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 011AF3644B5; Wed, 29 Oct 2025 12:25:52 +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=1761740753; cv=none; b=shf2hrchkZewQ0l8mafWw0EmgXjMM8WX41fPxL/9C6geBOpYU4RzjD/SwcY5DPIT/tf64R+6s271/XZEvVuHNhzF+HQccecdt1g8EyypNQ757d8WdzGrs/vCd22hMFwTKtSGRdXMFe10QXq82Uemymjp6pcl7SWxn3LMCRDQK74= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761740753; c=relaxed/simple; bh=VBORRP+h0KErK54FHs98ti+2CEgWK2XfNgSQLs2e/YU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=p6eA9T4nRamIyLmv5INmG7NFyDGdvVhYqfj2y7MBsyRNGeJj1i9T61JtJ+Tir9hkmYJplDppi26ZBFmHpWgMIg+WDmcPhESK9wmU658Ym8H9xxNAx6t0nqo4RVrTLU1zLzOlHc+7HHymyehtaEnjFmt6OjrM5Y/7UQccst591gI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MQsU51mc; 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="MQsU51mc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20458C4CEF7; Wed, 29 Oct 2025 12:25:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761740752; bh=VBORRP+h0KErK54FHs98ti+2CEgWK2XfNgSQLs2e/YU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MQsU51mco5xw2bbprqKOhjMfNwKaSRjphx62ODPWOhRpSR3pGu93IShpeUyqqmvPm D8OW8WeDvX9ffQ1zBXbniy/YGhbnBE5HNjoPyfunGYuN/7gjspb6ZymgGHDPJzjZgv R8FbTj9BgYZ4yShACYBpovOvNQFWWANO/G8ylR3/+UwEgdvLyrev30ubwSEQYA2YJR X/Aw+Cm3fu8so0pRjtEdJUWzKXzG85hxte0qYdB8APHoJIDUSdhKAW0C1Uoq07WUkl Kj1qTGguMhM83MmcWxdqDod3eEB1ZHZXsxUTNCE7T0hUml1I0vk0iUZ1mNwWGBklM2 cWdEaf4uM0Rsw== From: Christian Brauner Date: Wed, 29 Oct 2025 13:21:15 +0100 Subject: [PATCH v4 62/72] selftests/namespaces: eigth 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: <20251029-work-namespace-nstree-listns-v4-62-2e6f823ebdc0@kernel.org> References: <20251029-work-namespace-nstree-listns-v4-0-2e6f823ebdc0@kernel.org> In-Reply-To: <20251029-work-namespace-nstree-listns-v4-0-2e6f823ebdc0@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=VBORRP+h0KErK54FHs98ti+2CEgWK2XfNgSQLs2e/YU=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQysfXvujBz9603cz7/9mKXunvHdC7vS+erRrdUlud94 zmyrMqlpqOUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAiJ48w/LNViJTL/mbaXa16 jut6yoGq35l6x9SPTF/1590aa6Mt0q0Mf3gyM84bLr3Fs2FqXZLhWf+IkHd8V/7UJghY+ecEneW yZwEA 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/testing/selftests/namespaces/siocgskns_test.c index 60028eeecde0..47c1524a8648 100644 --- a/tools/testing/selftests/namespaces/siocgskns_test.c +++ b/tools/testing/selftests/namespaces/siocgskns_test.c @@ -542,4 +542,38 @@ TEST(siocgskns_netns_lifecycle) close(sock_fd); } +/* + * 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 = socket(AF_INET6, SOCK_STREAM, 0); + ASSERT_GE(sock_fd, 0); + + /* Use SIOCGSKNS */ + netns_fd = ioctl(sock_fd, SIOCGSKNS); + if (netns_fd < 0) { + close(sock_fd); + if (errno == ENOTTY || errno == EINVAL) + SKIP(return, "SIOCGSKNS not supported"); + ASSERT_GE(netns_fd, 0); + } + + /* Verify it matches current namespace */ + current_netns_fd = 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 -- 2.47.3