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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Allow all MFD Cell properties to be filled in dynamically at
runtime
- Skip disabled device nodes and continue to look for subsequent
devices
New Device Support:
- Add support for Lunar Lake-M PCI to Intel LPSS PCI
- Add support for Denverton to Intel ICH LPC
New Functionality:
- Add support for Clocks to Texas Instruments TWL* Core
- Add support for Interrupts to STMicroelectronics STM32 Timers
Fix-ups:
- Convert to new devm-* (managed) power-off API
- Remove superfluous code
- Bunch of Device Tree additions, conversions and adaptions
- Simplify obtaining resources (memory, device data) using unified
API helpers
- Trivial coding-style / spelling type clean-ups
- Constify / staticify changes
- Expand or edit on existing documentation
- Convert some Regmap configurations to use the Maple Tree cache
- Apply new __counted_by() annotation to several data structures
containing flexible arrays
- Replace strncpy() with strscpy()
Bug Fixes:
- Remove double put creating reference imbalances
- Ensure headphone/lineout detection gets set when booting with ACPI"
* tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits)
mfd: lpc_ich: Mark *_gpio_offsets data with const
spmi: rename spmi device lookup helper
spmi: document spmi_device_from_of() refcounting
dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema
mfd: rk8xx: Add support for RK806 power off
mfd: rk8xx: Add support for standard system-power-controller property
dt-bindings: mfd: rk806: Allow system-power-controller property
dt-bindings: mfd: rk8xx: Deprecate rockchip,system-power-controller
dt-bindings: mfd: max8925: Convert to DT schema format
mfd: Use i2c_get_match_data() in a selection of drivers
mfd: Use device_get_match_data() in a bunch of drivers
mfd: mc13xxx-spi/wm831x-spi: Use spi_get_device_match_data()
mfd: motorola-cpcap: Drop unnecessary of_match_device() call
mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs
mfd: qcom-spmi-pmic: Switch to EXPORT_SYMBOL_GPL()
mfd: qcom-spmi-pmic: Fix revid implementation
mfd: qcom-spmi-pmic: Fix reference leaks in revid helper
mfd: intel-m10-bmc: Change contact for ABI docs
mfd: max8907: Convert to use maple tree register cache
mfd: max77686: Convert to use maple tree register cache
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Most of changes at this time are for ASoC, spread over ASoC core and
drivers due to the API prefix standardization.
Other than that, there have little change wrt API, rather lots of
driver-specific updates and fixes.
Some highlight below:
ASoC:
- Standardization of API prefix
- GPIO API usage improvements
- Support for HDA patches
- Lots of work on SOF, including crash dump support
- Fixes for noise when stopping some Sounwire CODECs
- Support for AMD platforms with es83xx, AMD ACP 6.3 and 7.0, Awinc
AT87390 and AW88399, many Intel platforms, many Mediatek platforms,
Qualcomm SM6115 and SC7180 platforms, Richtek RTQ9128 and Texas
Instruments TAS575x
HD-audio and USB-audio:
- Deferred probe support of audio component binding
- More fixes and enhancements for Cirrus subcodecs
- USB Scarlett2 mixer and McIntosh DSD quirk
Others:
- More enhancement of snd-aloop driver
- Update MAINTAINERS entry for linux-sound mailing list"
* tag 'sound-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (485 commits)
ALSA: hda: cs35l41: Fix missing error code in cs35l41_smart_amp()
ALSA: hda: cs35l41: mark cs35l41_verify_id() static
ASoC: codecs: wsa883x: make use of new mute_unmute_on_trigger flag
ASoC: soc-dai: add flag to mute and unmute stream during trigger
ASoC: ams-delta.c: use component after check
ASoC: amd: acp: select SND_SOC_AMD_ACP_LEGACY_COMMON for ACP63
ASoC: codecs: aw88399: fix typo in Kconfig select
ASoC: amd: acp: add ACPI dependency
ASoC: Intel: avs: Add rt5514 machine board
ASoC: Intel: avs: Add rt5514 machine board
ALSA: scarlett2: Add missing check with firmware version control
ALSA: virtio: use ack callback
ALSA: scarlett2: Remap Level Meter values
ALSA: scarlett2: Allow passing any output to line_out_remap()
ALSA: scarlett2: Add support for reading firmware version
ALSA: scarlett2: Rename Gen 3 config sets
ALSA: scarlett2: Rename scarlett_gen2 to scarlett2
ASoC: cs35l41: Detect CSPL errors when sending CSPL commands
ALSA: hda: cs35l41: Check CSPL state after loading firmware
ALSA: hda: cs35l41: Do not unload firmware before reset in system suspend
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- fixes for crashes detected by CONFIG_KUNIT_ALL_TESTS in hid-uclogic
driver (Jinjie Ruan)
- HID selftests fixes and improvements (Benjamin Tissoires)
- probe error handling path fixes in hid-nvidia-shield driver
(Christophe JAILLET)
- cleanup of LED handling in hid-nintendo (Martino Fontana)
- big cleanup of logitech-hidpp probe code (Hans de Goede)
- Suspend/Resume fix for USB Thinkpad Compact Keyboard (Jamie Lentin)
- firmware detection improvement for Lenovo cptkbd (Mikhail
Khvainitski)
- IRQ shutdown and workqueue initialization fixes for hid-cp2112 driver
(Danny Kaehn)
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
- other assorted device-ID additions and quirks
* tag 'for-linus-2023110101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (31 commits)
HID: Add quirk for Dell Pro Wireless Keyboard and Mouse KM5221W
HID: logitech-hidpp: Stop IO before calling hid_connect()
HID: logitech-hidpp: Drop HIDPP_QUIRK_UNIFYING
HID: logitech-hidpp: Drop delayed_work_cb()
HID: logitech-hidpp: Fix connect event race
HID: logitech-hidpp: Remove unused connected param from *_connect()
HID: logitech-hidpp: Remove connected check for non-unifying devices
HID: logitech-hidpp: Add hidpp_non_unifying_init() helper
HID: logitech-hidpp: Move hidpp_overwrite_name() to before connect check
HID: logitech-hidpp: Move g920_get_config() to just before hidpp_ff_init()
HID: logitech-hidpp: Remove wtp_get_config() call from probe()
HID: logitech-hidpp: Move get_wireless_feature_index() check to hidpp_connect_event()
HID: logitech-hidpp: Revert "Don't restart communication if not necessary"
HID: logitech-hidpp: Don't restart IO, instead defer hid_connect() only
HID: rmi: remove #ifdef CONFIG_PM
HID: multitouch: remove #ifdef CONFIG_PM
HID: usbhid: remove #ifdef CONFIG_PM
HID: core: remove #ifdef CONFIG_PM from hid_driver
hid: lenovo: Resend all settings on reset_resume for compact keyboards
HID: uclogic: Fix a work->entry not empty bug in __queue_work()
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Use acpi_evaluate_dsm_typed() instead of open-coding _DSM
evaluation to learn device characteristics (Andy Shevchenko)
- Tidy multi-function header checks using new PCI_HEADER_TYPE_MASK
definition (Ilpo Järvinen)
- Simplify config access error checking in various drivers (Ilpo
Järvinen)
- Use pcie_capability_clear_word() (not
pcie_capability_clear_and_set_word()) when only clearing (Ilpo
Järvinen)
- Add pci_get_base_class() to simplify finding devices using base
class only (ignoring subclass and programming interface) (Sui
Jingfeng)
- Add pci_is_vga(), which includes ancient PCI_CLASS_NOT_DEFINED_VGA
devices from before the Class Code was added to PCI (Sui Jingfeng)
- Use pci_is_vga() for vgaarb, sysfs "boot_vga", virtio, qxl to
include ancient VGA devices (Sui Jingfeng)
Resource management:
- Make pci_assign_unassigned_resources() non-init because sparc uses
it after init (Randy Dunlap)
Driver binding:
- Retain .remove() and .probe() callbacks (previously __init) because
sysfs may cause them to be called later (Uwe Kleine-König)
- Prevent xHCI driver from claiming AMD VanGogh USB3 DRD device, so
it can be claimed by dwc3 instead (Vicki Pfau)
PCI device hotplug:
- Add Ampere Altra Attention Indicator extension driver for acpiphp
(D Scott Phillips)
Power management:
- Quirk VideoPropulsion Torrent QN16e with longer delay after reset
(Lukas Wunner)
- Prevent users from overriding drivers that say we shouldn't use
D3cold (Lukas Wunner)
- Avoid PME from D3hot/D3cold for AMD Rembrandt and Phoenix USB4
because wakeup interrupts from those states don't work if amd-pmc
has put the platform in a hardware sleep state (Mario Limonciello)
IOMMU:
- Disable ATS for Intel IPU E2000 devices with invalidation message
endianness erratum (Bartosz Pawlowski)
Error handling:
- Factor out interrupt enable/disable into helpers (Kai-Heng Feng)
Peer-to-peer DMA:
- Fix flexible-array usage in struct pci_p2pdma_pagemap in case we
ever use pagemaps with multiple entries (Gustavo A. R. Silva)
ASPM:
- Revert a change that broke when drivers disabled L1 and users later
enabled an L1.x substate via sysfs, and fix a similar issue when
users disabled L1 via sysfs (Heiner Kallweit)
Endpoint framework:
- Fix double free in __pci_epc_create() (Dan Carpenter)
- Use IS_ERR_OR_NULL() to simplify endpoint core (Ruan Jinjie)
Cadence PCIe controller driver:
- Drop unused "is_rc" member (Li Chen)
Freescale Layerscape PCIe controller driver:
- Enable 64-bit addressing in endpoint mode (Guanhua Gao)
Intel VMD host bridge driver:
- Fix multi-function header check (Ilpo Järvinen)
Microsoft Hyper-V host bridge driver:
- Annotate struct hv_dr_state with __counted_by (Kees Cook)
NVIDIA Tegra194 PCIe controller driver:
- Drop setting of LNKCAP_MLW (max link width) since dw_pcie_setup()
already does this via dw_pcie_link_set_max_link_width() (Yoshihiro
Shimoda)
Qualcomm PCIe controller driver:
- Use PCIE_SPEED2MBS_ENC() to simplify encoding of link speed
(Manivannan Sadhasivam)
- Add a .write_dbi2() callback so DBI2 register writes, e.g., for
setting the BAR size, work correctly (Manivannan Sadhasivam)
- Enable ASPM for platforms that use 1.9.0 ops, because the PCI core
doesn't enable ASPM states that haven't been enabled by the
firmware (Manivannan Sadhasivam)
Renesas R-Car Gen4 PCIe controller driver:
- Add DesignWare core support (set max link width, EDMA_UNROLL flag,
.pre_init(), .deinit(), etc) for use by R-Car Gen4 driver
(Yoshihiro Shimoda)
- Add driver and DT schema for DesignWare-based Renesas R-Car Gen4
controller in both host and endpoint mode (Yoshihiro Shimoda)
Xilinx NWL PCIe controller driver:
- Update ECAM size to support 256 buses (Thippeswamy Havalige)
- Stop setting bridge primary/secondary/subordinate bus numbers,
since PCI core does this (Thippeswamy Havalige)
Xilinx XDMA controller driver:
- Add driver and DT schema for Zynq UltraScale+ MPSoCs devices with
Xilinx XDMA Soft IP (Thippeswamy Havalige)
Miscellaneous:
- Use FIELD_GET()/FIELD_PREP() to simplify and reduce use of _SHIFT
macros (Ilpo Järvinen, Bjorn Helgaas)
- Remove logic_outb(), _outw(), outl() duplicate declarations (John
Sanpe)
- Replace unnecessary UTF-8 in Kconfig help text because menuconfig
doesn't render it correctly (Liu Song)"
* tag 'pci-v6.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (102 commits)
PCI: qcom-ep: Add dedicated callback for writing to DBI2 registers
PCI: Simplify pcie_capability_clear_and_set_word() to ..._clear_word()
PCI: endpoint: Fix double free in __pci_epc_create()
PCI: xilinx-xdma: Add Xilinx XDMA Root Port driver
dt-bindings: PCI: xilinx-xdma: Add schemas for Xilinx XDMA PCIe Root Port Bridge
PCI: xilinx-cpm: Move IRQ definitions to a common header
PCI: xilinx-nwl: Modify ECAM size to enable support for 256 buses
PCI: xilinx-nwl: Rename the NWL_ECAM_VALUE_DEFAULT macro
dt-bindings: PCI: xilinx-nwl: Modify ECAM size in the DT example
PCI: xilinx-nwl: Remove redundant code that sets Type 1 header fields
PCI: hotplug: Add Ampere Altra Attention Indicator extension driver
PCI/AER: Factor out interrupt toggling into helpers
PCI: acpiphp: Allow built-in drivers for Attention Indicators
PCI/portdrv: Use FIELD_GET()
PCI/VC: Use FIELD_GET()
PCI/PTM: Use FIELD_GET()
PCI/PME: Use FIELD_GET()
PCI/ATS: Use FIELD_GET()
PCI/ATS: Show PASID Capability register width in bitmasks
PCI/ASPM: Fix L1 substate handling in aspm_attr_store_common()
...
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Stephen reports that the ACPI helper library rework,
CONFIG_FIRMWARE_TABLE, introduces a new compiler warning:
WARNING: modpost: vmlinux: acpi_parse_entries_array: EXPORT_SYMBOL used
for init symbol. Remove __init or EXPORT_SYMBOL.
Delete this export as it turns out it is unneeded, and future work wraps
this in another exported helper. Note that in general
EXPORT_SYMBOL_ACPI_LIB() is needed for exporting symbols that are marked
__init_or_acpilib, but in this case no export is required.
Fixes: a103f46633fd ("acpi: Move common tables helper functions to common lib")
Cc: Dave Jiang <[email protected]>
Reported-by: Stephen Rothwell <[email protected]>
Closes: http://lore.kernel.org/r/[email protected]
Reviewed-by: Dave Jiang <[email protected]>
Link: https://lore.kernel.org/r/169896282222.70775.940454758280866379.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <[email protected]>
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Native CXL protocol errors are delivered to the OS through AER
reporting. The owner of AER owns CXL Protocol error management with
respect to _OSC negotiation.[1] CXL device errors are handled by a
separate interrupt with native control gated by _OSC control field
'CXL Memory Error Reporting Control'.
The CXL driver incorrectly checks for 'CXL Memory Error Reporting
Control' before accessing AER registers and caching RCH downport
AER registers. Replace the current check in these 2 cases with
native AER checks.
[1] CXL 3.0 - 9.17.2 CXL _OSC, Table-9-26, Interpretation of CXL
_OSC Support Fields, p.641
Fixes: f05fd10d138d ("cxl/pci: Add RCH downstream port AER register discovery")
Signed-off-by: Terry Bowman <[email protected]>
Reviewed-by: Smita Koralahalli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dan Williams <[email protected]>
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A hwprobe pair key is signed, but the hwprobe vDSO function was
only checking that the upper bound was valid. In order to help
avoid this type of problem in the future, and in anticipation of
this check becoming more complicated with sparse keys, introduce
and use a "key is valid" predicate function for the check.
Fixes: aa5af0aa90ba ("RISC-V: Add hwprobe vDSO function and data")
Signed-off-by: Andrew Jones <[email protected]>
Reviewed-by: Evan Green <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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Enable the configs required by the below IP blocks which are
present on RZ/Five SoC:
* ADC
* CANFD
* DMAC
* eMMC/SDHI
* OSTM
* RAVB (+ Micrel PHY)
* RIIC
* RSPI
* SSI (Sound+WM8978 codec)
* Thermal
* USB (PHY/RESET/OTG)
Along with the above some core configs are enabled too,
-> CPU frequency scaling as RZ/Five does support this.
-> MTD is enabled as RSPI can be connected to flash chips
-> Enabled I2C chardev so that it enables userspace to read/write
i2c devices (similar to arm64)
-> Thermal configs as RZ/Five SoC does have thermal unit
-> GPIO regulator as we might have IP blocks for which voltage
levels are controlled by GPIOs
-> OTG configs as RZ/Five USB can support host/function
-> Gadget configs so that we can test USB function (as done in arm64
all the gadget configs are enabled)
Signed-off-by: Lad Prabhakar <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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Sami Tolvanen <[email protected]> says:
This series adds Shadow Call Stack (SCS) support for RISC-V. SCS
uses compiler instrumentation to store return addresses in a
separate shadow stack to protect them against accidental or
malicious overwrites. More information about SCS can be found
here:
https://clang.llvm.org/docs/ShadowCallStack.html
Patch 1 is from Deepak, and it simplifies VMAP_STACK overflow
handling by adding support for accessing per-CPU variables
directly in assembly. The patch is included in this series to
make IRQ stack switching cleaner with SCS, and I've simply
rebased it and fixed a couple of minor issues. Patch 2 uses this
functionality to clean up the stack switching by moving duplicate
code into a single function. On RISC-V, the compiler uses the
gp register for storing the current shadow call stack pointer,
which is incompatible with global pointer relaxation. Patch 3
moves global pointer loading into a macro that can be easily
disabled with SCS. Patch 4 implements SCS register loading and
switching, and allows the feature to be enabled, and patch 5 adds
separate per-CPU IRQ shadow call stacks when CONFIG_IRQ_STACKS is
enabled. Patch 6 fixes the backward-edge CFI test in lkdtm for
RISC-V.
Note that this series requires Clang 17. Earlier Clang versions
support SCS on RISC-V, but use the x18 register instead of gp,
which isn't ideal. gcc has SCS support for arm64, but I'm not
aware of plans to support RISC-V. Once the Zicfiss extension is
ratified, it's probably preferable to use hardware-backed shadow
stacks instead of SCS on hardware that supports the extension,
and we may want to consider implementing CONFIG_DYNAMIC_SCS to
patch between the implementation at runtime (similarly to the
arm64 implementation, which switches to SCS when hardware PAC
support isn't available).
* b4-shazam-merge:
lkdtm: Fix CFI_BACKWARD on RISC-V
riscv: Use separate IRQ shadow call stacks
riscv: Implement Shadow Call Stack
riscv: Move global pointer loading to a macro
riscv: Deduplicate IRQ stack switching
riscv: VMAP_STACK overflow detection thread-safe
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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This fixes an encoding issue with T-Head's dcache.cva and fixes the
comment about the T-Head encodings. The first of these was a fix and
got picked up earlier, I'm merging the second on top of it as they touch
the same comment.
* b4-shazam-merge:
riscv: errata: prefix T-Head mnemonics with th.
riscv: errata: fix T-Head dcache.cva encoding
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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T-Head now maintains some specification for their extended instructions
at [1], in which all instructions are prefixed "th.".
Follow this practice in the kernel comments.
Link: https://github.com/T-head-Semi/thead-extension-spec [1]
Signed-off-by: Icenowy Zheng <[email protected]>
Reviewed-by: Guo Ren <[email protected]>
Signed-off-by: Palmer Dabbelt <[email protected]>
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Add a metapath_dibh() helper for extracting the inode's buffer head from
a metapath.
Signed-off-by: Andreas Gruenbacher <[email protected]>
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Function print_message() in quota.c doesn't return a meaningful return
value. Turn it into a void function and stop abusing it for setting
variable error to 0 in gfs2_quota_check().
Signed-off-by: Andreas Gruenbacher <[email protected]>
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When intializing a struct, all fields that are not explicitly mentioned
are zeroed out already.
Signed-off-by: Andreas Gruenbacher <[email protected]>
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Make sure we don't skip accounting for quota changes with the
quota=account mount option.
Reviewed-by: Bob Peterson <[email protected]>
Signed-off-by: Andreas Gruenbacher <[email protected]>
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Pull smb server updates from Steve French:
"Seven ksmbd server fixes:
- logoff improvement for multichannel bound connections
- unicode fix for surrogate pairs
- RDMA (smbdirect) fix for IB devices
- fix locking deadlock in kern_path_create during rename
- iov memory allocation fix
- two minor cleanup patches (doc cleanup, and unused variable)"
* tag '6.7-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: no need to wait for binded connection termination at logoff
ksmbd: add support for surrogate pair conversion
ksmbd: fix missing RDMA-capable flag for IPoIB device in ksmbd_rdma_capable_netdev()
ksmbd: fix recursive locking in vfs helpers
ksmbd: fix kernel-doc comment of ksmbd_vfs_setxattr()
ksmbd: reorganize ksmbd_iov_pin_rsp()
ksmbd: Remove unused field in ksmbd_user struct
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify update from Jan Kara:
"This time just one tiny cleanup for fsnotify"
* tag 'fsnotify_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: delete useless parenthesis in FANOTIFY_INLINE_FH macro
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, udf, and quota updates from Jan Kara:
- conversion of ext2 directory code to use folios
- cleanups in UDF declarations
- bugfix for quota interaction with file encryption
* tag 'fs_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: Convert ext2_prepare_chunk and ext2_commit_chunk to folios
ext2: Convert ext2_make_empty() to use a folio
ext2: Convert ext2_unlink() and ext2_rename() to use folios
ext2: Convert ext2_delete_entry() to use folios
ext2: Convert ext2_empty_dir() to use a folio
ext2: Convert ext2_add_link() to use a folio
ext2: Convert ext2_readdir to use a folio
ext2: Add ext2_get_folio()
ext2: Convert ext2_check_page to ext2_check_folio
highmem: Add folio_release_kmap()
udf: Avoid unneeded variable length array in struct fileIdentDesc
udf: Annotate struct udf_bitmap with __counted_by
quota: explicitly forbid quota files from being encrypted
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Pull jfs updates from Dave Kleikamp:
"Minor stability improvements"
* tag 'jfs-6.7' of https://github.com/kleikamp/linux-shaggy:
jfs: define xtree root and page independently
jfs: fix array-index-out-of-bounds in diAlloc
jfs: fix array-index-out-of-bounds in dbFindLeaf
fs/jfs: Add validity check for db_maxag and db_agpref
fs/jfs: Add check for negative db_l2nbperpage
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git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Add ioctls to get and set file attribute that is used in
the fatattr util
- Add zero_size_dir mount option to avoid allocating a cluster
when creating a directory
* tag 'exfat-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: support create zero-size directory
exfat: support handle zero-size directory
exfat: add ioctls for accessing attributes
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"Nothing exciting lands for this cycle, since we're still busying in
developing support for sub-page blocks and large-folios of compressed
data for new scenarios on Android.
In this cycle, MicroLZMA format is marked as stable, and there are
minor cleanups around documentation and codebase. In addition, it also
fixes incorrect lockref usage in erofs_insert_workgroup().
Summary:
- Fix inode metadata space layout documentation
- Avoid warning for MicroLZMA format anymore
- Fix erofs_insert_workgroup() lockref usage
- Some cleanups"
* tag 'erofs-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix erofs_insert_workgroup() lockref usage
erofs: tidy up redundant includes
erofs: get rid of ROOT_NID()
erofs: simplify compression configuration parser
erofs: don't warn MicroLZMA format anymore
erofs: fix inode metadata space layout description in documentation
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Cleanup ext4's multi-block allocator, including adding some unit
tests, as well as cleaning how we update the backup superblock after
online resizes or updating the label or uuid.
Optimize handling of released data blocks in ext4's commit machinery
to avoid a potential lock contention on s_md_lock spinlock.
Fix a number of ext4 bugs:
- fix race between writepages and remount
- fix racy may inline data check in dio write
- add missed brelse in an error path in update_backups
- fix umask handling when ACL support is disabled
- fix lost EIO error when a journal commit races with a fsync of the
blockdev
- fix potential improper i_size when there is a crash right after an
O_SYNC direct write.
- check extent node for validity before potentially using what might
be an invalid pointer
- fix potential stale data exposure when writing to an unwritten
extent and the file system is nearly out of space
- fix potential accounting error around block reservations when
writing partial delayed allocation writes to a bigalloc cluster
- avoid memory allocation failure when tracking partial delayed
allocation writes to a bigalloc cluster
- fix various debugging print messages"
* tag 'ext4_for_linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (41 commits)
ext4: properly sync file size update after O_SYNC direct IO
ext4: fix racy may inline data check in dio write
ext4: run mballoc test with different layouts setting
ext4: add first unit test for ext4_mb_new_blocks_simple in mballoc
ext4: add some kunit stub for mballoc kunit test
ext4: call ext4_mb_mark_context in ext4_group_add_blocks()
ext4: Separate block bitmap and buddy bitmap freeing in ext4_group_add_blocks()
ext4: call ext4_mb_mark_context in ext4_mb_clear_bb
ext4: Separate block bitmap and buddy bitmap freeing in ext4_mb_clear_bb()
ext4: call ext4_mb_mark_context in ext4_mb_mark_diskspace_used
ext4: extend ext4_mb_mark_context to support allocation under journal
ext4: call ext4_mb_mark_context in ext4_free_blocks_simple
ext4: factor out codes to update block bitmap and group descriptor on disk from ext4_mb_mark_bb
ext4: make state in ext4_mb_mark_bb to be bool
jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev
ext4: apply umask if ACL support is disabled
ext4: mark buffer new if it is unwritten to avoid stale data exposure
ext4: move 'ix' sanity check to corrent position
jbd2: fix printk format type for 'io_block' in do_one_pass()
jbd2: print io_block if check data block checksum failed when do recovery
...
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set of patches has some minor fixes for message handling, some
misc cleanups, and updates the maintainers entry"
* tag 'dlm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
MAINTAINERS: Update dlm maintainer and web page
dlm: slow down filling up processing queue
dlm: fix no ack after final message
dlm: be sure we reset all nodes at forced shutdown
dlm: fix remove member after close call
dlm: fix creating multiple node structures
fs: dlm: Remove some useless memset()
fs: dlm: Fix the size of a buffer in dlm_create_debug_file()
fs: dlm: Simplify buffer size computation in dlm_create_debug_file()
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We consistently switched from kmalloc() to vmalloc() in module
decompression to prevent potential memory allocation failures with large
modules, however vmalloc() is not as memory-efficient and fast as
kmalloc().
Since we don't know in general the size of the workspace required by the
decompression algorithm, it is more reasonable to use kvmalloc()
consistently, also considering that we don't have special memory
requirements here.
Suggested-by: Linus Torvalds <[email protected]>
Tested-by: Andrea Righi <[email protected]>
Signed-off-by: Andrea Righi <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"Four integrity changes: two IMA-overlay updates, an integrity Kconfig
cleanup, and a secondary keyring update"
* tag 'integrity-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: detect changes to the backing overlay file
certs: Only allow certs signed by keys on the builtin keyring
integrity: fix indentation of config attributes
ima: annotate iint mutex to avoid lockdep false positive warnings
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There are architectures where char is not signed. If so, the following
error is triggered:
| xdp_hw_metadata.c:435:42: error: result of comparison of constant -1 \
| with expression of type 'char' is always true \
| [-Werror,-Wtautological-constant-out-of-range-compare]
| 435 | while ((opt = getopt(argc, argv, "mh")) != -1) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~
| 1 error generated.
Correct by changing the char to int.
Fixes: bb6a88885fde ("selftests/bpf: Add options and frags to xdp_hw_metadata")
Signed-off-by: Björn Töpel <[email protected]>
Acked-by: Larysa Zaremba <[email protected]>
Tested-by: Anders Roxell <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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During a session reconnect, it is possible that the
server moved to another physical server (happens in case
of Azure files). So at this time, force a query of server
interfaces again (in case of multichannel session), such
that the secondary channels connect to the right
IP addresses (possibly updated now).
Cc: [email protected]
Signed-off-by: Shyam Prasad N <[email protected]>
Signed-off-by: Steve French <[email protected]>
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If the mount command has specified multichannel as a mount option,
but multichannel is found to be unsupported by the server at the time
of mount, we set chan_max to 1. Which means that the user needs to
remount the share if the server starts supporting multichannel.
This change removes this reset. What it means is that if the user
specified multichannel or max_channels during mount, and at this
time, multichannel is not supported, but the server starts supporting
it at a later point, the client will be capable of scaling out the
number of channels.
Cc: [email protected]
Signed-off-by: Shyam Prasad N <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
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We introduced a helper function to be used by non-cifsd threads to
mark the connection for reconnect. For multichannel, when only
a particular channel needs to be reconnected, this had a bug.
This change fixes that by marking that particular channel
for reconnect.
Fixes: dca65818c80c ("cifs: use a different reconnect helper for non-cifsd threads")
Cc: [email protected]
Signed-off-by: Shyam Prasad N <[email protected]>
Reviewed-by: Paulo Alcantara (SUSE) <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
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The following UAF was triggered when running fstests generic/072 with
KASAN enabled against Windows Server 2022 and mount options
'multichannel,max_channels=2,vers=3.1.1,mfsymlinks,noperm'
BUG: KASAN: slab-use-after-free in smb2_query_info_compound+0x423/0x6d0 [cifs]
Read of size 8 at addr ffff888014941048 by task xfs_io/27534
CPU: 0 PID: 27534 Comm: xfs_io Not tainted 6.6.0-rc7 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014
Call Trace:
dump_stack_lvl+0x4a/0x80
print_report+0xcf/0x650
? srso_alias_return_thunk+0x5/0x7f
? srso_alias_return_thunk+0x5/0x7f
? __phys_addr+0x46/0x90
kasan_report+0xda/0x110
? smb2_query_info_compound+0x423/0x6d0 [cifs]
? smb2_query_info_compound+0x423/0x6d0 [cifs]
smb2_query_info_compound+0x423/0x6d0 [cifs]
? __pfx_smb2_query_info_compound+0x10/0x10 [cifs]
? srso_alias_return_thunk+0x5/0x7f
? __stack_depot_save+0x39/0x480
? kasan_save_stack+0x33/0x60
? kasan_set_track+0x25/0x30
? ____kasan_slab_free+0x126/0x170
smb2_queryfs+0xc2/0x2c0 [cifs]
? __pfx_smb2_queryfs+0x10/0x10 [cifs]
? __pfx___lock_acquire+0x10/0x10
smb311_queryfs+0x210/0x220 [cifs]
? __pfx_smb311_queryfs+0x10/0x10 [cifs]
? srso_alias_return_thunk+0x5/0x7f
? __lock_acquire+0x480/0x26c0
? lock_release+0x1ed/0x640
? srso_alias_return_thunk+0x5/0x7f
? do_raw_spin_unlock+0x9b/0x100
cifs_statfs+0x18c/0x4b0 [cifs]
statfs_by_dentry+0x9b/0xf0
fd_statfs+0x4e/0xb0
__do_sys_fstatfs+0x7f/0xe0
? __pfx___do_sys_fstatfs+0x10/0x10
? srso_alias_return_thunk+0x5/0x7f
? lockdep_hardirqs_on_prepare+0x136/0x200
? srso_alias_return_thunk+0x5/0x7f
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Allocated by task 27534:
kasan_save_stack+0x33/0x60
kasan_set_track+0x25/0x30
__kasan_kmalloc+0x8f/0xa0
open_cached_dir+0x71b/0x1240 [cifs]
smb2_query_info_compound+0x5c3/0x6d0 [cifs]
smb2_queryfs+0xc2/0x2c0 [cifs]
smb311_queryfs+0x210/0x220 [cifs]
cifs_statfs+0x18c/0x4b0 [cifs]
statfs_by_dentry+0x9b/0xf0
fd_statfs+0x4e/0xb0
__do_sys_fstatfs+0x7f/0xe0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Freed by task 27534:
kasan_save_stack+0x33/0x60
kasan_set_track+0x25/0x30
kasan_save_free_info+0x2b/0x50
____kasan_slab_free+0x126/0x170
slab_free_freelist_hook+0xd0/0x1e0
__kmem_cache_free+0x9d/0x1b0
open_cached_dir+0xff5/0x1240 [cifs]
smb2_query_info_compound+0x5c3/0x6d0 [cifs]
smb2_queryfs+0xc2/0x2c0 [cifs]
This is a race between open_cached_dir() and cached_dir_lease_break()
where the cache entry for the open directory handle receives a lease
break while creating it. And before returning from open_cached_dir(),
we put the last reference of the new @cfid because of
!@cfid->has_lease.
Besides the UAF, while running xfstests a lot of missed lease breaks
have been noticed in tests that run several concurrent statfs(2) calls
on those cached fids
CIFS: VFS: \\w22-root1.gandalf.test No task to wake, unknown frame...
CIFS: VFS: \\w22-root1.gandalf.test Cmd: 18 Err: 0x0 Flags: 0x1...
CIFS: VFS: \\w22-root1.gandalf.test smb buf 00000000715bfe83 len 108
CIFS: VFS: Dump pending requests:
CIFS: VFS: \\w22-root1.gandalf.test No task to wake, unknown frame...
CIFS: VFS: \\w22-root1.gandalf.test Cmd: 18 Err: 0x0 Flags: 0x1...
CIFS: VFS: \\w22-root1.gandalf.test smb buf 000000005aa7316e len 108
...
To fix both, in open_cached_dir() ensure that @cfid->has_lease is set
right before sending out compounded request so that any potential
lease break will be get processed by demultiplex thread while we're
still caching @cfid. And, if open failed for some reason, re-check
@cfid->has_lease to decide whether or not put lease reference.
Cc: [email protected]
Signed-off-by: Paulo Alcantara (SUSE) <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
If @ses->chan_count <= 1, then for-loop body will not be executed so
no need to check it twice.
Reviewed-by: Shyam Prasad N <[email protected]>
Signed-off-by: Paulo Alcantara (SUSE) <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
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RTL8168H and RTL8107E ethernet adapters erroneously filter unicast
eapol packets unless allmulti is enabled. These devices correspond to
RTL_GIGA_MAC_VER_46 and VER_48. Add an exception for VER_46 and VER_48
in the same way that VER_35 has an exception.
Fixes: 6e1d0b898818 ("r8169:add support for RTL8168H and RTL8107E")
Signed-off-by: Patrick Thompson <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Reviewed-by: Heiner Kallweit <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
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|
|
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Kuniyuki Iwashima says:
====================
dccp/tcp: Relocate security_inet_conn_request().
security_inet_conn_request() reads reqsk's remote address, but it's not
initialised in some places.
Let's make sure the address is set before security_inet_conn_request().
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
|
Initially, commit 4237c75c0a35 ("[MLSXFRM]: Auto-labeling of child
sockets") introduced security_inet_conn_request() in some functions
where reqsk is allocated. The hook is added just after the allocation,
so reqsk's IPv6 remote address was not initialised then.
However, SELinux/Smack started to read it in netlbl_req_setattr()
after commit e1adea927080 ("calipso: Allow request sockets to be
relabelled by the lsm.").
Commit 284904aa7946 ("lsm: Relocate the IPv4 security_inet_conn_request()
hooks") fixed that kind of issue only in TCPv4 because IPv6 labeling was
not supported at that time. Finally, the same issue was introduced again
in IPv6.
Let's apply the same fix on DCCPv6 and TCPv6.
Fixes: e1adea927080 ("calipso: Allow request sockets to be relabelled by the lsm.")
Signed-off-by: Kuniyuki Iwashima <[email protected]>
Acked-by: Paul Moore <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
|
|
Initially, commit 4237c75c0a35 ("[MLSXFRM]: Auto-labeling of child
sockets") introduced security_inet_conn_request() in some functions
where reqsk is allocated. The hook is added just after the allocation,
so reqsk's IPv4 remote address was not initialised then.
However, SELinux/Smack started to read it in netlbl_req_setattr()
after the cited commits.
This bug was partially fixed by commit 284904aa7946 ("lsm: Relocate
the IPv4 security_inet_conn_request() hooks").
This patch fixes the last bug in DCCPv4.
Fixes: 389fb800ac8b ("netlabel: Label incoming TCP connections correctly in SELinux")
Fixes: 07feee8f812f ("netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections")
Signed-off-by: Kuniyuki Iwashima <[email protected]>
Acked-by: Paul Moore <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
|
|
Since commit 833bac7ec392 ("net/smc: Fix setsockopt and sysctl to
specify same buffer size again") the SMC protocol uses its own
default values for the smc.rmem and smc.wmem sysctl variables
which are no longer derived from the TCP IPv4 buffer sizes.
Fixup the kernel documentation to reflect this change, too.
Fixes: 833bac7ec392 ("net/smc: Fix setsockopt and sysctl to specify same buffer size again")
Signed-off-by: Gerd Bayer <[email protected]>
Reviewed-by: Wenjia Zhang <[email protected]>
Reviewed-by: Dust Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
|
When ptr_ring_init() returns failure in page_pool_init(), free_percpu()
is not called to free pool->recycle_stats, which may cause memory
leak.
Fixes: ad6fa1e1ab1b ("page_pool: Add recycle stats")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Reviewed-by: Yunsheng Lin <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Reviewed-by: Somnath Kotur <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
|
This function takes a pointer to a pointer, unlike sprintf() which is
passed a plain pointer. Fix up the documentation to make this clear.
Fixes: 7888fe53b706 ("ethtool: Add common function for filling out strings")
Cc: Alexander Duyck <[email protected]>
Cc: Justin Stitt <[email protected]>
Cc: [email protected]
Signed-off-by: Andrew Lunn <[email protected]>
Reviewed-by: Justin Stitt <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
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When LAN9303 is MDIO-connected two callchains exist into
mdio->bus->write():
1. switch ports 1&2 ("physical" PHYs):
virtual (switch-internal) MDIO bus (lan9303_switch_ops->phy_{read|write})->
lan9303_mdio_phy_{read|write} -> mdiobus_{read|write}_nested
2. LAN9303 virtual PHY:
virtual MDIO bus (lan9303_phy_{read|write}) ->
lan9303_virt_phy_reg_{read|write} -> regmap -> lan9303_mdio_{read|write}
If the latter functions just take
mutex_lock(&sw_dev->device->bus->mdio_lock) it triggers a LOCKDEP
false-positive splat. It's false-positive because the first
mdio_lock in the second callchain above belongs to virtual MDIO bus, the
second mdio_lock belongs to physical MDIO bus.
Consequent annotation in lan9303_mdio_{read|write} as nested lock
(similar to lan9303_mdio_phy_{read|write}, it's the same physical MDIO bus)
prevents the following splat:
WARNING: possible circular locking dependency detected
5.15.71 #1 Not tainted
------------------------------------------------------
kworker/u4:3/609 is trying to acquire lock:
ffff000011531c68 (lan9303_mdio:131:(&lan9303_mdio_regmap_config)->lock){+.+.}-{3:3}, at: regmap_lock_mutex
but task is already holding lock:
ffff0000114c44d8 (&bus->mdio_lock){+.+.}-{3:3}, at: mdiobus_read
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&bus->mdio_lock){+.+.}-{3:3}:
lock_acquire
__mutex_lock
mutex_lock_nested
lan9303_mdio_read
_regmap_read
regmap_read
lan9303_probe
lan9303_mdio_probe
mdio_probe
really_probe
__driver_probe_device
driver_probe_device
__device_attach_driver
bus_for_each_drv
__device_attach
device_initial_probe
bus_probe_device
deferred_probe_work_func
process_one_work
worker_thread
kthread
ret_from_fork
-> #0 (lan9303_mdio:131:(&lan9303_mdio_regmap_config)->lock){+.+.}-{3:3}:
__lock_acquire
lock_acquire.part.0
lock_acquire
__mutex_lock
mutex_lock_nested
regmap_lock_mutex
regmap_read
lan9303_phy_read
dsa_slave_phy_read
__mdiobus_read
mdiobus_read
get_phy_device
mdiobus_scan
__mdiobus_register
dsa_register_switch
lan9303_probe
lan9303_mdio_probe
mdio_probe
really_probe
__driver_probe_device
driver_probe_device
__device_attach_driver
bus_for_each_drv
__device_attach
device_initial_probe
bus_probe_device
deferred_probe_work_func
process_one_work
worker_thread
kthread
ret_from_fork
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&bus->mdio_lock);
lock(lan9303_mdio:131:(&lan9303_mdio_regmap_config)->lock);
lock(&bus->mdio_lock);
lock(lan9303_mdio:131:(&lan9303_mdio_regmap_config)->lock);
*** DEADLOCK ***
5 locks held by kworker/u4:3/609:
#0: ffff000002842938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work
#1: ffff80000bacbd60 (deferred_probe_work){+.+.}-{0:0}, at: process_one_work
#2: ffff000007645178 (&dev->mutex){....}-{3:3}, at: __device_attach
#3: ffff8000096e6e78 (dsa2_mutex){+.+.}-{3:3}, at: dsa_register_switch
#4: ffff0000114c44d8 (&bus->mdio_lock){+.+.}-{3:3}, at: mdiobus_read
stack backtrace:
CPU: 1 PID: 609 Comm: kworker/u4:3 Not tainted 5.15.71 #1
Workqueue: events_unbound deferred_probe_work_func
Call trace:
dump_backtrace
show_stack
dump_stack_lvl
dump_stack
print_circular_bug
check_noncircular
__lock_acquire
lock_acquire.part.0
lock_acquire
__mutex_lock
mutex_lock_nested
regmap_lock_mutex
regmap_read
lan9303_phy_read
dsa_slave_phy_read
__mdiobus_read
mdiobus_read
get_phy_device
mdiobus_scan
__mdiobus_register
dsa_register_switch
lan9303_probe
lan9303_mdio_probe
...
Cc: [email protected]
Fixes: dc7005831523 ("net: dsa: LAN9303: add MDIO managed mode support")
Signed-off-by: Alexander Sverdlin <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
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Error code strings are not getting printed properly
due to holes. Print error code as well.
Fixes: 51afe9026d0c ("octeontx2-pf: NIX TX overwrites SQ_CTX_HW_S[SQ_INT]")
Signed-off-by: Ratheesh Kannoth <[email protected]>
Reviewed-by: Wojciech Drewek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
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Some of error codes were wrong. Fix the same.
Fixes: 51afe9026d0c ("octeontx2-pf: NIX TX overwrites SQ_CTX_HW_S[SQ_INT]")
Signed-off-by: Ratheesh Kannoth <[email protected]>
Reviewed-by: Wojciech Drewek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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Use __generic_cmpxchg_local() for arch_cmpxchg_local() implementation
on SH architecture because it does not implement arch_cmpxchg_local().
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: John Paul Adrian Glaubitz <[email protected]>
Link: https://lore.kernel.org/r/169824660459.24340.14614817132696360531.stgit@devnote2
Signed-off-by: John Paul Adrian Glaubitz <[email protected]>
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I am looking at syzbot reports triggering kernel stack overflows
involving a cascade of ipvlan devices.
We can save 8 bytes in struct flowi_common.
This patch alone will not fix the issue, but is a start.
Fixes: 24ba14406c5c ("route: Add multipath_hash in flowi_common to make user-define hash")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: wenxu <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull modules updates from Luis Chamberlain:
"The only thing worth highligthing is that gzip moves to use vmalloc()
instead of kmalloc just as we had a fix for this for zstd on v6.6-rc1.
The rest is regular house keeping, keeping things neat, tidy, and
boring"
[ The kmalloc -> vmalloc conversion is not the right approach.
Unless you know you need huge areas or know you need to use virtual
mappings for some reason (playing with protection bits or whatever),
you should use kvmalloc()/kvfree, which automatically picks the right
allocation model - Linus ]
* tag 'modules-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
module: Annotate struct module_notes_attrs with __counted_by
module: Fix comment typo
module: Make is_valid_name() return bool
module: Make is_mapping_symbol() return bool
module/decompress: use vmalloc() for gzip decompression workspace
MAINTAINERS: add include/linux/module*.h to modules
module: Clarify documentation of module_param_call()
|
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git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull sysctl updates from Luis Chamberlain:
"To help make the move of sysctls out of kernel/sysctl.c not incur a
size penalty sysctl has been changed to allow us to not require the
sentinel, the final empty element on the sysctl array. Joel Granados
has been doing all this work. On the v6.6 kernel we got the major
infrastructure changes required to support this. For v6.7-rc1 we have
all arch/ and drivers/ modified to remove the sentinel. Both arch and
driver changes have been on linux-next for a bit less than a month. It
is worth re-iterating the value:
- this helps reduce the overall build time size of the kernel and run
time memory consumed by the kernel by about ~64 bytes per array
- the extra 64-byte penalty is no longer inncurred now when we move
sysctls out from kernel/sysctl.c to their own files
For v6.8-rc1 expect removal of all the sentinels and also then the
unneeded check for procname == NULL.
The last two patches are fixes recently merged by Krister Johansen
which allow us again to use softlockup_panic early on boot. This used
to work but the alias work broke it. This is useful for folks who want
to detect softlockups super early rather than wait and spend money on
cloud solutions with nothing but an eventual hung kernel. Although
this hadn't gone through linux-next it's also a stable fix, so we
might as well roll through the fixes now"
* tag 'sysctl-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (23 commits)
watchdog: move softlockup_panic back to early_param
proc: sysctl: prevent aliased sysctls from getting passed to init
intel drm: Remove now superfluous sentinel element from ctl_table array
Drivers: hv: Remove now superfluous sentinel element from ctl_table array
raid: Remove now superfluous sentinel element from ctl_table array
fw loader: Remove the now superfluous sentinel element from ctl_table array
sgi-xp: Remove the now superfluous sentinel element from ctl_table array
vrf: Remove the now superfluous sentinel element from ctl_table array
char-misc: Remove the now superfluous sentinel element from ctl_table array
infiniband: Remove the now superfluous sentinel element from ctl_table array
macintosh: Remove the now superfluous sentinel element from ctl_table array
parport: Remove the now superfluous sentinel element from ctl_table array
scsi: Remove now superfluous sentinel element from ctl_table array
tty: Remove now superfluous sentinel element from ctl_table array
xen: Remove now superfluous sentinel element from ctl_table array
hpet: Remove now superfluous sentinel element from ctl_table array
c-sky: Remove now superfluous sentinel element from ctl_talbe array
powerpc: Remove now superfluous sentinel element from ctl_table arrays
riscv: Remove now superfluous sentinel element from ctl_table array
x86/vdso: Remove now superfluous sentinel element from ctl_table array
...
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Shung-Hsi Yu says:
====================
bpf: Fix precision tracking for BPF_ALU | BPF_TO_BE | BPF_END
Changes since v1:
- add test for negation and bswap (Alexei, Eduard)
- add test for BPF_TO_LE as well to cover all types of BPF_END opcode
- remove vals map and trigger backtracking with jump instead, based of
Eduard's code
- v1 at https://lore.kernel.org/bpf/[email protected]
This patchset fixes and adds selftest for the issue reported by Mohamed
Mahmoud and Toke Høiland-Jørgensen where the kernel can run into a
verifier bug during backtracking of BPF_ALU | BPF_TO_BE | BPF_END
instruction[0]. As seen in the verifier log below, r0 was incorrectly
marked as precise even tough its value was not being used.
Patch 1 fixes the issue based on Andrii's analysis, and patch 2 adds a
selftest for such case using inline assembly. Please see individual
patch for detail.
...
mark_precise: frame2: regs=r2 stack= before 1891: (77) r2 >>= 56
mark_precise: frame2: regs=r2 stack= before 1890: (dc) r2 = be64 r2
mark_precise: frame2: regs=r0,r2 stack= before 1889: (73) *(u8 *)(r1 +47) = r3
...
mark_precise: frame2: regs=r0 stack= before 212: (85) call pc+1617
BUG regs 1
processed 5112 insns (limit 1000000) max_states_per_insn 4 total_states 92 peak_states 90 mark_read 20
0: https://lore.kernel.org/r/[email protected]
Shung-Hsi Yu (2):
bpf: Fix precision tracking for BPF_ALU | BPF_TO_BE | BPF_END
selftests/bpf: precision tracking test for BPF_NEG and BPF_END
kernel/bpf/verifier.c | 7 +-
.../selftests/bpf/prog_tests/verifier.c | 2 +
.../selftests/bpf/progs/verifier_precision.c | 93 +++++++++++++++++++
3 files changed, 101 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_precision.c
base-commit: c17cda15cc86e65e9725641daddcd7a63cc9ad01
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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As seen from previous commit that fix backtracking for BPF_ALU | BPF_TO_BE
| BPF_END, both BPF_NEG and BPF_END require special handling. Add tests
written with inline assembly to check that the verifier does not incorrecly
use the src_reg field of BPF_NEG and BPF_END (including bswap added in v4).
Suggested-by: Eduard Zingerman <[email protected]>
Signed-off-by: Shung-Hsi Yu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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