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Filename Latest commit message Latest commit date
Pablo Neira Ayuso eaf1a29ea5 netfilter: nf_tables: use timestamp to check for set element timeout
commit 7395dfacfff65e9938ac0889dafa1ab01e987d15 upstream

Add a timestamp field at the beginning of the transaction, store it
in the nftables per-netns area.

Update set backend .insert, .deactivate and sync gc path to use the
timestamp, this avoids that an element expires while control plane
transaction is still unfinished.

.lookup and .update, which are used from packet path, still use the
current time to check if the element has expired. And .get path and dump
also since this runs lockless under rcu read size lock. Then, there is
async gc which also needs to check the current time since it runs
asynchronously from a workqueue.

[ NB: rbtree GC updates has been excluded because GC is asynchronous. ]

Fixes: c3e1b005ed ("netfilter: nf_tables: add set element timeout support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-19 05:33:53 +02:00
arch x86/mtrr: Check if fixed MTRRs exist before saving them 2024-08-19 05:33:53 +02:00
block block: prevent division by zero in blk_rq_stat_sum() 2024-04-13 12:51:38 +02:00
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:28:51 +02:00
Documentation arm64: errata: Expand speculative SSBS workaround (again) 2024-08-19 05:33:50 +02:00
drivers drm/mgag200: Set DDC timeout in milliseconds 2024-08-19 05:33:53 +02:00
fs ext4: fix wrong unit use in ext4_mb_find_by_goal 2024-08-19 05:33:48 +02:00
include netfilter: nf_tables: use timestamp to check for set element timeout 2024-08-19 05:33:53 +02:00
init init: open /initrd.image with O_LARGEFILE 2024-04-13 12:51:36 +02:00
ipc
kernel tracing: Fix overflow in get_free_elt() 2024-08-19 05:33:53 +02:00
lib kobject_uevent: Fix OOB access within zap_modalias_env() 2024-08-19 05:33:38 +02:00
LICENSES
mm mm: avoid overflows in dirty throttling logic 2024-08-19 05:33:42 +02:00
net netfilter: nf_tables: use timestamp to check for set element timeout 2024-08-19 05:33:53 +02:00
samples media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
scripts kbuild: Fix '-S -c' in x86 stack protector scripts 2024-08-19 05:33:53 +02:00
security apparmor: Fix null pointer deref when receiving skb during sock creation 2024-08-19 05:33:42 +02:00
sound ALSA: hda/hdmi: Yet more pin fix for HP EliteDesk 800 G4 2024-08-19 05:33:51 +02:00
tools selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT 2024-08-19 05:33:47 +02:00
usr
virt KVM: async_pf: Cleanup kvm_setup_async_pf() 2024-05-02 16:18:32 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.281 2024-07-27 10:38:33 +02:00
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.