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Pablo Neira Ayuso 5c45feb3c2 netfilter: nf_tables: honor table dormant flag from netdev release event path [ Upstream commit `8e30abc9ac` ] Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. [524854.857999] ------------[ cut here ]------------ [524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260 [...] [524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365 [524854.858869] Workqueue: netns cleanup_net [524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260 [524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff <0f> 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41 [524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246 [524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a [524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438 [524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34 [524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005 [524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00 [524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000 [524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0 [524854.859000] Call Trace: [524854.859006] <TASK> [524854.859013] ? __warn+0x9f/0x1a0 [524854.859027] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859044] ? report_bug+0x1b1/0x1e0 [524854.859060] ? handle_bug+0x3c/0x70 [524854.859071] ? exc_invalid_op+0x17/0x40 [524854.859083] ? asm_exc_invalid_op+0x1a/0x20 [524854.859100] ? __nf_unregister_net_hook+0x6a/0x260 [524854.859116] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables] [524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859461] ? packet_notifier+0xb3/0x360 [524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40 [524854.859489] ? dcbnl_netdevice_event+0x35/0x140 [524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859661] notifier_call_chain+0x7d/0x140 [524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0 Fixes: `d54725cd11` ("netfilter: nf_tables: support for multiple devices per netdev hook") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-05-02 16:24:46 +02:00
arch	ARC: [plat-hsdk]: Remove misplaced interrupt-cells property	2024-05-02 16:24:44 +02:00
block	block: prevent division by zero in blk_rq_stat_sum()	2024-04-13 13:01:45 +02:00
certs	certs/blacklist_hashes.c: fix const confusion in certs blacklist	2022-06-22 14:22:01 +02:00
crypto	exit: Rename module_put_and_exit to module_put_and_kthread_exit	2024-04-10 16:18:55 +02:00
Documentation	Revert "lockd: introduce safe async lock op"	2024-04-27 17:05:23 +02:00
drivers	mlxsw: spectrum_acl_tcam: Fix memory leak when canceling rehash work	2024-05-02 16:24:46 +02:00
fs	cifs: reinstate original behavior again for forceuid/forcegid	2024-05-02 16:24:43 +02:00
include	net: dsa: introduce preferred_default_local_cpu_port and use on MT7530	2024-04-27 17:05:29 +02:00
init	init/main.c: Fix potential static_command_line memory overflow	2024-04-27 17:05:28 +02:00
io_uring	io_uring: ensure '0' is returned on file registration success	2024-04-10 16:19:37 +02:00
ipc	ipc/sem: Fix dangling sem_array access in semtimedop race	2022-12-08 11:28:45 +01:00
kernel	Revert "tracing/trigger: Fix to return error if failed to alloc snapshot"	2024-04-27 17:05:23 +02:00
lib	arch: Introduce CONFIG_FUNCTION_ALIGNMENT	2024-04-10 16:18:49 +02:00
LICENSES	LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"	2021-07-15 06:31:24 -06:00
mm	x86/mm/pat: fix VM_PAT handling in COW mappings	2024-04-13 13:01:47 +02:00
net	netfilter: nf_tables: honor table dormant flag from netdev release event path	2024-05-02 16:24:46 +02:00
samples	samples/hw_breakpoint: fix building without module unloading	2023-09-23 11:10:01 +02:00
scripts	gcc-plugins/stackleak: Avoid .head.text section	2024-04-13 13:01:47 +02:00
security	landlock: Warn once if a Landlock action is requested while disabled	2024-04-10 16:18:39 +02:00
sound	ASoC: soc-core.c: Skip dummy codec when adding platforms	2024-04-13 13:01:46 +02:00
tools	selftests/ftrace: Limit length in subsystem-enable tests	2024-04-27 17:05:23 +02:00
usr	usr/include/Makefile: add linux/nfc.h to the compile-test coverage	2022-02-01 17:27:15 +01:00
virt	KVM: Always flush async #PF workqueue when vCPU is being destroyed	2024-04-10 16:18:34 +02:00
.clang-format	clang-format: Update with the latest for_each macro list	2021-05-12 23:32:39 +02:00
.cocciconfig
.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	.gitignore: ignore only top-level modules.builtin	2021-05-02 00:43:35 +09:00
.mailmap	mailmap: add Andrej Shadura	2021-10-18 20:22:03 -10:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: Move Daniel Drake to credits	2021-09-21 08:34:58 +03:00
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	trace: Relocate event helper files	2024-04-10 16:19:24 +02:00
Makefile	Linux 5.15.157	2024-04-27 17:05:29 +02:00
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.