- Correct the PERST# GPIO state so it remains asserted until power and
REFCLK become stable to fix enumeration failure (Ronald Claveau)
* pci/controller/dwc-meson:
PCI: meson: Fix GPIO state while requesting PERST#
- Remove PERST# checking from pci_host_common_parse_port() so callers can
decide whether to fall back to legacy DT binding with PERST# in the host
bridge (Sherry Sun)
- Fix build issues when PCI_PWRCTRL_GENERIC or PCI_HOST_COMMON is a module
(Arnd Bergmann)
- Create pwrctrl devices only once by doing it from imx_pcie_probe()
instead of imx_pcie_host_init(), which is used during both probe and
resume (Sherry Sun)
- Use 'dw_pcie_rp->skip_pwrctrl_off' to avoid powering off devices during
suspend to preserve wakeup capability (Sherry Sun)
- Add runtime PM support for i.MX95 to allow dynamic power management when
the link is idle (Richard Zhu)
* pci/controller/dwc-imx6:
PCI: imx6: Add runtime PM support for i.MX95
PCI: imx6: Add 'skip_pwrctrl_off' flag support
PCI: imx6: Move pci_pwrctrl_create_devices() to imx_pcie_probe()
PCI: imx6: Fix building against PCI_PWRCTRL_GENERIC
PCI: imx6: Fix building against PCI_HOST_COMMON
PCI: host-generic: Move legacy DT binding fallback decision to caller of pci_host_common_parse_ports()
- Factor pcie_valid_speed() and pci_bus_speed2lnkctl2() out of bwctrl so
they can be shared by the DWC core (Hans Zhang)
- Flush MSI writes from endpoint before unmapping the iATU, as we already
do for MSI-X writes (Niklas Cassel)
- Unmap MSI iATU window before mapping MSI-X window, to avoid a subsequent
MSI write using a disabled aperture and losing the interrupt (Niklas
Cassel)
- Change endpoint .pre_init() and .init() callbacks to return errors and
handle them (Marek Vasut)
* pci/controller/dwc:
PCI: dwc: Handle return value from endpoint .pre_init callback
PCI: dwc: Handle return value from endpoint .init callback
PCI: dwc: ep: Fix unmap potentially unmapping the wrong iATU
PCI: dwc: ep: Flush cached MSI write before unmapping the iATU
PCI: dwc: Use common speed conversion function
PCI: Move pci_bus_speed2lnkctl2() to public header
PCI: Add public pcie_valid_speed() for shared validation
- Add missing MODULE_DEVICE_TABLE to generate module aliases for OF-based
module autoloading (Pengpeng Hou)
- Add debugfs 'ltssm_status' file for LGA- and HPA-based Cadence
controllers (Hans Zhang)
- Support up to x4 (not x2) lanes for J200 (Takuma Fujiwara)
- Fix host/endpoint dependencies for cadence-plat driver to fix link error
when cadence-plat is built-in but the host or endpoint driver is modular
(Aksh Garg)
* pci/controller/cadence:
PCI: cadence: Fix host/endpoint dependencies for cadence-plat driver
PCI: j721e: Fix incorrect max_lanes for J7200
PCI: cadence: Add LGA IP debugfs for LTSSM status
PCI: cadence: Add HPA IP debugfs for LTSSM status
PCI: cadence: Add HPA architecture flag
PCI: cadence: Add missing MODULE_DEVICE_TABLE()
- Switch to irq_domain_create_linear() so we can obsolete
irq_domain_add_linear() (Jiri Slaby)
* pci/controller/aspeed:
PCI: aspeed: Switch to irq_domain_create_linear()
* pci/controller/root-port-reset:
misc: pci_endpoint_test: Add AER error handlers
PCI: dw-rockchip: Implement .reset_root_port() and use for link down
PCI: qcom: Implement .reset_root_port() and use for link down
PCI: host-common: Add link down handling for Root Ports
PCI/ERR: Add support for resetting the Root Ports in a platform-specific way
PCI: dwc: ep: Clear MSI iATU mapping in dw_pcie_ep_cleanup()
- Check doorbell SUCCESS bit in pci_endpoint_test to avoid treating some
failures as successes (Niklas Cassel)
- Fail doorbell test when the trigger IRQ is missed (Niklas Cassel)
* pci/endpoint:
misc: pci_endpoint_test: Fail doorbell test when the trigger IRQ is missed
misc: pci_endpoint_test: Check SUCCESS bit for doorbell status
- Add ACS quirk for Pericom PI7C9X2G608 switches (Tim Harvey)
- Fix a long-standing bug in the Intel PCH Root Port MPC ACS quirk that
didn't update the intended INTEL_MPC_REG_IRBNCE bit because it used a
16-bit config write when a 32-bit write was intended (Mohamad Raizudeen)
* pci/virtualization:
PCI: Fix 32-bit config write in Intel PCH Root Port MPC ACS quirk
PCI: Add ACS quirk for Pericom PI7C9X2G608 switches [12d8:2608]
- In pci_write_legacy_io(), avoid out-of-bounds reads from the user buffer
and fix incorrect ioport write data (1-byte writes on little-endian
powerpc, 2- and 4-byte writes on big-endian powerpc) (Krzysztof
Wilczyński)
- In pci_read_legacy_io(), fix incorrect ioport read data for 2- and 4-byte
reads on big-endian powerpc (Krzysztof Wilczyński)
- Fix I/O port accessor argument order in Alpha pci_legacy_write()
(Krzysztof Wilczyński)
- Avoid spurious runtime PM wakeup on config space accesses that are
outside config space and fail before reaching PCI (Krzysztof Wilczyński)
- Return -EINVAL, not -ENODEV, for mmap of I/O BAR that fails because the
arch doesn't support it, as we do for procfs (Krzysztof Wilczyński)
- Check for LOCKDOWN_PCI_ACCESS for legacy_io and legacy_mem, as we do for
other config space accessors (Krzysztof Wilczyński)
- Tidy static resource attribute names and macros that build them
(Krzysztof Wilczyński)
* pci/sysfs:
PCI/sysfs: Add legacy I/O and memory attribute macros
alpha/PCI: Make the suffix the first __pci_dev_resource_attr() parameter
PCI/sysfs: Add pci_ prefix to static PCI resource attribute names
PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers
PCI/sysfs: Return -EINVAL for unsupported I/O BAR mmap
PCI/sysfs: Avoid spurious runtime PM wakeup on config space accesses
alpha/PCI: Fix I/O port accessor argument order in pci_legacy_write()
PCI/sysfs: Fix read byte order in pci_read_legacy_io()
PCI/sysfs: Fix out-of-bounds read in pci_write_legacy_io()
- Add Microchip PCI1008 device ID and include it in NTB DMA alias quirk
(Logan Gunthorpe)
* pci/switchtec:
PCI: switchtec: Add Microchip PCI1008 to NTB DMA alias quirk
PCI: switchtec: Add Microchip PCI1008 device ID
dmaengine: switchtec-dma: Add PCI1008 device ID
- Add hotplug reservation only once (not at each level of the hierarchy) so
bridge windows don't grow more than necessary (Ilpo Järvinen)
* pci/resource:
PCI: Do not add hotplug reservation multiple times
- Take a reference on the I2C adapter in tc9563 to avoid uninterruptible
hang when unloading an I2C module while in-use (Johan Hovold)
- Restrict tc9563 Tx Amplitude, DFE and N_FTS to USP, DSP1 and DSP2 in DT
binding (Manivannan Sadhasivam)
- Fix parsing tc9563 integrated Ethernet MAC Endpoint node (Manivannan
Sadhasivam)
- Power off only tc9563 external-facing ports (DSP1, DSP2), leaving USP and
DSP3 powered up (Manivannan Sadhasivam)
- Skip tc9563 Tx amplitude and DFE tuning for DSP3, which don't support
them (Manivannan Sadhasivam)
- Move integrated MAC Endpoint out of the list of internal ports and
configure it separately (Manivannan Sadhasivam)
* pci/pwrctrl:
PCI/pwrctrl: tc9563: Move Integrated MAC Endpoint out of 'tc9563_pwrctrl_ports' enum
PCI/pwrctrl: tc9563: Rename DSP3 to VDSP
PCI/pwrctrl: tc9563: Skip Tx amplitude and DFE tuning for DSP3
PCI/pwrctrl: tc9563: Power off only the external ports in tc9563_pwrctrl_disable_port()
PCI/pwrctrl: tc9563: Fix parsing the integrated Ethernet MAC Endpoint node
dt-bindings: PCI: toshiba,tc9563: Restrict Tx Amplitude, DFE and N_FTS to USP, DSP1 and DSP2
PCI/pwrctrl: tc9563: Take i2c adapter module reference
- Avoid spurious runtime PM wakeup on config space accesses that are
outside config space and fail before reaching PCI (Krzysztof Wilczyński)
- Warn on user-space writes to kernel-exclusive config space regions, as we
already do for sysfs (Krzysztof Wilczyński)
- Check credentials of opener, not reader, for config space reads, as we
already to for sysfs (Krzysztof Wilczyński)
* pci/procfs:
PCI/proc: Use file_ns_capable() when checking config space read access
PCI/proc: Warn on writes to kernel-exclusive config space regions
PCI/proc: Avoid spurious runtime PM wakeup on config space accesses
- Allow probing even without child services so it can do power management
(Brian Norris)
* pci/portdrv:
PCI/portdrv: Allow probing even without child services
- Allow D3 for native hotplug-capable Root Ports on non-x86 platforms (we
avoid D3 for these ports on x86 because some old platforms didn't
validate it) (Manivannan Sadhasivam)
* pci/pm:
PCI: Allow D3 for native hotplug-capable Root Ports on non-x86 platforms
- Pass empty string, not an uninitialized device_class string, to
acpi_bus_generate_netlink_event(), so we can remove device_class
completely in the future (Rafael J. Wysocki)
* pci/hotplug:
PCI: acpiphp_ibm: Do not use uninitialized device_class
- Don't store pci_device_id in agp amd-k7 and via, ata, scsi nsp32, ipack
tpci200, mlxsw since the dynamic ID feature means the ID is only
guaranteed to live during probe (Gary Guo)
- Add pci_match_one_id() to match an ID directly so dynamic ID insertion
doesn't need to make a temporary device for matching (Gary Guo)
- Check for existing ID inside the dynamic ID addition critical section to
avoid a time-of-check vs time-of-use race (Gary Guo)
- Copy device ID to avoid use-after-free when match races with sysfs
dynamic ID removal (Gary Guo)
* pci/enumeration:
PCI: Fix UAF when probe runs concurrent to dyn ID removal
PCI: Fix dyn_id add TOCTOU
PCI: Make pci_match_one_device() match on ID instead of device
agp/amd-k7: Don't rely on address of pci_device_id
agp/via: Don't rely on address of pci_device_id
mlxsw: pci: Don't store pci_device_id
ipack: tpci200: Don't store pci_device_id
scsi: nsp32: Don't store pci_device_id
ata: ata_generic: Don't store pci_device_id
- Allow DPC on all Downstream Ports, not just Root Ports, when OS controls
AER (Darshit Shah)
* pci/dpc:
PCI/DPC: Allow DPC on all Downstream Ports when OS controls AER
- Avoid L0s for Realtek RTS525A, where it causes an AER interrupt storm
(Max Lee)
- Program the same ASPM Control values for every function of multi-function
devices, as recommended by the PCIe spec (Krishna Chaitanya Chundru)
- Avoid ASPM L0s, L1, and L1 PM Substates based on 'aspm-no-l0s',
'aspm-no-l1' [1], and 'aspm-no-l1ss' DT properties (Krishna Chaitanya
Chundru)
* pci/aspm:
PCI/ASPM: Mask ASPM states based on Devicetree properties
PCI/ASPM: Disable/restore ASPM on every function for multi-function devices
PCI/ASPM: Use pcie_capability_clear_and_set_word() for ASPM disable/restore
PCI/ASPM: Avoid L0s for Realtek RTS525A
- Update mappings of errors to agent & layer (Lukas Wunner)
- Log agent & layer of each individual error when multiple errors detected
(Lukas Wunner)
- Log Error Source only once, not twice in separate messages (Lukas Wunner)
- Emit TLP Log only for unmasked errors (Lukas Wunner)
- Support Advisory Non-Fatal Errors (Lukas Wunner)
* pci/aer:
PCI/AER: Support Advisory Non-Fatal Errors
PCI/AER: Move retrieval of FEP and TLP Log into helper
PCI/AER: Emit TLP Log only for unmasked errors
PCI/AER: Deduplicate logging of Error Source Identification
PCI/AER: Log agent & layer for each individual error
PCI/AER: Fix mapping of errors to agent & layer
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Merge tag 'livepatching-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching updates from Petr Mladek:
- Move consistency checks to catch missing func->old_name before the
first access
- Allow to run livepatching selftests from top-level directory
* tag 'livepatching-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
kbuild: unset sub_make_done before calling kselftest build system
livepatch: Fix NULL pointer dereference in klp_find_func()
- Remove unnecessary module::args. Nowadays, no parameter-handling code
points into the module::args buffer. The last user of module::args in
xtensa/simdisk is updated and the data is then removed.
- Add Rust support for boolean parameters. This will initially be used by
the Rust null block driver.
- Fix clearing the current charp parameter value when setting a new one
fails due to an allocation failure.
- Improve the debugging code for kmod (request_module()) duplicates. Fix
a potential use-after-free when waiting on a duplicate request and make
several general improvements to the code.
- Fix the symbol size returned when looking up a data symbol through
kallsyms.
- The remaining changes are smaller fixes and cleanups.
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Merge tag 'modules-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull module updates from Petr Pavlu:
- Remove unnecessary module::args. Nowadays, no parameter-handling code
points into the module::args buffer. The last user of module::args in
xtensa/simdisk is updated and the data is then removed
- Add Rust support for boolean parameters. This will initially be used
by the Rust null block driver
- Fix clearing the current charp parameter value when setting a new one
fails due to an allocation failure
- Improve the debugging code for kmod (request_module()) duplicates.
Fix a potential use-after-free when waiting on a duplicate request
and make several general improvements to the code
- Fix the symbol size returned when looking up a data symbol through
kallsyms
- Smaller fixes and cleanups
* tag 'modules-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
params: fix charp corruption on allocation failure
module: validate string table section types
module/dups: Clean up includes
module/dups: Use strcmp() to compare module names
module/dups: Use scope-based cleanup helpers
module/dups: Avoid unnecessary kmod_dup_req allocations
module/dups: Fix use-after-free in kmod_dup_req lifetime handling
module/dups: Inform duplicate requests about the result directly
rust: module_param: support bool parameters
rust: module_param: return value by copy from `value`
module: Remove unnecessary module::args
xtensa/simdisk: Avoid referring to module::args
module: Remove unused DISCARD_EH_FRAME definition from module.lds.S
module: procfs: use matching type for accumulator in module_total_size()
module: use strscpy() to copy module names in stats and dup tracking
params: fix path of /sys/module/XYZ/parameters/ in comment
module/kallsyms: fix nextval for data symbol lookup
The lid switch reports "close" but can miss the matching "open", leaving
_LID closed after resume. systemd-logind then suspends the system again
roughly every 35 seconds.
Reading the embedded controller's PSTA byte while _LID is stale shows that
bit 0x04 is set, which the DSDT treats as open. The DSDT returns the cached
LIDS byte from _LID. Its wake path aborts in RTEC on an unhandled
SystemCMOS region before copying PSTA to LIDS.
Initialize the lid state to open on resume, matching the existing quirk
for the Razer Blade Stealth 13 late 2019. With
button.lid_init_state=open, a physical close suspended once and resume
reported open without another suspend.
Signed-off-by: Robin Everaars <robineveraars@pm.me>
Link: https://patch.msgid.link/20260817141414.213075-1-robineveraars@pm.me
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The set of eCryptfs changes for the 7.3-rc1 merge window consists of:
- Hardening and fixes for maliciously crafted eCryptfs metadata in the
lower encrypted file
- Hardening and fixes for maliciously crafted userspace <-> kernel
miscdev communications
- Locking fixes for userspace <-> kernel miscdev communications
- Fix to display encrypted filename related mount options
- Clean up address_space_operations and reduce build dependencies by
moving to filemap_dirty_folio()
- Get rid of an unnecessary memory allocation in the inode update path
- Kernel-doc formatting corrections
The patches have all spent time in linux-next and they pass all tests in
the ecryptfs-utils tree. I did manual validation of the miscdev fixes
since we don't have test coverage for that feature.
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Merge tag 'ecryptfs-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs updates from Tyler Hicks:
- Hardening and fixes for maliciously crafted eCryptfs metadata in the
lower encrypted file
- Hardening and fixes for maliciously crafted userspace <-> kernel
miscdev communications
- Locking fixes for userspace <-> kernel miscdev communications
- Fix to display encrypted filename related mount options
- Clean up address_space_operations and reduce build dependencies by
moving to filemap_dirty_folio()
- Get rid of an unnecessary memory allocation in the inode update path
- Kernel-doc formatting corrections
* tag 'ecryptfs-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
ecryptfs: ecryptfs_kernel.h: clean up kernel-doc comments
ecryptfs: use filemap_dirty_folio for address space operations
ecryptfs: avoid heap allocation for inode size write
ecryptfs: show filename encryption options
eCryptfs: bound the packet-length peek to the user buffer
ecryptfs: reject too-small tag 70 packets
ecryptfs: fix tag 11 packet exact-fit size check
ecryptfs: pass packet set buffer size to parser
ecryptfs: hold msg ctx list lock when cleaning daemon queue
ecryptfs: release message context on send failure
ecryptfs: reject oversized encrypted_key_size in parse_tag_3_packet
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Merge tag 'landlock-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull Landlock update from Mickaël Salaün:
"This improves observability with Landlock tracepoints support, which
required some refactoring for dedicated domain types and common
helpers shared with audit code.
A LANDLOCK_RESTRICT_SELF_NO_NEW_PRIVS flag is also added to improve
process-wide domain enforcement consistency.
Whiteout files are now correctly handled and tested, and a few other
fixes"
* tag 'landlock-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (34 commits)
landlock: Document tracepoints
selftests/landlock: Add landlock_enforce_domain trace tests
selftests/landlock: Add scope and ptrace tracepoint tests
selftests/landlock: Add network tracepoint tests
selftests/landlock: Add filesystem tracepoint tests
selftests/landlock: Add trace event test infrastructure and tests
landlock: Add tracepoints for ptrace and scope denials
landlock: Add landlock_deny_access_fs and landlock_deny_access_net
landlock: Add tracepoints for rule checking
landlock: Add landlock_enforce_domain tracepoint
landlock: Add create_domain and free_domain tracepoints
landlock: Add landlock_add_rule_fs and landlock_add_rule_net tracepoints
landlock: Add create_ruleset and free_ruleset tracepoints
landlock: Consolidate access-right and scope names in a shared header
landlock: Decouple the per-denial logging decision from CONFIG_AUDIT
landlock: Split denial logging from audit into common framework
landlock: Split struct landlock_domain from struct landlock_ruleset
landlock: Move domain query functions to domain.c
landlock: Prepare ruleset and domain type split
samples/landlock: Add LANDLOCK_RESTRICT_SELF_NO_NEW_PRIVS to sampler
...
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Merge tag 'cifs-maintainer-switch-7.3-rc1' of https://git.manguebit.org/linux
Pull cifs maintainer update from Paulo Alcantara.
* tag 'cifs-maintainer-switch-7.3-rc1' of https://git.manguebit.org/linux:
MAINTAINERS: Replace Steve French as CIFS maintainer
- Reject invalid perdev_minors for the block device before division
- Document DT fixed-layout NVMEM provider support for eMMC cards
MMC host:
- Convert a couple of plain text DT bindings to the yaml format
- bcm2835: DMA mapping improvements
- cqhci: Fix sparse warnings for endian conversions
- dw_mmc: Stop and complete DMA also in busy state
- dw_mmc-rockchip: Add support for the RV1106 variant
- litex_mmc: Add dynamic bus width support
- moxart: Propagate error for DMA completion timeout
- pxamci: Remove PXA remnants for the PXA93x support
- rtsx_usb_sdmmc: Avoid USB I/O in runtime autosuspend
- rtsx_usb_sdmmc: Suppress false CD after init timeout
- sdhci_am654: Add Judith Mendez as maintainer
- sdhci-esdhc-mcf: Do not use readl()/writel() on ColdFire
- sdhci-msm: Extend the DT bindings for ICE
- sdhci-tegra: Add support for Tegra264/Tegra238 variants
- sunxi: Add support for the Allwinner A733 variant
- via-sdmmc: Clean up card detect work at remove and in probe error path
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Merge tag 'mmc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Reject invalid perdev_minors for the block device before division
- Document DT fixed-layout NVMEM provider support for eMMC cards
MMC host:
- Convert a couple of plain text DT bindings to the yaml format
- bcm2835: DMA mapping improvements
- cqhci: Fix sparse warnings for endian conversions
- dw_mmc: Stop and complete DMA also in busy state
- dw_mmc-rockchip: Add support for the RV1106 variant
- litex_mmc: Add dynamic bus width support
- moxart: Propagate error for DMA completion timeout
- pxamci: Remove PXA remnants for the PXA93x support
- rtsx_usb_sdmmc: Avoid USB I/O in runtime autosuspend
- rtsx_usb_sdmmc: Suppress false CD after init timeout
- sdhci_am654: Add Judith Mendez as maintainer
- sdhci-esdhc-mcf: Do not use readl()/writel() on ColdFire
- sdhci-msm: Extend the DT bindings for ICE
- sdhci-tegra: Add support for Tegra264/Tegra238 variants
- sunxi: Add support for the Allwinner A733 variant
- via-sdmmc: Clean up card detect work at remove and in probe error path"
* tag 'mmc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (35 commits)
ARM: PXA: Fix build error for PXA93x
dt-bindings: mmc: sunxi: add compatible string for Allwinner A733 MMC0/1/2
dt-bindings: mmc: Document fixed-layout NVMEM provider support
mmc: sdhci-tegra: Add Tegra264 SoC data
dt-bindings: mmc: tegra: Document Tegra264 SDHCI
mmc: sdhci-tegra: Add Tegra238 SoC data
dt-bindings: mmc: tegra: Document Tegra238 SDHCI
mmc: omap_hsmmc: use platform_get_irq_optional for wake IRQ
mmc: via-sdmmc: cancel card-detect work on remove
mmc: via-sdmmc: stop card-detect handling on probe failure
mmc: moxart: use platform helpers for resource and IRQ
mmc: host: Remove redundant dev_err()/dev_err_probe()
mmc: bcm2835: DMA mapping improvements
mmc: dw_mmc: move declaration of dw_mci_pmops
dt-bindings: mmc: rockchip-dw-mshc: Add RV1106 compatible
mmc: rtsx_usb_sdmmc: suppress false CD after init timeout
misc: rtsx_usb: avoid USB I/O in runtime autosuspend
mmc: sdhci-of-dwcmshc: Log eMMC reset calls
mmc: block: reject invalid perdev_minors before division
mmc: sdhci-of-ma35d1: add missing MODULE_DEVICE_TABLE()
...
Quite alot of buf fixes again:
- Assorted locking, bounds-checking, cleanup, and error-path fixes across
UCMA/CMA, bng_re, bnxt_re, cxgb4, EFA, ERDMA, HFI1, HNS, ionic, iRDMA,
mlx4/mlx5, RXE, SIW, SRP/SRPT, and iSER target.
- netlink report for max # of supported resources
- get_zeroed_page()/etc removal
- Robust udata for ionic
- Allow unique RDMA device names per network namespace
- Completion counters and v2 admit queue support for EFA
- UC QP support for MANA
- Completion timestamps for ionic
- Harden uverbs data validation and resource lifetime handling, fixing several core use-after-free conditions.
- bnxt_re toggle-page ownership and lifetime bug fixes
- dmabuf SRQ support for mlx5
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull RDMA updates from Jason Gunthorpe:
"About the normal size, still a lot of AI bug fixes and so on, but some
interesting new functionality too:
- Assorted locking, bounds-checking, cleanup, and error-path fixes
across UCMA/CMA, bng_re, bnxt_re, cxgb4, EFA, ERDMA, HFI1, HNS,
ionic, iRDMA, mlx4/mlx5, RXE, SIW, SRP/SRPT, and iSER target.
- netlink report for max # of supported resources
- get_zeroed_page()/etc removal
- Robust udata for ionic
- Allow unique RDMA device names per network namespace
- Completion counters and v2 admit queue support for EFA
- UC QP support for MANA
- Completion timestamps for ionic
- Harden uverbs data validation and resource lifetime handling,
fixing several core use-after-free conditions.
- bnxt_re toggle-page ownership and lifetime bug fixes
- dmabuf SRQ support for mlx5"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (160 commits)
RDMA/ucma: Allow path records to exactly fit the output buffer
RDMA/uverbs: Guard legacy bundles without method_elm
RDMA/efa: Add support for 128B admin v2 SQ entry
RDMA/efa: Generalize the admin SQ
RDMA/efa: Decouple admin command payload from admin header
RDMA/rxe: Fix OOB in free_rd_atomic_resources()
RDMA/cma: Fix WARNING in res_to_rt
RDMA/cxgb4: Free debugfs on registration failure
RDMA/cxgb4: Cancel reg_work before freeing device on remove
RDMA/ucma: Lock the handler in ucma_set_ib_path()
RDMA/ucma: Lock the handler in ucma_write_cm_event()
RDMA/erdma: restrict the driver to little-endian systems
RDMA/ionic: Embed counter driver data in rdma_counter allocation
RDMA/ionic: Cap eq_count to the eth driver's interrupt vector budget
RDMA/siw: Fix use-after-free in siw_accept()
IB/isert: post the full-feature receive buffers after session registration
IB/isert: delay the final Login Response until the session is registered
RDMA/srp: fix heap information leak on a truncated SRP_CRED_REQ
RDMA/erdma: Hold QP references for AE and CM processing
RDMA/erdma: Hold CQ references when processing EQ events
...
One new driver: leapraid (similar to mpi3mr but OK'd by Broadcom). The
usual suspects for driver updates (ufs, qla2xxx, smartpqi, zfcp, fnic,
ibmvfc) plus a few small core updates: a fix for an uninitialized sg
list pad bytes plus the removal of the dma mask check for max
sectors. The big update in the sd driver is mostly code refactoring for
obscure error leg handling.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"One new driver: leapraid (similar to mpi3mr but OK'd by Broadcom). The
usual suspects for driver updates (ufs, qla2xxx, smartpqi, zfcp, fnic,
ibmvfc) plus a few small core updates: a fix for an uninitialized sg
list pad bytes plus the removal of the dma mask check for max sectors.
The big update in the sd driver is mostly code refactoring for obscure
error leg handling"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits)
scsi: fnic: Fix built-in NVMe/FC build
scsi: fnic: Fix invalid comparison for error
scsi: core: Fill in DMA padding bytes in scsi_alloc_sgtables()
scsi: zfcp: Enable CONTEXT_ANALYSIS
scsi: zfcp: Add __must_hold() attribute to zfcp_qdio_sbal_get()
scsi: fnic: Use GFP_ATOMIC for VLAN alloc under spinlock
scsi: storvsc: Support manual scans for all Hyper-V targets
scsi: sd: Fix sd_done() sense handling condition
scsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails
scsi: sd: Fix error handling in sd_probe() after large pool creation failure
scsi: leapraid: Add driver documentation
scsi: leapraid: Add new SCSI driver
scsi: ufs: Add support for the aggregated read query opcode
scsi: ufs: Use unsigned types for the BSG query
scsi: ibmvfc: Fix spelling mistake "Deleteing" -> "Deleting"
scsi: qla2xxx: Update version to 12.00.00.2607b2
scsi: qla2xxx: Bound i2c->length in I2C bsg handlers
scsi: qla2xxx: Zero SFP DMA buffer in FRU/I2C bsg handlers
scsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]
scsi: qla2xxx: Zero-init bsg stack buffers to avoid info leak
...
When a burst of packets is handed down to the driver, the driver defers
the doorbell to the end by setting txr->kick_pending = 1. The normal TX
path handles this, but the SW USO path can miss it if it returns
early.
If bnxt_sw_udp_gso_xmit runs but returns early with NETDEV_TX_BUSY and
txr->kick_pending was previously set to 1, then the TX queue can
stall because the driver wrote some BDs but never wrote the doorbell.
The device won't know to do the TX which would generate the completion
that would wake the queue back up.
Simplify bnxt_sw_udp_gso_xmit to set txr->kick_pending in its success
case and check the flag on return. The added check after
bnxt_sw_udp_gso_xmit returns ensures that any pending doorbells are
written handling both successful USO and any early returns, which
prevents the TX queue stall mentioned above.
This TX queue stall was observed on a production system with a netdev TX
watchdog informing about the queue stall.
Fixes: cc5d90667d ("net: bnxt: Implement software USO")
Cc: stable@vger.kernel.org
Signed-off-by: Joe Damato <joe@dama.to>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260819233213.3673149-1-joe@dama.to
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Per-CPU array, hash, and cgroup storage map updates without BPF_F_CPU
or BPF_F_ALL_CPUS use a value buffer whose per-CPU slots are packed in
possible-CPU order. The buffer is sized as:
round_up(value_size, 8) * num_possible_cpus()
The update paths iterate over possible CPUs, but use the logical CPU ID
to calculate the source offset:
value + size * cpu
This only works when possible CPU IDs are contiguous starting at zero.
For example, with a possible CPU mask of 0,2-3, the buffer contains
three slots corresponding to CPUs 0, 2, and 3. CPU2 is therefore
expected to use slot 1 and CPU3 slot 2. Instead, the current code uses
slots 2 and 3 respectively, causing incorrect per-CPU values and an
out-of-bounds read from the update buffer for CPU3.
The corresponding lookup paths already use a dense offset while
iterating over possible CPUs. Do the same for the array, hash, and
cgroup storage update paths, advancing the source offset once for each
possible CPU. BPF_F_ALL_CPUS continues to use the same value for every
CPU.
Fixes: 8eb76cb03f ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_array maps")
Fixes: c6936161fd ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_hash and lru_percpu_hash maps")
Fixes: 47c79f05aa ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_cgroup_storage maps")
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/bpf/20260813155131.1022745-3-sh_def@163.com
BPF_F_CPU stores the target CPU ID in the upper 32 bits of the map
operation flags. bpf_map_check_op_flags() currently compares that ID
with num_possible_cpus(), which is the number of possible CPUs rather
than a bound on CPU IDs.
On an arm64 QEMU guest with a CPU device-tree hole, the possible CPU
mask was 0,2-3. A userspace program using raw bpf() syscalls creates
a BPF_MAP_TYPE_PERCPU_ARRAY and performs update and lookup operations
for each CPU by setting BPF_F_CPU and the CPU ID in the flags.
With the old check, CPU 1 is incorrectly accepted while valid CPU 3 is
rejected with -ERANGE. The CPU 1 update then reaches the per-CPU map
access path and triggers:
Unable to handle kernel paging request at virtual address ...
pc : __pi_memcpy_generic+0x5c/0x22c
lr : bpf_percpu_array_update+0x2dc/0x2e8
Call trace:
__pi_memcpy_generic
bpf_map_update_value
map_update_elem
__sys_bpf
Check the CPU ID against nr_cpu_ids and cpu_possible() instead. This
rejects CPU IDs outside the valid range and CPUs absent from the
possible mask, while allowing valid sparse CPU IDs.
Fixes: 2b421662c7 ("bpf: Introduce BPF_F_CPU and BPF_F_ALL_CPUS flags")
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/bpf/20260813160858.1042834-3-sh_def@163.com
Jon Hunter <jonathanh@nvidia.com> says:
Commit 4b05ccb17f ("regcache: Sort the local copy of an unsorted
reg_defaults array") exposed an issue in the Tegra I2S and MIXER drivers
and after this commit was added, this underlying issue now causes audio
tests that exercise the I2S and MIXER drivers to fail. This series fixes
the issue in the I2S and MIXER drivers and also fixes warning observed
with the ADMAIF and MBDRC drivers that have unsorted reg_defaults.
Link: https://patch.msgid.link/20260821153734.158426-1-jonathanh@nvidia.com
Commit 4b05ccb17f ("regcache: Sort the local copy of an unsorted
reg_defaults array") exposed an issue with the Tegra MBDRC driver and
now the following warning is observed:
tegra210-ope 2908000.processing-engine: Driver needs fixing: Unsorted
reg_defaults, sorting the copy
This warning occurs because register defaults in the structure
tegra210_mbdrc_reg_defaults are not specified in ascending order which
is required by regmap. Fix this by sorting the register defaults
according to their address. Note that in order to do this it is
necessary to replace the macro MBDRC_FILTER_REG_DEFAULTS with a per
register macro MBDRC_FILTER_PARAM_REG_DEFAULTS.
Fixes: 7358a803c7 ("ASoC: tegra: Add Tegra210 based OPE driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260821153734.158426-5-jonathanh@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 4b05ccb17f ("regcache: Sort the local copy of an unsorted
reg_defaults array") exposed an issue in the Tegra ADMAIF driver and now
the following warning is observed:
tegra210-admaif 290f000.admaif: Driver needs fixing: Unsorted
reg_defaults, sorting the copy
This warning occurs because register defaults in the structures
tegra186_admaif_reg_defaults and tegra264_admaif_reg_defaults are not
specified in ascending order which is required by regmap. Fix this by
sorting the register defaults according to their address. Note that in
order to do this it is necessary to split the macro ADMAIF_REG_DEFAULTS
into separate RX and TX macros to the RX and TX registers.
Fixes: f74028e159 ("ASoC: tegra: Add Tegra210 based ADMAIF driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260821153734.158426-4-jonathanh@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 4b05ccb17f ("regcache: Sort the local copy of an unsorted
reg_defaults array") exposed an issue in the Tegra MIXER driver where
the register default for the TEGRA210_MIXER_ENABLE is specified as 1,
but the hardware default is actually 0. After this commit was added the
MIXER driver is no longer working and so fix this by correcting the
default value for this register and explicitly configuring the
MIXER_ENABLE register when runtime resuming the MIXER device.
Fixes: 05bb3d5ec6 ("ASoC: tegra: Add Tegra210 based Mixer driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260821153734.158426-3-jonathanh@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 4b05ccb17f ("regcache: Sort the local copy of an unsorted
reg_defaults array") exposed an issue in the Tegra I2S driver where the
register default for the TEGRA210_I2S_ENABLE is specified as 1, but the
hardware default is actually 0. After this commit was added the I2S
driver is no longer working and so fix this by correcting the default
value for this register and explicitly configuring the I2S_ENABLE
register when runtime resuming the I2S device.
The I2S_ENABLE register offset is different on Tegra264 devices than
other Tegra devices and so add a 'enable_reg' variable to the SoC data
structure to specify the offset for different SoC devices.
Fixes: c0bfa98349 ("ASoC: tegra: Add Tegra210 based I2S driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260821153734.158426-2-jonathanh@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit f234fdaae1 ("ACPI: scan: Avoid registering platform devices
with resource overlaps") attempted to avoid platform device registration
errors due to overlaps of resources of the same type returned by the
same _CRS object in the ACPI tables. It did that by combining two or
more overlapping resources into one, but it went too far and also
caused resources that overlap completely to be combined which broke
the arm-cmn driver that expects two MMIO resources to be present for
each device it binds to and it expects those two resources to overlap
completely.
Address this issue by adding checks for completely overlapping
resources to acpi_platform_adjust_resources() and add a comment
explaining what is done there.
Fixes: f234fdaae1 ("ACPI: scan: Avoid registering platform devices with resource overlaps")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/linux-acpi/20260819003752.GA3063251@ax162/
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://patch.msgid.link/12955564.O9o76ZdvQC@rafael.j.wysocki
Commit 83df7b5fa6 ("HID: hyperv: add KUnit coverage for device info
bounds") introduced this piece of code
report = ((u8 *)&info->hid_descriptor) + info->hid_descriptor.bLength;
memset(report, 0x42, 4);
to populate the report, making use of the fact that the report
&info->hid_descriptor points to a struct hid_descriptor (which is a fixed-size
struct).
GCC's FORTIFY_SOURCE infer the object size from that specific struct field
rather than the outer dynamically allocated info buffer. As a result, writing
past sizeof(struct hid_descriptor) triggers the __write_overflow_field warning.
Calculate the pointer offset using info directly, so the compiler evaluates the
memory bounds against the allocated flexible layout of struct
synthhid_device_info instead of the nested struct.
Fixes: 83df7b5fa6 ("HID: hyperv: add KUnit coverage for device info bounds")
Reported-by: Jürgen Groß <jgross@suse.com>
Tested-by: Jürgen Groß <jgross@suse.com>
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
