Current release - regressions:
- af_unix: allow passing cred for embryo without SO_PASSCRED/SO_PASSPIDFD
Current release - new code bugs:
- eth: airoha: correct enable mask for RX queues 16-31
- veth: prevent NULL pointer dereference in veth_xdp_rcv when peer
disappears under traffic
- ipv6: move fib6_config_validate() to ip6_route_add(), prevent invalid
routes
Previous releases - regressions:
- phy: phy_caps: don't skip better duplex match on non-exact match
- dsa: b53: fix untagged traffic sent via cpu tagged with VID 0
- Revert "wifi: mwifiex: Fix HT40 bandwidth issue.", it caused transient
packet loss, exact reason not fully understood, yet
Previous releases - always broken:
- net: clear the dst when BPF is changing skb protocol (IPv4 <> IPv6)
- sched: sfq: fix a potential crash on gso_skb handling
- Bluetooth: intel: improve rx buffer posting to avoid causing issues
in the firmware
- eth: intel: i40e: make reset handling robust against multiple requests
- eth: mlx5: ensure FW pages are always allocated on the local NUMA
node, even when device is configure to 'serve' another node
- wifi: ath12k: fix GCC_GCC_PCIE_HOT_RST definition for WCN7850,
prevent kernel crashes
- wifi: ath11k: avoid burning CPU in ath11k_debugfs_fw_stats_request()
for 3 sec if fw_stats_done is not set
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth and wireless.
Current release - regressions:
- af_unix: allow passing cred for embryo without SO_PASSCRED/SO_PASSPIDFD
Current release - new code bugs:
- eth: airoha: correct enable mask for RX queues 16-31
- veth: prevent NULL pointer dereference in veth_xdp_rcv when peer
disappears under traffic
- ipv6: move fib6_config_validate() to ip6_route_add(), prevent
invalid routes
Previous releases - regressions:
- phy: phy_caps: don't skip better duplex match on non-exact match
- dsa: b53: fix untagged traffic sent via cpu tagged with VID 0
- Revert "wifi: mwifiex: Fix HT40 bandwidth issue.", it caused
transient packet loss, exact reason not fully understood, yet
Previous releases - always broken:
- net: clear the dst when BPF is changing skb protocol (IPv4 <> IPv6)
- sched: sfq: fix a potential crash on gso_skb handling
- Bluetooth: intel: improve rx buffer posting to avoid causing issues
in the firmware
- eth: intel: i40e: make reset handling robust against multiple
requests
- eth: mlx5: ensure FW pages are always allocated on the local NUMA
node, even when device is configure to 'serve' another node
- wifi: ath12k: fix GCC_GCC_PCIE_HOT_RST definition for WCN7850,
prevent kernel crashes
- wifi: ath11k: avoid burning CPU in ath11k_debugfs_fw_stats_request()
for 3 sec if fw_stats_done is not set"
* tag 'net-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
selftests: drv-net: rss_ctx: Add test for ntuple rules targeting default RSS context
net: ethtool: Don't check if RSS context exists in case of context 0
af_unix: Allow passing cred for embryo without SO_PASSCRED/SO_PASSPIDFD.
ipv6: Move fib6_config_validate() to ip6_route_add().
net: drv: netdevsim: don't napi_complete() from netpoll
net/mlx5: HWS, Add error checking to hws_bwc_rule_complex_hash_node_get()
veth: prevent NULL pointer dereference in veth_xdp_rcv
net_sched: remove qdisc_tree_flush_backlog()
net_sched: ets: fix a race in ets_qdisc_change()
net_sched: tbf: fix a race in tbf_change()
net_sched: red: fix a race in __red_change()
net_sched: prio: fix a race in prio_tune()
net_sched: sch_sfq: reject invalid perturb period
net: phy: phy_caps: Don't skip better duplex macth on non-exact match
MAINTAINERS: Update Kuniyuki Iwashima's email address.
selftests: net: add test case for NAT46 looping back dst
net: clear the dst when changing skb protocol
net/mlx5e: Fix number of lanes to UNKNOWN when using data_rate_oper
net/mlx5e: Fix leak of Geneve TLV option object
net/mlx5: HWS, make sure the uplink is the last destination
...
The nl80211_parse_connkeys() function currently uses kfree() to release
the 'result' structure in error handling paths. However, if an error
occurs due to result->def being less than 0, the 'result' structure may
contain sensitive information.
To prevent potential leakage of sensitive data, replace kfree() with
kfree_sensitive() when freeing 'result'. This change aligns with the
approach used in its caller, nl80211_join_ibss(), enhancing the overall
security of the wireless subsystem.
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Link: https://patch.msgid.link/20250523110156.4017111-1-zilin@seu.edu.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Move this API to the canonical timer_*() namespace.
[ tglx: Redone against pre rc1 ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com
S1G beacons are not traditional beacons but a type of extension frame.
Extension frames contain the frame control and duration fields, followed
by zero or more optional fields before the frame body. These optional
fields are distinct from the variable length elements.
The presence of optional fields is indicated in the frame control field.
To correctly locate the elements offset, the frame control must be parsed
to identify which optional fields are present. Currently, mac80211 parses
S1G beacons based on fixed assumptions about the frame layout, without
inspecting the frame control field. This can result in incorrect offsets
to the "variable" portion of the frame.
Properly parse S1G beacon frames by using the field lengths defined in
IEEE 802.11-2024, section 9.3.4.3, ensuring that the elements offset is
calculated accurately.
Fixes: 9eaffe5078 ("cfg80211: convert S1G beacon to scan results")
Fixes: cd418ba63f ("mac80211: convert S1G beacon to scan results")
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20250603053538.468562-1-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently during the multi-link element defragmentation process, the
multi-link element length added to the total IEs length when calculating
the length of remaining IEs after the multi-link element in
cfg80211_defrag_mle(). This could lead to out-of-bounds access if the
multi-link element or its corresponding fragment elements are the last
elements in the IEs buffer.
To address this issue, correctly calculate the remaining IEs length by
deducting the multi-link element end offset from total IEs end offset.
Cc: stable@vger.kernel.org
Fixes: 2481b5da9c ("wifi: cfg80211: handle BSS data contained in ML probe responses")
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://patch.msgid.link/20250424-fix_mle_defragmentation_oob_access-v1-1-84412a1743fa@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
During non-transmitted (nontx) profile configuration, interface
index of the transmitted (tx) profile is used to retrieve the
wireless device (wdev) associated with it. With MLO, this 'wdev'
may be part of an MLD with more than one link, hence only
interface index is not sufficient anymore to retrieve the correct
tx profile. Add a new attribute to configure link id of tx profile.
Signed-off-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
Co-developed-by: Muna Sinada <muna.sinada@oss.qualcomm.com>
Signed-off-by: Muna Sinada <muna.sinada@oss.qualcomm.com>
Co-developed-by: Aloka Dixit <aloka.dixit@oss.qualcomm.com>
Signed-off-by: Aloka Dixit <aloka.dixit@oss.qualcomm.com>
Link: https://patch.msgid.link/20250408184501.3715887-2-aloka.dixit@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The Enhanced multi-link single-radio (EMLSR) operation allows a non-AP MLD
with multiple receive chains to listen on one or more EMLSR links when the
corresponding non-AP STA(s) affiliated with the non-AP MLD is (are) in
the awake state. [IEEE 802.11be-2024, (35.3.17 Enhanced multi-link
single-radio (EMLSR) operation)]
An MLD which intends to enable EMLSR operations will set the EML
Capabilities Present subfield to 1 and shall set the EMLSR Support
subfield in the Common Info field of the Basic Multi-Link element to 1 in
all Management frames that include the Basic Multi-Link element except
Authentication frames. EML capabilities contains information such as
EML Transition timeout, Padding delay and Transition delay. These fields
needs to updated to drivers to trigger EMLSR operation and to transmit and
receive initial control frame and data frames.
Add support to receive EML Capabilities subfield that non-AP MLD
advertises during (re)association request and send it to underlying
drivers during ADD/SET station.
Signed-off-by: Ramasamy Kaliappan <quic_rkaliapp@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://patch.msgid.link/20250327051320.3253783-2-quic_ramess@quicinc.com
[accept EMLSR capabilities only for unassoc AP STA]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree
over and remove the historical wrapper inlines.
Conversion was done with coccinelle plus manual fixups where necessary.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link ID to store chandef is still being used as 0 even in case of MLO which
is incorrect. This leads to issue during CAC completion where link 0 as well
gets stopped.
Fixes: 0b7798232e ("wifi: cfg80211/mac80211: use proper link ID for DFS")
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250314-fix_starting_cac_during_mlo-v1-1-3b51617d7ea5@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are a few conflicts between the work that went
into wireless and that's here now, resolve them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cross-merge networking fixes after downstream PR (net-6.14-rc6).
Conflicts:
tools/testing/selftests/drivers/net/ping.py
75cc19c8ff ("selftests: drv-net: add xdp cases for ping.py")
de94e86974 ("selftests: drv-net: store addresses in dict indexed by ipver")
https://lore.kernel.org/netdev/20250311115758.17a1d414@canb.auug.org.au/
net/core/devmem.c
a70f891e0f ("net: devmem: do not WARN conditionally after netdev_rx_queue_restart()")
1d22d3060b ("net: drop rtnl_lock for queue_mgmt operations")
https://lore.kernel.org/netdev/20250313114929.43744df1@canb.auug.org.au/
Adjacent changes:
tools/testing/selftests/net/Makefile
6f50175cca ("selftests: Add IPv6 link-local address generation tests for GRE devices.")
2e5584e0f9 ("selftests/net: expand cmsg_ipv6.sh with ipv4")
drivers/net/ethernet/broadcom/bnxt/bnxt.c
661958552e ("eth: bnxt: do not use BNXT_VNIC_NTUPLE unconditionally in queue restart logic")
fe96d717d3 ("bnxt_en: Extend queue stop/start for TX rings")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Some regulatory bodies doesn't allow IR (initiate radioation) on a
specific subband, but allows it for channels with a bandwidth of 20 MHz.
Add a channel flag that indicates that, and consider it in
cfg80211_reg_check_beaconing.
While on it, fix the kernel doc of enum nl80211_reg_rule_flags and
change it to use BIT().
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Co-developed-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250308225541.d3ab352a73ff.I8a8f79e1c9eb74936929463960ee2a324712fe51@changeid
[fix typo]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Some extended MLD capabilities and operations bits (currently
the "BTM MLD Recommendataion For Multiple APs Support" bit)
may depend on userspace capabilities. Allow userspace to pass
the values for this field that it supports to the association
and link reconfiguration operations.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Link: https://patch.msgid.link/20250308225541.bd52078b5f65.I4dd8f53b0030db7ea87a2e0920989e7e2c7b5345@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
A wiphy_work can be queued from the moment the wiphy is allocated and
initialized (i.e. wiphy_new_nm). When a wiphy_work is queued, the
rdev::wiphy_work is getting queued.
If wiphy_free is called before the rdev::wiphy_work had a chance to run,
the wiphy memory will be freed, and then when it eventally gets to run
it'll use invalid memory.
Fix this by canceling the work before freeing the wiphy.
Fixes: a3ee4dc84c ("wifi: cfg80211: add a work abstraction with special semantics")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250306123626.efd1d19f6e07.I48229f96f4067ef73f5b87302335e2fd750136c9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The refactoring of the assoc link handling in order to
support multi-link reconfiguration broke the setting
of the assoc link ID, and thus resulted in the wrong
BSS "use_for" value being selected. Fix that for both
association and ML reconfiguration.
Fixes: 720fa448f5 ("wifi: nl80211: Split the links handling of an association request")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250306123626.7b233d769c32.I62fd04a8667dd55cedb9a1c0414cc92dd098da75@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cross-merge networking fixes after downstream PR (net-6.14-rc6).
Conflicts:
net/ethtool/cabletest.c
2bcf4772e4 ("net: ethtool: try to protect all callback with netdev instance lock")
637399bf7e ("net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device")
No Adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* cfg80211/mac80211
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
* rtw88
- preparation for RTL8814AU support
* rtw89
- use wiphy_lock/wiphy_work
- preparations for MLO
- BT-Coex improvements
- regulatory support in firmware files
* iwlwifi
- preparations for the new iwlmld sub-driver
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Merge tag 'wireless-next-2025-03-04-v2' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
First 6.15 material:
* cfg80211/mac80211
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
* rtw88
- preparation for RTL8814AU support
* rtw89
- use wiphy_lock/wiphy_work
- preparations for MLO
- BT-Coex improvements
- regulatory support in firmware files
* iwlwifi
- preparations for the new iwlmld sub-driver
* tag 'wireless-next-2025-03-04-v2' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (128 commits)
wifi: iwlwifi: remove mld/roc.c
wifi: mac80211: refactor populating mesh related fields in sinfo
wifi: cfg80211: reorg sinfo structure elements for mesh
wifi: iwlwifi: Fix spelling mistake "Increate" -> "Increase"
wifi: iwlwifi: add Debug Host Command APIs
wifi: iwlwifi: add IWL_MAX_NUM_IGTKS macro
wifi: iwlwifi: add OMI bandwidth reduction APIs
wifi: iwlwifi: remove mvm prefix from iwl_mvm_d3_end_notif
wifi: iwlwifi: remember if the UATS table was read successfully
wifi: iwlwifi: export iwl_get_lari_config_bitmap
wifi: iwlwifi: add support for external 32 KHz clock
wifi: iwlwifi: mld: add a debug level for EHT prints
wifi: iwlwifi: mld: add a debug level for PTP prints
wifi: iwlwifi: remove mvm prefix from iwl_mvm_esr_mode_notif
wifi: iwlwifi: use 0xff instead of 0xffffffff for invalid
wifi: iwlwifi: location api cleanup
wifi: cfg80211: expose update timestamp to drivers
wifi: mac80211: add ieee80211_iter_chan_contexts_mtx
wifi: mac80211: fix integer overflow in hwmp_route_info_get()
wifi: mac80211: Fix possible integer promotion issue
...
====================
Link: https://patch.msgid.link/20250304125605.127914-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* regressions from this cycle:
- mac80211: fix sparse warning for monitor
- nl80211: disable multi-link reconfiguration (needs fixing)
* older issues:
- cfg80211: reject badly combined cooked monitor,
fix regulatory hint validity checks
- mac80211: handle TXQ flush w/o driver per-sta flush,
fix debugfs for monitor, fix element inheritance
- iwlwifi: fix rfkill, dead firmware handling, rate API
version, free A-MSDU handling, avoid large
allocations, fix string format
- brcmfmac: fix power handling on some boards
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Merge tag 'wireless-2025-03-04' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
bugfixes for 6.14:
* regressions from this cycle:
- mac80211: fix sparse warning for monitor
- nl80211: disable multi-link reconfiguration (needs fixing)
* older issues:
- cfg80211: reject badly combined cooked monitor,
fix regulatory hint validity checks
- mac80211: handle TXQ flush w/o driver per-sta flush,
fix debugfs for monitor, fix element inheritance
- iwlwifi: fix rfkill, dead firmware handling, rate API
version, free A-MSDU handling, avoid large
allocations, fix string format
- brcmfmac: fix power handling on some boards
* tag 'wireless-2025-03-04' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: nl80211: disable multi-link reconfiguration
wifi: cfg80211: regulatory: improve invalid hints checking
wifi: brcmfmac: keep power during suspend if board requires it
wifi: mac80211: Fix sparse warning for monitor_sdata
wifi: mac80211: fix vendor-specific inheritance
wifi: mac80211: fix MLE non-inheritance parsing
wifi: iwlwifi: Fix A-MSDU TSO preparation
wifi: iwlwifi: Free pages allocated when failing to build A-MSDU
wifi: iwlwifi: limit printed string from FW file
wifi: iwlwifi: mvm: use the right version of the rate API
wifi: iwlwifi: mvm: don't try to talk to a dead firmware
wifi: iwlwifi: mvm: don't dump the firmware state upon RFKILL while suspend
wifi: iwlwifi: mvm: clean up ROC on failure
wifi: iwlwifi: fw: avoid using an uninitialized variable
wifi: iwlwifi: fw: allocate chained SG tables for dump
wifi: mac80211: remove debugfs dir for virtual monitor
wifi: mac80211: Cleanup sta TXQs on flush
wifi: nl80211: reject cooked mode if it is set along with other flags
====================
Link: https://patch.msgid.link/20250304124435.126272-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Both the APIs in cfg80211 and the implementation in mac80211
aren't really ready yet, we have a large number of fixes. In
addition, it's not possible right now to discover support for
this feature from userspace. Disable it for now, there's no
rush.
Link: https://patch.msgid.link/20250303110538.fbeef42a5687.Iab122c22137e5675ebd99f5c031e30c0e5c7af2e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The name 'netns_local' is confusing. A following commit will export it via
netlink, so let's use a more explicit name.
Reported-by: Eric Dumazet <edumazet@google.com>
Suggested-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Syzbot keeps reporting an issue [1] that occurs when erroneous symbols
sent from userspace get through into user_alpha2[] via
regulatory_hint_user() call. Such invalid regulatory hints should be
rejected.
While a sanity check from commit 47caf685a6 ("cfg80211: regulatory:
reject invalid hints") looks to be enough to deter these very cases,
there is a way to get around it due to 2 reasons.
1) The way isalpha() works, symbols other than latin lower and
upper letters may be used to determine a country/domain.
For instance, greek letters will also be considered upper/lower
letters and for such characters isalpha() will return true as well.
However, ISO-3166-1 alpha2 codes should only hold latin
characters.
2) While processing a user regulatory request, between
reg_process_hint_user() and regulatory_hint_user() there happens to
be a call to queue_regulatory_request() which modifies letters in
request->alpha2[] with toupper(). This works fine for latin symbols,
less so for weird letter characters from the second part of _ctype[].
Syzbot triggers a warning in is_user_regdom_saved() by first sending
over an unexpected non-latin letter that gets malformed by toupper()
into a character that ends up failing isalpha() check.
Prevent this by enhancing is_an_alpha2() to ensure that incoming
symbols are latin letters and nothing else.
[1] Syzbot report:
------------[ cut here ]------------
Unexpected user alpha2: A�
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 is_user_regdom_saved net/wireless/reg.c:440 [inline]
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 restore_alpha2 net/wireless/reg.c:3424 [inline]
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 restore_regulatory_settings+0x3c0/0x1e50 net/wireless/reg.c:3516
Modules linked in:
CPU: 1 UID: 0 PID: 964 Comm: kworker/1:2 Not tainted 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient crda_timeout_work
RIP: 0010:is_user_regdom_saved net/wireless/reg.c:440 [inline]
RIP: 0010:restore_alpha2 net/wireless/reg.c:3424 [inline]
RIP: 0010:restore_regulatory_settings+0x3c0/0x1e50 net/wireless/reg.c:3516
...
Call Trace:
<TASK>
crda_timeout_work+0x27/0x50 net/wireless/reg.c:542
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Reported-by: syzbot+e10709ac3c44f3d4e800@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=e10709ac3c44f3d4e800
Fixes: 09d989d179 ("cfg80211: add regulatory hint disconnect support")
Cc: stable@kernel.org
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://patch.msgid.link/20250228134659.1577656-1-n.zhandarovich@fintech.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently, as multi-link operation(MLO) is not supported for mesh,
reorganize the sinfo structure for mesh-specific fields and embed
mesh related NL attributes together in organized view.
This will allow for the simplified reorganization of sinfo structure
for link level in a subsequent patch to add support for MLO station
statistics.
No functionality changes added.
Pahole summary before the reorg of sinfo structure:
- size: 256, cachelines: 4, members: 50
- sum members: 239, holes: 4, sum holes: 17
- paddings: 2, sum paddings: 2
- forced alignments: 1, forced holes: 1, sum forced holes: 1
Pahole summary after the reorg of sinfo structure:
- size: 248, cachelines: 4, members: 50
- sum members: 239, holes: 4, sum holes: 9
- paddings: 2, sum paddings: 2
- forced alignments: 1, last cacheline: 56 bytes
Signed-off-by: Sarika Sharma <quic_sarishar@quicinc.com>
Link: https://patch.msgid.link/20250213171632.1646538-2-quic_sarishar@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This information is exposed to userspace but not drivers. Make this
field public so that drivers are also able to access it. The information
is for example useful for link selection to determine whether the BSS
corresponding to an MLO link has been seen in a recent scan.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250212082137.b682ee7aebc8.I0f7cca9effa2b1cee79f4f2eb8b549c99b4e0571@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit b35108a51c ("jiffies: Define secs_to_jiffies()") introduced
secs_to_jiffies(). As the value here is a multiple of 1000, use
secs_to_jiffies() instead of msecs_to_jiffies to avoid the multiplication.
This is converted using scripts/coccinelle/misc/secs_to_jiffies.cocci with
the following Coccinelle rules:
@depends on patch@
expression E;
@@
-msecs_to_jiffies(E * 1000)
+secs_to_jiffies(E)
-msecs_to_jiffies(E * MSEC_PER_SEC)
+secs_to_jiffies(E)
Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Link: https://patch.msgid.link/20250219203240.141272-1-eahariha@linux.microsoft.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It is possible to set both MONITOR_FLAG_COOK_FRAMES and MONITOR_FLAG_ACTIVE
flags simultaneously on the same monitor interface from the userspace. This
causes a sub-interface to be created with no IEEE80211_SDATA_IN_DRIVER bit
set because the monitor interface is in the cooked state and it takes
precedence over all other states. When the interface is then being deleted
the kernel calls WARN_ONCE() from check_sdata_in_driver() because of missing
that bit.
Fix this by rejecting MONITOR_FLAG_COOK_FRAMES if it is set along with
other flags.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 66f7ac50ed ("nl80211: Add monitor interface configuration flags")
Cc: stable@vger.kernel.org
Reported-by: syzbot+2e5c1e55b9e5c28a3da7@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=2e5c1e55b9e5c28a3da7
Signed-off-by: Vitaliy Shevtsov <v.shevtsov@mt-integration.ru>
Link: https://patch.msgid.link/20250131152657.5606-1-v.shevtsov@mt-integration.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Unconditionally start to refuse creating cooked monitor interfaces to
phase them out.
There is no feature flag for drivers to opt-in for cooked monitor and
all known users are using/preferring the modern API since the hostapd
release 1.0 in May 2012.
Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Link: https://patch.msgid.link/20250204111352.7004-1-Alexander@wetzel-home.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Here is the big set of driver core and debugfs updates for 6.14-rc1.
It's coming late in the merge cycle as there are a number of merge
conflicts with your tree now, and I wanted to make sure they were
working properly. To resolve them, look in linux-next, and I will send
the "fixup" patch as a response to the pull request.
Included in here is a bunch of driver core, PCI, OF, and platform rust
bindings (all acked by the different subsystem maintainers), hence the
merge conflict with the rust tree, and some driver core api updates to
mark things as const, which will also require some fixups due to new
stuff coming in through other trees in this merge window.
There are also a bunch of debugfs updates from Al, and there is at least
one user that does have a regression with these, but Al is working on
tracking down the fix for it. In my use (and everyone else's linux-next
use), it does not seem like a big issue at the moment.
Here's a short list of the things in here:
- driver core bindings for PCI, platform, OF, and some i/o functions.
We are almost at the "write a real driver in rust" stage now,
depending on what you want to do.
- misc device rust bindings and a sample driver to show how to use
them
- debugfs cleanups in the fs as well as the users of the fs api for
places where drivers got it wrong or were unnecessarily doing things
in complex ways.
- driver core const work, making more of the api take const * for
different parameters to make the rust bindings easier overall.
- other small fixes and updates
All of these have been in linux-next with all of the aforementioned
merge conflicts, and the one debugfs issue, which looks to be resolved
"soon".
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and debugfs updates from Greg KH:
"Here is the big set of driver core and debugfs updates for 6.14-rc1.
Included in here is a bunch of driver core, PCI, OF, and platform rust
bindings (all acked by the different subsystem maintainers), hence the
merge conflict with the rust tree, and some driver core api updates to
mark things as const, which will also require some fixups due to new
stuff coming in through other trees in this merge window.
There are also a bunch of debugfs updates from Al, and there is at
least one user that does have a regression with these, but Al is
working on tracking down the fix for it. In my use (and everyone
else's linux-next use), it does not seem like a big issue at the
moment.
Here's a short list of the things in here:
- driver core rust bindings for PCI, platform, OF, and some i/o
functions.
We are almost at the "write a real driver in rust" stage now,
depending on what you want to do.
- misc device rust bindings and a sample driver to show how to use
them
- debugfs cleanups in the fs as well as the users of the fs api for
places where drivers got it wrong or were unnecessarily doing
things in complex ways.
- driver core const work, making more of the api take const * for
different parameters to make the rust bindings easier overall.
- other small fixes and updates
All of these have been in linux-next with all of the aforementioned
merge conflicts, and the one debugfs issue, which looks to be resolved
"soon""
* tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (95 commits)
rust: device: Use as_char_ptr() to avoid explicit cast
rust: device: Replace CString with CStr in property_present()
devcoredump: Constify 'struct bin_attribute'
devcoredump: Define 'struct bin_attribute' through macro
rust: device: Add property_present()
saner replacement for debugfs_rename()
orangefs-debugfs: don't mess with ->d_name
octeontx2: don't mess with ->d_parent or ->d_parent->d_name
arm_scmi: don't mess with ->d_parent->d_name
slub: don't mess with ->d_name
sof-client-ipc-flood-test: don't mess with ->d_name
qat: don't mess with ->d_name
xhci: don't mess with ->d_iname
mtu3: don't mess wiht ->d_iname
greybus/camera - stop messing with ->d_iname
mediatek: stop messing with ->d_iname
netdevsim: don't embed file_operations into your structs
b43legacy: make use of debugfs_get_aux()
b43: stop embedding struct file_operations into their objects
carl9170: stop embedding file_operations into their objects
...
this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap library
code.
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms some
cleanup and Rust preparation in the xarray library code.
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven fixes
pathnames in some code comments.
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses the
new secs_to_jiffies() in various places where that is appropriate.
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API.
- "Convert ocfs2 to use folios" from Matthew Wilcox does that.
- "Remove get_task_comm() and print task comm directly" from Yafang Shao
removes now-unneeded calls to get_task_comm() in various places.
- "squashfs: reduce memory usage and update docs" from Phillip Lougher
implements some memory savings in squashfs and performs some
maintainability work.
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work.
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented with a
corrupted image.
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc.
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger.
- "minmax.h: Cleanups and minor optimisations" from David Laight
does some maintenance work on the min/max library code.
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance work
on the xarray library code.
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Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Mainly individually changelogged singleton patches. The patch series
in this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap
library code
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms
some cleanup and Rust preparation in the xarray library code
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven
fixes pathnames in some code comments
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses
the new secs_to_jiffies() in various places where that is
appropriate
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API
- "Convert ocfs2 to use folios" from Matthew Wilcox does that
- "Remove get_task_comm() and print task comm directly" from Yafang
Shao removes now-unneeded calls to get_task_comm() in various
places
- "squashfs: reduce memory usage and update docs" from Phillip
Lougher implements some memory savings in squashfs and performs
some maintainability work
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented
with a corrupted image
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger
- "minmax.h: Cleanups and minor optimisations" from David Laight does
some maintenance work on the min/max library code
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance
work on the xarray library code"
* tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (131 commits)
ocfs2: use str_yes_no() and str_no_yes() helper functions
include/linux/lz4.h: add some missing macros
Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent
Xarray: remove repeat check in xas_squash_marks()
Xarray: distinguish large entries correctly in xas_split_alloc()
Xarray: move forward index correctly in xas_pause()
Xarray: do not return sibling entries from xas_find_marked()
ipc/util.c: complete the kernel-doc function descriptions
gcov: clang: use correct function param names
latencytop: use correct kernel-doc format for func params
minmax.h: remove some #defines that are only expanded once
minmax.h: simplify the variants of clamp()
minmax.h: move all the clamp() definitions after the min/max() ones
minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()
minmax.h: reduce the #define expansion of min(), max() and clamp()
minmax.h: update some comments
minmax.h: add whitespace around operators and after commas
nilfs2: do not update mtime of renamed directory that is not moved
nilfs2: handle errors that nilfs_prepare_chunk() may return
CREDITS: fix spelling mistake
...
In 'cfg80211_scan_6ghz()', an instances of 'struct cfg80211_colocated_ap'
are allocated as if they would have 'ssid' as trailing VLA member. Since
this is not so, extra IEEE80211_MAX_SSID_LEN bytes are not needed.
Briefly tested with KUnit.
Fixes: c8cb5b854b ("nl80211/cfg80211: support 6 GHz scanning")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20250113155417.552587-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Existing primitive has several problems:
1) calling conventions are clumsy - it returns a dentry reference
that is either identical to its second argument or is an ERR_PTR(-E...);
in both cases no refcount changes happen. Inconvenient for users and
bug-prone; it would be better to have it return 0 on success and -E... on
failure.
2) it allows cross-directory moves; however, no such caller have
ever materialized and considering the way debugfs is used, it's unlikely
to happen in the future. What's more, any such caller would have fun
issues to deal with wrt interplay with recursive removal. It also makes
the calling conventions clumsier...
3) tautological rename fails; the callers have no race-free way
to deal with that.
4) new name must have been formed by the caller; quite a few
callers have it done by sprintf/kasprintf/etc., ending up with considerable
boilerplate.
Proposed replacement: int debugfs_change_name(dentry, fmt, ...). All callers
convert to that easily, and it's simpler internally.
IMO debugfs_rename() should go; if we ever get a real-world use case for
cross-directory moves in debugfs, we can always look into the right way
to handle that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20250112080705.141166-21-viro@zeniv.linux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for configuring Emergency Preparedness Communication
Services (EPCS) for station mode.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.ea54ac94445c.I11d750188bc0871e13e86146a3b5cc048d853e69@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
And move it to a separate function so it could later be reused for
dynamic addition of links.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.1e9c1873796a.I27a51c8c1d455f0a6d5b59f93f2c9ac49282febb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since the wiphy_guard changes, rdev_start_radar_detection's return value
in nl80211_start_radar_detection is ignored and we always returned 0.
Fixes: f42d22d3f7 ("wifi: cfg80211: define and use wiphy guard")
Signed-off-by: Nicolas Escande <nico.escande@gmail.com>
Link: https://patch.msgid.link/20250109161040.325742-1-nico.escande@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The kernel performs several regulatory checks for AP mode in
nl80211/cfg80211. These checks include radar detection,
verification of whether the sub-channel is disabled, and
an examination to determine if the channel is a DFS channel
(both DFS usable and DFS available). These checks are
performed across a frequency range, examining each sub-channel.
However, these checks are also performed on subchannels that
have been punctured which should not be examined as they are
not in use.
This leads to the issue where the AP stops because one of
the 20 MHz sub-channels is disabled or radar detected on
the channel, even when the sub-channel is punctured.
To address this issue, add a condition check wherever
regulatory checks exist for AP mode in nl80211/cfg80211.
This check identifies punctured channels and, upon finding
them, skips the regulatory checks for those channels.
Co-developed-by: Manaswini Paluri <quic_mpaluri@quicinc.com>
Signed-off-by: Manaswini Paluri <quic_mpaluri@quicinc.com>
Signed-off-by: Kavita Kavita <quic_kkavita@quicinc.com>
Link: https://patch.msgid.link/20250109050409.25351-1-quic_kkavita@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently the SAE_H2E selector already exists, which needs to be
implemented by the SME. As new such selectors might be added in the
future, add a feature to permit userspace to report a selector as
supported.
If not given, the kernel should assume that userspace does support
SAE_H2E.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.fe67b871cc39.Ieb98390328927e998e612345a58b6dbc00b0e3a2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Check that additionally extended MLD capa/ops for the MLD is
consistent, i.e. the same value is reported by all affiliated
APs/links.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.e29f42c7ae21.Ib2cdce608321ad154e4b13103cc315c3e3cb6b2b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There really shouldn't be duplicate entries when we give
the list to the driver, and since we already have a list
it's easy to avoid.
While at it, remove the unnecessary allocation there.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.b0012c70f503.Id6fcad979434c1437340aa283abae2906345cca1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
According to Draft P802.11be_D7.0 clause 35.3.4.2, if a multi-link
request requests an MLD with which an AP corresponding to the
nontransmitted BSSID, the corresponding multi-link probe response
shall carry a basic multi-mink element of that MLD in the frame body
of the multi-link probe response, whose location is outside of the
Multiple BSSID element carried in the frame.
Therefore additional handing is needed for parsing multi-link probe
response and generating the merged elements so that the MLD in the frame
body can be correctly copied to the generated elements. Otherwise, the
nontransmitted BSS looks like non-MLD.
Signed-off-by: Money Wang <money.wang@mediatek.com>
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Link: https://patch.msgid.link/20241225073725.847062-1-michael-cy.lee@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since task->comm is guaranteed to be NUL-terminated, we can print it
directly without the need to copy it into a separate buffer. This
simplifies the code and avoids unnecessary operations.
Link: https://lkml.kernel.org/r/20241219023452.69907-4-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "André Almeida" <andrealmeid@igalia.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Danilo Krummrich <dakr@redhat.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tvrtko Ursulin <tursulin@ursulin.net>
Cc: Vineet Gupta <vgupta@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
