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Paolo Abeni a94afe18ac Merge branch 'af_unix-fix-regression-by-the-per-netns-hash-table-series' 
Kuniyuki Iwashima says:

====================
af_unix: Fix regression by the per-netns hash table series.

The series 6dd4142fb5 ("Merge branch 'af_unix-per-netns-socket-hash'")
replaced a global hash table with per-netns tables, which caused regression
reported in the links below. [0][1]

When a pathname socket is visible, any socket with the same type has to be
able to connect to it even in different netns.  The series puts all sockets
into each namespace's hash table, making it impossible to look up a visible
socket in different netns.

On the other hand, while dumping sockets, they are filtered by netns.  To
keep such code simple, let's add a new global hash table only for pathname
sockets and link them with sk_bind_node.  Then we can keep all sockets in
each per-netns table and look up pathname sockets via the global table.

[0]: https://lore.kernel.org/netdev/B2AA3091-796D-475E-9A11-0021996E1C00@linux.ibm.com/
[1]: https://lore.kernel.org/netdev/5fb8d86f-b633-7552-8ba9-41e42f07c02a@gmail.com/

Changes:
  v3:
    * 1st: Update changelog s/named/pathname/
    * 2nd: Fix checkpatch.pl CHECK by --strict option

  v2: https://lore.kernel.org/netdev/20220702014447.93746-1-kuniyu@amazon.com/
    * Add selftest

  v1: https://lore.kernel.org/netdev/20220701072519.96097-1-kuniyu@amazon.com/
====================

Link: https://lore.kernel.org/r/20220702154818.66761-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
History 2022-07-05 11:35:00 +02:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
block block: remove WARN_ON() from bd_link_disk_holder 2022-06-23 07:48:05 -06:00
certs Certs changes 2022-06-21 12:13:53 -05:00
crypto Certs changes 2022-06-21 12:13:53 -05:00
Documentation dt-bindings: net: dsa: renesas,rzn1-a5psw: add interrupts description 2022-07-04 10:32:24 +01:00
drivers net: hns: Fix spelling mistakes in comments. 2022-07-04 11:15:45 +01:00
fs vfs: fix copy_file_range() regression in cross-fs copies 2022-06-30 15:16:38 -07:00
include net: phy: broadcom: Add support for BCM53128 internal PHYs 2022-07-04 10:33:06 +01:00
init gcc-12: disable '-Warray-bounds' universally for now 2022-06-09 10:11:12 -07:00
ipc These changes update the ipc sysctls so that they are fundamentally 2022-06-03 15:54:57 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
lib Build tool updates: 2022-06-19 09:54:16 -05:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Minor things, mainly - mailmap updates, MAINTAINERS updates, etc. 2022-06-26 14:00:55 -07:00
net af_unix: Put pathname sockets in the global hash table. 2022-07-05 11:34:58 +02:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
security selinux: free contexts previously transferred in selinux_add_opt() 2022-06-15 21:20:45 -04:00
sound sound fixes for 5.19-rc4 2022-06-23 08:44:00 -05:00
tools selftests: net: af_unix: Test connect() with different netns. 2022-07-05 11:34:58 +02:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking 2022-06-09 10:52:20 -04:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap mailmap: add entry for Christian Marangi 2022-06-16 19:11:32 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS linux-can-next-for-5.20-20220703 2022-07-03 12:32:15 +01:00
Makefile Linux 5.19-rc4 2022-06-26 14:22:10 -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.