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[ Upstream commit cbdebe481a ]
Userspace `ipset` command forbids family option for hash:mac type:
ipset create test hash:mac family inet4
ipset v6.30: Unknown argument: `family'
However, this check is not done in kernel itself. When someone use
external netlink applications (pyroute2 python library for example), one
can create hash:mac with invalid family and inconsistant results from
userspace (`ipset` command cannot read set content anymore).
This patch enforce the logic in kernel, and forbids insertion of
hash:mac with a family set.
Since IP_SET_PROTO_UNDEF is defined only for hash:mac, this patch has no
impact on other hash:* sets
Signed-off-by: Florent Fourcot <florent.fourcot@wifirst.fr>
Signed-off-by: Victorien Molle <victorien.molle@wifirst.fr>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.