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Filename Latest commit message Latest commit date
David Ahern d99029e6aa neighbour: allow NUD_NOARP entries to be forced GCed
commit 7a6b1ab7475fd6478eeaf5c9d1163e7a18125c8f upstream.

IFF_POINTOPOINT interfaces use NUD_NOARP entries for IPv6. It's possible to
fill up the neighbour table with enough entries that it will overflow for
valid connections after that.

This behaviour is more prevalent after commit 58956317c8 ("neighbor:
Improve garbage collection") is applied, as it prevents removal from
entries that are not NUD_FAILED, unless they are more than 5s old.

Fixes: 58956317c8 (neighbor: Improve garbage collection)
Reported-by: Kasper Dupont <kasperd@gjkwv.06.feb.2021.kasperd.net>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-10 13:37:16 +02:00
arch x86/kvm: Disable all PV features on crash 2021-06-10 13:37:16 +02:00
block
certs
crypto
Documentation XArray: add xas_split 2021-06-10 13:37:14 +02:00
drivers i2c: qcom-geni: Suspend and resume the bus during SYSTEM_SLEEP_PM ops 2021-06-10 13:37:16 +02:00
fs btrfs: fix unmountable seed device after fstrim 2021-06-10 13:37:15 +02:00
include XArray: add xas_split 2021-06-10 13:37:14 +02:00
init
ipc
kernel
lib lib/lz4: explicitly support in-place decompression 2021-06-10 13:37:16 +02:00
LICENSES
mm mm/filemap: fix storing to a THP shadow entry 2021-06-10 13:37:15 +02:00
net neighbour: allow NUD_NOARP entries to be forced GCed 2021-06-10 13:37:16 +02:00
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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.