| Age | Commit message (Collapse) | Author |
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- new driver to support for LetSketch device (Hans de Goede)
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- PM wakeup support for i2c-hid driver (Matthias Kaehlcke)
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- locking performance improvement for hidraw code (André Almeida)
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- Apple Magic Keyboard support improvements (José Expósito, Alex Henrie,
Benjamin Berg)
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- support for USI style pens (Tero Kristo, Mika Westerberg)
- quirk for devices that need inverted X/Y axes (Alistair Francis)
- small core code cleanups and deduplication (Benjamin Tissoires)
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This function had kernel-doc that not used a hash to separate
the function name from the one line description.
The warning was found by running scripts/kernel-doc, which is
caused by using 'make W=1'.
drivers/hid/intel-ish-hid/ishtp-fw-loader.c:271: warning: This comment
starts with '/**', but isn't a kernel-doc comment. Refer
Documentation/doc-guide/kernel-doc.rst
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Specify that both TGL and ADL don't support DMA cache snooping.
Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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uclogic_params_frame_init_v1_buttonpad
The function performs a check on the hdev input parameters, however, it
is used before the check.
Initialize the udev variable after the sanity check to avoid a
possible NULL pointer dereference.
Fixes: 9614219e9310e ("HID: uclogic: Extract tablet parameter discovery into a module")
Addresses-Coverity-ID: 1443763 ("Null pointer dereference")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The function performs a check on its input parameters, however, the
hdev parameter is used before the check.
Initialize the stack variables after checking the input parameters to
avoid a possible NULL pointer dereference.
Fixes: 9614219e9310e ("HID: uclogic: Extract tablet parameter discovery into a module")
Addresses-Coverity-ID: 1443804 ("Null pointer dereference")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The function performs a check on the hdev input parameters, however, it
is used before the check.
Initialize the udev variable after the sanity check to avoid a
possible NULL pointer dereference.
Fixes: 9614219e9310e ("HID: uclogic: Extract tablet parameter discovery into a module")
Addresses-Coverity-ID: 1443827 ("Null pointer dereference")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The function performs a check on its input parameters, however, the
hdev parameter is used before the check.
Initialize the stack variables after checking the input parameters to
avoid a possible NULL pointer dereference.
Fixes: 9614219e9310e ("HID: uclogic: Extract tablet parameter discovery into a module")
Addresses-Coverity-ID: 1443831 ("Null pointer dereference")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add a new driver for the LetSketch / VSON WP9620N drawing tablet. This
drawing tablet is also sold under other brand names such as Case U,
presumably this driver will work for all of them. But it has only been
tested with a LetSketch WP9620N model.
These tablets also work without a special HID driver, but then only
part of the active area works and both the pad and stylus buttons are
hardwired to special key-combos. E.g. the 2 stylus buttons send right
mouse clicks / resp. "e" key presses.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=2005575
BugLink: https://github.com/DIGImend/digimend-kernel-drivers/issues/528
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Use the function key table introduced for the Magic Keyboard 2021
without fingerprint reader in the models with fingerprint reader and/or
numpad.
Tested with the ANSI variant of the keyboard with and without numpad.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The new 2021 apple models have a different FN key assignment. Add a new
translation table and use that for the 2021 magic keyboard.
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Apple Magic Trackpad 2021 (3rd generation) has the same product ID
as the 2nd generation. However, when connected through Bluetooth, the
version has changed from 0x107 to 0x110.
The other meaningful change is that the name has dropped the generation
number and now it is just "Apple Inc. Magic Trackpad", like the first
generation model.
Set the device name correctly to ensure the same driver settings are
loaded, whether connected via Bluetooth or USB.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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If the Apple Magic Trackpad 2 has been connected to a Mac, the name
is automatically personalized showing its owner name. For example:
"José Expósito's Trackpad".
When connected through Bluetooth, the personalized name is reported,
however, when connected through USB the generic name is reported.
Set the device name correctly to ensure the same driver settings are
loaded, whether connected via Bluetooth or USB.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Tested-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- NULL pointer dereference fix in Vivaldi driver (Jiasheng Jiang)
- regression fix for device probing in Holtek driver (Benjamin
Tissoires)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: potential dereference of null pointer
HID: holtek: fix mouse probing
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Pull rdma fixes from Jason Gunthorpe:
"Last fixes before holidays. Nothing very exciting:
- Work around a HW bug in HNS HIP08
- Recent memory leak regression in qib
- Incorrect use of kfree() for vmalloc memory in hns"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/hns: Replace kfree() with kvfree()
IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()
RDMA/hns: Fix RNR retransmission issue for HIP08
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"One small fix for a long standing issue with error handling on probe
in the Armada driver"
* tag 'spi-fix-v5.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: change clk_disable_unprepare to clk_unprepare
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Merge xen fixes from Juergen Gross:
"Fixes for two issues related to Xen and malicious guests:
- Guest can force the netback driver to hog large amounts of memory
- Denial of Service in other guests due to event storms"
* 'xsa' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/netback: don't queue unlimited number of packages
xen/netback: fix rx queue stall detection
xen/console: harden hvc_xen against event channel storms
xen/netfront: harden netfront against event channel storms
xen/blkfront: harden blkfront against event channel storms
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The return value of devm_kzalloc() needs to be checked.
To avoid hdev->dev->driver_data to be null in case of the failure of
alloc.
Fixes: 14c9c014babe ("HID: add vivaldi HID driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20211215083605.117638-1-jiasheng@iscas.ac.cn
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An overlook from the previous commit: we don't even parse or start the
device, meaning that the device is not presented to user space.
Fixes: 93020953d0fa ("HID: check for valid USB device for many HID drivers")
Cc: stable@vger.kernel.org
Link: https://bugs.archlinux.org/task/73048
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215341
Link: https://lore.kernel.org/r/e4efbf13-bd8d-0370-629b-6c80c0044b15@leemhuis.info/
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Clear the PCI_MSIX_FLAGS_MASKALL bit too on the error path so that it
is restored to its reset state
- Mask MSI-X vectors late on the init path in order to handle
out-of-spec Marvell NVME devices which apparently look at the MSI-X
mask even when MSI-X is disabled
* tag 'irq_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
PCI/MSI: Clear PCI_MSIX_FLAGS_MASKALL on error
PCI/MSI: Mask MSI-X vectors only on success
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are two small tty/serial fixes for 5.16-rc6. They include:
- n_hdlc fix for syzbot reported problem that you were previously
copied on.
- 8250_fintek driver fix that resolved a console problem by removing
a previous change.
Both have been in linux-next with no reported issues"
* tag 'tty-5.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_fintek: Fix garbled text for console
tty: n_hdlc: make n_hdlc_tty_wakeup() asynchronous
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes for reported problems.
They include:
- dwc2 driver fixes
- xhci driver fixes
- cdnsp driver fixes
- typec driver fix
- gadget u_ether driver fix
- new quirk additions
- usb gadget endpoint calculation fix
- usb serial new device ids
- revert of a xhci-dbg change that broke early debug booting
All changes, except for the revert, have been in linux-next with no
reported problems. The revert was from yesterday, and it was reported
by the developers affected that it resolved their problem"
* tag 'usb-5.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "usb: early: convert to readl_poll_timeout_atomic()"
usb: typec: tcpm: fix tcpm unregister port but leave a pending timer
usb: cdnsp: Fix lack of spin_lock_irqsave/spin_lock_restore
USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
usb: xhci: Extend support for runtime power management for AMD's Yellow carp.
usb: dwc2: fix STM ID/VBUS detection startup delay in dwc2_driver_probe
USB: gadget: bRequestType is a bitfield, not a enum
USB: serial: option: add Telit FN990 compositions
USB: serial: cp210x: fix CP2105 GPIO registration
usb: cdnsp: Fix incorrect status for control request
usb: cdnsp: Fix issue in cdnsp_log_ep trace event
usb: cdnsp: Fix incorrect calling of cdnsp_died function
usb: xhci-mtk: fix list_del warning when enable list debug
usb: gadget: u_ether: fix race in setting MAC address in setup phase
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull libata fix from Damien Le Moal:
"A single fix for this cycle:
- Check that ATA16 passthrough commands that do not transfer any data
have a DMA direction set to DMA_NONE (From George)"
* tag 'libata-5.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
libata: if T_LENGTH is zero, dma direction should be DMA_NONE
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One driver fix: the pm8001 has never actually worked on a system with
an IOMMU and this fixes that use case"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pm8001: Fix phys_to_virt() usage on dma_addr_t
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Pull block fixes from Jens Axboe:
- Fix for hammering on the delayed run queue timer (me)
- bcache regression fix for this merge window (Lin)
- Fix a divide-by-zero in the blk-iocost code (Tejun)
* tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block:
bcache: fix NULL pointer reference in cached_dev_detach_finish
block: reduce kblockd_mod_delayed_work_on() CPU consumption
iocost: Fix divide-by-zero on donation from low hweight cgroup
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"A bunch of driver fixes, notably:
- uninit variable fix for dw-axi-dmac driver
- return value check dw-edma driver
- calling wq quiesce inside spinlock and missed completion for idxd
driver
- mod alias fix for st_fdma driver"
* tag 'dmaengine-fix-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: st_fdma: fix MODULE_ALIAS
dmaengine: idxd: fix missed completion on abort path
dmaengine: ti: k3-udma: Fix smatch warnings
dmaengine: idxd: fix calling wq quiesce inside spinlock
dmaengine: dw-edma: Fix return value check for dma_set_mask_and_coherent()
dmaengine: dw-axi-dmac: Fix uninitialized variable in axi_chan_block_xfer_start()
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Pull drm fixes from Dave Airlie:
"Mostly amdgpu fixes this week scattered around the driver, otherwise
one i915, one ast, one simpledrm. There is a revert in the fb-helper
for places userspace was using a string that we tried to change.
i915:
- Fix a bound check in the DMC fw load.
ast:
- NULL ptr deref fix
simpledrm:
- pixel clock units fix
fb-helper:
- userspace regression revert
amdgpu:
- Fix RLC register offset
- GMC fix
- Properly cache SMU FW version on Yellow Carp
- Fix missing callback on DCN3.1
- Reset DMCUB before HW init
- Fix for GMC powergating on PCO
- Fix a possible memory leak in GPU metrics table handling on RN"
* tag 'drm-fixes-2021-12-17-1' of git://anongit.freedesktop.org/drm/drm:
drm/amd/pm: fix a potential gpu_metrics_table memory leak
drm/amdgpu: correct the wrong cached state for GMC on PICASSO
drm/amd/display: Reset DMCUB before HW init
drm/amd/display: Set exit_optimized_pwr_state for DCN31
drm/amd/pm: fix reading SMU FW version from amdgpu_firmware_info on YC
drm/amdgpu: don't override default ECO_BITs setting
drm/amdgpu: correct register access for RLC_JUMP_TABLE_RESTORE
drm/i915/display: Fix an unsigned subtraction which can never be negative.
drm/ast: potential dereference of null pointer
drm: simpledrm: fix wrong unit with pixel clock
Revert "drm/fb-helper: improve DRM fbdev emulation device names"
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This reverts commit 796eed4b2342c9d6b26c958e92af91253a2390e1.
This change causes boot lockups when using "arlyprintk=xdbc" because
ktime can not be used at this point in time in the boot process. Also,
it is not needed for very small delays like this.
Reported-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Cc: Jann Horn <jannh@google.com>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Fixes: 796eed4b2342 ("usb: early: convert to readl_poll_timeout_atomic()")
Link: https://lore.kernel.org/r/c2b5c9bb-1b75-bf56-3754-b5b18812d65e@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.16-rc6
Here's a fix for a reported problem in the cp210x gpio-registration code
and some more modem device ids.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.16-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add Telit FN990 compositions
USB: serial: cp210x: fix CP2105 GPIO registration
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.16-2021-12-15:
amdgpu:
- Fix RLC register offset
- GMC fix
- Properly cache SMU FW version on Yellow Carp
- Fix missing callback on DCN3.1
- Reset DMCUB before HW init
- Fix for GMC powergating on PCO
- Fix a possible memory leak in GPU metrics table handling on RN
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211216035239.5787-1-alexander.deucher@amd.com
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ssh://git.freedesktop.org/git/drm/drm-misc into drm-fixes
One null pointer dereference fix for ast, a pixel clock unit fix for
simpledrm and a user-space regression revert for fb-helper
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211216082603.pm6yzlckmxvwnqyv@houat
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Avoid data corruption by rejecting pass-through commands where
T_LENGTH is zero (No data is transferred) and the dma direction
is not DMA_NONE.
Cc: <stable@vger.kernel.org>
Reported-by: syzkaller<syzkaller@googlegroups.com>
Signed-off-by: George Kennedy<george.kennedy@oracle.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from mac80211, wifi, bpf.
Relatively large batches of fixes from BPF and the WiFi stack, calm in
general networking.
Current release - regressions:
- dpaa2-eth: fix buffer overrun when reporting ethtool statistics
Current release - new code bugs:
- bpf: fix incorrect state pruning for <8B spill/fill
- iavf:
- add missing unlocks in iavf_watchdog_task()
- do not override the adapter state in the watchdog task (again)
- mlxsw: spectrum_router: consolidate MAC profiles when possible
Previous releases - regressions:
- mac80211 fixes:
- rate control, avoid driver crash for retransmitted frames
- regression in SSN handling of addba tx
- a memory leak where sta_info is not freed
- marking TX-during-stop for TX in in_reconfig, prevent stall
- cfg80211: acquire wiphy mutex on regulatory work
- wifi drivers: fix build regressions and LED config dependency
- virtio_net: fix rx_drops stat for small pkts
- dsa: mv88e6xxx: unforce speed & duplex in mac_link_down()
Previous releases - always broken:
- bpf fixes:
- kernel address leakage in atomic fetch
- kernel address leakage in atomic cmpxchg's r0 aux reg
- signed bounds propagation after mov32
- extable fixup offset
- extable address check
- mac80211:
- fix the size used for building probe request
- send ADDBA requests using the tid/queue of the aggregation
session
- agg-tx: don't schedule_and_wake_txq() under sta->lock, avoid
deadlocks
- validate extended element ID is present
- mptcp:
- never allow the PM to close a listener subflow (null-defer)
- clear 'kern' flag from fallback sockets, prevent crash
- fix deadlock in __mptcp_push_pending()
- inet_diag: fix kernel-infoleak for UDP sockets
- xsk: do not sleep in poll() when need_wakeup set
- smc: avoid very long waits in smc_release()
- sch_ets: don't remove idle classes from the round-robin list
- netdevsim:
- zero-initialize memory for bpf map's value, prevent info leak
- don't let user space overwrite read only (max) ethtool parms
- ixgbe: set X550 MDIO speed before talking to PHY
- stmmac:
- fix null-deref in flower deletion w/ VLAN prio Rx steering
- dwmac-rk: fix oob read in rk_gmac_setup
- ice: time stamping fixes
- systemport: add global locking for descriptor life cycle"
* tag 'net-5.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (89 commits)
bpf, selftests: Fix racing issue in btf_skc_cls_ingress test
selftest/bpf: Add a test that reads various addresses.
bpf: Fix extable address check.
bpf: Fix extable fixup offset.
bpf, selftests: Add test case trying to taint map value pointer
bpf: Make 32->64 bounds propagation slightly more robust
bpf: Fix signed bounds propagation after mov32
sit: do not call ipip6_dev_free() from sit_init_net()
net: systemport: Add global locking for descriptor lifecycle
net/smc: Prevent smc_release() from long blocking
net: Fix double 0x prefix print in SKB dump
virtio_net: fix rx_drops stat for small pkts
dsa: mv88e6xxx: fix debug print for SPEED_UNFORCED
sfc_ef100: potential dereference of null pointer
net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup
net: usb: lan78xx: add Allied Telesis AT29M2-AF
net/packet: rx_owner_map depends on pg_vec
netdevsim: Zero-initialize memory for new map's value in function nsim_bpf_map_alloc
dpaa2-eth: fix ethtool statistics
ixgbe: set X550 MDIO speed before talking to PHY
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"There are a number of DT fixes, mostly for mistakes found through
static checking of the dts files again, as well as a couple of minor
changes to address incorrect DT settings.
For i.MX, there is yet another series of devitree changes to update
RGMII delay settings for ethernet, which is an ongoing problem after
some driver changes.
For SoC specific device drivers, a number of smaller fixes came up:
- i.MX SoC identification was incorrectly registered non-i.MX
machines when the driver is built-in
- One fix on imx8m-blk-ctrl driver to get i.MX8MM MIPI reset work
properly
- a few compile fixes for warnings that get in the way of -Werror
- a string overflow in the scpi firmware driver
- a boot failure with FORTIFY_SOURCE on Rockchips machines
- broken error handling in the AMD TEE driver
- a revert for a tegra reset driver commit that broke HDA"
* tag 'soc-fixes-5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
soc/tegra: fuse: Fix bitwise vs. logical OR warning
firmware: arm_scpi: Fix string overflow in SCPI genpd driver
soc: imx: Register SoC device only on i.MX boards
soc: imx: imx8m-blk-ctrl: Fix imx8mm mipi reset
ARM: dts: imx6ull-pinfunc: Fix CSI_DATA07__ESAI_TX0 pad name
arm64: dts: imx8mq: remove interconnect property from lcdif
ARM: socfpga: dts: fix qspi node compatible
arm64: dts: apple: add #interrupt-cells property to pinctrl nodes
dt-bindings: i2c: apple,i2c: allow multiple compatibles
arm64: meson: remove COMMON_CLK
arm64: meson: fix dts for JetHub D1
tee: amdtee: fix an IS_ERR() vs NULL bug
arm64: dts: apple: change ethernet0 device type to ethernet
arm64: dts: ten64: remove redundant interrupt declaration for gpio-keys
arm64: dts: rockchip: fix poweroff on helios64
arm64: dts: rockchip: fix audio-supply for Rock Pi 4
arm64: dts: rockchip: fix rk3399-leez-p710 vcc3v3-lan supply
arm64: dts: rockchip: fix rk3308-roc-cc vcc-sd supply
arm64: dts: rockchip: remove mmc-hs400-enhanced-strobe from rk3399-khadas-edge
ARM: rockchip: Use memcpy_toio instead of memcpy on smp bring-up
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"A single fix for the clk framework that needed some more bake time in
linux-next.
The problem is that two clks being registered at the same time can
lead to a busted clk tree if the parent isn't fully registered by the
time the child finds the parent. We rejigger the place where we mark
the parent as fully registered so that the child can't find the parent
until things are proper"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: Don't parent clks until the parent is fully registered
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix use after free in DM btree remove's rebalance_children()
- Fix DM integrity data corruption, introduced during 5.16 merge, due
to improper use of bvec_kmap_local()
* tag 'for-5.16/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm integrity: fix data corruption due to improper use of bvec_kmap_local
dm btree remove: fix use after free in rebalance_children()
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The descriptor list is a shared resource across all of the transmit queues, and
the locking mechanism used today only protects concurrency across a given
transmit queue between the transmit and reclaiming. This creates an opportunity
for the SYSTEMPORT hardware to work on corrupted descriptors if we have
multiple producers at once which is the case when using multiple transmit
queues.
This was particularly noticeable when using multiple flows/transmit queues and
it showed up in interesting ways in that UDP packets would get a correct UDP
header checksum being calculated over an incorrect packet length. Similarly TCP
packets would get an equally correct checksum computed by the hardware over an
incorrect packet length.
The SYSTEMPORT hardware maintains an internal descriptor list that it re-arranges
when the driver produces a new descriptor anytime it writes to the
WRITE_PORT_{HI,LO} registers, there is however some delay in the hardware to
re-organize its descriptors and it is possible that concurrent TX queues
eventually break this internal allocation scheme to the point where the
length/status part of the descriptor gets used for an incorrect data buffer.
The fix is to impose a global serialization for all TX queues in the short
section where we are writing to the WRITE_PORT_{HI,LO} registers which solves
the corruption even with multiple concurrent TX queues being used.
Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211215202450.4086240-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
soc/tegra: Fixes for v5.16-rc6
This contains a single build fix without which ARM allmodconfig builds
are broken if -Werror is enabled.
* tag 'tegra-for-5.16-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: fuse: Fix bitwise vs. logical OR warning
Link: https://lore.kernel.org/r/20211215162618.3568474-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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We found the stat of rx drops for small pkts does not increment when
build_skb fail, it's not coherent with other mode's rx drops stat.
Signed-off-by: Wenliang Wang <wangwenliang.1995@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Debug print uses invalid check to detect if speed is unforced:
(speed != SPEED_UNFORCED) should be used instead of (!speed).
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Andrey Eremeev <Axtone4all@yandex.ru>
Fixes: 96a2b40c7bd3 ("net: dsa: mv88e6xxx: add port's MAC speed setter")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The return value of kmalloc() needs to be checked.
To avoid use in efx_nic_update_stats() in case of the failure of alloc.
Fixes: b593b6f1b492 ("sfc_ef100: statistics gathering")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KASAN reports an out-of-bounds read in rk_gmac_setup on the line:
while (ops->regs[i]) {
This happens for most platforms since the regs flexible array member is
empty, so the memory after the ops structure is being read here. It
seems that mostly this happens to contain zero anyway, so we get lucky
and everything still works.
To avoid adding redundant data to nearly all the ops structures, add a
new flag to indicate whether the regs field is valid and avoid this loop
when it is not.
Fixes: 3bb3d6b1c195 ("net: stmmac: Add RK3566/RK3568 SoC support")
Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-12-15
This series contains updates to igb, igbvf, igc and ixgbe drivers.
Karen moves checks for invalid VF MAC filters to occur earlier for
igb.
Letu Ren fixes a double free issue in igbvf probe.
Sasha fixes incorrect min value being used when calculating for max for
igc.
Robert Schlabbach adds documentation on enabling NBASE-T support for
ixgbe.
Cyril Novikov adds missing initialization of MDIO bus speed for ixgbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case a guest isn't consuming incoming network traffic as fast as it
is coming in, xen-netback is buffering network packages in unlimited
numbers today. This can result in host OOM situations.
Commit f48da8b14d04ca8 ("xen-netback: fix unlimited guest Rx internal
queue and carrier flapping") meant to introduce a mechanism to limit
the amount of buffered data by stopping the Tx queue when reaching the
data limit, but this doesn't work for cases like UDP.
When hitting the limit don't queue further SKBs, but drop them instead.
In order to be able to tell Rx packages have been dropped increment the
rx_dropped statistics counter in this case.
It should be noted that the old solution to continue queueing SKBs had
the additional problem of an overflow of the 32-bit rx_queue_len value
would result in intermittent Tx queue enabling.
This is part of XSA-392
Fixes: f48da8b14d04ca8 ("xen-netback: fix unlimited guest Rx internal queue and carrier flapping")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
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Commit 1d5d48523900a4b ("xen-netback: require fewer guest Rx slots when
not using GSO") introduced a security problem in netback, as an
interface would only be regarded to be stalled if no slot is available
in the rx queue ring page. In case the SKB at the head of the queued
requests will need more than one rx slot and only one slot is free the
stall detection logic will never trigger, as the test for that is only
looking for at least one slot to be free.
Fix that by testing for the needed number of slots instead of only one
slot being available.
In order to not have to take the rx queue lock that often, store the
number of needed slots in the queue data. As all SKB dequeue operations
happen in the rx queue kernel thread this is safe, as long as the
number of needed slots is accessed via READ/WRITE_ONCE() only and
updates are always done with the rx queue lock held.
Add a small helper for obtaining the number of free slots.
This is part of XSA-392
Fixes: 1d5d48523900a4b ("xen-netback: require fewer guest Rx slots when not using GSO")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
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