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af84f9e447
nft can perform merging of adjacent payload requests.
This means that:
ether saddr 00:11 ... ether type 8021ad ...
is a single payload expression, for 8 bytes, starting at the
ethernet source offset.
Check that offset+length is fully within the source/destination mac
addersses.
This bug prevents 'ether type' from matching the correct h_proto in case
vlan tag got stripped.
Fixes: de6843be30 ("netfilter: nft_payload: rebuild vlan header when needed")
Reported-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: Florian Westphal <fw@strlen.de>
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.
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.