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commit656c8e9cc1upstream. Change ct id hash calculation to only use invariants. Currently the ct id hash calculation is based on some fields that can change in the lifetime on a conntrack entry in some corner cases. The current hash uses the whole tuple which contains an hlist pointer which will change when the conntrack is placed on the dying list resulting in a ct id change. This patch also removes the reply-side tuple and extension pointer from the hash calculation so that the ct id will will not change from initialization until confirmation. Fixes:3c79107631("netfilter: ctnetlink: don't use conntrack/expect object addresses as id") Signed-off-by: Dirk Morris <dmorris@metaloft.com> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.