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[ Upstream commitb38ff4075a] Family of src/dst can be different from family of selector src/dst. Use xfrm selector family to validate address prefix length, while verifying new sa from userspace. Validated patch with this command: ip xfrm state add src 1.1.6.1 dst 1.1.6.2 proto esp spi 4260196 \ reqid 20004 mode tunnel aead "rfc4106(gcm(aes))" \ 0x1111016400000000000000000000000044440001 128 \ sel src 1011:1:4::2/128 sel dst 1021:1:4::2/128 dev Port5 Fixes:07bf790895("xfrm: Validate address prefix lengths in the xfrm selector.") Signed-off-by: Anirudh Gupta <anirudh.gupta@sophos.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
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.