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Issam Hamdi 95f32191e5 wifi: cfg80211: Set correct chandef when starting CAC

[ Upstream commit 20361712880396e44ce80aaeec2d93d182035651 ]

When starting CAC in a mode other than AP mode, it return a
"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]"
caused by the chandef.chan being null at the end of CAC.

Solution: Ensure the channel definition is set for the different modes
when starting CAC to avoid getting a NULL 'chan' at the end of CAC.

 Call Trace:
  ? show_regs.part.0+0x14/0x16
  ? __warn+0x67/0xc0
  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
  ? report_bug+0xa7/0x130
  ? exc_overflow+0x30/0x30
  ? handle_bug+0x27/0x50
  ? exc_invalid_op+0x18/0x60
  ? handle_exception+0xf6/0xf6
  ? exc_overflow+0x30/0x30
  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
  ? exc_overflow+0x30/0x30
  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
  ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]
  ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]
  ? process_one_work+0x165/0x280
  ? worker_thread+0x120/0x3f0
  ? kthread+0xc2/0xf0
  ? process_one_work+0x280/0x280
  ? kthread_complete_and_exit+0x20/0x20
  ? ret_from_fork+0x19/0x24

Reported-by: Kretschmer Mathias <mathias.kretschmer@fit.fraunhofer.de>
Signed-off-by: Issam Hamdi <ih@simonwunderlich.de>
Link: https://patch.msgid.link/20240816142418.3381951-1-ih@simonwunderlich.de
[shorten subject, remove OCB, reorder cases to match previous list]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-10-17 15:21:35 +02:00

arch

x86/tdx: Fix "in-kernel MMIO" check

2024-10-17 15:21:29 +02:00

block

block: fix potential invalid pointer dereference in blk_add_partition

2024-10-17 15:20:45 +02:00

certs

certs: Fix build error when PKCS#11 URI contains semicolon

2023-02-09 11:28:11 +01:00

crypto

KEYS: prevent NULL pointer dereference in find_asymmetric_key()

2024-10-17 15:21:17 +02:00

Documentation

dt-bindings: iio: asahi-kasei,ak8975: drop incorrect AK09116 compatible

2024-10-17 15:21:11 +02:00

drivers

wifi: iwlwifi: mvm: Fix a race in scan abort flow

2024-10-17 15:21:35 +02:00

f2fs: Require FMODE_WRITE for atomic write ioctls

2024-10-17 15:21:34 +02:00

include

fsdax,xfs: port unshare to fsdax

2024-10-17 15:21:32 +02:00

init

rust: fix the default format for CONFIG_{RUSTC,BINDGEN}_VERSION_TEXT

2024-08-29 17:30:32 +02:00

io_uring

io_uring/sqpoll: do not put cpumask on stack

2024-10-17 15:21:15 +02:00

ipc

sysctl: treewide: drop unused argument ctl_table_root::set_ownership(table)

2024-08-11 12:35:51 +02:00

kernel

jump_label: Fix static_key_slow_dec() yet again

2024-10-17 15:21:29 +02:00

lib

mm/filemap: optimize filemap folio adding

2024-10-17 15:21:26 +02:00

LICENSES

LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers

2021-12-16 14:33:10 +01:00

mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock

2024-10-17 15:21:27 +02:00

net

wifi: cfg80211: Set correct chandef when starting CAC

2024-10-17 15:21:35 +02:00

rust

rust: kbuild: fix export of bss symbols

2024-09-12 11:10:21 +02:00

samples

bpf: Replace bpf_lpm_trie_key 0-length array with flexible array

2024-08-29 17:30:22 +02:00

scripts

scripts: kconfig: merge_config: config files: add a trailing newline

2024-09-18 19:23:03 +02:00

security

bpf: lsm: Set bpf_lsm_blob_sizes.lbs_task to 0

2024-10-17 15:21:27 +02:00

sound

ALSA: hda/conexant: Fix conflicting quirk for System76 Pangolin

2024-10-17 15:21:34 +02:00

tools

selftests: netfilter: Fix nft_audit.sh for newer nft binaries

2024-10-17 15:21:31 +02:00

usr

usr/gen_init_cpio.c: remove unnecessary -1 values from int file

2022-10-03 14:21:44 -07:00

virt

KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()

2024-06-27 13:46:21 +02:00

.clang-format

inet: ping: use hlist_nulls rcu iterator during lookup

2022-12-01 12:42:46 +01:00

.cocciconfig

…

.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

Remove *.orig pattern from .gitignore

2024-10-17 15:21:15 +02:00

.mailmap

Merge tag 'mm-hotfixes-stable-2022-12-10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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

Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

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

MAINTAINERS: add leah to 6.1 MAINTAINERS file

2024-05-17 11:56:16 +02:00

Makefile

Linux 6.1.112

2024-09-30 16:23:56 +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.