From patchwork Fri Feb 28 07:58:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akihiko Odaki X-Patchwork-Id: 13995822 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBD9F1DED7D for ; Fri, 28 Feb 2025 07:59:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740729570; cv=none; b=WKujBFLQl+uDjGz9hgaPYv8tNkk+9s5WVmHL2BK2w/vAcOAw2WUKvwOSTr3gr8gnv2q7U3Fnk7O47t8eOEVis3vh6mhn4jWkcGPObxSWYox1ojypDsUAbXLlmCbeAdnY+76ue8FbJlX0Vgbq3E4Z6F+Lz6al+ee03buxQFLQGZc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740729570; c=relaxed/simple; bh=nEE2/C77oF+j3LxMBPOVoqrwqXRBAnjdJN3gCt7XvfU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=WfLEGgzaoYr4OsbZiSTZA+cJzQtPQ8LHDzLnQHhTe4gNbheJRur73sjy5hPxjx4GEu7dxuIXxbyZtk1hu/qaqRhVqQUUeCZNR3x0NAVfjCHVmZykLLQRGCN/cejwxE5CZVQ+FBliILBSrSEOQv0D2mg1D+MjXKQT8Ax7eSqe7HI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=daynix.com; spf=pass smtp.mailfrom=daynix.com; dkim=pass (2048-bit key) header.d=daynix-com.20230601.gappssmtp.com header.i=@daynix-com.20230601.gappssmtp.com header.b=rCVknn+e; arc=none smtp.client-ip=209.85.216.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=daynix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=daynix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=daynix-com.20230601.gappssmtp.com header.i=@daynix-com.20230601.gappssmtp.com header.b="rCVknn+e" Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-2feb1d7a68fso2427078a91.1 for ; Thu, 27 Feb 2025 23:59:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20230601.gappssmtp.com; s=20230601; t=1740729568; x=1741334368; darn=vger.kernel.org; h=to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=N/24Tf2dJCQDhe+eHaFoVGEomrBLp8dkxojt6Qs+7G8=; b=rCVknn+e+OkQz9SUULOPDMPYr5DJnJsUbozQMjF0rkG5rVIGlwFbq8tUnyAf+Iw1fg 2taTxmIDbxWAkvv+2d9GSWMoi85DrNyK6sRQIMCJOY4LPcUac23QR2M7Zg+1ICxMzOQa eAZ5YsXwOUU6whCx+MfXO2Yfp+pVHJO/lbrN/y/aS5sD8zwQZLLalpM+3hV47HkSeapa axjx0VFMmNS/9A01+gY1vrBE80hF4uIhQ23nEWcoMYODYZy4EsqArgKWcuO9v+YB0PUM iVlXAMTzmfbbnyuz80Pqo/y/31RLQiIRfO6b/tTHPxn31grYWHvlH6vwopZj2GAboSlX ZEeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740729568; x=1741334368; h=to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=N/24Tf2dJCQDhe+eHaFoVGEomrBLp8dkxojt6Qs+7G8=; b=uOeDGDcm8HI9kpyGQ9zbME48GRYkBVdJ0CWM224SylWzUwr6vicSKWSyCxdPcHkQkn dEGoV1//V320y2SxEg4lRhVqXRKonizhH3JAXNw0sLlPRPqZ4MnzSOyaT4leefHn/VCE Liu7cjbH/fcGB1/AMat0EnOGY37ZLjU9mbO7NPuE/64QGWgfkp6gSW9uHX6sBVW2Eplt +xvdIBygOxyWcGcyZapduLr0vQLAXBOev7S0hRSKGAPcbj6RAfY1QJp90eU7TsgakuLY kIgJlxWpI18D005u/noxg9Z8t4Kx4k67Cbi+kLlFlBl3r1i/dMk2t9XAIwV//nE3mJHH MJtw== X-Forwarded-Encrypted: i=1; AJvYcCVecxKdby4YjcisnomNu0RFH9qtLW6K6J5c8fYV5fsUkxQcKY3iUswJgrho7wYOf0CGibpDNjEBrPljcxsAgvY=@vger.kernel.org X-Gm-Message-State: AOJu0Yz4QN/uW+SULdQBELbTMSsqF3Fer1ZzOjiX4EUMf+7GpzjESK7j aKhhSjvlavo9fOF82FBot/mwg0eTk2JQ5H0AK0ua2jve0wtXGHClEiQ6wCUhJNM= X-Gm-Gg: ASbGnct5Ft4fqLDPtT9ZksuTXpFZb1YDXaygk8ZniaTeFRaF+LNtpjl/MfBMstvFgtM F5r027aEX0cf7CYvZjNShK7/vr3ByQh4m9EI6BDst1MhCYEzy72aOS/7+bEmU3okKmnv9CYvven nhUwhpYj3UbJGzjB3mCdpvndA4mSWCD2aRskTG1zdKPUsrREfX8HQQrtxUSgGN2inrLQ2EJDXcH n7tCsW7IzF4Jx808ZV+DmpiKvYV7lIo+MDKPoXBOFT61bkUX0vh91KDd1HdpJaLPoDa4UkCo1uT GDkARC2gtLi4qNTE67Ivx4xE3T0D1Q== X-Google-Smtp-Source: AGHT+IGakArRWPozSXDLt1J/ZIr5ZW8i64CgVAq8BmJe2fBTFkpotPO0s0B4850yKyMXjttbX+FZIQ== X-Received: by 2002:a17:90b:3845:b0:2ee:c9b6:c267 with SMTP id 98e67ed59e1d1-2febab403a5mr4261783a91.9.1740729568382; Thu, 27 Feb 2025 23:59:28 -0800 (PST) Received: from localhost ([157.82.207.107]) by smtp.gmail.com with UTF8SMTPSA id 98e67ed59e1d1-2fe825a9681sm5223275a91.9.2025.02.27.23.59.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Feb 2025 23:59:28 -0800 (PST) From: Akihiko Odaki Date: Fri, 28 Feb 2025 16:58:50 +0900 Subject: [PATCH net-next v7 4/6] selftest: tun: Test vnet ioctls without device Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250228-rss-v7-4-844205cbbdd6@daynix.com> References: <20250228-rss-v7-0-844205cbbdd6@daynix.com> In-Reply-To: <20250228-rss-v7-0-844205cbbdd6@daynix.com> To: Jonathan Corbet , Willem de Bruijn , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Xuan Zhuo , Shuah Khan , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kselftest@vger.kernel.org, Yuri Benditovich , Andrew Melnychenko , Stephen Hemminger , gur.stavi@huawei.com, Lei Yang , Akihiko Odaki X-Mailer: b4 0.14.2 Ensure that vnet ioctls result in EBADFD when the underlying device is deleted. Signed-off-by: Akihiko Odaki --- tools/testing/selftests/net/tun.c | 74 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/tools/testing/selftests/net/tun.c b/tools/testing/selftests/net/tun.c index fa83918b62d1be1c93adcd6c2f07654893cf97f8..463dd98f2b80b1bdcb398cee43c834e7dc5cf784 100644 --- a/tools/testing/selftests/net/tun.c +++ b/tools/testing/selftests/net/tun.c @@ -159,4 +159,78 @@ TEST_F(tun, reattach_close_delete) { EXPECT_EQ(tun_delete(self->ifname), 0); } +FIXTURE(tun_deleted) +{ + char ifname[IFNAMSIZ]; + int fd; +}; + +FIXTURE_SETUP(tun_deleted) +{ + self->ifname[0] = 0; + self->fd = tun_alloc(self->ifname); + ASSERT_LE(0, self->fd); + + ASSERT_EQ(0, tun_delete(self->ifname)) + EXPECT_EQ(0, close(self->fd)); +} + +FIXTURE_TEARDOWN(tun_deleted) +{ + EXPECT_EQ(0, close(self->fd)); +} + +TEST_F(tun_deleted, getvnethdrsz) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNGETVNETHDRSZ)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, setvnethdrsz) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNSETVNETHDRSZ)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, getvnetle) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNGETVNETLE)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, setvnetle) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNSETVNETLE)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, getvnetbe) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNGETVNETBE)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, setvnetbe) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNSETVNETBE)); + EXPECT_EQ(EBADFD, errno); +} + +TEST_F(tun_deleted, getvnethashcap) +{ + struct tun_vnet_hash cap; + int i = ioctl(self->fd, TUNGETVNETHASHCAP, &cap); + + if (i == -1 && errno == EBADFD) + SKIP(return, "TUNGETVNETHASHCAP not supported"); + + EXPECT_EQ(0, i); +} + +TEST_F(tun_deleted, setvnethash) +{ + ASSERT_EQ(-1, ioctl(self->fd, TUNSETVNETHASH)); + EXPECT_EQ(EBADFD, errno); +} + TEST_HARNESS_MAIN