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Tung Nguyen 5ac01865a2 tipc: fix unexpected link reset due to discovery messages 
[ Upstream commit c244c092f1 ]

This unexpected behavior is observed:

node 1                    | node 2
------                    | ------
link is established       | link is established
reboot                    | link is reset
up                        | send discovery message
receive discovery message |
link is established       | link is established
send discovery message    |
                          | receive discovery message
                          | link is reset (unexpected)
                          | send reset message
link is reset             |

It is due to delayed re-discovery as described in function
tipc_node_check_dest(): "this link endpoint has already reset
and re-established contact with the peer, before receiving a
discovery message from that node."

However, commit 598411d70f has changed the condition for calling
tipc_node_link_down() which was the acceptance of new media address.

This commit fixes this by restoring the old and correct behavior.

Fixes: 598411d70f ("tipc: make resetting of links non-atomic")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-01-18 11:58:24 +01:00
arch x86/resctrl: Fix event counts regression in reused RMIDs 2023-01-18 11:58:22 +01:00
block block: don't allow splitting of a REQ_NOWAIT bio 2023-01-12 12:02:47 +01:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2022-12-31 13:32:34 +01:00
Documentation dt-bindings: msm/dsi: Don't require vcca-supply on 14nm PHY 2023-01-18 11:58:18 +01:00
drivers stmmac: dwmac-mediatek: remove the dwmac_fix_mac_speed 2023-01-18 11:58:24 +01:00
fs cifs: fix double free on failed kerberos auth 2023-01-18 11:58:15 +01:00
include mtd: cfi: allow building spi-intel standalone 2023-01-18 11:58:24 +01:00
init gcc: disable -Warray-bounds for gcc-11 too 2023-01-14 10:33:43 +01:00
io_uring io_uring/fdinfo: include locked hash table in fdinfo output 2023-01-18 11:58:15 +01:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel sched/core: Fix use-after-free bug in dup_user_cpus_ptr() 2023-01-18 11:58:21 +01:00
lib kunit: alloc_string_stream_fragment error handling bug fix 2023-01-12 12:02:41 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm: Always release pages to the buddy allocator in memblock_free_late(). 2023-01-18 11:58:20 +01:00
net tipc: fix unexpected link reset due to discovery messages 2023-01-18 11:58:24 +01:00
rust Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
samples samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe() 2022-12-31 13:32:42 +01:00
scripts - Handle different output of readelf on different distros running 2022-11-27 12:08:17 -08:00
security device_cgroup: Roll back to original exceptions after copy failure 2023-01-07 11:11:56 +01:00
sound ALSA: usb-audio: Relax hw constraints for implicit fb sync 2023-01-18 11:58:24 +01:00
tools selftests: netfilter: fix transaction test script timeout handling 2023-01-18 11:58:21 +01:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt Merge branch 'kvm-dwmw2-fixes' into HEAD 2022-11-23 18:59:45 -05:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.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 dts files 2019-12-04 19:44:11 -08:00
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.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: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 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 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
Makefile Linux 6.1.6 2023-01-14 10:33:46 +01:00
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.