netdev - Re: [PATCH v11.1] selftests/landlock: Add 11 new test suites dedicated to network

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Date: Mon, 10 Jul 2023 18:06:21 +0200
From: Mickaël Salaün <mic@...ikod.net>
To: Konstantin Meskhidze <konstantin.meskhidze@...wei.com>
Cc: artem.kuzin@...wei.com, gnoack3000@...il.com,
 willemdebruijn.kernel@...il.com, yusongping@...wei.com,
 linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
 netfilter-devel@...r.kernel.org
Subject: Re: [PATCH v11.1] selftests/landlock: Add 11 new test suites
 dedicated to network


On 06/07/2023 16:55, Mickaël Salaün wrote:
> From: Konstantin Meskhidze <konstantin.meskhidze@...wei.com>
> 
> This patch is a revamp of the v11 tests [1] with new tests (see the
> "Changes since v11" description).  I (Mickaël) only added the following
> todo list and the "Changes since v11" sections in this commit message.
> I think this patch is good but it would appreciate reviews.
> You can find the diff of my changes here but it is not really readable:
> https://git.kernel.org/mic/c/78edf722fba5 (landlock-net-v11 branch)
> [1] https://lore.kernel.org/all/20230515161339.631577-11-konstantin.meskhidze@huawei.com/
> TODO:
> - Rename all "net_service" to "net_port".
> - Fix the two kernel bugs found with the new tests.
> - Update this commit message with a small description of all tests.
> 


[...]

> +static int bind_variant_addrlen(const int sock_fd,
> +				const struct service_fixture *const srv,
> +				const socklen_t addrlen)
> +{
> +	int ret;
> +
> +	switch (srv->protocol.domain) {
> +	case AF_UNSPEC:
> +	case AF_INET:
> +		ret = bind(sock_fd, &srv->ipv4_addr, addrlen);
> +		break;
> +
> +	case AF_INET6:
> +		ret = bind(sock_fd, &srv->ipv6_addr, addrlen);
> +		break;
> +
> +	case AF_UNIX:
> +		ret = bind(sock_fd, &srv->unix_addr, addrlen);
> +		break;
> +
> +	default:
> +		errno = -EAFNOSUPPORT;

This should be `errno = EAFNOSUPPORT`

> +		return -errno;
> +	}
> +
> +	if (ret < 0)
> +		return -errno;
> +	return ret;