From patchwork Fri May 30 04:50:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akihiko Odaki X-Patchwork-Id: 893957 Received: from mail-pg1-f181.google.com (mail-pg1-f181.google.com [209.85.215.181]) (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 12D2821D5AA for ; Fri, 30 May 2025 04:50:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748580659; cv=none; b=AXgTWu21DLdMyZbZFaj2XV1/b4qGpRysGqqEi8gvHiFOfHNacCMbq69RSVMHYGrdXe7jj7/Vq32XZjnawqlSqytaHmm8X5qFbVN311JUMa75Xs2WswjFGs86QuFCE9mFXrpshRj4Sbc1pK6PTWiSq+aMPFCFjpVNasyX1qNSp+s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748580659; c=relaxed/simple; bh=Y+hugblmAxgmRkyn2fxyuMLaQgzvEXZBlnk8Jh/v8UM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=VHKl6SmdLiE0BPTtFvnXVmkt1NZUdYVWaKxYM7NbI4czWyWSjYGcNRX6O1Y219ODzeZNevnRyT/7A++WhDnhZ8Q7k/6Z2FrYhggpoOkZ4N6k9Ez9I7PyiuzojQoyxQsIq/5VXLLSXg3eOMTGBlSRS198lb733KnhROFh1ngh+x8= 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=HBii2iHP; arc=none smtp.client-ip=209.85.215.181 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="HBii2iHP" Received: by mail-pg1-f181.google.com with SMTP id 41be03b00d2f7-7fd581c2bf4so1163940a12.3 for ; Thu, 29 May 2025 21:50:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20230601.gappssmtp.com; s=20230601; t=1748580656; x=1749185456; 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=S/6gL7uu88i7p+1Fmf1z5Sh293hU0sJzRplicMeiOvs=; b=HBii2iHPzoj9jJ/IffKhV0roKmT29z+48zVvaXIBgN+JH0g/9B8VdOlUXh0CcHBWgV fNbChmEtmX0xPgGFoDX+th4mj21BdMXBc7o11Uyi+Rk30i54khWidHIk5Sg4/C4Kr1xG fuCIXBdMx0LmdeSRs1HLQjY67prBjyMOpReJ9PsPO/+UJjyRRowIzbLzb0cYtHLLgf4E H2J7MC3Cz4cjzR7Squ3QiLiMjw20Z03sTa7aCO8b5T/3IHoj9YHpE/2ZAd/XtLFi9FOX WSQ7ZdKIi7HZN5YALumYb6Kwh8+UIcrxmFazHhR4XP0R41rKbWWgjQshZl2KZ+iK3+zw Kacw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748580656; x=1749185456; 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=S/6gL7uu88i7p+1Fmf1z5Sh293hU0sJzRplicMeiOvs=; b=xOOsXgkhMMhg2JkkURqx5kX3kVuTxFFoeahRFk4BQKdJtQVrRNSShDYFCjy0PS4JFC XUvl1aT9PnrDdgr86WUOJY+W2Nb++CbHcHONRYhB9VOw9fC5nE8PtK2kBB1rExCkpRRF +tGGvX1d2T5A6toenzMcVHvzRTGGjac6CIoFxmqxM/2k/btsIK3fi3x/b9Wr2NDufppq /eHVLOpOFfWLpkI0+HK5v6+aCsNs/oeiMH5CaAqgnyTp6RjgyfcllxUdi3Qcv3TM6KhG R/UY/LSAojnTXxW1cHz4obY05pZLYJ6aeLxPa6PUygJaif+GMg5v0F/ENdAaM1rOsdHA jZfw== X-Forwarded-Encrypted: i=1; AJvYcCUqvFeam3WfYRhifymKxzehcn2AWzQKehZTXjAx/VzXGOKFJpgnQqTYEWIMbpDd/gT/Br7yZkByiTNrNKvBQVY=@vger.kernel.org X-Gm-Message-State: AOJu0YyjWg5Tz3WAhAlwE1e/ENeTK6nlmaTk76nAM2ZNUFi2SGKmO7PV rSIxUUwqPUFvkLNZGQKS9Xe2e+Ue825ms3QFmJhFsDPdzQPSmLo2PpkWh8LS8gr7OK8= X-Gm-Gg: ASbGnctnONfBwOzceePcVPi2t+Ty1ElXQVTqUorVQ24PT3QG2fn6IefMWQqoYkbC1uO uweCDuNvD/2SLj47oGW6A9l0X16cwlQMOsJMt4I2jdSGvBwEUo8+eoZGvEExbtYppp7RL3me+Qs QSVjZ9TF0Kz+g2mnf6Bsd3XcNnnHiZ4NKoMbrPj7rP7xBdEf8qgPvZzn3g1bZjg9m4Ukzjr+Bc/ NmMQcYUBdqLc3VkAlIxQwbDutpzYjh7aHcjSix55Ck+hjP9Jx8Qh+xRv3dC0iqkZSp8eUuCcigT WVyVPl7N7qU5CaOX6/NcePGHUAk8ONy6+tZux4kOe6mJcmuBGcIM X-Google-Smtp-Source: AGHT+IEvyG17b9tHV2YruoiWIXuiS1hBS4XsYuWorEH+zYiLpcrIZIgqXit2l5cDU5DJsN67WvzC9g== X-Received: by 2002:a17:90b:17c8:b0:311:c939:c848 with SMTP id 98e67ed59e1d1-3123efae69fmr3575677a91.0.1748580656408; Thu, 29 May 2025 21:50:56 -0700 (PDT) Received: from localhost ([157.82.128.1]) by smtp.gmail.com with UTF8SMTPSA id 98e67ed59e1d1-3124e2b67ffsm426290a91.5.2025.05.29.21.50.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 May 2025 21:50:56 -0700 (PDT) From: Akihiko Odaki Date: Fri, 30 May 2025 13:50:11 +0900 Subject: [PATCH net-next v12 07/10] 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: <20250530-rss-v12-7-95d8b348de91@daynix.com> References: <20250530-rss-v12-0-95d8b348de91@daynix.com> In-Reply-To: <20250530-rss-v12-0-95d8b348de91@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 , Simon Horman , Akihiko Odaki X-Mailer: b4 0.15-dev-edae6 Ensure that vnet ioctls result in EBADFD when the underlying device is deleted. Signed-off-by: Akihiko Odaki Tested-by: Lei Yang --- tools/testing/selftests/net/tun.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/tools/testing/selftests/net/tun.c b/tools/testing/selftests/net/tun.c index fa83918b62d1..41747e1728a6 100644 --- a/tools/testing/selftests/net/tun.c +++ b/tools/testing/selftests/net/tun.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -159,4 +160,42 @@ 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, getvnethashtypes) +{ + uint32_t hash_types; + int ret = ioctl(self->fd, TUNGETVNETHASHTYPES, &hash_types); + + if (ret == -1 && errno == EBADFD) + SKIP(return, "TUNGETVNETHASHTYPES not supported"); + + EXPECT_FALSE(ret); +} + TEST_HARNESS_MAIN