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Florian Westphal 4589725502 netfilter: snat: evict closing tcp entries on reply tuple collision 
When all tried source tuples are in use, the connection request (skb)
and the new conntrack will be dropped in nf_confirm() due to the
non-recoverable clash.

Make it so that the last 32 attempts are allowed to evict a colliding
entry if this connection is already closing and the new sequence number
has advanced past the old one.

Such "all tuples taken" secenario can happen with tcp-rpc workloads where
same dst:dport gets queried repeatedly.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2023-06-26 08:05:57 +02:00
arch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-05-25 20:56:43 -07:00
block
block: Deny writable memory mapping if block is read-only
2023-05-19 20:17:10 -06:00
certs
KEYS: Add missing function documentation
2023-04-24 16:15:52 +03:00
crypto
Merge tag 'v6.4-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2023-05-07 10:57:14 -07:00
Documentation
Documentation: leds: leds-class: Document new Hardware driven LEDs APIs
2023-05-31 09:42:08 +01:00
drivers
chelsio: Convert chtls_sendpage() to use MSG_SPLICE_PAGES
2023-06-01 13:41:36 +02:00
fs
Merge tag 'erofs-for-6.4-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
2023-05-23 10:47:32 -07:00
include
netfilter: nf_tables: permit update of set size
2023-06-26 08:05:57 +02:00
init
Merge tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-04-28 14:02:54 -07:00
io_uring
net: Declare MSG_SPLICE_PAGES internal sendmsg() flag
2023-05-23 20:48:27 -07:00
ipc
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:20:07 -08:00
kernel
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2023-05-26 17:26:01 -07:00
lib
Merge tag 'mm-hotfixes-stable-2023-05-18-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-05-18 17:06:04 -07:00
LICENSES
LICENSES: Add the copyleft-next-0.3.1 license
2022-11-08 15:44:01 +01:00
mm
mm: fix zswap writeback race condition
2023-05-17 15:24:33 -07:00
net
netfilter: snat: evict closing tcp entries on reply tuple collision
2023-06-26 08:05:57 +02:00
rust
Merge tag 'rust-6.4' of https://github.com/Rust-for-Linux/linux
2023-04-30 11:20:22 -07:00
samples
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-05-25 19:57:39 -07:00
scripts
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2023-05-16 19:50:05 -07:00
security
Merge tag 'integrity-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2023-04-29 10:11:32 -07:00
sound
ALSA: hda/realtek: Enable headset onLenovo M70/M90
2023-05-24 14:18:59 +02:00
tools
selftests: forwarding: Add layer 2 miss test cases
2023-05-30 23:37:01 -07:00
usr
initramfs: Check negative timestamp to prevent broken cpio archive
2023-04-16 17:37:01 +09:00
virt
KVM: Fix vcpu_array[0] races
2023-05-19 13:56:26 -04:00
.clang-format
Merge tag 'cxl-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2023-04-30 11:51:51 -07:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for *.dtso files
2023-02-26 15:28:23 +09:00
.gitignore
Merge tag 'linux-kselftest-kunit-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2023-04-24 12:31:32 -07:00
.mailmap
mailmap: add entries for Nikolay Aleksandrov
2023-05-17 09:35:05 +01:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: sctp: move Neil to CREDITS
2023-05-12 08:51:32 +01:00
Kbuild
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-05-25 20:56:43 -07:00
Makefile
Linux 6.4-rc3
2023-05-21 14:05:48 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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