sock_fd, SIOCGSKNS); + if (netns_fd < 0) { + close(sock_fd); + if (errno =3D=3D ENOTTY || errno =3D=3D EINVAL) + SKIP(return, "SIOCGSKNS not supported"); + ASSERT_GE(netns_fd, 0); + } + + /* Verify it matches current namespace */ + current_netns_fd =3D open("/proc/self/ns/net", O_RDONLY); + ASSERT_GE(current_netns_fd, 0); + + ASSERT_EQ(fstat(netns_fd, &st1), 0); + ASSERT_EQ(fstat(current_netns_fd, &st2), 0); + ASSERT_EQ(st1.st_ino, st2.st_ino); + + close(sock_fd); + close(netns_fd); + close(current_netns_fd); +} + TEST_HARNESS_MAIN --=20 2.47.3