When 'iio_dev_opaque->buffer_ioctl_handler' alloc fails in
iio_buffers_alloc_sysfs_and_mask(), the 'attrs' allocated in
iio_buffer_register_legacy_sysfs_groups() will be leaked:
unreferenced object 0xffff888108568d00 (size 128):
comm "88", pid 2014, jiffies 4294963294 (age 26.920s)
hex dump (first 32 bytes):
80 3e da 02 80 88 ff ff 00 3a da 02 80 88 ff ff .>.......:......
00 35 da 02 80 88 ff ff 00 38 da 02 80 88 ff ff .5.......8......
backtrace:
[<0000000095a9e51e>] __kmalloc+0x1a3/0x2f0
[<00000000faa3735e>] iio_buffers_alloc_sysfs_and_mask+0xfa3/0x1480 [industrialio]
[<00000000a46384dc>] __iio_device_register+0x52e/0x1b40 [industrialio]
[<00000000210af05e>] __devm_iio_device_register+0x22/0x80 [industrialio]
[<00000000730d7b41>] adjd_s311_probe+0x195/0x200 [adjd_s311]
[<00000000c0f70eb9>] i2c_device_probe+0xa07/0xbb0
The iio_buffer_register_legacy_sysfs_groups() is
called in __iio_buffer_alloc_sysfs_and_mask(),
so move the iio_buffer_unregister_legacy_sysfs_groups()
into __iio_buffer_free_sysfs_and_mask(), then the memory
will be freed.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: d9a625744e ("iio: core: merge buffer/ & scan_elements/ attributes")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211018063718.1971240-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sync if statement with the actual warning.
Fixes: 9504db5765 ("iio: adc: tsc2046: fix a warning message in tsc2046_adc_update_scan_mode()")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211007093007.1466-2-o.rempel@pengutronix.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
I got the double free report:
BUG: KASAN: double-free or invalid-free in kfree+0xce/0x390
iio_device_unregister_sysfs+0x108/0x13b [industrialio]
iio_dev_release+0x9e/0x10e [industrialio]
device_release+0xa5/0x240
If __iio_device_register() fails, iio_dev_opaque->groups will be freed
in error path in iio_device_unregister_sysfs(), then iio_dev_release()
will call iio_device_unregister_sysfs() again, it causes double free.
Set iio_dev_opaque->groups to NULL when it's freed to fix this double free.
Not this is a local work around for a more general mess around life time
management that will get cleaned up and should make this handling
unnecesarry.
Fixes: 32f171724e ("iio: core: rework iio device group creation")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211013030532.956133-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
When __iio_buffer_alloc_sysfs_and_mask() failed, 'unwind_idx' should be
set to 'i - 1' to prevent double-free when cleanup resources.
BUG: KASAN: double-free or invalid-free in __iio_buffer_free_sysfs_and_mask+0x32/0xb0 [industrialio]
Call Trace:
kfree+0x117/0x4c0
__iio_buffer_free_sysfs_and_mask+0x32/0xb0 [industrialio]
iio_buffers_alloc_sysfs_and_mask+0x60d/0x1570 [industrialio]
__iio_device_register+0x483/0x1a30 [industrialio]
ina2xx_probe+0x625/0x980 [ina2xx_adc]
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: ee708e6baa ("iio: buffer: introduce support for attaching more IIO buffers")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211013094923.2473-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Check return value of kstrdup_const() in iio_buffer_wrap_attr(),
or it will cause null-ptr-deref in kernfs_name_hash() when calling
device_add() as follows:
BUG: kernel NULL pointer dereference, address: 0000000000000000
RIP: 0010:strlen+0x0/0x20
Call Trace:
kernfs_name_hash+0x22/0x110
kernfs_find_ns+0x11d/0x390
kernfs_remove_by_name_ns+0x3b/0xb0
remove_files.isra.1+0x7b/0x190
internal_create_group+0x7f1/0xbb0
internal_create_groups+0xa3/0x150
device_add+0x8f0/0x2020
cdev_device_add+0xc3/0x160
__iio_device_register+0x1427/0x1b40 [industrialio]
__devm_iio_device_register+0x22/0x80 [industrialio]
adjd_s311_probe+0x195/0x200 [adjd_s311]
i2c_device_probe+0xa07/0xbb0
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211013040438.1689277-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
On success i2c_master_send() returns the number of bytes written. The
call from iio_write_channel_info(), however, expects the return value to
be zero on success.
This bug causes incorrect consumption of the sysfs buffer in
iio_write_channel_info(). When writing more than two characters to
out_voltage0_raw, the ad5446 write handler is called multiple times
causing unexpected behavior.
Fixes: 3ec36a2cf0 ("iio:ad5446: Add support for I2C based DACs")
Signed-off-by: Pekka Korpinen <pekka.korpinen@iki.fi>
Link: https://lore.kernel.org/r/20210929185755.2384-1-pekka.korpinen@iki.fi
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
A correct value for output-range-microvolts is -5 to 5 Volts
not -5 to 5 milivolts
Fixes: e904cc8992 ("dt-bindings: iio: dac: AD5766 yaml documentation")
Signed-off-by: Mihail Chindris <mihail.chindris@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20211007080035.2531-6-mihail.chindris@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In the documentation the name for the property is
output-range-microvolts which is a standard name, therefore this name
must be used.
Fixes: fd9373e41b ("iio: dac: ad5766: add driver support for AD5766")
Signed-off-by: Mihail Chindris <mihail.chindris@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20211007080035.2531-5-mihail.chindris@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding SPI IDs for parts that
only have a compatible listed.
Fixes: 96c8395e21 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210927134153.12739-1-broonie@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The problem is that "mac_id" is a u32 so this check for underflow does
not work when "mac_id" is zero. In that situation, "mac_id - 1" is
UINT_MAX instead of -1 so the condition is true. It leads to an
array underflow on the next line.
Fixes: 8cd574e6af ("staging: r8188eu: introduce new hal dir for RTL8188eu driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210930122604.GB10068@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The comparison against SIZE_MAX produces a harmless warning on 64-bit
architectures:
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:185:16: error: result of comparison of constant 419244183493398898 with expression of type 'unsigned int' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
if (num_pages > (SIZE_MAX - sizeof(struct pagelist) -
~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Shut up that warning by adding a cast to a longer type.
Fixes: ca641bae6d ("staging: vc04_services: prevent integer overflow in create_pagelist()")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210927113702.3866843-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Usual mixed back of minor bug fixes.
adi,ad7192, ad7780, ad7793
* Fix incorrect IRQ_FLAG types. As the IRQ line is shared with the data
line we can be sure of the polarity and edge like nature. They were
previously either left unspecified or as level interrupts which may
cause problems on power up.
adi,adis16475
* Fix a deadlock by calling unlocked function when lock already held. Also
deal with making sure lock is released correctly.
adi,adis16480
* Fix assumption that all devices support sleep mode.
aspeed,adc
* Add missing platform_set_drvdata() so we can get the indio_dev in remove
as was being assumed.
fsl,fxls8962af
* Return IRQ_HANDLED on flush rather than a positive 'error' code.
maxim,max1207
* Fix a wrong shift on 12-bit devices that will lead to incorrect scale.
* Fix wrong number of channels on max1X31 devices due to allocating them twice.
mediatek,mt6577
* Fix a failure to apply scaling to IIO_CHAN_INFO_PROCESSED
renesas,rzg2l
* Fix failure to return -EBUSY on timeout due to ignored error code.
* Add a missing clk_disable_unprepare() on error in runtime_resume.
samsung,ssp_spi
* Fix an error code to always be returned on invalid length.
* Add some range checking to ensure resilience against bad data leading
to potential overflow.
ti,adc128s052
* Fix an error handling path that leaves regulator on if probe fails.
ti,dac5571
* Add missing return value in a switch default.
ti,opt3001
* Fix case where sensor returns 0 lux and we were previously accidentally
returning that this was a timeout.
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Merge tag 'iio-fixes-for-5.15a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
1st set of IIO fixes for the 5.15 cycle
Usual mixed back of minor bug fixes.
adi,ad7192, ad7780, ad7793
* Fix incorrect IRQ_FLAG types. As the IRQ line is shared with the data
line we can be sure of the polarity and edge like nature. They were
previously either left unspecified or as level interrupts which may
cause problems on power up.
adi,adis16475
* Fix a deadlock by calling unlocked function when lock already held. Also
deal with making sure lock is released correctly.
adi,adis16480
* Fix assumption that all devices support sleep mode.
aspeed,adc
* Add missing platform_set_drvdata() so we can get the indio_dev in remove
as was being assumed.
fsl,fxls8962af
* Return IRQ_HANDLED on flush rather than a positive 'error' code.
maxim,max1207
* Fix a wrong shift on 12-bit devices that will lead to incorrect scale.
* Fix wrong number of channels on max1X31 devices due to allocating them twice.
mediatek,mt6577
* Fix a failure to apply scaling to IIO_CHAN_INFO_PROCESSED
renesas,rzg2l
* Fix failure to return -EBUSY on timeout due to ignored error code.
* Add a missing clk_disable_unprepare() on error in runtime_resume.
samsung,ssp_spi
* Fix an error code to always be returned on invalid length.
* Add some range checking to ensure resilience against bad data leading
to potential overflow.
ti,adc128s052
* Fix an error handling path that leaves regulator on if probe fails.
ti,dac5571
* Add missing return value in a switch default.
ti,opt3001
* Fix case where sensor returns 0 lux and we were previously accidentally
returning that this was a timeout.
* tag 'iio-fixes-for-5.15a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: light: opt3001: Fixed timeout error when 0 lux
iio: adis16480: fix devices that do not support sleep mode
iio: mtk-auxadc: fix case IIO_CHAN_INFO_PROCESSED
iio: adis16475: fix deadlock on frequency set
iio: ssp_sensors: add more range checking in ssp_parse_dataframe()
iio: ssp_sensors: fix error code in ssp_print_mcu_debug()
iio: adc: ad7793: Fix IRQ flag
iio: adc: ad7780: Fix IRQ flag
iio: adc: ad7192: Add IRQ flag
iio: adc: aspeed: set driver data when adc probe.
iio: adc: rzg2l_adc: add missing clk_disable_unprepare() in rzg2l_adc_pm_runtime_resume()
iio: adc: max1027: Fix the number of max1X31 channels
iio: adc: max1027: Fix wrong shift with 12-bit devices
iio: adc128s052: Fix the error handling path of 'adc128_probe()'
iio: adc: rzg2l_adc: Fix -EBUSY timeout error return
iio: accel: fxls8962af: return IRQ_HANDLED when fifo is flushed
iio: dac: ti-dac5571: fix an error code in probe()
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Merge tag '5.15-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd fixes from Steve French:
"Five fixes for the ksmbd kernel server, including three security
fixes:
- remove follow symlinks support
- use LOOKUP_BENEATH to prevent out of share access
- SMB3 compounding security fix
- fix for returning the default streams correctly, fixing a bug when
writing ppt or doc files from some clients
- logging more clearly that ksmbd is experimental (at module load
time)"
* tag '5.15-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: use LOOKUP_BENEATH to prevent the out of share access
ksmbd: remove follow symlinks support
ksmbd: check protocol id in ksmbd_verify_smb_message()
ksmbd: add default data stream name in FILE_STREAM_INFORMATION
ksmbd: log that server is experimental at module load
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Merge tag 'edac_urgent_for_v5.15_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
"Fix two EDAC drivers using the wrong value type for the DIMM mode"
* tag 'edac_urgent_for_v5.15_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/dmc520: Assign the proper type to dimm->edac_mode
EDAC/synopsys: Fix wrong value type assignment for edac_mode
restored on Intel platform (Antoine Tenart)
- Fix potential buffer overflow when building the list of
policies. The buffer size is not updated after writing to it (Dan
Carpenter)
- Fix wrong check against IS_ERR instead of NULL (Ansuel Smith)
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Merge tag 'thermal-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal fixes from Daniel Lezcano:
- Fix thermal shutdown after a suspend/resume due to a wrong TCC value
restored on Intel platform (Antoine Tenart)
- Fix potential buffer overflow when building the list of policies. The
buffer size is not updated after writing to it (Dan Carpenter)
- Fix wrong check against IS_ERR instead of NULL (Ansuel Smith)
* tag 'thermal-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal/drivers/tsens: Fix wrong check for tzd in irq handlers
thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
thermal/drivers/int340x: Do not set a wrong tcc offset on resume
- Prevent sending the wrong signal when protection keys are enabled and
the kernel handles a fault in the vsyscall emulation.
- Invoke early_reserve_memory() before invoking e820_memory_setup() which
is required to make the Xen dom0 e820 hooks work correctly.
- Use the correct data type for the SETZ operand in the EMQCMDS
instruction wrapper.
- Prevent undefined behaviour to the potential unaligned accesss in the
instroction decoder library.
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Merge tag 'x86-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of fixes for X86:
- Prevent sending the wrong signal when protection keys are enabled
and the kernel handles a fault in the vsyscall emulation.
- Invoke early_reserve_memory() before invoking e820_memory_setup()
which is required to make the Xen dom0 e820 hooks work correctly.
- Use the correct data type for the SETZ operand in the EMQCMDS
instruction wrapper.
- Prevent undefined behaviour to the potential unaligned accesss in
the instruction decoder library"
* tag 'x86-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/insn, tools/x86: Fix undefined behavior due to potential unaligned accesses
x86/asm: Fix SETZ size enqcmds() build failure
x86/setup: Call early_reserve_memory() earlier
x86/fault: Fix wrong signal when vsyscall fails with pkey
which failed to stop the timer when requested. That caused unexpected
signals to be sent to the process/thread causing malfunction.
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Merge tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix for the recently introduced regression in posix CPU
timers which failed to stop the timer when requested. That caused
unexpected signals to be sent to the process/thread causing
malfunction"
* tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Prevent spuriously armed 0-value itimer
- Work around a bad GIC integration on a Renesas platform which can't
handle byte-sized MMIO access
- Plug a potential memory leak in the GICv4 driver
- Fix a regression in the Armada 370-XP IPI code which was caused by
issuing EOI instack of ACK.
- A couple of small fixes here and there
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Merge tag 'irq-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for interrupt chip drivers:
- Work around a bad GIC integration on a Renesas platform which can't
handle byte-sized MMIO access
- Plug a potential memory leak in the GICv4 driver
- Fix a regression in the Armada 370-XP IPI code which was caused by
issuing EOI instack of ACK.
- A couple of small fixes here and there"
* tag 'irq-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic: Work around broken Renesas integration
irqchip/renesas-rza1: Use semicolons instead of commas
irqchip/gic-v3-its: Fix potential VPE leak on error
irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build
irqchip/mbigen: Repair non-kernel-doc notation
irqdomain: Change the type of 'size' in __irq_domain_add() to be consistent
irqchip/armada-370-xp: Fix ack/eoi breakage
Documentation: Fix irq-domain.rst build warning
Not all devices supported by this driver support being put to sleep
mode. For those devices, when calling 'adis16480_stop_device()' on the
unbind path, we where actually writing in the SYNC_SCALE register.
Fixes: 80cbc848c4 ("iio: imu: adis16480: Add support for ADIS16490")
Fixes: 82e7a1b250 ("iio: imu: adis16480: Add support for ADIS1649x family of devices")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210903141423.517028-6-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The previous driver does't apply the necessary scaling to take the
voltage range into account.
We change readback value from raw data to input voltage to fix case
IIO_CHAN_INFO_PROCESSED.
Fixes: ace4cdfe67 ("iio: adc: mt2701: Add Mediatek auxadc driver for mt2701.")
Signed-off-by: Hui Liu <hui.liu@mediatek.com>
Link: https://lore.kernel.org/r/20210926073028.11045-2-hui.liu@mediatek.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Merge misc fixes from Andrew Morton:
"16 patches.
Subsystems affected by this patch series: xtensa, sh, ocfs2, scripts,
lib, and mm (memory-failure, kasan, damon, shmem, tools, pagecache,
debug, and pagemap)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: fix uninitialized use in overcommit_policy_handler
mm/memory_failure: fix the missing pte_unmap() call
kasan: always respect CONFIG_KASAN_STACK
sh: pgtable-3level: fix cast to pointer from integer of different size
mm/debug: sync up latest migrate_reason to migrate_reason_names
mm/debug: sync up MR_CONTIG_RANGE and MR_LONGTERM_PIN
mm: fs: invalidate bh_lrus for only cold path
lib/zlib_inflate/inffast: check config in C to avoid unused function warning
tools/vm/page-types: remove dependency on opt_file for idle page tracking
scripts/sorttable: riscv: fix undeclared identifier 'EM_RISCV' error
ocfs2: drop acl cache for directories too
mm/shmem.c: fix judgment error in shmem_is_huge()
xtensa: increase size of gcc stack frame check
mm/damon: don't use strnlen() with known-bogus source length
kasan: fix Kconfig check of CC_HAS_WORKING_NOSANITIZE_ADDRESS
mm, hwpoison: add is_free_buddy_page() in HWPoisonHandlable()
Thirty Three fixes, I'm afraid. Essentially the build up from the
last couple of weeks while I've been dealling with Linux Plumbers
conference infrastructure issues. It's mostly the usual assortment of
spelling fixes and minor corrections. The only core relevant changes
are to the sd driver to reduce the spin up message spew and fix a
small memory leak on the freeing path.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.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:
"Thirty-three fixes, I'm afraid.
Essentially the build up from the last couple of weeks while I've been
dealling with Linux Plumbers conference infrastructure issues. It's
mostly the usual assortment of spelling fixes and minor corrections.
The only core relevant changes are to the sd driver to reduce the spin
up message spew and fix a small memory leak on the freeing path"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (33 commits)
scsi: ses: Retry failed Send/Receive Diagnostic commands
scsi: target: Fix spelling mistake "CONFLIFT" -> "CONFLICT"
scsi: lpfc: Fix gcc -Wstringop-overread warning, again
scsi: lpfc: Use correct scnprintf() limit
scsi: lpfc: Fix sprintf() overflow in lpfc_display_fpin_wwpn()
scsi: core: Remove 'current_tag'
scsi: acornscsi: Remove tagged queuing vestiges
scsi: fas216: Kill scmd->tag
scsi: qla2xxx: Restore initiator in dual mode
scsi: ufs: core: Unbreak the reset handler
scsi: sd_zbc: Support disks with more than 2**32 logical blocks
scsi: ufs: core: Revert "scsi: ufs: Synchronize SCSI and UFS error handling"
scsi: bsg: Fix device unregistration
scsi: sd: Make sd_spinup_disk() less noisy
scsi: ufs: ufs-pci: Fix Intel LKF link stability
scsi: mpt3sas: Clean up some inconsistent indenting
scsi: megaraid: Clean up some inconsistent indenting
scsi: sr: Fix spelling mistake "does'nt" -> "doesn't"
scsi: Remove SCSI CDROM MAINTAINERS entry
scsi: megaraid: Fix Coccinelle warning
...
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Merge tag 'io_uring-5.15-2021-09-25' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"This one looks a bit bigger than it is, but that's mainly because 2/3
of it is enabling IORING_OP_CLOSE to close direct file descriptors.
We've had a few folks using them and finding it confusing that the way
to close them is through using -1 for file update, this just brings
API symmetry for direct descriptors. Hence I think we should just do
this now and have a better API for 5.15 release. There's some room for
de-duplicating the close code, but we're leaving that for the next
merge window.
Outside of that, just small fixes:
- Poll race fixes (Hao)
- io-wq core dump exit fix (me)
- Reschedule around potentially intensive tctx and buffer iterators
on teardown (me)
- Fix for always ending up punting files update to io-wq (me)
- Put the provided buffer meta data under memcg accounting (me)
- Tweak for io_write(), removing dead code that was added with the
iterator changes in this release (Pavel)"
* tag 'io_uring-5.15-2021-09-25' of git://git.kernel.dk/linux-block:
io_uring: make OP_CLOSE consistent with direct open
io_uring: kill extra checks in io_write()
io_uring: don't punt files update to io-wq unconditionally
io_uring: put provided buffer meta data under memcg accounting
io_uring: allow conditional reschedule for intensive iterators
io_uring: fix potential req refcount underflow
io_uring: fix missing set of EPOLLONESHOT for CQ ring overflow
io_uring: fix race between poll completion and cancel_hash insertion
io-wq: ensure we exit if thread group is exiting
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Merge tag 'block-5.15-2021-09-25' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- keep ctrl->namespaces ordered (Christoph Hellwig)
- fix incorrect h2cdata pdu offset accounting in nvme-tcp (Sagi
Grimberg)
- handled updated hw_queues in nvme-fc more carefully (Daniel
Wagner, James Smart)
- md lock order fix (Christoph)
- fallocate locking fix (Ming)
- blktrace UAF fix (Zhihao)
- rq-qos bio tracking fix (Ming)
* tag 'block-5.15-2021-09-25' of git://git.kernel.dk/linux-block:
block: hold ->invalidate_lock in blkdev_fallocate
blktrace: Fix uaf in blk_trace access after removing by sysfs
block: don't call rq_qos_ops->done_bio if the bio isn't tracked
md: fix a lock order reversal in md_alloc
nvme: keep ctrl->namespaces ordered
nvme-tcp: fix incorrect h2cdata pdu offset accounting
nvme-fc: remove freeze/unfreeze around update_nr_hw_queues
nvme-fc: avoid race between time out and tear down
nvme-fc: update hardware queues before using them
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Merge tag 'for-linus-5.15b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Some minor cleanups and fixes of some theoretical bugs, as well as a
fix of a bug introduced in 5.15-rc1"
* tag 'for-linus-5.15b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/x86: fix PV trap handling on secondary processors
xen/balloon: fix balloon kthread freezing
swiotlb-xen: this is PV-only on x86
xen/pci-swiotlb: reduce visibility of symbols
PCI: only build xen-pcifront in PV-enabled environments
swiotlb-xen: ensure to issue well-formed XENMEM_exchange requests
Xen/gntdev: don't ignore kernel unmapping error
xen/x86: drop redundant zeroing from cpu_initialize_context()
This Kselftest fixes update for Linux 5.15-rc3 consists of:
- fix to Kselftest common framework header install to run before
other targets for it work correctly in parallel build case.
- fixes to kvm test to not ignore fscanf() returns which could
result in inconsistent test behavior and failures.
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Merge tag 'linux-kselftest-fixes-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- fix to Kselftest common framework header install to run before other
targets for it work correctly in parallel build case.
- fixes to kvm test to not ignore fscanf() returns which could result
in inconsistent test behavior and failures.
* tag 'linux-kselftest-fixes-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: kvm: fix get_run_delay() ignoring fscanf() return warn
selftests: kvm: move get_run_delay() into lib/test_util
selftests:kvm: fix get_trans_hugepagesz() ignoring fscanf() return warn
selftests:kvm: fix get_warnings_count() ignoring fscanf() return warn
selftests: be sure to make khdr before other targets
- fix the dangling pointer use in erofs_lookup tracepoint;
- fix unsupported chunk format check;
- zero out compacted_2b if compacted_4b_initial > totalidx.
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Merge tag 'erofs-for-5.15-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"Two bugfixes to fix the 4KiB blockmap chunk format availability and a
dangling pointer usage. There is also a trivial cleanup to clarify
compacted_2b if compacted_4b_initial > totalidx.
Summary:
- fix the dangling pointer use in erofs_lookup tracepoint
- fix unsupported chunk format check
- zero out compacted_2b if compacted_4b_initial > totalidx"
* tag 'erofs-for-5.15-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: clear compacted_2b if compacted_4b_initial > totalidx
erofs: fix misbehavior of unsupported chunk format check
erofs: fix up erofs_lookup tracepoint
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Merge tag '5.15-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Six small cifs/smb3 fixes, two for stable:
- important fix for deferred close (found by a git functional test)
related to attribute caching on close.
- four (two cosmetic, two more serious) small fixes for problems
pointed out by smatch via Dan Carpenter
- fix for comment formatting problems pointed out by W=1"
* tag '5.15-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix incorrect check for null pointer in header_assemble
smb3: correct server pointer dereferencing check to be more consistent
smb3: correct smb3 ACL security descriptor
cifs: Clear modified attribute bit from inode flags
cifs: Deal with some warnings from W=1
cifs: fix a sign extension bug
Here are some small char and misc driver fixes for 5.15-rc3.
Nothing huge in here, just fixes for a number of small issues that have
been reported. These include:
- habanalabs race conditions and other bugs fixed
- binder driver fixes
- fpga driver fixes
- coresight build warning fix
- nvmem driver fix
- comedi memory leak fix
- bcm-vk tty race fix
- other tiny driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for 5.15-rc3.
Nothing huge in here, just fixes for a number of small issues that
have been reported. These include:
- habanalabs race conditions and other bugs fixed
- binder driver fixes
- fpga driver fixes
- coresight build warning fix
- nvmem driver fix
- comedi memory leak fix
- bcm-vk tty race fix
- other tiny driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
comedi: Fix memory leak in compat_insnlist()
nvmem: NVMEM_NINTENDO_OTP should depend on WII
misc: bcm-vk: fix tty registration race
fpga: dfl: Avoid reads to AFU CSRs during enumeration
fpga: machxo2-spi: Fix missing error code in machxo2_write_complete()
fpga: machxo2-spi: Return an error on failure
habanalabs: expose a single cs seq in staged submissions
habanalabs: fix wait offset handling
habanalabs: rate limit multi CS completion errors
habanalabs/gaudi: fix LBW RR configuration
habanalabs: Fix spelling mistake "FEADBACK" -> "FEEDBACK"
habanalabs: fail collective wait when not supported
habanalabs/gaudi: use direct MSI in single mode
habanalabs: fix kernel OOPs related to staged cs
habanalabs: fix potential race in interrupt wait ioctl
mcb: fix error handling in mcb_alloc_bus()
misc: genwqe: Fixes DMA mask setting
coresight: syscfg: Fix compiler warning
nvmem: core: Add stubs for nvmem_cell_read_variable_le_u32/64 if !CONFIG_NVMEM
binder: make sure fd closes complete
...
Here are 2 small staging driver fixes for 5.15-rc3:
- greybus tty use-after-free bugfix
- r8188eu ioctl overlap build warning fix
Note, the r8188eu ioctl has been entirely removed for 5.16-rc1, but it's
good to get this fixed now for people using this in 5.15.
Both of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for 5.15-rc3:
- greybus tty use-after-free bugfix
- r8188eu ioctl overlap build warning fix
Note, the r8188eu ioctl has been entirely removed for 5.16-rc1, but
it's good to get this fixed now for people using this in 5.15.
Both of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: fix -Wrestrict warnings
staging: greybus: uart: fix tty use after free
Here are 4 small tty/serial driver fixes for 5.15-rc3. They include:
- remove an export now that no one is using it anymore
- mvebu-uart tx_empty callback fix
- 8250_omap bugfix
- synclink_gt build fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are four small tty/serial driver fixes for 5.15-rc3. They
include:
- remove an export now that no one is using it anymore
- mvebu-uart tx_empty callback fix
- 8250_omap bugfix
- synclink_gt build fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: unexport tty_ldisc_release
tty: synclink_gt: rename a conflicting function name
serial: mvebu-uart: fix driver's tx_empty callback
serial: 8250: 8250_omap: Fix RX_LVL register offset
Here are some USB driver fixes and new device ids for 5.15-rc3.
They include:
- usb-storage quirk additions
- usb-serial new device ids
- usb-serial driver fixes
- USB roothub registration bugfix to resolve a long-reported
issue
- usb gadget driver fixes for a large number of small things
- dwc2 driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some USB driver fixes and new device ids for 5.15-rc3.
They include:
- usb-storage quirk additions
- usb-serial new device ids
- usb-serial driver fixes
- USB roothub registration bugfix to resolve a long-reported issue
- usb gadget driver fixes for a large number of small things
- dwc2 driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
USB: serial: option: add device id for Foxconn T99W265
USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
USB: serial: cp210x: add part-number debug printk
USB: serial: cp210x: fix dropped characters with CP2102
MAINTAINERS: usb, update Peter Korsgaard's entries
usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
USB: serial: option: remove duplicate USB device ID
USB: serial: mos7840: remove duplicated 0xac24 device ID
arm64: dts: qcom: ipq8074: remove USB tx-fifo-resize property
usb: gadget: f_uac2: Populate SS descriptors' wBytesPerInterval
usb: gadget: f_uac2: Add missing companion descriptor for feedback EP
usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA
usb: core: hcd: Modularize HCD stop configuration in usb_stop_hcd()
xhci: Set HCD flag to defer primary roothub registration
usb: core: hcd: Add support for deferring roothub registration
usb: dwc2: gadget: Fix ISOC flow for BDMA and Slave
usb: dwc3: core: balance phy init and exit
Revert "USB: bcma: Add a check for devm_gpiod_get"
...
With commit 39c024b51b
("iio: adis16475: improve sync scale mode handling"), two deadlocks were
introduced:
1) The call to 'adis_write_reg_16()' was not changed to it's unlocked
version.
2) The lock was not being released on the success path of the function.
This change fixes both these issues.
Fixes: 39c024b51b ("iio: adis16475: improve sync scale mode handling")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210920090047.74903-1-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
instead of removing '..' in a given path, call
kern_path with LOOKUP_BENEATH flag to prevent
the out of share access.
ran various test on this:
smb2-cat-async smb://127.0.0.1/homes/../out_of_share
smb2-cat-async smb://127.0.0.1/homes/foo/../../out_of_share
smbclient //127.0.0.1/homes -c "mkdir ../foo2"
smbclient //127.0.0.1/homes -c "rename bar ../bar"
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Ralph Boehme <slow@samba.org>
Tested-by: Steve French <smfrench@gmail.com>
Tested-by: Namjae Jeon <linkinjeon@kernel.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
We get an unexpected value of /proc/sys/vm/overcommit_memory after
running the following program:
int main()
{
int fd = open("/proc/sys/vm/overcommit_memory", O_RDWR);
write(fd, "1", 1);
write(fd, "2", 1);
close(fd);
}
write(fd, "2", 1) will pass *ppos = 1 to proc_dointvec_minmax.
proc_dointvec_minmax will return 0 without setting new_policy.
t.data = &new_policy;
ret = proc_dointvec_minmax(&t, write, buffer, lenp, ppos)
-->do_proc_dointvec
-->__do_proc_dointvec
if (write) {
if (proc_first_pos_non_zero_ignore(ppos, table))
goto out;
sysctl_overcommit_memory = new_policy;
so sysctl_overcommit_memory will be set to an uninitialized value.
Check whether new_policy has been changed by proc_dointvec_minmax.
Link: https://lkml.kernel.org/r/20210923020524.13289-1-chenjun102@huawei.com
Fixes: 56f3547bfa ("mm: adjust vm_committed_as_batch according to vm overcommit policy")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Rui Xiang <rui.xiang@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The paired pte_unmap() call is missing before the
dev_pagemap_mapping_shift() returns. So fix it.
David says:
"I guess this code never runs on 32bit / highmem, that's why we didn't
notice so far".
[akpm@linux-foundation.org: cleanup]
Link: https://lkml.kernel.org/r/20210923122642.4999-1-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently, the asan-stack parameter is only passed along if
CFLAGS_KASAN_SHADOW is not empty, which requires KASAN_SHADOW_OFFSET to
be defined in Kconfig so that the value can be checked. In RISC-V's
case, KASAN_SHADOW_OFFSET is not defined in Kconfig, which means that
asan-stack does not get disabled with clang even when CONFIG_KASAN_STACK
is disabled, resulting in large stack warnings with allmodconfig:
drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c:117:12: error: stack frame size (14400) exceeds limit (2048) in function 'lb035q02_connect' [-Werror,-Wframe-larger-than]
static int lb035q02_connect(struct omap_dss_device *dssdev)
^
1 error generated.
Ensure that the value of CONFIG_KASAN_STACK is always passed along to
the compiler so that these warnings do not happen when
CONFIG_KASAN_STACK is disabled.
Link: https://github.com/ClangBuiltLinux/linux/issues/1453
References: 6baec880d7 ("kasan: turn off asan-stack for clang-8 and earlier")
Link: https://lkml.kernel.org/r/20210922205525.570068-1-nathan@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If X2TLB=y (CPU_SHX2=y or CPU_SHX3=y, e.g. migor_defconfig), pgd_t.pgd
is "unsigned long long", causing:
In file included from arch/sh/include/asm/pgtable.h:13,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/sh/kernel/asm-offsets.c:14:
arch/sh/include/asm/pgtable-3level.h: In function `pud_pgtable':
arch/sh/include/asm/pgtable-3level.h:37:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
37 | return (pmd_t *)pud_val(pud);
| ^
Fix this by adding an intermediate cast to "unsigned long", which is
basically what the old code did before.
Link: https://lkml.kernel.org/r/2c2eef3c9a2f57e5609100a4864715ccf253d30f.1631713483.git.geert+renesas@glider.be
Fixes: 9cf6fa2458 ("mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Daniel Palmer <daniel@thingy.jp>
Acked-by: Rob Landley <rob@landley.net>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Cc: Rich Felker <dalias@libc.org>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sync up MR_DEMOTION to migrate_reason_names and add a synch prompt.
Link: https://lkml.kernel.org/r/20210921064553.293905-3-o451686892@gmail.com
Fixes: 26aa2d199d ("mm/migrate: demote pages during reclaim")
Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mina Almasry <almasrymina@google.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Wei Xu <weixugc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sync up MR_CONTIG_RANGE and MR_LONGTERM_PIN to migrate_reason_names.
Link: https://lkml.kernel.org/r/20210921064553.293905-2-o451686892@gmail.com
Fixes: 310253514b ("mm/migrate: rename migration reason MR_CMA to MR_CONTIG_RANGE")
Fixes: d1e153fea2 ("mm/gup: migrate pinned pages out of movable zone")
Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mina Almasry <almasrymina@google.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The kernel test robot reported the regression of fio.write_iops[1] with
commit 8cc621d2f4 ("mm: fs: invalidate BH LRU during page migration").
Since lru_add_drain is called frequently, invalidate bh_lrus there could
increase bh_lrus cache miss ratio, which needs more IO in the end.
This patch moves the bh_lrus invalidation from the hot path( e.g.,
zap_page_range, pagevec_release) to cold path(i.e., lru_add_drain_all,
lru_cache_disable).
Zhengjun Xing confirmed
"I test the patch, the regression reduced to -2.9%"
[1] https://lore.kernel.org/lkml/20210520083144.GD14190@xsang-OptiPlex-9020/
[2] 8cc621d2f4, mm: fs: invalidate BH LRU during page migration
Link: https://lkml.kernel.org/r/20210907212347.1977686-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Chris Goldsworthy <cgoldswo@codeaurora.org>
Tested-by: "Xing, Zhengjun" <zhengjun.xing@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Building Linux for ppc64le with Ubuntu clang version
12.0.0-3ubuntu1~21.04.1 shows the warning below.
arch/powerpc/boot/inffast.c:20:1: warning: unused function 'get_unaligned16' [-Wunused-function]
get_unaligned16(const unsigned short *p)
^
1 warning generated.
Fix it by moving the check from the preprocessor to C, so the compiler
sees the use.
Link: https://lkml.kernel.org/r/20210920084332.5752-1-pmenzel@molgen.mpg.de
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Idle page tracking can also be used for process address space, not only
file mappings.
Without this change, using with '-i' option for process address space
encounters below errors reported.
$ sudo ./page-types -p $(pidof bash) -i
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
...
Link: https://lkml.kernel.org/r/20210917032826.10669-1-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix the following build failure reported in [1] by adding a conditional
definition of EM_RISCV in order to allow cross-compilation on machines
which do not have EM_RISCV definition in their host.
scripts/sorttable.c:352:7: error: use of undeclared identifier 'EM_RISCV'
EM_RISCV was added to <elf.h> in glibc 2.24 so builds on systems with
glibc headers < 2.24 should show this error.
[mkubecek@suse.cz: changelog addition]
Link: https://lore.kernel.org/lkml/e8965b25-f15b-c7b4-748c-d207dda9c8e8@i2se.com/ [1]
Link: https://lkml.kernel.org/r/20210913030625.4525-1-miles.chen@mediatek.com
Fixes: 54fed35fd3 ("riscv: Enable BUILDTIME_TABLE_SORT")
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Cc: Michal Kubecek <mkubecek@suse.cz>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ocfs2_data_convert_worker() is currently dropping any cached acl info
for FILE before down-converting meta lock. It should also drop for
DIRECTORY. Otherwise the second acl lookup returns the cached one (from
VFS layer) which could be already stale.
The problem we are seeing is that the acl changes on one node doesn't
get refreshed on other nodes in the following case:
Node 1 Node 2
-------------- ----------------
getfacl dir1
getfacl dir1 <-- this is OK
setfacl -m u:user1:rwX dir1
getfacl dir1 <-- see the change for user1
getfacl dir1 <-- can't see change for user1
Link: https://lkml.kernel.org/r/20210903012631.6099-1-wen.gang.wang@oracle.com
Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Yang Yingliang