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 357AF34CFB9; Wed, 29 Oct 2025 12:24:26 +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=1761740667; cv=none; b=Meu+wNofhZc4uU9WXvLMtZhCeQg263wp+ddZHIAYg/7q5he6FjntSzMjGPQFKaY/tfrWaU5ki89lMWGj1HHaPtjrEiQRkvVm8Y/1RkRu0gSFEZw6jKkAwDUwLdynPskt46BTPPiXHUyHB9piZHDqxEjm4xG1F6rv8XfPM4Nrhm8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761740667; c=relaxed/simple; bh=QzUkya/eQ/QDDIuBeLk9Y5q5aIl9eBXy2tswIGkyHaQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jKYTst1XGv+C6KgoghrE6bUO6gqKAVmbk/Ld6QhTW+T3KbM+vIHLz7dnCcppfaQgg3j1jGrHVcAwgsqlpV02xj3NzFbKPUDkCwV8oC00YAfRSnVbYWEkUDxLTmZbDKzf/bKwqs7lBHvPUmePAQb1WDOrqL4tOcsGaVxcwqyCzbg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rQ/hHN5s; 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="rQ/hHN5s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 343D6C4CEFF; Wed, 29 Oct 2025 12:24:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761740666; bh=QzUkya/eQ/QDDIuBeLk9Y5q5aIl9eBXy2tswIGkyHaQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=rQ/hHN5seJlN/J7XFSIS1mGMrL6/52yYcUdF2xi2nh4TpOEKwTTTAry4AYiQi51p8 frQ5DZVsp6SxC/PZx8pEIwBcST2PTkl8GxVe4LNGyVwQnzrYwg7pBE1twqsxlI6Re9 46XEa08DAitt+kV6mLOs8JgqU7BLkjDmd7uhWft/IQ/UmdMqUh2Av6bAjANHMzzZsy X4qKVRgyH5JzxTwv9Nt+EB702nSyD1k+G+IuJCOMvoGaczTn8wEFFhto2zNVnLwTXw Z2iYAfZ+I1RBezBEbjsAkO9y8GsP/LD0uweSdaRxA1D+fhSRHwSSKnQj+eJzm1LziG RZSfe0KOu0NOw== From: Christian Brauner Date: Wed, 29 Oct 2025 13:20:58 +0100 Subject: [PATCH v4 45/72] selftests/namespaces: seventh listns() 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-v4-45-2e6f823ebdc0@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=1404; i=brauner@kernel.org; h=from:subject:message-id; bh=QzUkya/eQ/QDDIuBeLk9Y5q5aIl9eBXy2tswIGkyHaQ=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQysfWJTbO5k1X+9Wxq9OfVih+Oz3L6+y2xNz5rV/z30 LpAnel8HaUsDGJcDLJiiiwO7Sbhcst5KjYbZWrAzGFlAhnCwMUpABMxEWf4K7Ryf5z7uqLzaw5X hy+wLZsqxTp/zpQbf7KO7VuQKP82dxvD/zR+/kdbly594VLEw/9vu60P70bewv1TAz+Yf+LvML2 1mw8A X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Test listns() with multiple namespace types filter. Signed-off-by: Christian Brauner --- tools/testing/selftests/namespaces/listns_test.c | 31 ++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/testing/selftests/namespaces/listns_test.c b/tools/testing/selftests/namespaces/listns_test.c index f5b8bc5d111f..d73c2a2898cf 100644 --- a/tools/testing/selftests/namespaces/listns_test.c +++ b/tools/testing/selftests/namespaces/listns_test.c @@ -446,4 +446,35 @@ TEST(listns_specific_userns) waitpid(pid, &status, 0); } +/* + * Test listns() with multiple namespace types filter. + */ +TEST(listns_multiple_types) +{ + struct ns_id_req req = { + .size = sizeof(req), + .spare = 0, + .ns_id = 0, + .ns_type = CLONE_NEWNET | CLONE_NEWUTS, /* Network and UTS */ + .spare2 = 0, + .user_ns_id = 0, + }; + __u64 ns_ids[100]; + ssize_t ret; + + ret = sys_listns(&req, ns_ids, ARRAY_SIZE(ns_ids), 0); + if (ret < 0) { + if (errno == ENOSYS) + SKIP(return, "listns() not supported"); + TH_LOG("listns failed: %s (errno=%d)", strerror(errno), errno); + ASSERT_TRUE(false); + } + ASSERT_GE(ret, 0); + + TH_LOG("Found %zd active network/UTS namespaces", ret); + + for (ssize_t i = 0; i < ret; i++) + TH_LOG(" [%zd] ns_id: %llu", i, (unsigned long long)ns_ids[i]); +} + TEST_HARNESS_MAIN -- 2.47.3