1170735 Commits

Author SHA1 Message Date
Sean Anderson
3427372d0b net: sunhme: Remove residual polling code
The sunhme driver never used the hardware MII polling feature. Even the
if-def'd out happy_meal_poll_start was removed by 2002 [1]. Remove the
various places in the driver which needlessly guard against MII interrupts
which will never be enabled.

[1] https://lwn.net/2002/0411/a/2.5.8-pre3.php3

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:41:56 +01:00
Sean Anderson
70b1b4b862 net: sunhme: Just restart autonegotiation if we can't bring the link up
If we've tried regular autonegotiation and forcing the link mode, just
restart autonegotiation instead of reinitializing the whole NIC.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:41:56 +01:00
Sean Anderson
d61157414d net: sunhme: Fix uninitialized return code
Fix an uninitialized return code if we never found a qfe slot. It would be
a bug if we ever got into this situation, but it's good to return something
tracable.

Fixes: acb3f35f920b ("sunhme: forward the error code from pci_enable_device()")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:41:56 +01:00
David S. Miller
6595d358c5 Merge branch 'octeon_ep-deferred-probe-and-mailbox'
Veerasenareddy Burru says:

====================
octeon_ep: deferred probe and mailbox

Implement Deferred probe, mailbox enhancements and heartbeat monitor.

v4 -> v5:
   - addressed review comments
     https://lore.kernel.org/all/20230323104703.GD36557@unreal/
     replaced atomic_inc() + atomic_read() with atomic_inc_return().

v3 -> v4:
   - addressed review comments on v3
     https://lore.kernel.org/all/20230214051422.13705-1-vburru@marvell.com/
   - 0004-xxx.patch v3 is split into 0004-xxx.patch and 0005-xxx.patch
     in v4.
   - API changes to accept function ID are moved to 0005-xxx.patch.
   - fixed rct violations.
   - reverted newly added changes that do not yet have use cases.

v2 -> v3:
   - removed SRIOV VF support changes from v2, as new drivers which use
     ndo_get_vf_xxx() and ndo_set_vf_xxx() are not accepted.
     https://lore.kernel.org/all/20221207200204.6819575a@kernel.org/

     Will implement VF representors and submit again.
   - 0007-xxx.patch and 0008-xxx.patch from v2 are removed and
     0009-xxx.patch in v2 is now 0007-xxx.patch in v3.
   - accordingly, changed title for cover letter.

v1 -> v2:
   - remove separate workqueue task to wait for firmware ready.
     instead defer probe when firmware is not ready.
     Reported-by: Leon Romanovsky <leon@kernel.org>
   - This change has resulted in update of 0001-xxx.patch and
     all other patches in the patchset.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
5cb96c29aa octeon_ep: add heartbeat monitor
Monitor periodic heartbeat messages from device firmware.
Presence of heartbeat indicates the device is active and running.
If the heartbeat is missed for configured interval indicates
firmware has crashed and device is unusable; in this case, PF driver
stops and uninitialize the device.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
0718693fb3 octeon_ep: function id in link info and stats mailbox commands
Update control mailbox API to include function id in get stats and
link info.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
baa9879887 octeon_ep: support asynchronous notifications
Add asynchronous notification support to the control mailbox.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
f25e596755 octeon_ep: include function id in mailbox commands
Extend control command structure to include vfid and
update APIs to accept VF ID.

Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
577f0d1b1c octeon_ep: add separate mailbox command and response queues
Enhance control mailbox protocol to support following
 - separate command and response queues
    * command queue to send control commands to firmware.
    * response queue to receive responses and notifications from
      firmware.
 - variable size messages using scatter/gather

Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
7c05d3d06c octeon_ep: control mailbox for multiple PFs
Add control mailbox support for multiple PFs.
Update control mbox base address calculation based on PF function link.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
24d4333233 octeon_ep: poll for control messages
Poll for control messages until interrupts are enabled.
All the interrupts are enabled in ndo_open().
Add ability to listen for notifications from firmware before ndo_open().
Once interrupts are enabled, this polling is disabled and all the
messages are processed by bottom half of interrupt handler.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
Veerasenareddy Burru
10c073e404 octeon_ep: defer probe if firmware not ready
Defer probe if firmware is not ready for device usage.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:37:54 +01:00
David S. Miller
fbf8ba5666 Merge branch 'bcm53134-support'
Álvaro Fernández Rojas says:

====================
net: dsa: b53: mdio: add support for BCM53134

This is based on the initial work from Paul Geurts that was sent to the
incorrect linux development lists and recipients.
I've modified it by removing BCM53134_DEVICE_ID from is531x5() and therefore
adding is53134() where needed.
I also added a separate RGMII handling block for is53134() since according to
Paul, BCM53134 doesn't support RGMII_CTRL_TIMING_SEL as opposed to is531x5().
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:29:54 +01:00
Paul Geurts
f927e8ef1e net: dsa: b53: mdio: add support for BCM53134
Add support for the BCM53134 Ethernet switch in the existing b53 dsa driver.
BCM53134 is very similar to the BCM58XX series.

Signed-off-by: Paul Geurts <paul.geurts@prodrive-technologies.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:29:54 +01:00
Álvaro Fernández Rojas
a20869b3a7 dt-bindings: net: dsa: b53: add BCM53134 support
BCM53134 are B53 switches connected by MDIO.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-27 08:29:54 +01:00
Michal Michalik
bc77f7318d tools: ynl: add the Python requirements.txt file
It is a good practice to state explicitly which are the required Python
packages needed in a particular project to run it. The most commonly
used way is to store them in the `requirements.txt` file*.

*URL: https://pip.pypa.io/en/stable/reference/requirements-file-format/

Currently user needs to figure out himself that Python needs `PyYAML`
and `jsonschema` (and theirs requirements) packages to use the tool.
Add the `requirements.txt` for user convenience.

How to use it:
1) (optional) Create and activate empty virtual environment:
  python3.X -m venv venv3X
  source ./venv3X/bin/activate
2) Install all the required packages:
  pip install -r requirements.txt
    or
  python -m pip install -r requirements.txt
3) Run the script!

The `requirements.txt` file was tested for:
* Python 3.6
* Python 3.8
* Python 3.10

Signed-off-by: Michal Michalik <michal.michalik@intel.com>
Link: https://lore.kernel.org/r/20230323190802.32206-1-michal.michalik@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-24 19:11:02 -07:00
Tom Rix
2d08f3e128 mISDN: remove unused vpm_read_address and cpld_read_reg functions
clang with W=1 reports
drivers/isdn/hardware/mISDN/hfcmulti.c:667:1: error: unused function
  'vpm_read_address' [-Werror,-Wunused-function]
vpm_read_address(struct hfc_multi *c)
^

drivers/isdn/hardware/mISDN/hfcmulti.c:643:1: error: unused function
  'cpld_read_reg' [-Werror,-Wunused-function]
cpld_read_reg(struct hfc_multi *hc, unsigned char reg)
^

These functions are not used, so remove them.

Reported-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230323161343.2633836-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-24 19:09:57 -07:00
Jakub Kicinski
dc0a7b5200 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
  6e9d51b1a5cb ("net/mlx5e: Initialize link speed to zero")
  1bffcea42926 ("net/mlx5e: Add devlink hairpin queues parameters")
https://lore.kernel.org/all/20230324120623.4ebbc66f@canb.auug.org.au/
https://lore.kernel.org/all/20230321211135.47711-1-saeed@kernel.org/

Adjacent changes:

drivers/net/phy/phy.c
  323fe43cf9ae ("net: phy: Improved PHY error reporting in state machine")
  4203d84032e2 ("net: phy: Ensure state transitions are processed from phy_stop()")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-24 10:10:20 -07:00
Linus Torvalds
608f1b1366 Including fixes from bpf, wifi and bluetooth.
Current release - regressions:
 
  - wifi: mt76: mt7915: add back 160MHz channel width support for MT7915
 
  - libbpf: revert poisoning of strlcpy, it broke uClibc-ng
 
 Current release - new code bugs:
 
  - bpf: improve the coverage of the "allow reads from uninit stack"
    feature to fix verification complexity problems
 
  - eth: am65-cpts: reset PPS genf adj settings on enable
 
 Previous releases - regressions:
 
  - wifi: mac80211: serialize ieee80211_handle_wake_tx_queue()
 
  - wifi: mt76: do not run mt76_unregister_device() on unregistered hw,
    fix null-deref
 
  - Bluetooth: btqcomsmd: fix command timeout after setting BD address
 
  - eth: igb: revert rtnl_lock() that causes a deadlock
 
  - dsa: mscc: ocelot: fix device specific statistics
 
 Previous releases - always broken:
 
  - xsk: add missing overflow check in xdp_umem_reg()
 
  - wifi: mac80211:
    - fix QoS on mesh interfaces
    - fix mesh path discovery based on unicast packets
 
  - Bluetooth:
    - ISO: fix timestamped HCI ISO data packet parsing
    - remove "Power-on" check from Mesh feature
 
  - usbnet: more fixes to drivers trusting packet length
 
  - wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
 
  - Bluetooth: btintel: iterate only bluetooth device ACPI entries
 
  - eth: iavf: fix inverted Rx hash condition leading to disabled hash
 
  - eth: igc: fix the validation logic for taprio's gate list
 
  - dsa: tag_brcm: legacy: fix daisy-chained switches
 
 Misc:
 
  - bpf: adjust insufficient default bpf_jit_limit to account for
    growth of BPF use over the last 5 years
 
  - xdp: bpf_xdp_metadata() use EOPNOTSUPP as unique errno indicating
    no driver support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, wifi and bluetooth.

  Current release - regressions:

   - wifi: mt76: mt7915: add back 160MHz channel width support for
     MT7915

   - libbpf: revert poisoning of strlcpy, it broke uClibc-ng

  Current release - new code bugs:

   - bpf: improve the coverage of the "allow reads from uninit stack"
     feature to fix verification complexity problems

   - eth: am65-cpts: reset PPS genf adj settings on enable

  Previous releases - regressions:

   - wifi: mac80211: serialize ieee80211_handle_wake_tx_queue()

   - wifi: mt76: do not run mt76_unregister_device() on unregistered hw,
     fix null-deref

   - Bluetooth: btqcomsmd: fix command timeout after setting BD address

   - eth: igb: revert rtnl_lock() that causes a deadlock

   - dsa: mscc: ocelot: fix device specific statistics

  Previous releases - always broken:

   - xsk: add missing overflow check in xdp_umem_reg()

   - wifi: mac80211:
      - fix QoS on mesh interfaces
      - fix mesh path discovery based on unicast packets

   - Bluetooth:
      - ISO: fix timestamped HCI ISO data packet parsing
      - remove "Power-on" check from Mesh feature

   - usbnet: more fixes to drivers trusting packet length

   - wifi: iwlwifi: mvm: fix mvmtxq->stopped handling

   - Bluetooth: btintel: iterate only bluetooth device ACPI entries

   - eth: iavf: fix inverted Rx hash condition leading to disabled hash

   - eth: igc: fix the validation logic for taprio's gate list

   - dsa: tag_brcm: legacy: fix daisy-chained switches

  Misc:

   - bpf: adjust insufficient default bpf_jit_limit to account for
     growth of BPF use over the last 5 years

   - xdp: bpf_xdp_metadata() use EOPNOTSUPP as unique errno indicating
     no driver support"

* tag 'net-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
  Bluetooth: HCI: Fix global-out-of-bounds
  Bluetooth: mgmt: Fix MGMT add advmon with RSSI command
  Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
  Bluetooth: L2CAP: Fix responding with wrong PDU type
  Bluetooth: btqcomsmd: Fix command timeout after setting BD address
  Bluetooth: btinel: Check ACPI handle for NULL before accessing
  net: mdio: thunder: Add missing fwnode_handle_put()
  net: dsa: mt7530: move setting ssc_delta to PHY_INTERFACE_MODE_TRGMII case
  net: dsa: mt7530: move lowering TRGMII driving to mt7530_setup()
  net: dsa: mt7530: move enabling disabling core clock to mt7530_pll_setup()
  net: asix: fix modprobe "sysfs: cannot create duplicate filename"
  gve: Cache link_speed value from device
  tools: ynl: Fix genlmsg header encoding formats
  net: enetc: fix aggregate RMON counters not showing the ranges
  Bluetooth: Remove "Power-on" check from Mesh feature
  Bluetooth: Fix race condition in hci_cmd_sync_clear
  Bluetooth: btintel: Iterate only bluetooth device ACPI entries
  Bluetooth: ISO: fix timestamped HCI ISO data packet parsing
  Bluetooth: btusb: Remove detection of ISO packets over bulk
  Bluetooth: hci_core: Detect if an ACL packet is in fact an ISO packet
  ...
2023-03-24 08:48:12 -07:00
Linus Torvalds
285063049a for-6.3-rc3-tag
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Merge tag 'for-6.3-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few more fixes, the zoned accounting fix is spread across a few
  patches, preparatory and the actual fixes:

   - zoned mode:
      - fix accounting of unusable zone space
      - fix zone activation condition for DUP profile
      - preparatory patches

   - improved error handling of missing chunks

   - fix compiler warning"

* tag 'for-6.3-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: zoned: drop space_info->active_total_bytes
  btrfs: zoned: count fresh BG region as zone unusable
  btrfs: use temporary variable for space_info in btrfs_update_block_group
  btrfs: rename BTRFS_FS_NO_OVERCOMMIT to BTRFS_FS_ACTIVE_ZONE_TRACKING
  btrfs: zoned: fix btrfs_can_activate_zone() to support DUP profile
  btrfs: fix compiler warning on SPARC/PA-RISC handling fscrypt_setup_filename
  btrfs: handle missing chunk mapping more gracefully
2023-03-24 08:32:10 -07:00
Linus Torvalds
6dd74c51b4 SCSI fixes on 20230323
Four small fixes, three in drivers.  The core fix adds a UFS device to
 an existing quirk to avoid a huge delay on boot.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Four small fixes, three in drivers.

  The core fix adds a UFS device to an existing quirk to avoid a huge
  delay on boot"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
  scsi: qla2xxx: Synchronize the IOCB count to be in order
  scsi: qla2xxx: Perform lockless command completion in abort path
  scsi: core: Add BLIST_SKIP_VPD_PAGES for SKhynix H28U74301AMR
2023-03-24 08:27:13 -07:00
Florian Fainelli
323fe43cf9 net: phy: Improved PHY error reporting in state machine
When the PHY library calls phy_error() something bad has happened, and
we halt the PHY state machine. Calling phy_error() from the main state
machine however is not precise enough to know whether the issue is
reading the link status or starting auto-negotiation.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:18:19 +00:00
Cai Huoqing
c85bd3dacc net/ism: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:13:42 +00:00
Cai Huoqing
950bfdcf17 isdn: mISDN: netjet: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:13:42 +00:00
Horatiu Vultur
fac63186f1 net: phy: micrel: Add support for PTP_PF_EXTTS for lan8841
Extend the PTP programmable gpios to implement also PTP_PF_EXTTS
function. The pins can be configured to capture both of rising
and falling edge. Once the event is seen, then an interrupt is
generated and the LTC is saved in the registers.

This was tested using:
ts2phc -m -l 7 -s generic -f ts2phc.cfg

Where the configuration was the following:
[global]
ts2phc.pin_index  6

[eth2]

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:12:33 +00:00
Cai Huoqing
3228150ba6 ethernet: ec_bhf: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:28 +00:00
Cai Huoqing
f686e95927 ionic: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:28 +00:00
Cai Huoqing
2d59af8307 net: mana: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Cai Huoqing
5b6f4bd24c net/mlx5: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Cai Huoqing
8b91d5b62c net/fungible: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Acked-by: Dimitris Michailidis <dmichail@fungible.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Cai Huoqing
aae964bb78 net: cxgb4vf: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Cai Huoqing
fc3e07e83e net: hisilicon: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Cai Huoqing
fc5aba60c2 net: liquidio: Remove redundant pci_clear_master
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
	u16 pci_command;

	pci_read_config_word(dev, PCI_COMMAND, &pci_command);
	if (pci_command & PCI_COMMAND_MASTER) {
		pci_command &= ~PCI_COMMAND_MASTER;
		pci_write_config_word(dev, PCI_COMMAND, pci_command);
	}

	pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:09:27 +00:00
Taichi Nishimura
4170f0ef58 fix typos in net/sched/* files
This patch fixes typos in net/sched/* files.

Signed-off-by: Taichi Nishimura <awkrail01@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:05:03 +00:00
Lukas Bulwahn
c34ce27962 ethernet: broadcom/sb1250-mac: clean up after SIBYTE_BCM1x55 removal
With commit b984d7b56dfc ("MIPS: sibyte: Remove unused config option
SIBYTE_BCM1x55"), some #if's in the Broadcom SiByte SOC built-in Ethernet
driver can be simplified.

Simplify prepreprocessor conditions after config SIBYTE_BCM1x55 removal.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 09:04:01 +00:00
Xin Long
2df9bf4d04 ipv6: prevent router_solicitations for team port
The issue fixed for bonding in commit c2edacf80e15 ("bonding / ipv6: no
addrconf for slaves separately from master") also exists in team driver.
However, we can't just disable ipv6 addrconf for team ports, as 'teamd'
will need it when nsns_ping watch is used in the user space.

Instead of preventing ipv6 addrconf, this patch only prevents RS packets
for team ports, as it did in commit b52e1cce31ca ("ipv6: Don't send rs
packets to the interface of ARPHRD_TUNNEL").

Note that we do not prevent DAD packets, to avoid the changes getting
intricate / hacky. Also, usually sysctl dad_transmits is set to 1 and
only 1 DAD packet will be sent, and by now no libteam user complains
about DAD packets on team ports, unlike RS packets.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-24 08:57:06 +00:00
Jakub Kicinski
e346df60b8 Merge branch 'main' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:

====================
netfilter updates for net-next

This pull request contains changes for the *net-next* tree.

1. Change IPv6 stack to keep conntrack references until ipsec policy
   checks are done, like ipv4, from Madhu Koriginja.
   This update was missed when IPv6 NAT support was added 10 years ago.

2. get rid of old 'compat' structure layout in nf_nat_redirect
   core and move the conversion to the only user that needs the
   old layout for abi reasons. From Jeremy Sowden.

3. Compact some common code paths in nft_redir, also from Jeremy.

4. Time to remove the 'default y' knob so iptables 32bit compat interface
   isn't compiled in by default anymore, from myself.

5. Move ip(6)tables builtin icmp matches to the udptcp one.
   This has the advantage that icmp/icmpv6 match doesn't load the
   iptables/ip6tables modules anymore when iptables-nft is used.
   Also from myself.

* 'main' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  netfilter: keep conntrack reference until IPsecv6 policy checks are done
  xtables: move icmp/icmpv6 logic to xt_tcpudp
  netfilter: xtables: disable 32bit compat interface by default
  netfilter: nft_masq: deduplicate eval call-backs
  netfilter: nft_redir: use `struct nf_nat_range2` throughout and deduplicate eval call-backs
====================

Link: https://lore.kernel.org/r/20230322210802.6743-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 21:55:24 -07:00
Jakub Kicinski
e110ba6592 docs: netdev: add note about Changes Requested and revising commit messages
One of the most commonly asked questions is "I answered all questions
and don't need to make any code changes, why was the patch not applied".
Document our time honored tradition of asking people to repost with
improved commit messages, to record the answers to reviewer questions.

Take this opportunity to also recommend a change log format.

Link: https://lore.kernel.org/r/20230322231202.265835-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 21:50:22 -07:00
Maxim Korotkov
4691720f50 bnx2: remove deadcode in bnx2_init_cpus()
The load_cpu_fw function has no error return code
and always returns zero. Checking the value returned by
this function does not make sense.
Now checking the value of the return value is misleading when reading
the code. Path with error handling was deleted in 57579f7629a3
("bnx2: Use request_firmware()").
As a result, bnx2_init_cpus() will also return only zero
Therefore, it will be safe to change the type of functions
to void and remove checking to improving readability.

Found by Security Code and Linux Verification
Center (linuxtesting.org) with SVACE

Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Maxim Korotkov <korotkov.maxim.s@gmail.com>
Link: https://lore.kernel.org/r/20230322162843.3452-1-korotkov.maxim.s@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 21:49:15 -07:00
Alex Elder
0c04328ccf net: ipa: add IPA v5.0 to ipa_version_string()
In the IPA device sysfs directory, the "version" file can be read to
find out what IPA version is implemented.  The content of this file
is supplied by ipa_version_string(), which needs to be updated to
properly handle IPA v5.0.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230322144742.2203947-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 21:48:32 -07:00
Jiri Pirko
8da3a5598f ynl: allow to encode u8 attr
Playing with dpll netlink, I came across following issue:
$ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/dpll.yaml --do pin-set --json '{"id": 0, "pin-idx": 1, "pin-state": 1}'
Traceback (most recent call last):
  File "tools/net/ynl/cli.py", line 52, in <module>
    main()
  File "tools/net/ynl/cli.py", line 40, in main
    reply = ynl.do(args.do, attrs)
  File "tools/net/ynl/lib/ynl.py", line 520, in do
    return self._op(method, vals)
  File "tools/net/ynl/lib/ynl.py", line 476, in _op
    msg += self._add_attr(op.attr_set.name, name, value)
  File "tools/net/ynl/lib/ynl.py", line 344, in _add_attr
    raise Exception(f'Unknown type at {space} {name} {value} {attr["type"]}')
Exception: Unknown type at dpll pin-state 1 u8

I'm not that familiar with ynl code, but from a quick peek, I suspect
that couple other types are missing for both encoding and decoding.
Ignoring those here as I'm scratching my local itch only.

Fix the issue by adding u8 attr packing.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230322154242.1739136-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 21:47:51 -07:00
Jakub Kicinski
3eb8eea2a4 docs: networking: document NAPI
Add basic documentation about NAPI. We can stop linking to the ancient
doc on the LF wiki.

Link: https://lore.kernel.org/all/20230315223044.471002-1-kuba@kernel.org/
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> # for ctucanfd-driver.rst
Reviewed-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230322053848.198452-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 19:47:40 -07:00
Jakub Kicinski
1b4ae19e43 bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2023-03-23

We've added 8 non-merge commits during the last 13 day(s) which contain
a total of 21 files changed, 238 insertions(+), 161 deletions(-).

The main changes are:

1) Fix verification issues in some BPF programs due to their stack usage
   patterns, from Eduard Zingerman.

2) Fix to add missing overflow checks in xdp_umem_reg and return an error
   in such case, from Kal Conley.

3) Fix and undo poisoning of strlcpy in libbpf given it broke builds for
   libcs which provided the former like uClibc-ng, from Jesus Sanchez-Palencia.

4) Fix insufficient bpf_jit_limit default to avoid users running into hard
   to debug seccomp BPF errors, from Daniel Borkmann.

5) Fix driver return code when they don't support a bpf_xdp_metadata kfunc
   to make it unambiguous from other errors, from Jesper Dangaard Brouer.

6) Two BPF selftest fixes to address compilation errors from recent changes
   in kernel structures, from Alexei Starovoitov.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support
  bpf: Adjust insufficient default bpf_jit_limit
  xsk: Add missing overflow check in xdp_umem_reg
  selftests/bpf: Fix progs/test_deny_namespace.c issues.
  selftests/bpf: Fix progs/find_vma_fail1.c build error.
  libbpf: Revert poisoning of strlcpy
  selftests/bpf: Tests for uninitialized stack reads
  bpf: Allow reads from uninit stack
====================

Link: https://lore.kernel.org/r/20230323225221.6082-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 16:03:33 -07:00
Jakub Kicinski
2e63a2dfe7 bluetooth pull request for net:
- Fix MGMT add advmon with RSSI command
  - L2CAP: Fix responding with wrong PDU type
  - Fix race condition in hci_cmd_sync_clear
  - ISO: Fix timestamped HCI ISO data packet parsing
  - HCI: Fix global-out-of-bounds
  - hci_sync: Resume adv with no RPA when active scan
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Merge tag 'for-net-2023-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Luiz Augusto von Dentz says:

====================
bluetooth pull request for net:

 - Fix MGMT add advmon with RSSI command
 - L2CAP: Fix responding with wrong PDU type
 - Fix race condition in hci_cmd_sync_clear
 - ISO: Fix timestamped HCI ISO data packet parsing
 - HCI: Fix global-out-of-bounds
 - hci_sync: Resume adv with no RPA when active scan

* tag 'for-net-2023-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: HCI: Fix global-out-of-bounds
  Bluetooth: mgmt: Fix MGMT add advmon with RSSI command
  Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
  Bluetooth: L2CAP: Fix responding with wrong PDU type
  Bluetooth: btqcomsmd: Fix command timeout after setting BD address
  Bluetooth: btinel: Check ACPI handle for NULL before accessing
  Bluetooth: Remove "Power-on" check from Mesh feature
  Bluetooth: Fix race condition in hci_cmd_sync_clear
  Bluetooth: btintel: Iterate only bluetooth device ACPI entries
  Bluetooth: ISO: fix timestamped HCI ISO data packet parsing
  Bluetooth: btusb: Remove detection of ISO packets over bulk
  Bluetooth: hci_core: Detect if an ACL packet is in fact an ISO packet
  Bluetooth: hci_sync: Resume adv with no RPA when active scan
====================

Link: https://lore.kernel.org/r/20230323202335.3380841-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 15:56:20 -07:00
Jakub Kicinski
4f44d32605 wireless fixes for v6.3
Third set of fixes for v6.3. mt76 has two kernel crash fixes and
 adding back 160 MHz channel support for mt7915. mac80211 has fixes for
 a race in transmit path and two mesh related fixes. iwlwifi also has
 fixes for races.
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Merge tag 'wireless-2023-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Kalle Valo says:

====================
wireless fixes for v6.3

Third set of fixes for v6.3. mt76 has two kernel crash fixes and
adding back 160 MHz channel support for mt7915. mac80211 has fixes for
a race in transmit path and two mesh related fixes. iwlwifi also has
fixes for races.

* tag 'wireless-2023-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  wifi: mac80211: fix mesh path discovery based on unicast packets
  wifi: mac80211: fix qos on mesh interfaces
  wifi: iwlwifi: mvm: protect TXQ list manipulation
  wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
  wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue()
  wifi: mwifiex: mark OF related data as maybe unused
  wifi: mt76: connac: do not check WED status for non-mmio devices
  wifi: mt76: mt7915: add back 160MHz channel width support for MT7915
  wifi: mt76: do not run mt76_unregister_device() on unregistered hw
====================

Link: https://lore.kernel.org/r/20230323110332.C4FE4C433D2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-23 15:47:53 -07:00
Linus Torvalds
1e760fa359 gfs2 fix
- Reinstate commit 970343cd4904 ("GFS2: free disk inode which is deleted
   by remote node -V2") as reverting that commit could cause
   gfs2_put_super() to hang.
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Merge tag 'gfs2-v6.3-rc3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fix from Andreas Gruenbacher:

 - Reinstate commit 970343cd4904 ("GFS2: free disk inode which is
   deleted by remote node -V2") as reverting that commit could cause
   gfs2_put_super() to hang.

* tag 'gfs2-v6.3-rc3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  Reinstate "GFS2: free disk inode which is deleted by remote node -V2"
2023-03-23 15:25:49 -07:00
Sungwoo Kim
bce5640520 Bluetooth: HCI: Fix global-out-of-bounds
To loop a variable-length array, hci_init_stage_sync(stage) considers
that stage[i] is valid as long as stage[i-1].func is valid.
Thus, the last element of stage[].func should be intentionally invalid
as hci_init0[], le_init2[], and others did.
However, amp_init1[] and amp_init2[] have no invalid element, letting
hci_init_stage_sync() keep accessing amp_init1[] over its valid range.
This patch fixes this by adding {} in the last of amp_init1[] and
amp_init2[].

==================================================================
BUG: KASAN: global-out-of-bounds in hci_dev_open_sync (
/v6.2-bzimage/net/bluetooth/hci_sync.c:3154
/v6.2-bzimage/net/bluetooth/hci_sync.c:3343
/v6.2-bzimage/net/bluetooth/hci_sync.c:4418
/v6.2-bzimage/net/bluetooth/hci_sync.c:4609
/v6.2-bzimage/net/bluetooth/hci_sync.c:4689)
Read of size 8 at addr ffffffffaed1ab70 by task kworker/u5:0/1032
CPU: 0 PID: 1032 Comm: kworker/u5:0 Not tainted 6.2.0 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04
Workqueue: hci1 hci_power_on
Call Trace:
 <TASK>
dump_stack_lvl (/v6.2-bzimage/lib/dump_stack.c:107 (discriminator 1))
print_report (/v6.2-bzimage/mm/kasan/report.c:307
  /v6.2-bzimage/mm/kasan/report.c:417)
? hci_dev_open_sync (/v6.2-bzimage/net/bluetooth/hci_sync.c:3154
  /v6.2-bzimage/net/bluetooth/hci_sync.c:3343
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4418
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4609
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4689)
kasan_report (/v6.2-bzimage/mm/kasan/report.c:184
  /v6.2-bzimage/mm/kasan/report.c:519)
? hci_dev_open_sync (/v6.2-bzimage/net/bluetooth/hci_sync.c:3154
  /v6.2-bzimage/net/bluetooth/hci_sync.c:3343
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4418
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4609
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4689)
hci_dev_open_sync (/v6.2-bzimage/net/bluetooth/hci_sync.c:3154
  /v6.2-bzimage/net/bluetooth/hci_sync.c:3343
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4418
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4609
  /v6.2-bzimage/net/bluetooth/hci_sync.c:4689)
? __pfx_hci_dev_open_sync (/v6.2-bzimage/net/bluetooth/hci_sync.c:4635)
? mutex_lock (/v6.2-bzimage/./arch/x86/include/asm/atomic64_64.h:190
  /v6.2-bzimage/./include/linux/atomic/atomic-long.h:443
  /v6.2-bzimage/./include/linux/atomic/atomic-instrumented.h:1781
  /v6.2-bzimage/kernel/locking/mutex.c:171
  /v6.2-bzimage/kernel/locking/mutex.c:285)
? __pfx_mutex_lock (/v6.2-bzimage/kernel/locking/mutex.c:282)
hci_power_on (/v6.2-bzimage/net/bluetooth/hci_core.c:485
  /v6.2-bzimage/net/bluetooth/hci_core.c:984)
? __pfx_hci_power_on (/v6.2-bzimage/net/bluetooth/hci_core.c:969)
? read_word_at_a_time (/v6.2-bzimage/./include/asm-generic/rwonce.h:85)
? strscpy (/v6.2-bzimage/./arch/x86/include/asm/word-at-a-time.h:62
  /v6.2-bzimage/lib/string.c:161)
process_one_work (/v6.2-bzimage/kernel/workqueue.c:2294)
worker_thread (/v6.2-bzimage/./include/linux/list.h:292
  /v6.2-bzimage/kernel/workqueue.c:2437)
? __pfx_worker_thread (/v6.2-bzimage/kernel/workqueue.c:2379)
kthread (/v6.2-bzimage/kernel/kthread.c:376)
? __pfx_kthread (/v6.2-bzimage/kernel/kthread.c:331)
ret_from_fork (/v6.2-bzimage/arch/x86/entry/entry_64.S:314)
 </TASK>
The buggy address belongs to the variable:
amp_init1+0x30/0x60
The buggy address belongs to the physical page:
page:000000003a157ec6 refcount:1 mapcount:0 mapping:0000000000000000 ia
flags: 0x200000000001000(reserved|node=0|zone=2)
raw: 0200000000001000 ffffea0005054688 ffffea0005054688 000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
 ffffffffaed1aa00: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 00
 ffffffffaed1aa80: 00 00 00 00 f9 f9 f9 f9 00 00 00 00 00 00 00 00
>ffffffffaed1ab00: 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 f9 f9
                                                             ^
 ffffffffaed1ab80: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 f9
 ffffffffaed1ac00: f9 f9 f9 f9 00 06 f9 f9 f9 f9 f9 f9 00 00 02 f9

This bug is found by FuzzBT, a modified version of Syzkaller.
Other contributors for this bug are Ruoyu Wu and Peng Hui.

Fixes: d0b137062b2d ("Bluetooth: hci_sync: Rework init stages")
Signed-off-by: Sungwoo Kim <iam@sung-woo.kim>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-03-23 13:09:38 -07:00
Howard Chung
1a0291f815 Bluetooth: mgmt: Fix MGMT add advmon with RSSI command
The MGMT command: MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI uses variable
length argument. This causes host not able to register advmon with rssi.

This patch has been locally tested by adding monitor with rssi via
btmgmt on a kernel 6.1 machine.

Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Fixes: b338d91703fa ("Bluetooth: Implement support for Mesh")
Signed-off-by: Howard Chung <howardchung@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-03-23 13:09:38 -07:00
Zheng Wang
1e9ac114c4 Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
In btsdio_probe, &data->work was bound with btsdio_work.In
btsdio_send_frame, it was started by schedule_work.

If we call btsdio_remove with an unfinished job, there may
be a race condition and cause UAF bug on hdev.

Fixes: ddbaf13e3609 ("[Bluetooth] Add generic driver for Bluetooth SDIO devices")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-03-23 13:09:38 -07:00
Luiz Augusto von Dentz
9aa9d9473f Bluetooth: L2CAP: Fix responding with wrong PDU type
L2CAP_ECRED_CONN_REQ shall be responded with L2CAP_ECRED_CONN_RSP not
L2CAP_LE_CONN_RSP:

L2CAP LE EATT Server - Reject - run
  Listening for connections
  New client connection with handle 0x002a
  Sending L2CAP Request from client
  Client received response code 0x15
  Unexpected L2CAP response code (expected 0x18)
L2CAP LE EATT Server - Reject - test failed

> ACL Data RX: Handle 42 flags 0x02 dlen 26
      LE L2CAP: Enhanced Credit Connection Request (0x17) ident 1 len 18
        PSM: 39 (0x0027)
        MTU: 64
        MPS: 64
        Credits: 5
        Source CID: 65
        Source CID: 66
        Source CID: 67
        Source CID: 68
        Source CID: 69
< ACL Data TX: Handle 42 flags 0x00 dlen 16
      LE L2CAP: LE Connection Response (0x15) ident 1 len 8
        invalid size
        00 00 00 00 00 00 06 00

L2CAP LE EATT Server - Reject - run
  Listening for connections
  New client connection with handle 0x002a
  Sending L2CAP Request from client
  Client received response code 0x18
L2CAP LE EATT Server - Reject - test passed

Fixes: 15f02b910562 ("Bluetooth: L2CAP: Add initial code for Enhanced Credit Based Mode")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-03-23 13:09:38 -07:00