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Florian Westphal 23c54263ef netfilter: nft_set_pipapo: allocate pcpu scratch maps on clone 
This is needed in case a new transaction is made that doesn't insert any
new elements into an already existing set.

Else, after second 'nft -f ruleset.txt', lookups in such a set will fail
because ->lookup() encounters raw_cpu_ptr(m->scratch) == NULL.

For the initial rule load, insertion of elements takes care of the
allocation, but for rule reloads this isn't guaranteed: we might not
have additions to the set.

Fixes: 3c4287f620 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Reported-by: etkaar <lists.netfilter.org@prvy.eu>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-01-06 10:43:24 +01:00
arch powerpc fixes for 5.16 #5 2021-12-28 11:42:01 -08:00
block
certs
crypto
Documentation Networking fixes for 5.16-rc8, including fixes from.. Santa? 2021-12-30 11:12:12 -08:00
drivers sfc: The RX page_ring is optional 2022-01-04 18:14:21 -08:00
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include udp6: Use Segment Routing Header for dest address if present 2022-01-04 12:17:35 +00:00
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net netfilter: nft_set_pipapo: allocate pcpu scratch maps on clone 2022-01-06 10:43:24 +01:00
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security selinux/stable-5.16 PR 20211228 2021-12-28 13:33:06 -08:00
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tools selftests: netfilter: switch to socat for tests using -q option 2022-01-06 10:43:18 +01:00
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Makefile Linux 5.16-rc7 2021-12-26 13:17:17 -08:00
README

README 

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.