For the follow up patch, we need to properly parse TTLM entries that do
not have a switch time. Change the logic so that ieee80211_parse_adv_t2l
returns usable values in all non-error cases. Before the values filled
in were technically incorrect but enough for ieee80211_process_adv_ttlm.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-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/20260118093904.ccd324e2dd59.I69f0bee0a22e9b11bb95beef313e305dab17c051@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In reconfig, in case the driver asks to disconnect during the reconfig,
all the keys of the interface are marked as tainted.
Then ieee80211_reenable_keys will loop over all the interface keys, and
for each one it will
a) increment crypto_tx_tailroom_needed_cnt
b) call ieee80211_key_enable_hw_accel, which in turn will detect that
this key is tainted, so it will mark it as "not in hardware", which is
paired with crypto_tx_tailroom_needed_cnt incrementation, so we get two
incrementations for each tainted key.
Then we get a warning in ieee80211_free_keys.
To fix it, don't increment the count in ieee80211_reenable_keys for
tainted keys
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260118092821.4ca111fddcda.Id6e554f4b1c83760aa02d5a9e4e3080edb197aa2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
S1G beacons don't contain the DA field as per IEEE80211-2024 9.3.4.3,
so the DA broadcast check reads the SA address of the S1G beacon which
will subsequently lead to the beacon being dropped. As a result, passive
scanning is not possible. Fix this by only performing the check on
non-S1G beacons to allow S1G long beacons to be processed during a
passive scan.
Fixes: ddf82e752f ("wifi: mac80211: Allow beacons to update BSS table regardless of scan")
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20260120031122.309942-1-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
A collection of small bug fixes in ath10k and ath12k.
Note to maintainers:
This tag includes:
3170757210 ("wifi: ath12k: Fix wrong P2P device link id issue")
That commit contains the following:
Note to linux-next and netdev maintainers:
This patch going through the "current" tree conflicts with
the following going through the "next" tree:
commit 631ee338f0 ("Merge branch 'ath12k-ng' into ath-next")
The conflict resolution is to leave the following file unmodified:
drivers/net/wireless/ath/ath12k/mac.
And to apply the following patch to ath12k_wifi7_mac_op_tx()
in the file drivers/net/wireless/ath/ath12k/wifi7/hw.c -705,7 +705,10
return;
}
} else {
- link_id = 0;
+ if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
+ link_id = ATH12K_FIRST_SCAN_LINK;
+ else
+ link_id = 0;
}
arvif = rcu_dereference(ahvif->link[link_id]);
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Merge tag 'ath-current-20260113' of git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath into wireless
Jeff Johnson says:
==================
ath.git update for v6.19-rc6
A collection of small bug fixes in ath10k and ath12k.
==================
Link: https://patch.msgid.link/98386125-c0bb-495e-b2ba-2765aaed19d8@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Wrong P2P device link id value of 0 was introduced in ath12k_mac_op_tx() by [1].
During the P2P negotiation process, there is only one scan vdev with link ID 15.
Currently, the device link ID is incorrectly set to 0 in ath12k_mac_op_tx()
during the P2P negotiation process, which leads to TX failures.
Set the correct P2P device link ID to 15 to fix the TX failure issue.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
Fixes: 648a121baf ("wifi: ath12k: ath12k_mac_op_tx(): MLO support") # [1]
Signed-off-by: Yingying Tang <yingying.tang@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Cc: linux-next@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: https://patch.msgid.link/20260113054636.2620035-1-yingying.tang@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
---
Note to linux-next and netdev maintainers:
This patch going through the "current" tree conflicts with
the following going through the "next" tree:
commit 631ee338f0 ("Merge branch 'ath12k-ng' into ath-next")
The conflict resolution is to leave the following file unmodified:
drivers/net/wireless/ath/ath12k/mac.
And to apply the following patch to ath12k_wifi7_mac_op_tx()
in the file drivers/net/wireless/ath/ath12k/wifi7/hw.c -705,7 +705,10
return;
}
} else {
- link_id = 0;
+ if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
+ link_id = ATH12K_FIRST_SCAN_LINK;
+ else
+ link_id = 0;
}
arvif = rcu_dereference(ahvif->link[link_id]);
Commit [1] converted the management transmission work item into a
wiphy work. Since a wiphy work can only run under wiphy lock
protection, a race condition happens in below scenario:
1. a management frame is queued for transmission.
2. ath12k_mac_op_flush() gets called to flush pending frames associated
with the hardware (i.e, vif being NULL). Then in ath12k_mac_flush()
the process waits for the transmission done.
3. Since wiphy lock has been taken by the flush process, the transmission
work item has no chance to run, hence the dead lock.
>From user view, this dead lock results in below issue:
wlp8s0: authenticate with xxxxxx (local address=xxxxxx)
wlp8s0: send auth to xxxxxx (try 1/3)
wlp8s0: authenticate with xxxxxx (local address=xxxxxx)
wlp8s0: send auth to xxxxxx (try 1/3)
wlp8s0: authenticated
wlp8s0: associate with xxxxxx (try 1/3)
wlp8s0: aborting association with xxxxxx by local choice (Reason: 3=DEAUTH_LEAVING)
ath12k_pci 0000:08:00.0: failed to flush mgmt transmit queue, mgmt pkts pending 1
The dead lock can be avoided by invoking wiphy_work_flush() to proactively
run the queued work item. Note actually it is already present in
ath12k_mac_op_flush(), however it does not protect the case where vif
being NULL. Hence move it ahead to cover this case as well.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
Fixes: 56dcbf0b52 ("wifi: ath12k: convert struct ath12k::wmi_mgmt_tx_work to struct wiphy_work") # [1]
Reported-by: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220959
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20260113-ath12k-fix-dead-lock-while-flushing-v1-1-9713621f3a0f@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Scan finish workqueue was introduced in __ath12k_mac_scan_finish() by [1].
During ath12k_mac_op_cancel_remain_on_channel(), scan state is set to
ABORTING and should be reset to IDLE in the queued work. However,
wiphy_work_cancel() is called before exiting
ath12k_mac_op_cancel_remain_on_channel(), which prevents the work
from running and leaves the state in ABORTING. This blocks all
subsequent scan requests.
Replace wiphy_work_cancel() with wiphy_work_flush() to ensure the
queued work runs and scan state is reset to IDLE.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
Fixes: 3863f014ad ("wifi: ath12k: symmetrize scan vdev creation and deletion during HW scan") # [1]
Signed-off-by: Yingying Tang <yingying.tang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260112115516.2144219-1-yingying.tang@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Cancel the scheduled scan request only on the vdev that has an active
scan running. Currently, ahvif->links_map is used to obtain the links,
but this includes links for which no scan is scheduled. In failure cases
where the scan fails due to an invalid channel definition, other links
which are not yet brought up (vdev not created) may also be accessed,
leading to the following trace:
Unable to handle kernel paging request at virtual address 0000000000004c8c
pc : _raw_spin_lock_bh+0x1c/0x54
lr : ath12k_scan_abort+0x20/0xc8 [ath12k]
Call trace:
_raw_spin_lock_bh+0x1c/0x54 (P)
ath12k_mac_op_cancel_hw_scan+0xac/0xc4 [ath12k]
ieee80211_scan_cancel+0xcc/0x12c [mac80211]
ieee80211_do_stop+0x6c4/0x7a8 [mac80211]
ieee80211_stop+0x60/0xd8 [mac80211]
Skip links that are not created or are not the current scan vdev. This
ensures only the scan for the matching links is aborted and avoids
aborting unrelated links during cancellation, thus aligning with how
start/cleanup manage ar->scan.arvif.
Also, remove the redundant arvif->is_started check from
ath12k_mac_op_cancel_hw_scan() that was introduced in commit 3863f014ad
("wifi: ath12k: symmetrize scan vdev creation and deletion during HW
scan") to avoid deleting the scan interface if the scan is triggered on
the existing AP vdev as this use case is already handled in
ath12k_scan_vdev_clean_work().
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
Fixes: feed05f152 ("wifi: ath12k: Split scan request for split band device")
Signed-off-by: Manish Dharanenthiran <manish.dharanenthiran@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20260107-scan_vdev-v1-1-b600aedc645a@qti.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
The "i" iterator variable is used to count two different things but
unfortunately we can't store two different numbers in the same variable.
Use "i" for the outside loop and "j" for the inside loop.
Cc: stable@vger.kernel.org
Fixes: d219b7eb37 ("mwifiex: handle BT coex event to adjust Rx BA window size")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jeff Chen <jeff.chen_1@nxp.com>
Link: https://patch.msgid.link/aWAM2MGUWRP0zWUd@stanley.mountain
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We are not adding an interface if an existing one is doing CSA.
But the check won't work for MLO station interfaces, since for those,
vif->bss_conf is zeroed out.
Fix this by checking if any link of the vif has an active CSA.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260111191912.7ceff62fc561.Ia38d27f42684d1cfd82d930d232bd5dea6ab9282@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
An integer overflow occurs in cfg80211_calculate_bitrate_he() when
calculating bitrates for high throughput HE configurations.
For example, with 160 MHz bandwidth, HE-MCS 13, HE-NSS 4, and HE-GI 0,
the multiplication (result * rate->nss) overflows the 32-bit 'result'
variable before division by 8, leading to significantly underestimated
bitrate values.
The overflow occurs because the NSS multiplication operates on a 32-bit
integer that cannot accommodate intermediate values exceeding
4,294,967,295. When overflow happens, the value wraps around, producing
incorrect bitrates for high MCS and NSS combinations.
Fix this by utilizing the 64-bit 'tmp' variable for the NSS
multiplication and subsequent divisions via do_div(). This approach
preserves full precision throughout the entire calculation, with the
final value assigned to 'result' only after completing all operations.
Signed-off-by: Veerendranath Jakkam <veerendranath.jakkam@oss.qualcomm.com>
Link: https://patch.msgid.link/20260109-he_bitrate_overflow-v1-1-95575e466b6e@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The struct ieee80211_vif contains trailing space for vif driver data,
when struct ieee80211_vif is allocated, the total memory size that is
allocated is sizeof(struct ieee80211_vif) + size of vif driver data.
The size of vif driver data is set by each WiFi driver as needed.
The RSI911x driver does not set vif driver data size, no trailing space
for vif driver data is therefore allocated past struct ieee80211_vif .
The RSI911x driver does however use the vif driver data to store its
vif driver data structure "struct vif_priv". An access to vif->drv_priv
leads to access out of struct ieee80211_vif bounds and corruption of
some memory.
In case of the failure observed locally, rsi_mac80211_add_interface()
would write struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv;
vif_info->vap_id = vap_idx. This write corrupts struct fq_tin member
struct list_head new_flows . The flow = list_first_entry(head, struct
fq_flow, flowchain); in fq_tin_reset() then reports non-NULL bogus
address, which when accessed causes a crash.
The trigger is very simple, boot the machine with init=/bin/sh , mount
devtmpfs, sysfs, procfs, and then do "ip link set wlan0 up", "sleep 1",
"ip link set wlan0 down" and the crash occurs.
Fix this by setting the correct size of vif driver data, which is the
size of "struct vif_priv", so that memory is allocated and the driver
can store its driver data in it, instead of corrupting memory around
it.
Cc: stable@vger.kernel.org
Fixes: dad0d04fa7 ("rsi: Add RS9113 wireless driver")
Signed-off-by: Marek Vasut <marex@nabladev.com>
Link: https://patch.msgid.link/20260109235817.150330-1-marex@nabladev.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
freq_to_idx() is used to map a channel to a survey index. Commit
acc152f9be ("wifi: ath12k: combine channel list for split-phy devices in
single-wiphy") adds radio specific frequency range check in this helper to
make sure an invalid index is returned if the channel falls outside that
range. However, this check introduces a race, resulting in below warnings
as reported in [1].
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6455 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6535 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6615 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6695 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6775 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6855 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6935 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 7015 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 7095 (idx 101 out of bounds)
ath12k_pci 0000:08:00.0: chan info: invalid frequency 6435 (idx 101 out of bounds)
Race scenario:
1) A regdomain covering below frequency range is uploaded to host via
WMI_REG_CHAN_LIST_CC_EXT_EVENTID event:
Country 00, CFG Regdomain UNSET FW Regdomain 0, num_reg_rules 6
1. (2402 - 2472 @ 40) (0, 20) (0 ms) (FLAGS 360448) (0, 0)
2. (2457 - 2477 @ 20) (0, 20) (0 ms) (FLAGS 360576) (0, 0)
3. (5170 - 5330 @ 160) (0, 20) (0 ms) (FLAGS 264320) (0, 0)
4. (5490 - 5730 @ 160) (0, 20) (0 ms) (FLAGS 264320) (0, 0)
5. (5735 - 5895 @ 160) (0, 20) (0 ms) (FLAGS 264320) (0, 0)
6. (5925 - 7125 @ 320) (0, 24) (0 ms) (FLAGS 2056) (0, 255)
As a result, radio frequency range is updated as [2402, 7125]
ath12k_pci 0000:08:00.0: mac pdev 0 freq limit updated. New range 2402->7125 MHz
If no scan in progress or after scan finished, command
WMI_SCAN_CHAN_LIST_CMDID is sent to firmware notifying that firmware
is allowed to do scan on all channels within that range.
The running path is:
/* redomain uploaded */
1. WMI_REG_CHAN_LIST_CC_EXT_EVENTID
2. ath12k_reg_chan_list_event()
3. ath12k_reg_handle_chan_list()
4. queue_work(..., &ar->regd_update_work)
5. ath12k_regd_update_work()
6. ath12k_regd_update()
/* update radio frequency range */
7. ath12k_mac_update_freq_range()
8. regulatory_set_wiphy_regd()
9. ath12k_reg_notifier()
10. ath12k_reg_update_chan_list()
11. queue_work(..., &ar->regd_channel_update_work)
12. ath12k_regd_update_chan_list_work()
/* wait scan finishes */
13. wait_for_completion_timeout(&ar->scan.completed, ...)
/* command notifying list of valid channels */
14. ath12k_wmi_send_scan_chan_list_cmd()
2) Hardware scan is triggered on all allowed channels.
3) Before scan completed, 11D mechanism detects a new country code
ath12k_pci 0000:08:00.0: wmi 11d new cc GB
With this code sent to firmware, firmware uploads a new regdomain
Country GB, CFG Regdomain ETSI FW Regdomain 2, num_reg_rules 9
1. (2402 - 2482 @ 40) (0, 20) (0 ms) (FLAGS 360448) (0, 0)
2. (5170 - 5250 @ 80) (0, 23) (0 ms) (FLAGS 264192) (0, 0)
3. (5250 - 5330 @ 80) (0, 23) (0 ms) (FLAGS 264216) (0, 0)
4. (5490 - 5590 @ 80) (0, 30) (0 ms) (FLAGS 264208)
5. (5590 - 5650 @ 40) (0, 30) (600000 ms) (FLAGS 264208)
6. (5650 - 5730 @ 80) (0, 30) (0 ms) (FLAGS 264208)
7. (5735 - 5875 @ 80) (0, 14) (0 ms) (FLAGS 264192) (0, 0)
8. (5855 - 5875 @ 20) (0, 14) (0 ms) (FLAGS 264192) (0, 0)
9. (5945 - 6425 @ 320) (0, 24) (0 ms) (FLAGS 2056) (0, 11)
Then radio frequency range is updated as [2402, 6425]
ath12k_pci 0000:08:00.0: mac pdev 0 freq limit updated. New range 2402->6425 MHz
Please note this is a smaller range than the previous one. Later host
runs the same path for the purpose of notifying the new channel list.
However since scan not completed, host just waits there. Meanwhile,
firmware is possibly scanning channels outside the new range. As a
result, WMI_CHAN_INFO_EVENTID events for those channels fail
freq_to_idx() check and triggers warnings above.
Fix this issue by removing radio frequency check in freq_to_idx(). This is
valid because channels being scanned do not synchronize with frequency
range update. Besides, this won't cause any problem, since freq_to_idx()
is only used for survey data. Even out-of-range channels filled in the
survey, they won't get delivered to userspace due to the range check
already there in ath12k_mac_op_get_survey().
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
Fixes: acc152f9be ("wifi: ath12k: combine channel list for split-phy devices in single-wiphy")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220871 # 1
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260108-ath12k-fix-freq-to-idx-v1-1-b2458cf7aa0d@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XXX_unaligned fields. Those should be reused when freeing
the buffer rather than the aligned addresses.
Fixes: d889913205 ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260106084905.18622-2-fourier.thomas@gmail.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XXX_unaligned fields. Those should be reused when freeing
the buffer rather than the aligned addresses.
Fixes: 2a1e1ad3fd ("ath10k: Add support for 64 bit ce descriptor")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260105210439.20131-2-fourier.thomas@gmail.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Current release - fix to a fix:
- net: do not write to msg_get_inq in callee
- arp: do not assume dev_hard_header() does not change skb->head
Current release - regressions:
- wifi: mac80211: don't iterate not running interfaces
- eth: mlx5: fix NULL pointer dereference in ioctl module EEPROM
Current release - new code bugs:
- eth: bnge: add AUXILIARY_BUS to Kconfig dependencies
Previous releases - regressions:
- eth: mlx5: dealloc forgotten PSP RX modify header
Previous releases - always broken:
- ping: fix ICMP out SNMP stats double-counting with ICMP sockets
- bonding: preserve NETIF_F_ALL_FOR_ALL across TSO updates
- bridge: fix C-VLAN preservation in 802.1ad vlan_tunnel egress
- eth: bnxt: fix potential data corruption with HW GRO/LRO
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and wireless.
Current release - fix to a fix:
- net: do not write to msg_get_inq in callee
- arp: do not assume dev_hard_header() does not change skb->head
Current release - regressions:
- wifi: mac80211: don't iterate not running interfaces
- eth: mlx5: fix NULL pointer dereference in ioctl module EEPROM
Current release - new code bugs:
- eth: bnge: add AUXILIARY_BUS to Kconfig dependencies
Previous releases - regressions:
- eth: mlx5: dealloc forgotten PSP RX modify header
Previous releases - always broken:
- ping: fix ICMP out SNMP stats double-counting with ICMP sockets
- bonding: preserve NETIF_F_ALL_FOR_ALL across TSO updates
- bridge: fix C-VLAN preservation in 802.1ad vlan_tunnel egress
- eth: bnxt: fix potential data corruption with HW GRO/LRO"
* tag 'net-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
arp: do not assume dev_hard_header() does not change skb->head
net: enetc: fix build warning when PAGE_SIZE is greater than 128K
atm: Fix dma_free_coherent() size
tools: ynl: don't install tests
net: do not write to msg_get_inq in callee
bnxt_en: Fix NULL pointer crash in bnxt_ptp_enable during error cleanup
net: usb: pegasus: fix memory leak in update_eth_regs_async()
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset
wifi: mac80211: collect station statistics earlier when disconnect
wifi: mac80211: restore non-chanctx injection behaviour
wifi: mac80211_hwsim: disable BHs for hwsim_radio_lock
wifi: mac80211: don't iterate not running interfaces
wifi: mac80211_hwsim: fix typo in frequency notification
wifi: avoid kernel-infoleak from struct iw_point
net: airoha: Fix schedule while atomic in airoha_ppe_deinit()
selftests: netdevsim: add carrier state consistency test
net: netdevsim: fix inconsistent carrier state after link/unlink
selftests: drv-net: Bring back tool() to driver __init__s
net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy
...
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2026-01-06 (idpf)
This series contains updates to idpf driver only.
Emil fixes issues related to resets; among them timeouts, NULL pointer
dereferences, and memory leaks.
Sreedevi resolves issues around RSS; mainly involving operations when
the interface is down and resets. She also addresses some incomplete
cleanups for ntuple filters and interrupts.
Erik fixes incomplete output of ntuple filters.
Josh sets restriction of Rx buffer size to follow hardware restrictions.
Larysa adds check to prevent NULL pointer dereference when RDMA is not
enabled.
* '200GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
idpf: fix aux device unplugging when rdma is not supported by vport
idpf: cap maximum Rx buffer size
idpf: Fix error handling in idpf_vport_open()
idpf: Fix RSS LUT NULL ptr issue after soft reset
idpf: Fix RSS LUT configuration on down interfaces
idpf: Fix RSS LUT NULL pointer crash on early ethtool operations
idpf: fix issue with ethtool -n command display
idpf: fix memory leak of flow steer list on rmmod
idpf: fix error handling in the init_task on load
idpf: fix memory leak in idpf_vc_core_deinit()
idpf: fix memory leak in idpf_vport_rel()
idpf: detach and close netdevs while handling a reset
idpf: keep the netdev when a reset fails
====================
Link: https://patch.msgid.link/20260107000648.1861994-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The max buffer size of ENETC RX BD is 0xFFFF bytes, so if the PAGE_SIZE
is greater than 128K, ENETC_RXB_DMA_SIZE and ENETC_RXB_DMA_SIZE_XDP will
be greater than 0xFFFF, thus causing a build warning.
This will not cause any practical issues because ENETC is currently only
used on the ARM64 platform, and the max PAGE_SIZE is 64K. So this patch
is only for fixing the build warning that occurs when compiling ENETC
drivers for other platforms.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601050637.kHEKKOG7-lkp@intel.com/
Fixes: e59bc32df2 ("net: enetc: correct the value of ENETC_RXB_TRUESIZE")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260107091204.1980222-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- mac80211:
- long-standing injection bug due to chanctx rework
- more recent interface iteration issue
- collect statistics before removing stations
- hwsim:
- fix NAN frequency typo (potential NULL ptr deref)
- fix locking of radio lock (needs softirqs disabled)
- wext:
- ancient issue with compat and events copying some
uninitialized stack data to userspace
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Merge tag 'wireless-2026-01-08' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Couple of fixes:
- mac80211:
- long-standing injection bug due to chanctx rework
- more recent interface iteration issue
- collect statistics before removing stations
- hwsim:
- fix NAN frequency typo (potential NULL ptr deref)
- fix locking of radio lock (needs softirqs disabled)
- wext:
- ancient issue with compat and events copying some
uninitialized stack data to userspace
* tag 'wireless-2026-01-08' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: collect station statistics earlier when disconnect
wifi: mac80211: restore non-chanctx injection behaviour
wifi: mac80211_hwsim: disable BHs for hwsim_radio_lock
wifi: mac80211: don't iterate not running interfaces
wifi: mac80211_hwsim: fix typo in frequency notification
wifi: avoid kernel-infoleak from struct iw_point
====================
Link: https://patch.msgid.link/20260108140141.139687-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The size of the buffer is not the same when alloc'd with
dma_alloc_coherent() in he_init_tpdrq() and freed.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20260107090141.80900-2-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
make's install target is meant for installing the production
artifacts, AFAIU. Don't install test_ynl_cli and test_ynl_ethtool
from under the main YNL install target. The install target
under tests/ is retained in case someone wants the tests
to be installed.
Fixes: 308b7dee3e ("tools: ynl: add YNL test framework")
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20260106163426.1468943-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
NULL pointer dereference fix.
msg_get_inq is an input field from caller to callee. Don't set it in
the callee, as the caller may not clear it on struct reuse.
This is a kernel-internal variant of msghdr only, and the only user
does reinitialize the field. So this is not critical for that reason.
But it is more robust to avoid the write, and slightly simpler code.
And it fixes a bug, see below.
Callers set msg_get_inq to request the input queue length to be
returned in msg_inq. This is equivalent to but independent from the
SO_INQ request to return that same info as a cmsg (tp->recvmsg_inq).
To reduce branching in the hot path the second also sets the msg_inq.
That is WAI.
This is a fix to commit 4d1442979e ("af_unix: don't post cmsg for
SO_INQ unless explicitly asked for"), which fixed the inverse.
Also avoid NULL pointer dereference in unix_stream_read_generic if
state->msg is NULL and msg->msg_get_inq is written. A NULL state->msg
can happen when splicing as of commit 2b514574f7 ("net: af_unix:
implement splice for stream af_unix sockets").
Also collapse two branches using a bitwise or.
Cc: stable@vger.kernel.org
Fixes: 4d1442979e ("af_unix: don't post cmsg for SO_INQ unless explicitly asked for")
Link: https://lore.kernel.org/netdev/willemdebruijn.kernel.24d8030f7a3de@gmail.com/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260106150626.3944363-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When bnxt_init_one() fails during initialization (e.g.,
bnxt_init_int_mode returns -ENODEV), the error path calls
bnxt_free_hwrm_resources() which destroys the DMA pool and sets
bp->hwrm_dma_pool to NULL. Subsequently, bnxt_ptp_clear() is called,
which invokes ptp_clock_unregister().
Since commit a60fc3294a ("ptp: rework ptp_clock_unregister() to
disable events"), ptp_clock_unregister() now calls
ptp_disable_all_events(), which in turn invokes the driver's .enable()
callback (bnxt_ptp_enable()) to disable PTP events before completing the
unregistration.
bnxt_ptp_enable() attempts to send HWRM commands via bnxt_ptp_cfg_pin()
and bnxt_ptp_cfg_event(), both of which call hwrm_req_init(). This
function tries to allocate from bp->hwrm_dma_pool, causing a NULL
pointer dereference:
bnxt_en 0000:01:00.0 (unnamed net_device) (uninitialized): bnxt_init_int_mode err: ffffffed
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
Call Trace:
__hwrm_req_init (drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c:72)
bnxt_ptp_enable (drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:323 drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:517)
ptp_disable_all_events (drivers/ptp/ptp_chardev.c:66)
ptp_clock_unregister (drivers/ptp/ptp_clock.c:518)
bnxt_ptp_clear (drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:1134)
bnxt_init_one (drivers/net/ethernet/broadcom/bnxt/bnxt.c:16889)
Lines are against commit f8f9c1f4d0 ("Linux 6.19-rc3")
Fix this by clearing and unregistering ptp (bnxt_ptp_clear()) before
freeing HWRM resources.
Suggested-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Breno Leitao <leitao@debian.org>
Fixes: a60fc3294a ("ptp: rework ptp_clock_unregister() to disable events")
Cc: stable@vger.kernel.org
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/20260106-bnxt-v3-1-71f37e11446a@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When asynchronously writing to the device registers and if usb_submit_urb()
fail, the code fail to release allocated to this point resources.
Fixes: 323b34963d ("drivers: net: usb: pegasus: fix control urb submission")
Signed-off-by: Petko Manolov <petkan@nucleusys.com>
Link: https://patch.msgid.link/20260106084821.3746677-1-petko.manolov@konsulko.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
pdev can be null and free_ring: can be called in 1297 with a null
pdev.
Fixes: 55c82617c3 ("3c59x: convert to generic DMA API")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20260106094731.25819-2-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'hid-for-linus-2026010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- build fix for HID-BPF (Benjamin Tissoires)
- fix for potential buffer overflow in i2c-hid (Kwok Kin Ming)
- a couple of selftests/hid fixes (Peter Hutterer)
- fix for handling pressure pads in hid-multitouch (Peter Hutterer)
- fix for potential NULL pointer dereference in intel-thc-hid (Even Xu)
- fix for interrupt delay control in intel-thc-hid (Even Xu)
- fix finger release detection on some VTL-class touchpads (DaytonCL)
- fix for correct enumeration on intel-ish-hid systems with no sensors
(Zhang Lixu)
- assorted device ID additions and device-specific quirks
* tag 'hid-for-linus-2026010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (21 commits)
HID: logitech: add HID++ support for Logitech MX Anywhere 3S
HID: Elecom: Add support for ELECOM M-XT3DRBK (018C)
HID: quirks: work around VID/PID conflict for appledisplay
HID: Apply quirk HID_QUIRK_ALWAYS_POLL to Edifier QR30 (2d99:a101)
HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
selftests/hid: add a test for the Digitizer/Button Type pressurepad
selftests/hid: use a enum class for the different button types
selftests/hid: require hidtools 0.12
HID: multitouch: set INPUT_PROP_PRESSUREPAD based on Digitizer/Button Type
HID: quirks: Add another Chicony HP 5MP Cameras to hid_ignore_list
HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer
hid: intel-thc-hid: Select SGL_ALLOC
selftests/hid: fix bpf compilations due to -fms-extensions
HID: bpf: fix bpf compilation with -fms-extensions
HID: Intel-thc-hid: Intel-thc: Fix wrong register reading
HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL
HID: intel-ish-hid: Reset enum_devices_done before enumeration
HID: intel-ish-hid: Update ishtp bus match to support device ID table
HID: Intel-thc-hid: Intel-thc: fix dma_unmap_sg() nents value
HID: playstation: Center initial joystick axes to prevent spurious events
...
A collection of small device-specific fixes.
* ASoC Intel topology fixes for conflicting Bluetooth bits
* Cleanups of ASoC drivers for superfluous NULL checks
* Fix for error handling in the AC97 bus
* A regression fix for TAS2781 speaker ID handling
* HD-audio quirks
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Merge tag 'sound-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small device-specific fixes:
- ASoC Intel topology fixes for conflicting Bluetooth bits
- Cleanups of ASoC drivers for superfluous NULL checks
- Fix for error handling in the AC97 bus
- A regression fix for TAS2781 speaker ID handling
- HD-audio quirks"
* tag 'sound-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: add HP Laptop 15s-eq1xxx mute LED quirk
ALSA: hda/realtek: Add quirk for Acer Nitro AN517-55
ALSA: hda/tas2781: properly initialize speaker_id for TAS2563
ALSA: ac97: fix a double free in snd_ac97_controller_register()
ASoC: sun4i-spdif: Add missing kerneldoc fields for sun4i_spdif_quirks
ASoC: codecs: pm4125: clean up bind() device reference handling
ASoC: soc_sdw_utils: drop bogus container_of() error handling
ASoC: codecs: wcd937x: drop bogus container_of() error handling
ASoC: codecs: pm4125: drop bogus container_of() error handling
ASoC: SOF: Intel: add -bt tplg suffix if BT is present
ASoC: Intel: sof_sdw: shift SSP BT mask bits.
In __sta_info_destroy_part2(), station statistics are requested after the
IEEE80211_STA_NONE -> IEEE80211_STA_NOTEXIST transition. This is
problematic because the driver may be unable to handle the request due to
the STA being in the NOTEXIST state (i.e. if the driver destroys the
underlying data when transitioning to NOTEXIST).
Move the statistics collection to before the state transition to avoid
this issue.
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20251222-mac80211-move-station-stats-collection-earlier-v1-1-12cd4e42c633@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
During the transition to use channel contexts throughout, the
ability to do injection while in monitor mode concurrent with
another interface was lost, since the (virtual) monitor won't
have a chanctx assigned in this scenario.
It's harder to fix drivers that actually transitioned to using
channel contexts themselves, such as mt76, but it's easy to do
those that are (still) just using the emulation. Do that.
Cc: stable@vger.kernel.org
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218763
Reported-and-tested-by: Oscar Alfonso Diaz <oscar.alfonso.diaz@gmail.com>
Fixes: 0a44dfc070 ("wifi: mac80211: simplify non-chanctx drivers")
Link: https://patch.msgid.link/20251216105242.18366-2-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
for_each_chanctx_user_* was introdcued as a replacement for
for_each_sdata_link, which visits also other chanctx users that are not
link.
for_each_sdata_link skips not running interfaces, do the same for
for_each_chanctx_user_*
Fixes: 1ce954c98b ("wifi: mac80211: add and use chanctx usage iteration")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260107143736.55c084e2a976.I38b7b904a135dadca339321923b501b2c2c5c8c0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The NAN notification is for 5745 MHz which corresponds to channel 149
and not 5475 which is not actually a valid channel. This could result in
a NULL pointer dereference in cfg80211_next_nan_dw_notif.
Fixes: a37a6f5443 ("wifi: mac80211_hwsim: Add simulation support for NAN device")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260107143652.7dab2035836f.Iacbaf7bb94ed5c14a0928a625827e4137d8bfede@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
I've acquired a Logitech MX Anywhere 3S mouse, which supports HID++ over
Bluetooth. Adding its PID 0xb037 to the allowlist enables the additional
features, such as high-resolution scrolling. Tested working across multiple
machines, with a mix of Intel and Mediatek Bluetooth chips.
[jkosina@suse.com: standardize shortlog]
Signed-off-by: Dennis Marttinen <twelho@welho.tech>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
airoha_ppe_deinit() runs airoha_npu_ppe_deinit() in atomic context.
airoha_npu_ppe_deinit routine allocates ppe_data buffer with GFP_KERNEL
flag. Rely on rcu_replace_pointer in airoha_ppe_deinit routine in order
to fix schedule while atomic issue in airoha_npu_ppe_deinit() since we
do not need atomic context there.
Fixes: 00a7678310 ("net: airoha: Introduce flowtable offload support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260105-airoha-fw-ethtool-v2-1-3b32b158cc31@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
For years I wondered why the Apple Cinema Display driver would not
just work for me. Turns out the hidraw driver instantly takes it
over. Fix by adding appledisplay VID/PIDs to hid_have_special_driver.
Fixes: 069e8a65cd ("Driver for Apple Cinema Display")
Signed-off-by: René Rebe <rene@exactco.de>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
The USB speaker has a bug that causes it to reboot when changing the
brightness using the physical knob.
Add a new vendor and product ID entry in hid-ids.h, and register
the corresponding device in hid-quirks.c with the required quirk.
Signed-off-by: Rodrigo Lugathe da Conceição Alves <lugathe2@gmail.com>
Reviewed-by: Terry Junge <linuxhid@cosmicgizmosystems.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
`i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data
into `ihid->rawbuf`.
The former can come from the userspace in the hidraw driver and is only
bounded by HID_MAX_BUFFER_SIZE(16384) by default (unless we also set
`max_buffer_size` field of `struct hid_ll_driver` which we do not).
The latter has size determined at runtime by the maximum size of
different report types you could receive on any particular device and
can be a much smaller value.
Fix this by truncating `recv_len` to `ihid->bufsize - sizeof(__le16)`.
The impact is low since access to hidraw devices requires root.
Signed-off-by: Kwok Kin Ming <kenkinming2002@gmail.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
We have to resort to a bit of a hack: python-libevdev gets the
properties from libevdev at module init time. If libevdev hasn't been
rebuilt with the new property it won't be automatically populated. So we
hack around this by constructing the property manually.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Instead of multiple spellings of a string-provided argument, let's make
this a tad more type-safe and use an enum here.
And while we do this fix the two wrong devices:
- elan_04f3_313a (HP ZBook Fury 15) is discrete button pad
- dell_044e_1220 (Dell Precision 7740) is a discrete button pad
Equivalent hid-tools commit
8300a55bf4
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Not all our tests really require it but since it's likely pip-installed
anyway it's trivial to require the new version, just in case we want to
start cleaning up other bits.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Another Chicony Electronics HP 5MP Camera with USB ID 04F2:B882
reports a HID sensor interface that is not actually implemented.
Add the device to the HID ignore list so the bogus sensor is never
exposed to userspace. Then the system won't hang when runtime PM
tries to wake the unresponsive device.
Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
intel-thc-dma.c uses sgl_alloc() resulting in a build failure
if CONFIG_SGL_ALLOC is not enabled
Signed-off-by: Tim Zimmermann <tim@linux4.de>
Reviewed-by: Even Xu <even.xu@intel.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Similar to commit 835a507535 ("selftests/bpf: Add -fms-extensions to
bpf build flags") and commit 639f58a0f4 ("bpftool: Fix build warnings
due to MS extensions")
The kernel is now built with -fms-extensions, therefore
generated vmlinux.h contains types like:
struct slab {
..
struct freelist_counters;
};
Use -fms-extensions and -Wno-microsoft-anon-tag flags
to build bpf programs that #include "vmlinux.h"
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Similar to commit 835a507535 ("selftests/bpf: Add -fms-extensions to
bpf build flags") and commit 639f58a0f4 ("bpftool: Fix build warnings
due to MS extensions")
The kernel is now built with -fms-extensions, therefore
generated vmlinux.h contains types like:
struct slab {
..
struct freelist_counters;
};
Use -fms-extensions and -Wno-microsoft-anon-tag flags
to build bpf programs that #include "vmlinux.h"
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
