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Filename Latest commit message Latest commit date
Remi Pommarel 89d94cf7a7 batman-adv: Do not let TT changes list grows indefinitely
[ Upstream commit fff8f17c1a6fc802ca23bbd3a276abfde8cc58e6 ]

When TT changes list is too big to fit in packet due to MTU size, an
empty OGM is sent expected other node to send TT request to get the
changes. The issue is that tt.last_changeset was not built thus the
originator was responding with previous changes to those TT requests
(see batadv_send_my_tt_response). Also the changes list was never
cleaned up effectively never ending growing from this point onwards,
repeatedly sending the same TT response changes over and over, and
creating a new empty OGM every OGM interval expecting for the local
changes to be purged.

When there is more TT changes that can fit in packet, drop all changes,
send empty OGM and wait for TT request so we can respond with a full
table instead.

Fixes: e1bf0c1409 ("batman-adv: tvlv - convert tt data sent within OGMs")
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Acked-by: Antonio Quartulli <Antonio@mandelbit.com>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-19 18:05:03 +01:00
arch perf/x86/intel/pt: Fix buffer full but size is 0 case 2024-12-14 19:44:55 +01:00
block block: fix ordering between checking BLK_MQ_S_STOPPED request adding 2024-12-14 19:44:38 +01:00
certs
crypto
Documentation PCI: Add 'reset_subordinate' to reset hierarchy below bridge 2024-12-14 19:44:54 +01:00
drivers usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer 2024-12-19 18:05:02 +01:00
fs xfs: don't drop errno values when we fail to ficlone the entire range 2024-12-19 18:05:03 +01:00
include misc: eeprom: eeprom_93cx6: Add quirk for extra read clock cycle 2024-12-14 19:44:55 +01:00
init
ipc
kernel bpf, xdp: Update devmap comments to reflect napi/rcu usage 2024-12-14 19:44:56 +01:00
lib lib: string_helpers: silence snprintf() output truncation warning 2024-12-14 19:44:39 +01:00
LICENSES
mm
net batman-adv: Do not let TT changes list grows indefinitely 2024-12-19 18:05:03 +01:00
samples samples/bpf: Fix a resource leak 2024-12-14 19:44:50 +01:00
scripts modpost: Add .irqentry.text to OTHER_SECTIONS 2024-12-14 19:44:56 +01:00
security apparmor: fix 'Do simple duplicate message elimination' 2024-12-14 19:44:34 +01:00
sound ALSA: usb-audio: Fix out of bounds reads when finding clock sources 2024-12-14 19:44:56 +01:00
tools
usr
virt KVM: arm64: vgic-its: Clear ITE when DISCARD frees an ITE 2024-12-14 19:44:55 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.287 2024-12-14 19:44:57 +01:00
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.