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  1. 08 Dec, 2021 4 commits
    • Loic Poulain's avatar
      wcn36xx: Fix max channels retrieval · 09cab430
      Loic Poulain authored 
      Kernel test robot reported:drivers/net/wireless/ath/wcn36xx/smd.c:943:33:
   sparse: sparse: cast truncates bits from constant value (780 becomes 80)

The 'channels' field is not a simple u8 array but an array of
channel_params. Using sizeof for retrieving the max number of
channels is then wrong.

In practice, it was not an issue, because the sizeof returned
value is 780, which is truncated in min_t (u8) to 80, which is
the value we expect...

Fix that properly using ARRAY_SIZE instead of sizeof.

Fixes: d707f812 ("wcn36xx: Channel list update before hardware scan")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarLoic Poulain <loic.poulain@linaro.org>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1638435732-14657-1-git-send-email-loic.poulain@linaro.org
      09cab430
    • Wen Gong's avatar
      ath11k: add 11d scan offload support · 9dcf6808
      Wen Gong authored 
      Add handler for WMI_11D_NEW_COUNTRY_EVENTID, WMI_11D_SCAN_START_CMDID,
WMI_11D_SCAN_STOP_CMDID.

After vdev create for STATION, send WMI_11D_SCAN_START_CMDID to firmware
and wait firmware complete it, the scan from mac80211 also need to wait
the 11d scan finished, and send WMI_11D_SCAN_STOP_CMDID to firmware
before vdev delete for STATION.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01230-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: default avatarWen Gong <quic_wgong@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20211201071745.17746-4-quic_wgong@quicinc.com
      9dcf6808
    • Wen Gong's avatar
      ath11k: add configure country code for QCA6390 and WCN6855 · 0b05ddad
      Wen Gong authored 
      Add handler to send WMI_SET_CURRENT_COUNTRY_CMDID to firmware which
is used for QCA6390 and WCN6855.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: default avatarWen Gong <quic_wgong@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20211201071745.17746-3-quic_wgong@quicinc.com
      0b05ddad
    • Wen Gong's avatar
      ath11k: avoid deadlock by change ieee80211_queue_work for regd_update_work · ed05c7cf
      Wen Gong authored 
      When enable debug config, it print below warning while shut down wlan
interface shuh as run "ifconfig wlan0 down".

The reason is because ar->regd_update_work is ran once, and it is will
call wiphy_lock(ar->hw->wiphy) in function ath11k_regd_update() which
is running in workqueue of ieee80211_local queued by ieee80211_queue_work().
Another thread from "ifconfig wlan0 down" will also accuqire the lock
by wiphy_lock(sdata->local->hw.wiphy) in function ieee80211_stop(), and
then it call ieee80211_stop_device() to flush_workqueue(local->workqueue),
this will wait the workqueue of ieee80211_local finished. Then deadlock
will happen easily if the two thread run meanwhile.

Below warning disappeared after this change.

[  914.088798] ath11k_pci 0000:05:00.0: mac remove interface (vdev 0)
[  914.088806] ath11k_pci 0000:05:00.0: mac stop 11d scan
[  914.088810] ath11k_pci 0000:05:00.0: mac stop 11d vdev id 0
[  914.088827] ath11k_pci 0000:05:00.0: htc ep 2 consumed 1 credits (total 0)
[  914.088841] ath11k_pci 0000:05:00.0: send 11d scan stop vdev id 0
[  914.088849] ath11k_pci 0000:05:00.0: htc insufficient credits ep 2 required 1 available 0
[  914.088856] ath11k_pci 0000:05:00.0: htc insufficient credits ep 2 required 1 available 0
[  914.096434] ath11k_pci 0000:05:00.0: rx ce pipe 2 len 16
[  914.096442] ath11k_pci 0000:05:00.0: htc ep 2 got 1 credits (total 1)
[  914.096481] ath11k_pci 0000:05:00.0: htc ep 2 consumed 1 credits (total 0)
[  914.096491] ath11k_pci 0000:05:00.0: WMI vdev delete id 0
[  914.111598] ath11k_pci 0000:05:00.0: rx ce pipe 2 len 16
[  914.111628] ath11k_pci 0000:05:00.0: htc ep 2 got 1 credits (total 1)
[  914.114659] ath11k_pci 0000:05:00.0: rx ce pipe 2 len 20
[  914.114742] ath11k_pci 0000:05:00.0: htc rx completion ep 2 skb         pK-error
[  914.115977] ath11k_pci 0000:05:00.0: vdev delete resp for vdev id 0
[  914.116685] ath11k_pci 0000:05:00.0: vdev 00:03:7f:29:61:11 deleted, vdev_id 0

[  914.117583] ======================================================
[  914.117592] WARNING: possible circular locking dependency detected
[  914.117600] 5.16.0-rc1-wt-ath+ #1 Tainted: G           OE
[  914.117611] ------------------------------------------------------
[  914.117618] ifconfig/2805 is trying to acquire lock:
[  914.117628] ffff9c00a62bb548 ((wq_completion)phy0){+.+.}-{0:0}, at: flush_workqueue+0x87/0x470
[  914.117674]
               but task is already holding lock:
[  914.117682] ffff9c00baea07d0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_stop+0x38/0x180 [mac80211]
[  914.117872]
               which lock already depends on the new lock.

[  914.117880]
               the existing dependency chain (in reverse order) is:
[  914.117888]
               -> #3 (&rdev->wiphy.mtx){+.+.}-{4:4}:
[  914.117910]        __mutex_lock+0xa0/0x9c0
[  914.117930]        mutex_lock_nested+0x1b/0x20
[  914.117944]        reg_process_self_managed_hints+0x3a/0xb0 [cfg80211]
[  914.118093]        wiphy_regulatory_register+0x47/0x80 [cfg80211]
[  914.118229]        wiphy_register+0x84f/0x9c0 [cfg80211]
[  914.118353]        ieee80211_register_hw+0x6b1/0xd90 [mac80211]
[  914.118486]        ath11k_mac_register+0x6af/0xb60 [ath11k]
[  914.118550]        ath11k_core_qmi_firmware_ready+0x383/0x4a0 [ath11k]
[  914.118598]        ath11k_qmi_driver_event_work+0x347/0x4a0 [ath11k]
[  914.118656]        process_one_work+0x228/0x670
[  914.118669]        worker_thread+0x4d/0x440
[  914.118680]        kthread+0x16d/0x1b0
[  914.118697]        ret_from_fork+0x22/0x30
[  914.118714]
               -> #2 (rtnl_mutex){+.+.}-{4:4}:
[  914.118736]        __mutex_lock+0xa0/0x9c0
[  914.118751]        mutex_lock_nested+0x1b/0x20
[  914.118767]        rtnl_lock+0x17/0x20
[  914.118783]        ath11k_regd_update+0x15a/0x260 [ath11k]
[  914.118841]        ath11k_regd_update_work+0x15/0x20 [ath11k]
[  914.118897]        process_one_work+0x228/0x670
[  914.118909]        worker_thread+0x4d/0x440
[  914.118920]        kthread+0x16d/0x1b0
[  914.118934]        ret_from_fork+0x22/0x30
[  914.118948]
               -> #1 ((work_completion)(&ar->regd_update_work)){+.+.}-{0:0}:
[  914.118972]        process_one_work+0x1fa/0x670
[  914.118984]        worker_thread+0x4d/0x440
[  914.118996]        kthread+0x16d/0x1b0
[  914.119010]        ret_from_fork+0x22/0x30
[  914.119023]
               -> #0 ((wq_completion)phy0){+.+.}-{0:0}:
[  914.119045]        __lock_acquire+0x146d/0x1cf0
[  914.119057]        lock_acquire+0x19b/0x360
[  914.119067]        flush_workqueue+0xae/0x470
[  914.119084]        ieee80211_stop_device+0x3b/0x50 [mac80211]
[  914.119260]        ieee80211_do_stop+0x5d7/0x830 [mac80211]
[  914.119409]        ieee80211_stop+0x45/0x180 [mac80211]
[  914.119557]        __dev_close_many+0xb3/0x120
[  914.119573]        __dev_change_flags+0xc3/0x1d0
[  914.119590]        dev_change_flags+0x29/0x70
[  914.119605]        devinet_ioctl+0x653/0x810
[  914.119620]        inet_ioctl+0x193/0x1e0
[  914.119631]        sock_do_ioctl+0x4d/0xf0
[  914.119649]        sock_ioctl+0x262/0x340
[  914.119665]        __x64_sys_ioctl+0x96/0xd0
[  914.119678]        do_syscall_64+0x3d/0xd0
[  914.119694]        entry_SYSCALL_64_after_hwframe+0x44/0xae
[  914.119709]
               other info that might help us debug this:

[  914.119717] Chain exists of:
                 (wq_completion)phy0 --> rtnl_mutex --> &rdev->wiphy.mtx

[  914.119745]  Possible unsafe locking scenario:

[  914.119752]        CPU0                    CPU1
[  914.119758]        ----                    ----
[  914.119765]   lock(&rdev->wiphy.mtx);
[  914.119778]                                lock(rtnl_mutex);
[  914.119792]                                lock(&rdev->wiphy.mtx);
[  914.119807]   lock((wq_completion)phy0);
[  914.119819]
                *** DEADLOCK ***

[  914.119827] 2 locks held by ifconfig/2805:
[  914.119837]  #0: ffffffffba3dc010 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x17/0x20
[  914.119872]  #1: ffff9c00baea07d0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_stop+0x38/0x180 [mac80211]
[  914.120039]
               stack backtrace:
[  914.120048] CPU: 0 PID: 2805 Comm: ifconfig Tainted: G           OE     5.16.0-rc1-wt-ath+ #1
[  914.120064] Hardware name: LENOVO 418065C/418065C, BIOS 83ET63WW (1.33 ) 07/29/2011
[  914.120074] Call Trace:
[  914.120084]  <TASK>
[  914.120094]  dump_stack_lvl+0x73/0xa4
[  914.120119]  dump_stack+0x10/0x12
[  914.120135]  print_circular_bug.isra.44+0x221/0x2e0
[  914.120165]  check_noncircular+0x106/0x150
[  914.120203]  __lock_acquire+0x146d/0x1cf0
[  914.120215]  ? __lock_acquire+0x146d/0x1cf0
[  914.120245]  lock_acquire+0x19b/0x360
[  914.120259]  ? flush_workqueue+0x87/0x470
[  914.120286]  ? lockdep_init_map_type+0x6b/0x250
[  914.120310]  flush_workqueue+0xae/0x470
[  914.120327]  ? flush_workqueue+0x87/0x470
[  914.120344]  ? lockdep_hardirqs_on+0xd7/0x150
[  914.120391]  ieee80211_stop_device+0x3b/0x50 [mac80211]
[  914.120565]  ? ieee80211_stop_device+0x3b/0x50 [mac80211]
[  914.120736]  ieee80211_do_stop+0x5d7/0x830 [mac80211]
[  914.120906]  ieee80211_stop+0x45/0x180 [mac80211]
[  914.121060]  __dev_close_many+0xb3/0x120
[  914.121081]  __dev_change_flags+0xc3/0x1d0
[  914.121109]  dev_change_flags+0x29/0x70
[  914.121131]  devinet_ioctl+0x653/0x810
[  914.121149]  ? __might_fault+0x77/0x80
[  914.121179]  inet_ioctl+0x193/0x1e0
[  914.121194]  ? inet_ioctl+0x193/0x1e0
[  914.121218]  ? __might_fault+0x77/0x80
[  914.121238]  ? _copy_to_user+0x68/0x80
[  914.121266]  sock_do_ioctl+0x4d/0xf0
[  914.121283]  ? inet_stream_connect+0x60/0x60
[  914.121297]  ? sock_do_ioctl+0x4d/0xf0
[  914.121329]  sock_ioctl+0x262/0x340
[  914.121347]  ? sock_ioctl+0x262/0x340
[  914.121362]  ? exit_to_user_mode_prepare+0x13b/0x280
[  914.121388]  ? syscall_enter_from_user_mode+0x20/0x50
[  914.121416]  __x64_sys_ioctl+0x96/0xd0
[  914.121430]  ? br_ioctl_call+0x90/0x90
[  914.121445]  ? __x64_sys_ioctl+0x96/0xd0
[  914.121465]  do_syscall_64+0x3d/0xd0
[  914.121482]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  914.121497] RIP: 0033:0x7f0ed051737b
[  914.121513] Code: 0f 1e fa 48 8b 05 15 3b 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 3a 0d 00 f7 d8 64 89 01 48
[  914.121527] RSP: 002b:00007fff7be38b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[  914.121544] RAX: ffffffffffffffda RBX: 00007fff7be38ba0 RCX: 00007f0ed051737b
[  914.121555] RDX: 00007fff7be38ba0 RSI: 0000000000008914 RDI: 0000000000000004
[  914.121566] RBP: 00007fff7be38c60 R08: 000000000000000a R09: 0000000000000001
[  914.121576] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000fffffffe
[  914.121586] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000
[  914.121620]  </TASK>

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Signed-off-by: default avatarWen Gong <quic_wgong@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20211201071745.17746-2-quic_wgong@quicinc.com
      ed05c7cf
  3. 07 Dec, 2021 5 commits
  5. 29 Nov, 2021 1 commit
    • Sriram R's avatar
      ath11k: Avoid NULL ptr access during mgmt tx cleanup · a93789ae
      Sriram R authored 
      Currently 'ar' reference is not added in skb_cb during
WMI mgmt tx. Though this is generally not used during tx completion
callbacks, on interface removal the remaining idr cleanup callback
uses the ar ptr from skb_cb from mgmt txmgmt_idr. Hence
fill them during tx call for proper usage.

Also free the skb which is missing currently in these
callbacks.

Crash_info:

[19282.489476] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[19282.489515] pgd = 91eb8000
[19282.496702] [00000000] *pgd=00000000
[19282.502524] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[19282.783728] PC is at ath11k_mac_vif_txmgmt_idr_remove+0x28/0xd8 [ath11k]
[19282.789170] LR is at idr_for_each+0xa0/0xc8

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00729-QCAHKSWPL_SILICONZ-3 v2
Signed-off-by: default avatarSriram R <quic_srirrama@quicinc.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1637832614-13831-1-git-send-email-quic_srirrama@quicinc.com
      a93789ae
  7. 26 Nov, 2021 2 commits
  9. 24 Nov, 2021 3 commits
  11. 22 Nov, 2021 13 commits
  13. 19 Nov, 2021 4 commits
    • Kalle Valo's avatar
      Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git · 728e26c3
      Kalle Valo authored 
      ath.git patches for v5.17. Major changes:

ath10k

* fetch (pre-)calibration data via nvmem subsystem

ath11k

* enable 802.11 power save mode in station mode for qca6390 and wcn6855

* trace log support

* proper board file detection for WCN6855 based on PCI ids

* BSS color change support
      728e26c3
    • Peter Seiderer's avatar
      ath9k: fix intr_txqs setting · 5125b9a9
      Peter Seiderer authored 
      The struct ath_hw member intr_txqs is never reset/assigned outside
of ath9k_hw_init_queues() and with the used bitwise-or in the interrupt
handling ar9002_hw_get_isr() accumulates all ever set interrupt flags.

Fix this by using a pure assign instead of bitwise-or for the
first line (note: intr_txqs is only evaluated in case ATH9K_INT_TX bit
is set).
Signed-off-by: default avatarPeter Seiderer <ps.report@gmx.net>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211116220720.30145-1-ps.report@gmx.net
      5125b9a9
    • Seevalamuthu Mariappan's avatar
      ath11k: add hw_param for wakeup_mhi · 081e2d64
      Seevalamuthu Mariappan authored 
      Wakeup mhi is needed before pci_read/write only for QCA6390 and WCN6855. Since
wakeup & release mhi is enabled for all hardwares, below mhi assert is seen in
QCN9074 when doing 'rmmod ath11k_pci':

	Kernel panic - not syncing: dev_wake != 0
	CPU: 2 PID: 13535 Comm: procd Not tainted 4.4.60 #1
	Hardware name: Generic DT based system
	[<80316dac>] (unwind_backtrace) from [<80313700>] (show_stack+0x10/0x14)
	[<80313700>] (show_stack) from [<805135dc>] (dump_stack+0x7c/0x9c)
	[<805135dc>] (dump_stack) from [<8032136c>] (panic+0x84/0x1f8)
	[<8032136c>] (panic) from [<80549b24>] (mhi_pm_disable_transition+0x3b8/0x5b8)
	[<80549b24>] (mhi_pm_disable_transition) from [<80549ddc>] (mhi_power_down+0xb8/0x100)
	[<80549ddc>] (mhi_power_down) from [<7f5242b0>] (ath11k_mhi_op_status_cb+0x284/0x3ac [ath11k_pci])
	[E][__mhi_device_get_sync] Did not enter M0 state, cur_state:RESET pm_state:SHUTDOWN Process
	[E][__mhi_device_get_sync] Did not enter M0 state, cur_state:RESET pm_state:SHUTDOWN Process
	[E][__mhi_device_get_sync] Did not enter M0 state, cur_state:RESET pm_state:SHUTDOWN Process
	[<7f5242b0>] (ath11k_mhi_op_status_cb [ath11k_pci]) from [<7f524878>] (ath11k_mhi_stop+0x10/0x20 [ath11k_pci])
	[<7f524878>] (ath11k_mhi_stop [ath11k_pci]) from [<7f525b94>] (ath11k_pci_power_down+0x54/0x90 [ath11k_pci])
	[<7f525b94>] (ath11k_pci_power_down [ath11k_pci]) from [<8056b2a8>] (pci_device_shutdown+0x30/0x44)
	[<8056b2a8>] (pci_device_shutdown) from [<805cfa0c>] (device_shutdown+0x124/0x174)
	[<805cfa0c>] (device_shutdown) from [<8033aaa4>] (kernel_restart+0xc/0x50)
	[<8033aaa4>] (kernel_restart) from [<8033ada8>] (SyS_reboot+0x178/0x1ec)
	[<8033ada8>] (SyS_reboot) from [<80301b80>] (ret_fast_syscall+0x0/0x34)

Hence, disable wakeup/release mhi using hw_param for other hardwares.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01060-QCAHKSWPL_SILICONZ-1

Fixes: a05bd851 ("ath11k: read and write registers below unwindowed address")
Signed-off-by: default avatarSeevalamuthu Mariappan <quic_seevalam@quicinc.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1636702019-26142-1-git-send-email-quic_seevalam@quicinc.com
      081e2d64
    • Jakub Kicinski's avatar
      Merge tag 'regmap-no-bus-update-bits' of... · 3b1abcf1
      Jakub Kicinski authored 
      Merge tag 'regmap-no-bus-update-bits' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Mark Brown says:

===================
regmap: Allow regmap_update_bits() to be offloaded with no bus

Some hardware can do this so let's use that capability.
===================

Link: https://lore.kernel.org/all/YZWDOidBOssP10yS@sirena.org.uk/Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      3b1abcf1
  15. 18 Nov, 2021 8 commits
    • Jakub Kicinski's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net · 50fc2494
      Jakub Kicinski authored 
      Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      50fc2494
    • Linus Torvalds's avatar
      Merge tag 'net-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net · 8d0112ac
      Linus Torvalds authored 
      Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, mac80211.

  Current release - regressions:

   - devlink: don't throw an error if flash notification sent before
     devlink visible

   - page_pool: Revert "page_pool: disable dma mapping support...",
     turns out there are active arches who need it

  Current release - new code bugs:

   - amt: cancel delayed_work synchronously in amt_fini()

  Previous releases - regressions:

   - xsk: fix crash on double free in buffer pool

   - bpf: fix inner map state pruning regression causing program
     rejections

   - mac80211: drop check for DONT_REORDER in __ieee80211_select_queue,
     preventing mis-selecting the best effort queue

   - mac80211: do not access the IV when it was stripped

   - mac80211: fix radiotap header generation, off-by-one

   - nl80211: fix getting radio statistics in survey dump

   - e100: fix device suspend/resume

  Previous releases - always broken:

   - tcp: fix uninitialized access in skb frags array for Rx 0cp

   - bpf: fix toctou on read-only map's constant scalar tracking

   - bpf: forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing
     progs

   - tipc: only accept encrypted MSG_CRYPTO msgs

   - smc: transfer remaining wait queue entries during fallback, fix
     missing wake ups

   - udp: validate checksum in udp_read_sock() (when sockmap is used)

   - sched: act_mirred: drop dst for the direction from egress to
     ingress

   - virtio_net_hdr_to_skb: count transport header in UFO, prevent
     allowing bad skbs into the stack

   - nfc: reorder the logic in nfc_{un,}register_device, fix unregister

   - ipsec: check return value of ipv6_skip_exthdr

   - usb: r8152: add MAC passthrough support for more Lenovo Docks"

* tag 'net-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (96 commits)
  ptp: ocp: Fix a couple NULL vs IS_ERR() checks
  net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock()
  net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
  ipv6: check return value of ipv6_skip_exthdr
  e100: fix device suspend/resume
  devlink: Don't throw an error if flash notification sent before devlink visible
  page_pool: Revert "page_pool: disable dma mapping support..."
  ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
  octeontx2-af: debugfs: don't corrupt user memory
  NFC: add NCI_UNREG flag to eliminate the race
  NFC: reorder the logic in nfc_{un,}register_device
  NFC: reorganize the functions in nci_request
  tipc: check for null after calling kmemdup
  i40e: Fix display error code in dmesg
  i40e: Fix creation of first queue by omitting it if is not power of two
  i40e: Fix warning message and call stack during rmmod i40e driver
  i40e: Fix ping is lost after configuring ADq on VF
  i40e: Fix changing previously set num_queue_pairs for PFs
  i40e: Fix NULL ptr dereference on VSI filter sync
  i40e: Fix correct max_pkt_size on VF RX queue
  ...
      8d0112ac
    • Linus Torvalds's avatar
      Merge tag 'for-5.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux · 6fdf8864
      Linus Torvalds authored 
      Pull btrfs fixes from David Sterba:
 "Several xes and one old ioctl deprecation. Namely there's fix for
  crashes/warnings with lzo compression that was suspected to be caused
  by first pull merge resolution, but it was a different bug.

  Summary:

   - regression fix for a crash in lzo due to missing boundary checks of
     the page array

   - fix crashes on ARM64 due to missing barriers when synchronizing
     status bits between work queues

   - silence lockdep when reading chunk tree during mount

   - fix false positive warning in integrity checker on devices with
     disabled write caching

   - fix signedness of bitfields in scrub

   - start deprecation of balance v1 ioctl"

* tag 'for-5.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: deprecate BTRFS_IOC_BALANCE ioctl
  btrfs: make 1-bit bit-fields of scrub_page unsigned int
  btrfs: check-integrity: fix a warning on write caching disabled disk
  btrfs: silence lockdep when reading chunk tree during mount
  btrfs: fix memory ordering between normal and ordered work functions
  btrfs: fix a out-of-bound access in copy_compressed_data_to_page()
      6fdf8864
    • Linus Torvalds's avatar
      Merge tag 'fs_for_v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs · db850a9b
      Linus Torvalds authored 
      Pull UDF fix from Jan Kara:
 "A fix for a long-standing UDF bug where we were not properly
  validating directory position inside readdir"

* tag 'fs_for_v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: Fix crash after seekdir
      db850a9b
    • Linus Torvalds's avatar
      Merge tag 'fs.idmapped.v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux · 7cf7eed1
      Linus Torvalds authored 
      Pull setattr idmapping fix from Christian Brauner:
 "This contains a simple fix for setattr. When determining the validity
  of the attributes the ia_{g,u}id fields contain the value that will be
  written to inode->i_{g,u}id. When the {g,u}id attribute of the file
  isn't altered and the caller's fs{g,u}id matches the current {g,u}id
  attribute the attribute change is allowed.

  The value in ia_{g,u}id does already account for idmapped mounts and
  will have taken the relevant idmapping into account. So in order to
  verify that the {g,u}id attribute isn't changed we simple need to
  compare the ia_{g,u}id value against the inode's i_{g,u}id value.

  This only has any meaning for idmapped mounts as idmapping helpers are
  idempotent without them. And for idmapped mounts this really only has
  a meaning when circular idmappings are used, i.e. mappings where e.g.
  id 1000 is mapped to id 1001 and id 1001 is mapped to id 1000. Such
  ciruclar mappings can e.g. be useful when sharing the same home
  directory between multiple users at the same time.

  Before this patch we could end up denying legitimate attribute changes
  and allowing invalid attribute changes when circular mappings are
  used. To even get into this situation the caller must've been
  privileged both to create that mapping and to create that idmapped
  mount.

  This hasn't been seen in the wild anywhere but came up when expanding
  the fstest suite during work on a series of hardening patches. All
  idmapped fstests pass without any regressions and we're adding new
  tests to verify the behavior of circular mappings.

  The new tests can be found at [1]"

Link: https://lore.kernel.org/linux-fsdevel/20211109145713.1868404-2-brauner@kernel.org [1]

* tag 'fs.idmapped.v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  fs: handle circular mappings correctly
      7cf7eed1
    • Linus Torvalds's avatar
      Merge tag 'for-5.16/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux · a6a6d227
      Linus Torvalds authored 
      Pull parisc fixes from Helge Deller:
 "parisc bug and warning fixes and wire up futex_waitv.

  Fix some warnings which showed up with allmodconfig builds, a revert
  of a change to the sigreturn trampoline which broke signal handling,
  wire up futex_waitv and add CONFIG_PRINTK_TIME=y to 32bit defconfig"

* tag 'for-5.16/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Enable CONFIG_PRINTK_TIME=y in 32bit defconfig
  Revert "parisc: Reduce sigreturn trampoline to 3 instructions"
  parisc: Wrap assembler related defines inside __ASSEMBLY__
  parisc: Wire up futex_waitv
  parisc: Include stringify.h to avoid build error in crypto/api.c
  parisc/sticon: fix reverse colors
      a6a6d227
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm · c46e8ece
      Linus Torvalds authored 
      Pull KVM fixes from Paolo Bonzini:
 "Selftest changes:

   - Cleanups for the perf test infrastructure and mapping hugepages

   - Avoid contention on mmap_sem when the guests start to run

   - Add event channel upcall support to xen_shinfo_test

  x86 changes:

   - Fixes for Xen emulation

   - Kill kvm_map_gfn() / kvm_unmap_gfn() and broken gfn_to_pfn_cache

   - Fixes for migration of 32-bit nested guests on 64-bit hypervisor

   - Compilation fixes

   - More SEV cleanups

  Generic:

   - Cap the return value of KVM_CAP_NR_VCPUS to both KVM_CAP_MAX_VCPUS
     and num_online_cpus(). Most architectures were only using one of
     the two"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
  KVM: x86: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS
  KVM: s390: Cap KVM_CAP_NR_VCPUS by num_online_cpus()
  KVM: RISC-V: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS
  KVM: PPC: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS
  KVM: MIPS: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS
  KVM: arm64: Cap KVM_CAP_NR_VCPUS by kvm_arm_default_max_vcpus()
  KVM: x86: Assume a 64-bit hypercall for guests with protected state
  selftests: KVM: Add /x86_64/sev_migrate_tests to .gitignore
  riscv: kvm: fix non-kernel-doc comment block
  KVM: SEV: Fix typo in and tweak name of cmd_allowed_from_miror()
  KVM: SEV: Drop a redundant setting of sev->asid during initialization
  KVM: SEV: WARN if SEV-ES is marked active but SEV is not
  KVM: SEV: Set sev_info.active after initial checks in sev_guest_init()
  KVM: SEV: Disallow COPY_ENC_CONTEXT_FROM if target has created vCPUs
  KVM: Kill kvm_map_gfn() / kvm_unmap_gfn() and gfn_to_pfn_cache
  KVM: nVMX: Use a gfn_to_hva_cache for vmptrld
  KVM: nVMX: Use kvm_read_guest_offset_cached() for nested VMCS check
  KVM: x86/xen: Use sizeof_field() instead of open-coding it
  KVM: nVMX: Use kvm_{read,write}_guest_cached() for shadow_vmcs12
  KVM: x86/xen: Fix get_attr of KVM_XEN_ATTR_TYPE_SHARED_INFO
  ...
      c46e8ece
    • Linus Torvalds's avatar
      Merge tag 'docs-5.16-2' of git://git.lwn.net/linux · 4ae275bc
      Linus Torvalds authored 
      Pull documentation fixes from Jonathan Corbet:
 "A handful of documentation fixes for 5.16"

* tag 'docs-5.16-2' of git://git.lwn.net/linux:
  Documentation/process: fix a cross reference
  Documentation: update vcpu-requests.rst reference
  docs: accounting: update delay-accounting.rst reference
  libbpf: update index.rst reference
  docs: filesystems: Fix grammatical error "with" to "which"
  doc/zh_CN: fix a translation error in management-style
  docs: ftrace: fix the wrong path of tracefs
  Documentation: arm: marvell: Fix link to armada_1000_pb.pdf document
  Documentation: arm: marvell: Put Armada XP section between Armada 370 and 375
  Documentation: arm: marvell: Add some links to homepage / product infos
  docs: Update Sphinx requirements
      4ae275bc
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