In cs35l56_dsp_work() check that the request for runtime-resume was
successful instead of assuming that it can't fail.
We may as well do this using the new PM_RUNTIME_ACQUIRE*() macros and
remove the manual pm_runtime_put_autosuspend() and associated gotos.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260511114239.44970-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The smn_read_register() helper returns negative error codes on failure
or the register value on success. When used with read_poll_timeout(),
the return value is stored in the 'data' variable.
Currently 'data' is declared as u32, which causes negative error codes
to be cast to large positive values. This makes the condition 'data > 0'
incorrectly treat errors as success.
Fix by changing 'data' from u32 to int, matching the pattern used in
psp_mbox_ready() which correctly handles the same helper function.
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/linux-sound/agGES8vWrLOrBu28@stanley.mountain/
Fixes: f120cf33d2 ("ASoC: SOF: amd: Use AMD_NODE")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260511153638.724810-1-mario.limonciello@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Bard Liao <yung-chuan.liao@linux.intel.com> says:
The RT712 and RT721 codec mic are optional and are not used on some
products. Add a quirk to make it optional and skip the codec mic DAI
when it is not present in DisCo table.
Link: https://patch.msgid.link/20260508093224.1246282-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a quirk to skip the CODEC_MIC DAI when it is not present.
This ensures PCH_DMIC is used as the fallback; otherwise,
CODEC_MIC remains the default.
Fixes: 846a8d3cf3 ("ASoC: Intel: soc-acpi-intel-ptl-match: Add rt721 support")
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260508093224.1246282-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Some devices do not use CODEC_MIC but use the host PCH_DMIC
instead. Add a quirk to skip the CODEC_MIC DAI when it is not present
in disco table, ensuring the correct capture device is used.
If CODEC_MIC is present, it continues to be used as default.
Fixes: 9489db97f6 ("ASoC: sdw_utils: add SmartMic DAI for RT712 VB")
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260508093224.1246282-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a SoundWire machine table entry for the LG Gram Pro 2026
(16Z90U-KU7BK), which has an unusual configuration:
sdw:0:1:025d:1320:01 single stereo RT1320 SmartAmp on link 1
sdw:0:3:025d:0713:01 RT713 jack/headset codec on link 3
Existing rt713-rt1320 boards have two RT1320 amps on different links
("link_mask = BIT(1) | BIT(2) | BIT(3)"). The LG Gram uses a single
stereo RT1320 chip, so the new entry uses "link_mask = BIT(1) |
BIT(3)" with the existing rt1320_1_group2_adr structure, leaving the
two-channel routing to the topology.
The RT713 on this board does not expose a SMART_MIC function in
ACPI, so the .machine_check callback used by the existing entries
(snd_soc_acpi_intel_sdca_is_device_rt712_vb) would reject this
board. Drop machine_check for the new entry; speaker output and
the headset jack do not depend on the SMART_MIC presence check.
The corresponding topology source has been submitted to the SOF
project at https://github.com/thesofproject/sof/pull/10760 . The
generated sof-ptl-rt713-l3-rt1320-l1-2ch.tplg and
nhlt-sof-ptl-rt713-l3-rt1320-l1.bin will follow in linux-firmware
once that lands.
Tested on Ubuntu 26.04 with kernel 7.0.0-15: speaker (RT1320
stereo), headphone jack with auto-routing, headset mic, and the
internal NHLT DMIC array all work via the UCM HiFi profile.
Signed-off-by: Jang Pyohwan <vhgksl@daum.net>
Link: https://patch.msgid.link/20260509175317.DnhjxHczQay7kkp5z6t4lg@vhgksl.daum.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Add support for using the rt712 multi-function codec on link 0 and the
rt1320 amplifier on link 3 on ARL platforms.
Signed-off-by: Gary C Wang <gary.c.wang@intel.com>
Co-developed-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260508104239.1247525-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
When the SOF device driver enumerates the machine tables,
it selects the entry with the most numbers of matched links in
ascending order.
Align the ordering with commit 08095e2099
("ASoC: Intel: soc-acpi-intel-ptl-match: Sort ACPI link/machine tables").
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260508104239.1247525-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
On platforms where the HID2 SPI controller (AMDI0063) is enumerated via
ACPI instead of PCI, amd_spi_probe() unconditionally sets bus_num to 0,
while the PCI probe path assigns bus_num 2 for HID2 controller.
Align the ACPI probe path to use the same bus number so that userspace
and SPI client drivers see a consistent bus assignment regardless of the
enumeration method.
Fixes: b644c27766 ("spi: spi_amd: Add PCI-based driver for AMD HID2 SPI controller")
Cc: stable@vger.kernel.org # v6.16+
Signed-off-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Link: https://patch.msgid.link/20260507180051.4158674-1-krishnamoorthi.m@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
A phandle-array is really a matrix and needs constraints on the number
of elements for both the inner and outer dimensions. Add the missing
inner constraints.
Fixes: 472d77bdc5 ("ASoC: dt-bindings: mediatek,mt8173-rt5650-rt5514: convert to DT schema")
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260508182438.1757394-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
As I cannot spend adequate time to fulfill my role as maintainer for the
TI ASoC drivers, it is for the better if I resign and hand over the role
to Sen Wang.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Acked-by: Nishanth Menon <nm@ti.com>
Link: https://patch.msgid.link/20260505164744.16134-1-peter.ujfalusi@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The DATA-packet handler in rxrpc_input_call_event() and the RESPONSE
handler in rxrpc_verify_response() copy the skb to a linear one before
calling into the security ops only when skb_cloned() is true. An skb
that is not cloned but still carries externally-owned paged fragments
(e.g. SKBFL_SHARED_FRAG set by splice() into a UDP socket via
__ip_append_data, or a chained skb_has_frag_list()) falls through to
the in-place decryption path, which binds the frag pages directly into
the AEAD/skcipher SGL via skb_to_sgvec().
Extend the gate to also unshare when skb_has_frag_list() or
skb_has_shared_frag() is true. This catches the splice-loopback vector
and other externally-shared frag sources while preserving the
zero-copy fast path for skbs whose frags are kernel-private (e.g. NIC
page_pool RX, GRO). The OOM/trace handling already in place is reused.
Fixes: d0d5c0cd1e ("rxrpc: Use skb_unshare() rather than skb_cow_data()")
Cc: stable@vger.kernel.org
Signed-off-by: Hyunwoo Kim <imv4bel@gmail.com>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Mark the DDR bus clk critical in the SpaceMiT driver so that
boot doesn't fail
- Fix boot on Mobile EyeQ by creating the auxiliary device for
the ethernet PHY
- Plug an OF node leak in Rockchip rk808 clk driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk driver fixes from Stephen Boyd:
- Mark the DDR bus clk critical in the SpaceMiT driver so that
boot doesn't fail
- Fix boot on Mobile EyeQ by creating the auxiliary device for
the ethernet PHY
- Plug an OF node leak in Rockchip rk808 clk driver
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: rk808: fix OF node reference imbalance
MAINTAINERS: add myself as a reviewer for the clk subsystem
reset: eyeq: drop device_set_of_node_from_dev() done by parent
clk: eyeq: add EyeQ5 children auxiliary device for generic PHYs
clk: eyeq: use the auxiliary device creation helper
clk: spacemit: k3: mark top_dclk as CLK_IS_CRITICAL
BPF_MAP_TYPE_ARENA accepts BPF_PSEUDO_MAP_VALUE offsets at exactly
the end of the arena mapping (off == arena_size). The boundary check
in arena_map_direct_value_addr() uses `>` instead of `>=`, which
incorrectly allows a one-past-end pointer to be accepted.
Change the condition to `>=` to correctly reject offsets that fall
outside the valid arena user_vm range.
Fixes: 317460317a ("bpf: Introduce bpf_arena.")
Signed-off-by: Junyoung Jang <graypanda.inzag@gmail.com>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260426172505.1947915-1-graypanda.inzag@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
XSKMAP entries are used as redirect targets for incoming XDP frames.
A TX-only AF_XDP socket lacks an Rx ring and cannot handle redirected
traffic, but xsk_map_update_elem() currently allows such sockets to
be inserted into the map.
Redirecting packets to such a socket on the veth generic-XDP path
causes a kernel crash in xsk_generic_rcv().
This became possible after xsk_is_setup_for_bpf_map() was removed from
the XSKMAP update path, which allowed bound TX-only sockets to be
inserted into the map.
Reject TX-only sockets during XSKMAP updates to avoid the crash.
They remain fully operational for pure Tx purposes outside XSKMAP.
Fixes: 968be23cea ("xsk: Fix possible segfault at xskmap entry insertion")
Reported-by: Juefei Pu <tomapufckgml@gmail.com>
Reported-by: Yuan Tan <yuantan098@gmail.com>
Reported-by: Xin Liu <bird@lzu.edu.cn>
Signed-off-by: Yifan Wu <yifanwucs@gmail.com>
Signed-off-by: Linpu Yu <linpu5433@gmail.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://lore.kernel.org/r/20260508144344.694-1-linpu5433@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Because subprog 0, the main subprog, is considered a global function,
we end up running the arg-tracking dataflow analysis twice on it. That
results in slightly longer verification but mostly in more verbose
verifier logs. This patch fixes it by keeping only the iteration over
global subprogs.
When running over all of Cilium's programs with BPF_LOG_LEVEL2, this
reduces verbosity by ~20% on average.
Fixes: bf0c571f7f ("bpf: introduce forward arg-tracking dataflow analysis")
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/e4d7b53d4963ef520541a782f5fc8108a168877c.1778176504.git.paul.chaignon@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Fix a regression in overlayfs caused by an fsverity API change
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux
Pull fsverity fix from Eric Biggers:
"Fix a regression in overlayfs caused by an fsverity API change"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
ovl: fix verity lazy-load guard broken by fsverity_active() semantic change
Here are two small staging driver fixes for 7.1-rc3. They are:
- vme_user root device leak fix
- NULL dereference bugfix in the rtl8723bs driver
Both of these have been in linux-next all this week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for 7.1-rc3. They are:
- vme_user root device leak fix
- NULL dereference bugfix in the rtl8723bs driver
Both of these have been in linux-next all this week with no reported
issues"
* tag 'staging-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: os_dep: avoid NULL pointer dereference in rtw_cbuf_alloc
staging: vme_user: fix root device leak on init failure
Here are some small USB driver fixes for 7.1-rc3 to resolve some
reported issues, and a new device id. These are:
- usblp driver heap leak fixes
- ulpi driver memory leak fix
- typec driver fixes
- dwc3 driver fix
- omap dma driver fix
- new option driver device id addition
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes for 7.1-rc3 to resolve some
reported issues, and a new device id. These are:
- usblp driver heap leak fixes
- ulpi driver memory leak fix
- typec driver fixes
- dwc3 driver fix
- omap dma driver fix
- new option driver device id addition
All of these have been in linux-next for over a week with no reported
issues"
* tag 'usb-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: option: add Telit Cinterion LE910Cx compositions
usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl
usb: usblp: fix heap leak in IEEE 1284 device ID via short response
usb: dwc3: Move GUID programming after PHY initialization
usb: typec: tcpm: fix debug accessory mode detection for sink ports
usb: typec: tcpm: reset internal port states on soft reset AMS
usb: ulpi: fix memory leak on ulpi_register() error paths
USB: omap_udc: DMA: Don't enable burst 4 mode
- sanitize more input parameters in the core (found by syzkaller)
- usual set of driver fixes (proper completion handling, applying
quirks, correct workqueue selection...)
- ID additions to simplify dependency handling
- new email address for Peter Rosin
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Merge tag 'i2c-for-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- sanitize more input parameters in the core (found by syzkaller)
- usual set of driver fixes (proper completion handling, applying
quirks, correct workqueue selection...)
- ID additions to simplify dependency handling
- new email address for Peter Rosin
* tag 'i2c-for-7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: smbus: reject oversized block transfers in the common path
MAINTAINERS: Update mail for Peter Rosin
i2c: stub: Reject I2C block transfers with invalid length
i2c: Compare the return value of gpiod_get_direction against GPIO_LINE_DIRECTION_OUT
i2c: dev: prevent integer overflow in I2C_TIMEOUT ioctl
i2c: acpi: Add ELAN0678 to i2c_acpi_force_100khz_device_ids
dt-bindings: i2c: apple,i2c: Add t8122 compatible
i2c: stm32f7: reinit_completion() per transfer not per msg
dt-bindings: i2c: amlogic: Add compatible for T7 SOC
i2c: testunit: Replace system_long_wq with system_dfl_long_wq
- Fix KASAN sanitization flag for core_$(BITS).o
- Fixes for handling offset values in pseries htmdump
- Fix interrupt mask in cpm1_gpiochip_add16()
- ps3/pasemi fixes to drop redundant result assignment
- Fixes in papr-hvpipe code path
- powerpc/perf: Update check for PERF_SAMPLE_DATA_SRC marked events
Thanks to:
Aboorva Devarajan, Athira Rajeev, Christophe Leroy (CS GROUP), Geert
Uytterhoeven, Haren Myneni, Krzysztof Kozlowski, Mukesh Kumar Chaurasiya (IBM),
Nathan Chancellor, Ritesh Harjani (IBM), Shivani Nittor, Sourabh Jain, Thomas
Zimmermann, Venkat Rao Bagalkote
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Merge tag 'powerpc-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan:
- Fix KASAN sanitization flag for core_$(BITS).o
- Fixes for handling offset values in pseries htmdump
- Fix interrupt mask in cpm1_gpiochip_add16()
- ps3/pasemi fixes to drop redundant result assignment
- Fixes in papr-hvpipe code path
- powerpc/perf: Update check for PERF_SAMPLE_DATA_SRC marked events
Thanks to Aboorva Devarajan, Athira Rajeev, Christophe Leroy (CS GROUP),
Geert Uytterhoeven, Haren Myneni, Krzysztof Kozlowski, Mukesh Kumar
Chaurasiya (IBM), Nathan Chancellor, Ritesh Harjani (IBM), Shivani
Nittor, Sourabh Jain, Thomas Zimmermann, and Venkat Rao Bagalkote.
* tag 'powerpc-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (21 commits)
powerpc/pasemi: Drop redundant res assignment
powerpc/ps3: Drop redundant result assignment
powerpc/vdso: Drop -DCC_USING_PATCHABLE_FUNCTION_ENTRY from 32-bit flags with clang
arch/powerpc: Drop CONFIG_FIRMWARE_EDID from defconfig files
powerpc/perf: Update check for PERF_SAMPLE_DATA_SRC marked events
powerpc/8xx: Fix interrupt mask in cpm1_gpiochip_add16()
powerpc/vmx: avoid KASAN instrumentation in enter_vmx_ops() for kexec
powerpc/kdump: fix KASAN sanitization flag for core_$(BITS).o
pseries/papr-hvpipe: Fix style and checkpatch issues in enable_hvpipe_IRQ()
pseries/papr-hvpipe: Refactor and simplify hvpipe_rtas_recv_msg()
pseries/papr-hvpipe: Kill task_struct pointer from struct hvpipe_source_info
pseries/papr-hvpipe: Simplify spin unlock usage in papr_hvpipe_handle_release()
pseries/papr-hvpipe: Fix the usage of copy_to_user()
pseries/papr-hvpipe: Fix & simplify error handling in papr_hvpipe_init()
pseries/papr-hvpipe: Fix null ptr deref in papr_hvpipe_dev_create_handle()
pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace
pseries/papr-hvpipe: Fix race with interrupt handler
powerpc/pseries/htmdump: Add memory configuration dump support to htmdump module
powerpc/pseries/htmdump: Fix the offset value used in htm status dump
powerpc/pseries/htmdump: Fix the offset value used in processor configuration dump
...
- Fix spurious failures in rseq self-tests (Mark Brown)
- Fix rseq rseq::cpu_id_start ABI regression due to
TCMalloc's creative use of the supposedly read-only field.
The fix is to introduce a new ABI variant based on
a new (larger) rseq area registration size, to keep
the TCMalloc use of rseq backwards compatible on new kernels.
(Thomas Gleixner)
- Fix wakeup_preempt_fair() for not waking up task (Vincent Guittot)
- Fix s64 mult overflow in vruntime_eligible() (Zhan Xusheng)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix spurious failures in rseq self-tests (Mark Brown)
- Fix rseq rseq::cpu_id_start ABI regression due to TCMalloc's creative
use of the supposedly read-only field
The fix is to introduce a new ABI variant based on a new (larger)
rseq area registration size, to keep the TCMalloc use of rseq
backwards compatible on new kernels (Thomas Gleixner)
- Fix wakeup_preempt_fair() for not waking up task (Vincent Guittot)
- Fix s64 mult overflow in vruntime_eligible() (Zhan Xusheng)
* tag 'sched-urgent-2026-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix wakeup_preempt_fair() for not waking up task
sched/fair: Fix overflow in vruntime_eligible()
selftests/rseq: Expand for optimized RSEQ ABI v2
rseq: Reenable performance optimizations conditionally
rseq: Implement read only ABI enforcement for optimized RSEQ V2 mode
selftests/rseq: Validate legacy behavior
selftests/rseq: Make registration flexible for legacy and optimized mode
selftests/rseq: Skip tests if time slice extensions are not available
rseq: Revert to historical performance killing behaviour
rseq: Don't advertise time slice extensions if disabled
rseq: Protect rseq_reset() against interrupts
rseq: Set rseq::cpu_id_start to 0 on unregistration
selftests/rseq: Don't run tests with runner scripts outside of the scripts
rather than the tracer's.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
- ptrace(PTRACE_SETREGSET) fix to zero the target's fpsimd_state rather
than the tracer's
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/fpsimd: ptrace: zero target's fpsimd_state, not the tracer's
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Merge tag 'pci-v7.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Don't fallback to bus reset after failed slot reset; a bus reset
isn't safe if the .reset_slot() callback is implemented (Keith Busch)
- Update saved_config_space upon resource assignment to fix passthrough
regressions when x86 pcibios_assign_resources() updates BARs (Lukas
Wunner)
- Initialize a temporary pci_dev->dev in sysfs 'new_id' attribute to
fix a lockdep regression after driver_override was moved from PCI to
device core (Samiullah Khawaja)
- Update MAINTAINERS email addresses (Marek Vasut, Hans Zhang)
- Add MAINTAINERS reviewer for PCIe Cadence IP (Aksh Garg)
* tag 'pci-v7.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
MAINTAINERS: Add Aksh Garg as PCIe CADENCE reviewer
MAINTAINERS: Update Hans Zhang email for PCIe CIX Sky1
MAINTAINERS: Update Marek Vasut email for PCIe R-Car
PCI: Initialize temporary device in new_id_store()
PCI: Update saved_config_space upon resource assignment
PCI: Don't fallback to bus reset after failed slot reset
I wish to contribute to the review process for Cadence PCIe IP drivers,
hence add myself as a reviewer.
Signed-off-by: Aksh Garg <a-garg7@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260508060951.840233-1-a-garg7@ti.com
When setting new_id of a PCI device driver using sysfs a lockdep splat
occurs. This is because new_id_store() builds a temporary pci_dev for
pci_match_device(), which calls device_match_driver_override(). That
depends on the driver_override.lock added by cb3d1049f4 ("driver core:
generalize driver_override in struct device").
The new driver_override.lock was not initialized in the temporary pci_dev,
resulting in this lockdep splat.
Initialize the temporary pci_dev to fix this.
Repro:
Build with CONFIG_LOCKDEP=y, boot with QEMU, and add a new ID:
# echo "8086 10f5" > /sys/bus/pci/drivers/e1000e/new_id
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 2 UID: 0 PID: 177 Comm: liveupdate-iomm Not tainted 7.0.0+ #9 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x5d/0x80
register_lock_class+0x77e/0x790
lock_acquire+0xbf/0x2e0
pci_match_device+0x24/0x180
new_id_store+0x189/0x1d0
kernfs_fop_write_iter+0x14f/0x210
vfs_write+0x263/0x5e0
ksys_write+0x79/0xf0
do_syscall_64+0x117/0xf80
Fixes: 10a4206a24 ("PCI: use generic driver_override infrastructure")
Fixes: 8895d3bcb8 ("PCI: Fail new_id for vendor/device values already built into driver")
Signed-off-by: Samiullah Khawaja <skhawaja@google.com>
[bhelgaas: add commit log details and repro, trim backtrace]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260505234327.716630-1-skhawaja@google.com
Bernd reports passthrough failure of a Digital Devices Cine S2 V6 DVB
adapter plugged into an ASRock X570S PG Riptide board with BIOS version
P5.41 (09/07/2023):
ddbridge 0000:05:00.0: detected Digital Devices Cine S2 V6 DVB adapter
ddbridge 0000:05:00.0: cannot read registers
ddbridge 0000:05:00.0: fail
BIOS assigns an incorrect BAR to the DVB adapter which doesn't fit into the
upstream bridge window. The kernel corrects the BAR assignment:
pci 0000:07:00.0: BAR 0 [mem 0xfffffffffc500000-0xfffffffffc50ffff 64bit]: can't claim; no compatible bridge window
pci 0000:07:00.0: BAR 0 [mem 0xfc500000-0xfc50ffff 64bit]: assigned
Correction of the BAR assignment happens in an x86-specific fs_initcall,
pcibios_assign_resources(), after device enumeration in a subsys_initcall.
This order was introduced at the behest of Linus in 2004:
https://git.kernel.org/tglx/history/c/a06a30144bbc
No other architecture performs such a late BAR correction.
Bernd bisected the issue to commit a2f1e22390 ("PCI/ERR: Ensure error
recoverability at all times"), but it only occurs in the absence of commit
4d4c10f763 ("PCI: Explicitly put devices into D0 when initializing").
This combination exists in stable kernel v6.12.70, but not in mainline,
hence Bernd cannot reproduce the issue with mainline.
Since a2f1e22390, config space is saved on enumeration, prior to BAR
correction. Upon passthrough, the corrected BAR is overwritten with the
incorrect saved value by:
vfio_pci_core_register_device()
vfio_pci_set_power_state()
pci_restore_state()
But only if the device's current_state is PCI_UNKNOWN, as it was prior to
commit 4d4c10f763. Since the commit, it is PCI_D0, which changes the
behavior of vfio_pci_set_power_state() to no longer restore the state
without saving it first.
Alexandre is reporting the same issue as Bernd, but in his case, mainline
is affected as well. The difference is that on Alexandre's system, the
host kernel binds a driver to the device which is unbound prior to
passthrough, whereas on Bernd's system no driver gets bound by the host
kernel.
Unbinding sets current_state to PCI_UNKNOWN in pci_device_remove(), so when
vfio-pci is subsequently bound to the device, pci_restore_state() is once
again called without invoking pci_save_state() first.
To robustly fix the issue, always update saved_config_space upon resource
assignment.
Reported-by: Bernd Schumacher <bernd@bschu.de>
Closes: https://lore.kernel.org/r/acfZrlP0Ua_5D3U4@eldamar.lan/
Reported-by: Alexandre N. <an.tech@mailo.com>
Closes: https://lore.kernel.org/r/dd3c3358-de0f-4a56-9c81-04aceaab4058@mailo.com/
Fixes: a2f1e22390 ("PCI/ERR: Ensure error recoverability at all times")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Bernd Schumacher <bernd@bschu.de>
Tested-by: Alexandre N. <an.tech@mailo.com>
Cc: stable@vger.kernel.org # v6.12+
Link: https://patch.msgid.link/febc3f354e0c1f5a9f5b3ee9ffddaa44caccf651.1776268054.git.lukas@wunner.de
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Merge tag 'block-7.1-20260508' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Fix for ublk not doing an actual issue from the task_work fallback
path. Any request hitting that should be canceled automatically
- Fix for uring_cmd prep side handling, for the block side uring_cmd
discard handling
- Fix for missing validation of the io and physical block size shifts
- Fix for a use-after-free in ublk's cancel command handling
* tag 'block-7.1-20260508' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
ublk: fix use-after-free in ublk_cancel_cmd()
ublk: validate physical_bs_shift, io_min_shift and io_opt_shift
block: only read from sqe on initial invocation of blkdev_uring_cmd()
ublk: don't issue uring_cmd from fallback task work
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Merge tag 'io_uring-7.1-20260508' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Ensure that the absolute timeouts for both the command side and the
waiting side honor the callers time namespace
- Ensure tracked NAPI entries are cleared at unregistration time, as
the NAPI polling loop checks the list state rather than the general
NAPI state. This can lead to NAPI polling even after unregistration
has been done. If unregistered, all NAPI polling should be disabled
- Fix for eventfd recursive invocation handling
* tag 'io_uring-7.1-20260508' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/wait: honour caller's time namespace for IORING_ENTER_ABS_TIMER
io_uring/timeout: honour caller's time namespace for IORING_TIMEOUT_ABS
io_uring/eventfd: reset deferred signal state
io_uring/napi: clear tracked NAPI entries on unregister
sol_tcp_sockopt() only checks if sk->sk_protocol is IPPROTO_TCP,
but RAW socket can bypass it:
socket(AF_INET, SOCK_RAW, IPPROTO_TCP)
Let's use sk_is_tcp().
Note that initially sol_tcp_sockopt() checked sk->sk_prot->setsockopt.
Fixes: 2ab42c7b87 ("bpf: Check the protocol of a sock to agree the calls to bpf_setsockopt().")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260504210610.180150-7-kuniyu@google.com
bpf_skc_to_tcp6_sock() only checks if sk->sk_protocol is IPPROTO_TCP
and sk->sk_family is AF_INET6, but RAW socket can bypass it:
socket(AF_INET6, SOCK_RAW, IPPROTO_TCP)
Let's check sk->sk_type too.
Fixes: af7ec13833 ("bpf: Add bpf_skc_to_tcp6_sock() helper")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260504210610.180150-6-kuniyu@google.com
bpf_skc_to_tcp_sock() only checks if sk->sk_protocol is
IPPROTO_TCP, but RAW socket can bypass it:
socket(AF_INET, SOCK_RAW, IPPROTO_TCP)
Let's use sk_is_tcp().
Fixes: 478cfbdf5f ("bpf: Add bpf_skc_to_{tcp, tcp_timewait, tcp_request}_sock() helpers")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260504210610.180150-5-kuniyu@google.com
bpf_mptcp_sock_from_subflow() only checks if sk->sk_protocol is
IPPROTO_TCP, but RAW socket can bypass it:
socket(AF_INET, SOCK_RAW, IPPROTO_TCP)
In this case, it would NOT be valid to call sk_is_mptcp() which will
assume sk is a pointer to a struct tcp_sock, and wrongly checks for:
tcp_sk(sk)->is_mptcp.
Fixes: 3bc253c2e6 ("bpf: Add bpf_skc_to_mptcp_sock_proto")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260504210610.180150-4-kuniyu@google.com
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Merge tag 'v7.1-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Fix for two ACL issues (security fix to validate dacloffset better
and chmod fix)
- Fix out of bounds reads (in check_wsl_eas and smb2_check_msg for
symlinks)
- Two Kerberos fixes including an important one when AES-256 encryption
chosen
- Fix open_cached_dir problem when directory leases disabled
* tag 'v7.1-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: validate dacloffset before building DACL pointers
smb/client: fix out-of-bounds read in smb2_compound_op()
smb/client: fix out-of-bounds read in symlink_data()
smb: client: Zero-pad short GSS session keys per MS-SMB2
smb: client: Use FullSessionKey for AES-256 encryption key derivation
smb: client: use kzalloc to zero-initialize security descriptor buffer
cifs: abort open_cached_dir if we don't request leases
There's two main serieses here, fixing issues that came up in the
Microchip QSPI and Freescale i.MX drivers. Both of those could result
in some quite noticable issues if they were encountered in production.
We also have one minor documentation fix in the ch341 driver.
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Merge tag 'spi-fix-v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There's two main series here, fixing issues that came up in the
Microchip QSPI and Freescale i.MX drivers. Both of those could result
in some quite noticable issues if they were encountered in production.
We also have one minor documentation fix in the ch341 driver"
* tag 'spi-fix-v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: ch341: correct company name in MODULE_DESCRIPTION
spi: microchip-core-qspi: remove some inline markings
spi: microchip-core-qspi: don't attempt to transmit during emulated read-only dual/quad operations
spi: microchip-core-qspi: control built-in cs manually
spi: imx: Propagate prepare_transfer() error from spi_imx_setupxfer()
spi: imx: Fix UAF on package-1 prepare failure in spi_imx_dma_data_prepare()
spi: imx: Fix precedence bug in spi_imx_dma_max_wml_find()
A straightforward fix for an incorrect description of one of the
regulators on the Qualcomm PMH0101.
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Merge tag 'regulator-fix-v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A straightforward fix for an incorrect description of one of the
regulators on the Qualcomm PMH0101"
* tag 'regulator-fix-v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom-rpmh: Fix index for pmh0101 ldo16
