Use devm_spi_alloc_host() instead of spi_alloc_host() so that the spi
controller is automatically freed on probe failure or device removal.
This lets us eliminate the err_put_host label and goto error path in
probe, as well as the spi_controller_put() call in remove.
It's also a bit weird as everything in probe is using devm except the
first allocating function. Might fix an ordering issue on teardown.
Assisted-by: opencode:big-pickle
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260727201543.18857-1-rosenp@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
bcmbca_hsspi_resume() enables the HSSPI clock, and optionally the PLL
clock, before restarting the SPI controller queue.
If spi_controller_resume() fails, the function currently reports success
and leaves those clocks enabled. Propagate the error and disable the
clocks before returning.
Fixes: a38a2233f2 ("spi: bcmbca-hsspi: Add driver for newer HSSPI controller")
Cc: stable@vger.kernel.org
Signed-off-by: Can Peng <pengcan@kylinos.cn>
Reviewed-by: Kursad Oney <kursad.oney@broadcom.com>
Link: https://patch.msgid.link/20260804071904.860842-1-pengcan@kylinos.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
bcm63xx_spi_resume() enables the controller clock before restarting the
SPI controller queue.
If spi_controller_resume() fails, the function currently reports success
and leaves the clock enabled. Propagate the error and disable the clock
before returning.
Fixes: b42dfed83d ("spi: add Broadcom BCM63xx SPI controller driver")
Cc: stable@vger.kernel.org
Signed-off-by: Can Peng <pengcan@kylinos.cn>
Link: https://patch.msgid.link/20260804071831.860784-1-pengcan@kylinos.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
bcm63xx_hsspi_resume() enables the HSSPI clock, and optionally the PLL
clock, before restarting the SPI controller queue.
If spi_controller_resume() fails, the function currently reports success
and leaves those clocks enabled. Propagate the error and disable the
clocks before returning.
Fixes: 142168eba9 ("spi: bcm63xx-hsspi: add bcm63xx HSSPI driver")
Cc: stable@vger.kernel.org
Signed-off-by: Can Peng <pengcan@kylinos.cn>
Reviewed-by: Kursad Oney <kursad.oney@broadcom.com>
Link: https://patch.msgid.link/20260804072017.860974-1-pengcan@kylinos.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
"andestech,qilai-spi" compatible can only be used with a fallback, which
is already matched by the driver's OF device ID table, thus it is
redundant in the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260804-spi-num-cs-v1-5-4ccb13dcc7b0@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
'num-cs' property is a single integer, thus the binding should not set
maxItems. This could be replaced with proper min/max constraints for
values, except that such constraints are not known.
spi-controller.yaml schema already defines this property, so its
presence here is redundant.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260804-spi-num-cs-v1-2-4ccb13dcc7b0@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
'num-cs' property is a single integer, thus the binding should not set
maxItems. This could be replaced with proper min/max constraints for
values, except that hardware (as expressed in driver) supports only one
native chipselect, thus constraint of "const:1" would make the property
implied by the compatible. spi-controller.yaml schema already defines
this property, so its presence here is redundant.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260804-spi-num-cs-v1-1-4ccb13dcc7b0@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Jisheng Zhang <jszhang@kernel.org> says:
Currently, cadence-xspi depends on 64BIT. This dependency isn't from
cadence xspi controller itself, but from marvell support code and 64bit
slave dma interface performance optimization.
This series tries to remove the 64BIT dependency.
patch1 is the preparation patch to move some code so we can group
marvell support code together. No functionality change.
patch2 and patch3 remove the two causes of 64BIT dependency.
patch4 finally removes the 64BIT Kconfig dependency.
Link: https://patch.msgid.link/20260803140728.12747-1-jszhang@kernel.org
Currently, cadence-xspi depends on 64BIT. This dependency isn't from
cadence xspi controller itself, but from marvell support code and 64bit
slave dma interface performance optimization.
readsq and writesq are only available under 64BIT. For 32BIT platforms,
we can fallback to ioread32_rep/iowrite32_rep. So we can remove another
reason of the 64BIT dependency.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803140728.12747-4-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Currently, cadence-xspi depends on 64BIT. This dependency isn't from
cadence xspi controller itself, but from marvell support code and 64bit
slave dma interface performance optimization.
Put marvell support code under CONFIG_64BIT to remove one reason of
the 64BIT dependency.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803140728.12747-3-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
We will remove the 64BIT dependency from cadence-xspi for non marvell
platform soon. No functionality change.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803140728.12747-2-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add support for the StarFive JHB100 SoC SPI Flash Controller (SFC),
which is based on the Synopsys DesignWare SSI version 2.00a but with
some customizations.
The JHB100 SFC controller has the following special features:
1. Separate registers for instruction and address (DW_SPI_JHB100_INST
and DW_SPI_JHB100_ADDR) instead of using the common data register.
2. A filter interrupt mask register (DW_SPI_JHB100_FILTER_IMR),
which is default masked to disable filter interrupts as they
are not used.
3. Requires a system controller phandle "starfive,sfc-filter-syscon"
to configure 3-byte/4-byte address mode switching per chip select.
4. Different Set CS and Enable Controller Timing.
A new quirk flag DW_SPI_QUIRK_JHB100 is introduced to handle these
differences in the enhanced SPI memory operation path. The controller
uses the HSSI initialization path (DW_HSSI_ID) and shares the same
interrupt masking logic. Limit the JHB100 SFC address to 3-byte or
4-byte length.
Additionally, the platform_suspend() and platform_resume() callbacks
are introduced to handle platform-private suspend/resume procedures.
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-12-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a new compatible string "starfive,jhb100-sfc" for the StarFive
JHB100 SPI Flash Controller, it based on the Synopsys DesignWare
SSI version 2.00a but with minor modifications.
Due to these minor modifications, it only supports access for flash
memory and requires a system controller register to configure the
address mode filter for SPI NOR flash devices.
The starfive,sfc-filter-syscon property is required to provide a phandle
to the system controller that manages switching between 3-byte and
4-byte addressing modes, essential for supporting SPI NOR flash devices
with different address width requirements.
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260803124044.156998-11-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
All the SSI controllers supporting enhanced spi modes might not support
all the three dual or quad or octal modes. Detect the modes that are
supported and finally enable the DW_SPI_CAP_EMODE capability which will
start using all the enhanced spi functions that has been added.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-10-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Introduce the interrupt handler for enhanced spi to read or write based
on the generated irq. Also, use the xfer_completion from spi_controller
to wait for a timeout or completion from irq handler.
In enhanced mode we need to calculate RXFTLR based on the length of data
we are expecting to receive or the fifo length.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-9-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In enhanced spi mode, read or write will start by sending the cmd
and address (if present).
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-8-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
If the spi transfer is using enhanced single/dual/quad/octal spi mode,
then we need to update the SPI_CTRLR0 register. The SPI_CTRLR0 register
will be updated in dw_spi_update_config() via the values in
dw_spi_enh_cfg.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-7-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
If the transfer of Transmit only mode is using enhanced SPI then
NDF needs to be updated with the number of data frames.
If the Transmit FIFO goes empty in-between, DWC_ssi masks the serial
clock and wait for rest of the data until the programmed amount of
frames are transferred successfully.
In receive mode, the number of data frames received is equal to this
register value plus 1.
In transmit mode, the number of data frames is equal this register
value.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-6-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In enhanced mode adjust the size of the data that can be sent or received
as this will then be used to set the NDF.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-5-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Before doing the mem op, spi controller will be queried about the
buswidths it supports. Add the single/dual/quad/octal if the controller
has the DW_SPI_CAP_EMODE capability.
The DW_SPI_CAP_EMODE capability will be enabled in a later patch.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-4-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
If the SPI transfer is being done in enhanced mode then SPI_CTRLR0
register needs to be updated to mention the instruction length, address
length, address and instruction transfer format, wait cycles. And, we
also need to enable clock stretching.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-3-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The DW APB SSI controllers of v4.x and newer and DW AHB SSI controllers
supports enhanced SPI modes which can be defined from SPI_FRF of
DW_SPI_CTRLR0 register. Without enhanced mode, these controllers will
work in the standard spi mode.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Co-developed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260803124044.156998-2-changhuang.liang@starfivetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The generic SPI controller binding allows GPIO-based chip selects, but
the MA35D1 QSPI driver currently supports only the controller's native
chip selects.
Disallow the cs-gpios property so that the binding matches the
functionality provided by the driver.
Signed-off-by: Chi-Wen Weng <cwweng@nuvoton.com>
Link: https://patch.msgid.link/20260803024048.1641756-1-cwweng.linux@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- Fix swiotlb initialization on systems where DRAM is located above
4GiB (such as the Tenstorrent Blackhole cards)
- Fix an out-of-bounds access in the memory hot-remove code that can
occur on Sv39 and Sv48 systems
- Avoid oopsing during boot if the SBI component of the unaligned
access performance checking code loses a race against __init
function freeing
- Avoid attempting to install the debug-enabled vDSO when it shouldn't
be built due to !CONFIG_MMU
- Avoid some sparse warnings by adding missing __iomem notations
in get_cycles{,_hi}()
- Drop an unnecessary runtime warning in the SiFive errata handler
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Merge tag 'riscv-for-linus-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Fix swiotlb initialization on systems where DRAM is located above
4GiB (such as the Tenstorrent Blackhole cards)
- Fix an out-of-bounds access in the memory hot-remove code that can
occur on Sv39 and Sv48 systems
- Avoid oopsing during boot if the SBI component of the unaligned
access performance checking code loses a race against __init function
freeing
- Avoid attempting to install the debug-enabled vDSO when it shouldn't
be built due to !CONFIG_MMU
- Avoid some sparse warnings by adding missing __iomem notations in
get_cycles{,_hi}()
- Drop an unnecessary runtime warning in the SiFive errata handler
* tag 'riscv-for-linus-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: vdso: Only try to install vDSO when present
riscv: mm: Fix out-of-bounds page-table walk during memory hot-remove
riscv: drop __init from vec_check_unaligned_access_speed_all_cpus
riscv: mm: fix SWIOTLB initialization for systems with DRAM above 4GB
riscv/sifive: remove warning in errata
riscv: time: Add missing __iomem in get_cycles() and get_cycles_hi()
- Fix PCI MMIO write syscall falsely reporting success for mappings not
valid for MMIO when MIO is unavailable by returning -EFAULT
- Fix CPRB parameter buffer overflows in zcrypt CCA AES cipher and ECC
private key conversion by rejecting oversized key tokens
- Fix buffer overreads and length underflow in pkey and zcrypt CCA token
validation by checking length fields against actual buffer sizes
- Fix out of bounds permission bitmap access in zcrypt EP11 admin CPRB
filtering on custom device nodes by using AP_DOMAINS as the limit
- Fix speculative permission bitmap reads in zcrypt CCA and EP11 admin
CPRB handling by sanitizing user controlled domain indexes
- Fix sensitive key material left in zcrypt CCA clear key import buffers
by scrubbing CPRB and temporary buffers after use
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Merge tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Fix PCI MMIO write syscall falsely reporting success for mappings not
valid for MMIO when MIO is unavailable by returning -EFAULT
- Fix CPRB parameter buffer overflows in zcrypt CCA AES cipher and ECC
private key conversion by rejecting oversized key tokens
- Fix buffer overreads and length underflow in pkey and zcrypt CCA
token validation by checking length fields against actual buffer
sizes
- Fix out of bounds permission bitmap access in zcrypt EP11 admin CPRB
filtering on custom device nodes by using AP_DOMAINS as the limit
- Fix speculative permission bitmap reads in zcrypt CCA and EP11 admin
CPRB handling by sanitizing user controlled domain indexes
- Fix sensitive key material left in zcrypt CCA clear key import
buffers by scrubbing CPRB and temporary buffers after use
* tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: Fix missing mem scrub at clear key import in cca_clr2cipherkey()
s390/zcrypt: Close speculative mem read possibility
s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs
s390/zcrypt: Fix buffer over-read in cca_cipher2protkey
s390/zcrypt: Validate length for CCA ECC private key requests
s390/zcrypt: Validate length for CCA AES cipher key requests
s390/pci: Fix s390_pci_mmio_write syscall error return without MIO
- Fix the boot-time memcmp() asm implementation's constraints
and optimization properties (Mauricio Faria de Oliveira)
- Move the 0xd0...0xd7 AMD Zen5 model range from the Zen6
range where it mistakenly ended up (Pratik Vishwakarma)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix the boot-time memcmp() asm implementation's constraints
and optimization properties (Mauricio Faria de Oliveira)
- Move the 0xd0...0xd7 AMD Zen5 model range from the Zen6
range where it mistakenly ended up (Pratik Vishwakarma)
* tag 'x86-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/CPU/AMD: Carve out a Zen5 models range
x86/boot: Add volatile, clobbers and zero-length test in memcmp()
Please consider pulling these changes from the signed vfs-7.2-rc6.fixes tag.
Thanks!
Christian
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Merge tag 'vfs-7.2-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"binfmt_misc:
- Don't let an 'F' entry pin its own instance.
An entry registered with 'F' opens its interpreter at registration
time and holds that file until the entry is freed, so an entry
nobody removes by hand is only closed once the binfmt_misc
superblock is shut down.
If the interpreter lives on a mount that keeps that superblock
alive the two pin each other and the file is never closed. That's
reachable by pointing the interpreter at the instance itself or by
using the instance as an overlayfs lower layer, and once the mount
namespace is gone there's nothing left to unregister through
either.
- Restore write access when removing an entry.
Registering with the MISC_FMT_OPEN_FILE flag opens the interpreter
via open_exec() which denies write access for as long as the entry
exists, but removal only did filp_close() and never restored it.
The inode's i_writecount stayed permanently negative and opening
the interpreter for writing kept failing with ETXTBSY long after
the entry was gone.
- Use exe_file_deny_write_access() for the interpreter clone so both
sides base their decision on the same mode.
- Reject a flag character as the field delimiter. create_entry() pads
the buffer with the delimiter so the field parsers terminate even
on a truncated string, but check_special_flags() consumes flag
characters instead of scanning for the delimiter.
If the delimiter is itself a flag character the padding stops
acting as a terminator and the scan keeps reading past the end of
the allocation. Such a registration was always rejected, just only
after the out of bounds read has already happened.
- Don't leak the user namespace when the mount fails.
bm_get_tree() hands its reference to get_tree_keyed() and sget_fc()
moves it into sb->s_fs_info, but generic_shutdown_super() only
calls ->put_super() from inside the if (sb->s_root) branch and
bm_fill_super() can fail before either s_root or s_op is in place.
Drop the reference in ->kill_sb() instead, which runs
unconditionally.
netfs:
- Clear PG_private_2 on a copy-to-cache append failure.
- Handle a rolling buffer allocation failure in single-object
writeback and drop the extra folio reference
netfs_write_folio_single() took before the append.
- Release the previously batched readahead folios when
rolling_buffer_load_from_ra() fails in
netfs_prepare_read_iterator()
- Fix the folio_queue ENOMEM in writeback by adding a mempool and
passing gfp flags into the rolling buffer helpers.
iomap:
- Add a separate bio_set for iomap_split_ioend(). It can split bios
that already come from iomap_ioend_bioset and deadlock once that
bioset is exhausted.
afs:
- Set call->async for an asynchronous afs_fs_fetch_data() the way
afs_fs_fetch_data64() already does.
- Subtract subreq->transferred from subreq->len in
afs_fs_fetch_data() rather than adding it.
- Fix a UAF when sending a message"
* tag 'vfs-7.2-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iomap: add a separate bio_set for iomap_split_ioend
binfmt_misc: don't leak the user namespace when the mount fails
binfmt_misc: reject a flag character as the field delimiter
binfmt_misc: use exe_file_deny_write_access() for the interpreter clone
binfmt_misc: restore write access when removing an entry
binfmt_misc: don't let an 'F' entry pin its own instance
netfs: Fix folio_queue ENOMEM in writeback by adding a mempool
netfs: release readahead folios on iterator preparation failure
netfs: handle single writeback rolling buffer allocation failure
netfs: clear PG_private_2 on copy-to-cache append failure
afs: Fix UAF when sending a message
afs: Fix afs_fs_fetch_data() to subtract transferred from len
afs: Fix afs_fs_fetch_data() to set call->async
No core changes. The largest driver fix is the reversion of threaded
interrupt handlers in UFS and the next is the resume deadlock fix in
hisi_sas which extends into libsas.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley"
"No core changes. The largest driver fix is the reversion of threaded
interrupt handlers in UFS and the next is the resume deadlock fix in
hisi_sas which extends into libsas"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Initialize hba->rpmbs list in ufshcd
scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit
scsi: target: Clear cmd_cnt when initial counter enrollment fails
scsi: zfcp: Fix memory leak during adapter release by destroying gid_pn_req
scsi: ufs: core: Revert "Delegate the interrupt service routine to a threaded IRQ handler"
scsi: ufs: core: Cancel RTC work in active-active suspend
scsi: scsi_debug: Fix REPORT ZONES alloc_len underflow OOB write
scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE
scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc
scsi: libsas: Fix HA resume deadlock and hisi_sas disk-wake race
scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer
scsi: libiscsi: Fix stale-data leak into the SCSI sense buffer
- amd-mp2: unregister callback if adapter registration fails
- designware: defer probe until child GPIO controllers are bound
- imx:
- mark adapter suspended while hardware is powered down
- fix stale slave pointer and shared IRQ registration race
- stop slave timer before clearing slave pointer
- iproc: reset controller if START_BUSY remains set after timeout
- jz4780: cache clock rate to avoid clk_get_rate() deadlock
- qcom-cci: rely on runtime PM helpers for system sleep
- spacemit: request interrupt after clock initialization
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Merge tag 'i2c-fixes-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux
Pull i2c fixes from Andi Shyti:
"A set of fixes across several host controller drivers. The largest
part addresses three issues in the i.MX driver, while the remaining
changes fix probe ordering, power management, timeout recovery and
error handling.
amd-mp2:
- unregister callback if adapter registration fails
designware:
- defer probe until child GPIO controllers are bound
imx:
- mark adapter suspended while hardware is powered down
- fix stale slave pointer and shared IRQ registration race
- stop slave timer before clearing slave pointer
iproc:
- reset controller if START_BUSY remains set after timeout
jz4780:
- cache clock rate to avoid clk_get_rate() deadlock
qcom-cci:
- rely on runtime PM helpers for system sleep
spacemit:
- request interrupt after clock initialization"
* tag 'i2c-fixes-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux:
i2c: qcom-cci: drop custom suspend/resume and rely on runtime PM helpers
i2c: imx: Cancel hrtimer before clearing slave pointer
i2c: imx: Fix slave registration race and error handling
i2c: iproc: reset bus after timeout if START_BUSY is stuck
i2c: imx: mark I2C adapter when hardware is powered down
i2c: designware: defer probe if child GpioInt controllers are not bound
i2c: jz4780: Cache host clock rate at probe to prevent CCF prepare_lock deadlock
i2c: amd-mp2: Unregister callback on adapter add failure
i2c: spacemit: request IRQ after controller initialization
- Fix regression with MO= when building out of tree kernel modules due
to incorrectly overwriting build tree's Makefile
- Avoid stripping .BTF sections from modules when building debug .rpm
packages
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Merge tag 'kbuild-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nathan Chancellor:
- Fix regression with MO= when building out of tree kernel modules due
to incorrectly overwriting build tree's Makefile
- Avoid stripping .BTF sections from modules when building debug .rpm
packages
* tag 'kbuild-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: rpm-pkg: Preserve BTF sections in kernel modules during debuginfo stripping
kbuild: Stop modifying $(objtree)/Makefile when building oot-kmods oos
- Reset dropped_count in mmio_reset_data()
When mmio_reset_data() is called, it does not reset the dropped_count
so that subsequent runs will have incorrect reporting.
- Add NULL check for mmio_trace_array in logging functions
The functions __trace_mmiotrace_rw() and __trace_mmiotrace_map()
may have the 'tr' variable passed to it as NULL. But they both
dereference it without checking if it is NULL first.
- Check return value of __register_event() in trace_module_add_events()
If __register_event() fails, the call after it (__add_event_to_tracers())
will create a file for it. If the module fails to load and its memory
is freed, the file will still point to it and it will not be removed
as the registering of the event did not complete. Only call
__add_event_to_tracers() if the __register_event() was successful.
- Fix false positive match in regex_match_full()
The regex full matching uses a strncmp() to test against the match
string and the value. It should not match if value is a prefix of
the string to match. Check to make sure the length of the strings
match before comparing.
- Fix reader page read offset for remote buffers
A page swapped in by __rb_get_reader_page_from_remote() retains its
stale read offset, causing subsequent reads to skip events or read
past valid data.
- Fix memory leak of subbuf_ids in rb_allocate_cpu_buffer()
Remote buffers allocate a subbuf_ids array. If the allocator function
fails after it is allocated, it does not free it, resulting in a
memory leak.
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Merge tag 'trace-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Reset dropped_count in mmio_reset_data()
When mmio_reset_data() is called, it does not reset the dropped_count
so that subsequent runs will have incorrect reporting.
- Add NULL check for mmio_trace_array in logging functions
The functions __trace_mmiotrace_rw() and __trace_mmiotrace_map() may
have the 'tr' variable passed to it as NULL. But they both
dereference it without checking if it is NULL first.
- Check return value of __register_event() in trace_module_add_events()
If __register_event() fails, the __add_event_to_tracers() call after
it will create a file for it. If the module fails to load and its
memory is freed, the file will still point to it and it will not be
removed as the registering of the event did not complete.
Only call __add_event_to_tracers() if the __register_event() was
successful.
- Fix false positive match in regex_match_full()
The regex full matching uses a strncmp() to test against the match
string and the value. It should not match if value is a prefix of the
string to match. Check to make sure the length of the strings match
before comparing.
- Fix reader page read offset for remote buffers
A page swapped in by __rb_get_reader_page_from_remote() retains its
stale read offset, causing subsequent reads to skip events or read
past valid data.
- Fix memory leak of subbuf_ids in rb_allocate_cpu_buffer()
Remote buffers allocate a subbuf_ids array. If the allocator function
fails after it is allocated, it does not free it, resulting in a
memory leak.
* tag 'trace-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Fix subbuf_ids memory leak in rb_allocate_cpu_buffer() error path
ring-buffer: Fix reader page read offset for remote buffers
tracing/filters: Fix false positive match in regex_match_full()
tracing: Check return value of __register_event() in trace_module_add_events()
tracing/mmiotrace: Add NULL check for mmio_trace_array in logging functions
tracing/mmiotrace: Reset dropped_count in mmio_reset_data()
- Keep RECALL_ON_OPEN in inode flags when reloading them from $FILE_NAME.
- Check runlist reallocation sizes for negative values and overflow.
- Drop stale page cache after shrinking non-resident attributes to prevent
writeback failures and data loss.
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Merge tag 'ntfs-for-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs
Pull ntfs fixes from Namjae Jeon:
- Keep RECALL_ON_OPEN in inode flags when reloading them from
$FILE_NAME
- Check runlist reallocation sizes for negative values and overflow
- Drop stale page cache after shrinking non-resident attributes to
prevent writeback failures and data loss
* tag 'ntfs-for-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: drop stale page-cache when shrinking a non-resident attr
ntfs: harden runlist realloc size calculations
ntfs: preserve RECALL_ON_OPEN on WSL special-file reparse points
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Merge tag 'v7.2-rc5-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Use memcmp() when comparing fixed-size binary ClientGUIDs, so
embedded NUL bytes are handled correctly
- Reject repeated SMB2 NEGOTIATE requests after dialect selection
This prevents preauth_info leaks, enforces the SMB2 protocol
requirements, and serializes negotiation state updates.
- Fix a use-after-free in __close_file_table_ids() by removing the
volatile file ID from the owning IDR before dropping the IDR
reference
* tag 'v7.2-rc5-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: use memcmp() to compare ClientGUIDs
ksmbd: reject repeated SMB2 NEGOTIATE requests
ksmbd: fix use-after-free in __close_file_table_ids()
- Fix PCI resource initialization in the sata_mv driver to keep legacy
Marvell boards functional (Rosen).
- Fix ahci_ceva driver initialization error path (Radhey).
- Fix libata header file to remove a kernel doc compilation warning
(Randy).
- Increase the timeout for the STANDBY IMMEDIATE command to avoid
suspend failures with drives that are slow to respond to this command
(Matt).
- Fixes for the handling of timed out commands in the presence of
deferred non-NCQ commands, to avoid excessive delays in executing the
error handler (me).
- Disable link power management for a couple of WD drives that have
been identified as not functioning properly when power management is
used (Niklas).
- Fix the device iteration loop when checking for link power management
support to correctly handle port multiplier setups (Niklas).
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Merge tag 'ata-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix PCI resource initialization in the sata_mv driver to keep legacy
Marvell boards functional (Rosen)
- Fix ahci_ceva driver initialization error path (Radhey)
- Fix libata header file to remove a kernel doc compilation warning
(Randy)
- Increase the timeout for the STANDBY IMMEDIATE command to avoid
suspend failures with drives that are slow to respond to this command
(Matt)
- Fixes for the handling of timed out commands in the presence of
deferred non-NCQ commands, to avoid excessive delays in executing the
error handler (me)
- Disable link power management for a couple of WD drives that have
been identified as not functioning properly when power management is
used (Niklas)
- Fix the device iteration loop when checking for link power management
support to correctly handle port multiplier setups (Niklas)
* tag 'ata-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-sata: fix ata_scsi_lpm_supported() iteration
ata: libata-core: Disable LPM on WD Green 2.5 480GB
ata: libata-core: Disable LPM on some WD drives
scsi: libsas: terminate deferred commands on time out
ata: libata-scsi: schedule deferred atapi command
ata: libata-scsi: terminate deferred commands on time out
ata: libata-eh: Increase STANDBY IMMEDIATE timeout
ata: libata: avoid kernel-doc warnings
ata: ahci_ceva: fix error paths in ceva_ahci_platform_enable_resources()
ata: sata_mv: accept 1 or 2 resources in platform probe
In rb_allocate_cpu_buffer(), cpu_buffer->subbuf_ids is allocated using
kcalloc() when buffer->remote is non-NULL. If a subsequent page allocation
fails (e.g., ring_buffer_desc_page() returns NULL or rb_allocate_pages()
fails), execution jumps to fail_free_reader.
While __free(kfree) automatically frees the outer cpu_buffer structure
at scope exit, kfree(cpu_buffer) does not recursively free nested heap
pointers such as cpu_buffer->subbuf_ids, resulting in a memory leak.
Fix this by explicitly freeing cpu_buffer->subbuf_ids in the
fail_free_reader error unwinding path when cpu_buffer->remote is set.
Link: https://patch.msgid.link/178550740672.380917.6067449683620196150.stgit@devnote2
Fixes: 2e67fabd8b ("ring-buffer: Introduce ring-buffer remotes")
Assisted-by: Antigravity:gemini-3.6-flash
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Merge tag 'block-7.2-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- A set of fixes for s390/dasd, via Stefan
- Fix for a missing stop of the timeout timer, if a disk has never been
added
- Clear kernel owned fields on ublk setup by default
* tag 'block-7.2-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
s390/dasd: Fix undersized format-check buffer
s390/dasd: Fix potential NULL pointer dereference
s390/dasd: Fix path verification interrupted by concurrent dasd_sleep_on_immediatly
block: stop the timeout timer when releasing a never added disk
ublk: reset kernel-owned dev_info fields in ublk_ctrl_add_dev()
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Merge tag 'io_uring-7.2-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a bug in how length caps are handled in multishot, and along
with it, a generic fix for avoiding these kinds of conversion issues
in the future.
- Ensure that task restrictions are always preserved across exec.
- Revert of the io_uring controlled epoll restriction, which disallowed
nested contexts. Turns out that libuv is already using it like that,
so we cannot simply remove it, sadly.
- Fix for a reference leak in the zcrx code.
* tag 'io_uring-7.2-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: preserve task restrictions across exec
io_uring/zcrx: don't clear master_ctx from the import path
Revert "io_uring/epoll: disallow adding an epoll file to an epoll context"
io_uring/kbuf: cap buffer selection length at MAX_RW_COUNT
io_uring/net: initialize mshot_len for send
- Fix NULL bus dereference in of_pci_range_parser_one()
- Prevent OOB access when too many dynamic reserved memory regions are
defined
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Merge tag 'devicetree-fixes-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix NULL bus dereference in of_pci_range_parser_one()
- Prevent out-of-bounds access when too many dynamic reserved memory
regions are defined
* tag 'devicetree-fixes-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/address: Fix NULL bus dereference in of_pci_range_parser_one()
of: reserved_mem: prevent OOB when too many dynamic regions are defined
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Merge tag 'hyperv-fixes-signed-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyper-v fixes from Wei Liu:
- Multiple fixes for the MSHV driver (Stanislav Kinsburskii, Wei Liu,
Yi Xie, Yousef Alhouseen)
- Multiple fixes for the VMBus driver (Hardik Garg, Michael Kelley,
Sebastian Andrzej Siewior)
* tag 'hyperv-fixes-signed-20260731' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
mshv_vtl: bounds-check cpu index in vtl mmap fault handler
mshv: Publish VP to pt_vp_array before installing the file descriptor
Drivers: hv: vmbus: add VTL2 redirect connection ID
mshv: Order pt_vp_array publish against irqfd assertion path
mshv: Fix missing error code on VP allocation failure
mshv: Fix level-triggered check on uninitialized data
mshv: Fix race in mshv_irqfd_deassign
mshv: Use kfree_rcu in mshv_portid_free
mshv: Fix sleeping under spinlock in mshv_portid_alloc
mshv: Fix duplicate GSI detection for GSI 0
Drivers: hv: vmbus: Remove vmbus_irq_initialized
Drivers: hv: vmbus: Replace lockdep_hardirq_threaded() with lockdep annotation
mshv_vtl: fix fd leak in mshv_ioctl_create_vtl()
mshv_vtl: clear hypercall output before copyout
Drivers: hv: vmbus: Set DMA coherent mask for VMBus devices
mshv: fix hv_input_get_system_property struct
