From patchwork Fri Apr 26 23:23:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 13645477 X-Patchwork-Delegate: kuba@kernel.org 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 D1E593F9D4; Fri, 26 Apr 2024 23:24:06 +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=1714173846; cv=none; b=u1/B5QDkntd0cJ5w5bPqeg4ksnUp6r08QcTrX1Aha3czMCnw/twYFyx4KxaxREPYYBojLPybjzyIWvB6kIbqIKlsGpUx73i0vpQSB+LkvXvkZ+JrajQnafe0WgVu4fG20/PuoyK4F5Tu5M0qMXgda0AI52HihM+C8A/orFypRWk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714173846; c=relaxed/simple; bh=5jqwXOyQToPv0k8xyfI1wlEGdOtc42g28NCgzOvVDRk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CfRIp26Ot4bGFsUGpNUTBNF4MFkUEbVfckGTmZZRaFv8/iDMuv4Ye5di3rHdtK40UIrFB/7uzb3l9OHuzuWuvEY6MHmcWHhX/0xpcKaRV7a5f/iseu0vlHSzHVy3b8FVfbevFTk9NiFEYkJaRhkSyleHQ/7x07hWtC4Hsi0b7fU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sBCgt1oH; 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="sBCgt1oH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E81A6C2BD11; Fri, 26 Apr 2024 23:24:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714173846; bh=5jqwXOyQToPv0k8xyfI1wlEGdOtc42g28NCgzOvVDRk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sBCgt1oHJ76eZVzfkjVox2yCO359uqbNxXAD3hChiMGH3MVj4l/ueFj8q0nY3Z0yP AW63pEvYBzFfA7LXMeN9mNAKjRYaKMJWBuKrpIxhBzHHet+t1Lt4YQtMKSs51MXAo2 V3muw2pL2x6ScezLv0cU29725cF/jbfg4U7TtXX3hGsR1cFJTWuQvP/cvRRpjWdTmn hwRbTKjvrWWFfVfHmsgWNPxbIUq3SdUUQIiUb61qGF1BMSgTysDltXNJvUa9mnUT/N /uHDlRVXKV0SpZMyhZIkG6Lh46fhoCG0b6+3D88Y/m2qZcgL1gHnQ6Uu/BFNgg5quO jM7UNJmfbAg0Q== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, linux-kselftest@vger.kernel.org, willemdebruijn.kernel@gmail.com, Jakub Kicinski Subject: [PATCH net-next 4/6] selftests: net: py: avoid all ports < 10k Date: Fri, 26 Apr 2024 16:23:57 -0700 Message-ID: <20240426232400.624864-5-kuba@kernel.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240426232400.624864-1-kuba@kernel.org> References: <20240426232400.624864-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org When picking TCP ports to use, avoid all below 10k. This should lower the chance of collision or running afoul whatever random policies may be on the host. Signed-off-by: Jakub Kicinski --- tools/testing/selftests/net/lib/py/utils.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py index 11b588a2bb9d..074b792ec943 100644 --- a/tools/testing/selftests/net/lib/py/utils.py +++ b/tools/testing/selftests/net/lib/py/utils.py @@ -77,7 +77,7 @@ import time """ Get unprivileged port, for now just random, one day we may decide to check if used. """ - return random.randint(1024, 65535) + return random.randint(10000, 65535) def wait_port_listen(port, proto="tcp", ns=None, host=None, sleep=0.005, deadline=5):