* Fix error handling in ibmaem driver initialization
* Fix bad data reported by occ driver after setting power cap
* Fix typos in pmbus/ucd9200 driver comments
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Merge tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix error handling in ibmaem driver initialization
- Fix bad data reported by occ driver after setting power cap
- Fix typos in pmbus/ucd9200 driver comments
* tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails
hwmon: (pmbus/ucd9200) fix typos in comments
hwmon: (occ) Prevent power cap command overwriting poll response
Because pm_runtime_get_suppliers() bumps up the rpm_active counter
of each device link to a supplier of the given device in addition
to bumping up the supplier's PM-runtime usage counter, a runtime
suspend of the consumer device may case the latter to go down to 0
when pm_runtime_put_suppliers() is running on a remote CPU. If that
happens after pm_runtime_put_suppliers() has released power.lock for
the consumer device, and a runtime resume of that device takes place
immediately after it, before pm_runtime_put() is called for the
supplier, that pm_runtime_put() call may cause the supplier to be
suspended even though the consumer is active.
To prevent that from happening, modify pm_runtime_get_suppliers() to
call pm_runtime_get_sync() for the given device's suppliers without
touching the rpm_active counters of the involved device links
Accordingly, modify pm_runtime_put_suppliers() to call pm_runtime_put()
for the given device's suppliers without looking at the rpm_active
counters of the device links at hand. [This is analogous to what
happened before commit 4c06c4e6cf ("driver core: Fix possible
supplier PM-usage counter imbalance").]
Since pm_runtime_get_suppliers() sets supplier_preactivated for each
device link where the supplier's PM-runtime usage counter has been
incremented and pm_runtime_put_suppliers() calls pm_runtime_put() for
the suppliers whose device links have supplier_preactivated set, the
PM-runtime usage counter is balanced for each supplier and this is
independent of the runtime suspend and resume of the consumer device.
However, in case a device link with DL_FLAG_PM_RUNTIME set is dropped
during the consumer device probe, so pm_runtime_get_suppliers() bumps
up the supplier's PM-runtime usage counter, but it cannot be dropped by
pm_runtime_put_suppliers(), make device_link_release_fn() take care of
that.
Fixes: 4c06c4e6cf ("driver core: Fix possible supplier PM-usage counter imbalance")
Reported-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
Instead of passing an extra bool argument to pm_runtime_release_supplier(),
make its callers take care of triggering a runtime-suspend of the
supplier device as needed.
No expected functional impact.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
If platform_device_add() fails, it no need to call platform_device_del(), split
platform_device_unregister() into platform_device_del/put(), so platform_device_put()
can be called separately.
Fixes: 8808a793f0 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220701074153.4021556-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
contiguous ptes (missed in a recent clean-up).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Restore TLB invalidation for the 'break-before-make' rule on
contiguous ptes (missed in a recent clean-up)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int()
and arch_get_random_long|int() callbacks as result of changes
in generic RNG code.
- Fix minor comment typos and spelling mistakes.
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Merge tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int() and
arch_get_random_long|int() callbacks as result of changes in generic
RNG code.
- Fix minor comment typos and spelling mistakes.
* tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: Fix spelling mistake
s390/sclp: Fix typo in comments
s390/archrandom: simplify back to earlier design and initialize earlier
s390/purgatory: remove duplicated build rule of kexec-purgatory.o
s390/purgatory: hard-code obj-y in Makefile
s390: remove unneeded 'select BUILD_BIN2C'
- Bugfixes:
- Allocate a fattr for _nfs4_discover_trunking()
- Fix module reference count leak in nfs4_run_state_manager()
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Merge tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
- Allocate a fattr for _nfs4_discover_trunking()
- Fix module reference count leak in nfs4_run_state_manager()
* tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4: Add an fattr allocation to _nfs4_discover_trunking()
NFS: restore module put when manager exits.
issue on the MDS side, but for now we are going with this one-liner
to avoid busy looping and potential soft lockups.
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Merge tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A ceph filesystem fix, marked for stable.
There appears to be a deeper issue on the MDS side, but for now we are
going with this one-liner to avoid busy looping and potential soft
lockups"
* tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client:
ceph: wait on async create before checking caps for syncfs
running the lvm2 testsuite's dm-raid tests. Includes changes to MD's
raid5.c given the dependency dm-raid has on the MD code.
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Merge tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Three fixes for invalid memory accesses discovered by using KASAN
while running the lvm2 testsuite's dm-raid tests. Includes changes to
MD's raid5.c given the dependency dm-raid has on the MD code"
* tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm raid: fix KASAN warning in raid5_add_disks
dm raid: fix KASAN warning in raid5_remove_disk
dm raid: fix accesses beyond end of raid member array
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Merge tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Two minor tweaks:
- While we still can, adjust the send/recv based flags to be in
->ioprio rather than in ->addr2. This is consistent with eg accept,
and also doesn't waste a full 64-bit field for flags (Pavel)
- 5.18-stable fix for re-importing provided buffers. Not much real
world relevance here as it'll only impact non-pollable files gone
async, which is more of a practical test case rather than something
that is used in the wild (Dylan)"
* tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
io_uring: fix provided buffer import
io_uring: keep sendrecv flags in ioprio
One simple driver fix for a dma overrun.
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 fix from James Bottomley:
"One simple driver fix for a dma overrun"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Limit max hw sectors for v3 HW
* Fix a compilation warning with some versions of gcc/sparse when
compiling the pata_cs5535 driver, from John.
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Merge tag 'ata-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fix from Damien Le Moal:
- Fix a compilation warning with some versions of gcc/sparse when
compiling the pata_cs5535 driver, from John.
* tag 'ata-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_cs5535: Fix W=1 warnings
Commit fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
removed TLB invalidation from get_clear_flush() [now get_clear_contig()]
on the basis that the core TLB invalidation code is aware of hugetlb
mappings backed by contiguous page-table entries and will cover the
correct virtual address range.
However, this change also resulted in the TLB invalidation being removed
from the "break" step in the break-before-make (BBM) sequence used
internally by huge_ptep_set_{access_flags,wrprotect}(), therefore
making the BBM sequence unsafe irrespective of later invalidation.
Although the architecture is desperately unclear about how exactly
contiguous ptes should be updated in a live page-table, restore TLB
invalidation to our BBM sequence under the assumption that BBM is the
right thing to be doing in the first place.
Fixes: fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220629095349.25748-1-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
- Initialize a spinlock in the stm32 reset code
- Add dt bindings to the clk maintainer filepattern
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Two small fixes
- Initialize a spinlock in the stm32 reset code
- Add dt bindings to the clk maintainer filepattern"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
MAINTAINERS: add include/dt-bindings/clock to COMMON CLK FRAMEWORK
clk: stm32: rcc_reset: Fix missing spin_lock_init()
An interrupt for a channel might be pending even after struct
dma_device::device_terminate_all has been called. In that case the
recently introduced warning message "restart cyclic channel..." triggers
and the channel will be restarted. This is not desired as the channel
has just been stopped. Only restart the channel when we still have a
descriptor set for it (which will be set to NULL in
sdma_terminate_all()).
Fixes: 5b215c28b9 ("dmaengine: imx-sdma: restart cyclic channel if needed")
Cc: stable@vger.kernel.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220617115042.4004062-1-s.hauer@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
KASAN reported the following use after free bug when running
generic/475:
XFS (dm-0): Mounting V5 Filesystem
XFS (dm-0): Starting recovery (logdev: internal)
XFS (dm-0): Ending recovery (logdev: internal)
Buffer I/O error on dev dm-0, logical block 20639616, async page read
Buffer I/O error on dev dm-0, logical block 20639617, async page read
XFS (dm-0): log I/O error -5
XFS (dm-0): Filesystem has been shut down due to log error (0x2).
XFS (dm-0): Unmounting Filesystem
XFS (dm-0): Please unmount the filesystem and rectify the problem(s).
==================================================================
BUG: KASAN: use-after-free in do_raw_spin_lock+0x246/0x270
Read of size 4 at addr ffff888109dd84c4 by task 3:1H/136
CPU: 3 PID: 136 Comm: 3:1H Not tainted 5.19.0-rc4-xfsx #rc4 8e53ab5ad0fddeb31cee5e7063ff9c361915a9c4
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
Workqueue: xfs-log/dm-0 xlog_ioend_work [xfs]
Call Trace:
<TASK>
dump_stack_lvl+0x34/0x44
print_report.cold+0x2b8/0x661
? do_raw_spin_lock+0x246/0x270
kasan_report+0xab/0x120
? do_raw_spin_lock+0x246/0x270
do_raw_spin_lock+0x246/0x270
? rwlock_bug.part.0+0x90/0x90
xlog_force_shutdown+0xf6/0x370 [xfs 4ad76ae0d6add7e8183a553e624c31e9ed567318]
xlog_ioend_work+0x100/0x190 [xfs 4ad76ae0d6add7e8183a553e624c31e9ed567318]
process_one_work+0x672/0x1040
worker_thread+0x59b/0xec0
? __kthread_parkme+0xc6/0x1f0
? process_one_work+0x1040/0x1040
? process_one_work+0x1040/0x1040
kthread+0x29e/0x340
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x1f/0x30
</TASK>
Allocated by task 154099:
kasan_save_stack+0x1e/0x40
__kasan_kmalloc+0x81/0xa0
kmem_alloc+0x8d/0x2e0 [xfs]
xlog_cil_init+0x1f/0x540 [xfs]
xlog_alloc_log+0xd1e/0x1260 [xfs]
xfs_log_mount+0xba/0x640 [xfs]
xfs_mountfs+0xf2b/0x1d00 [xfs]
xfs_fs_fill_super+0x10af/0x1910 [xfs]
get_tree_bdev+0x383/0x670
vfs_get_tree+0x7d/0x240
path_mount+0xdb7/0x1890
__x64_sys_mount+0x1fa/0x270
do_syscall_64+0x2b/0x80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Freed by task 154151:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_set_free_info+0x20/0x30
____kasan_slab_free+0x110/0x190
slab_free_freelist_hook+0xab/0x180
kfree+0xbc/0x310
xlog_dealloc_log+0x1b/0x2b0 [xfs]
xfs_unmountfs+0x119/0x200 [xfs]
xfs_fs_put_super+0x6e/0x2e0 [xfs]
generic_shutdown_super+0x12b/0x3a0
kill_block_super+0x95/0xd0
deactivate_locked_super+0x80/0x130
cleanup_mnt+0x329/0x4d0
task_work_run+0xc5/0x160
exit_to_user_mode_prepare+0xd4/0xe0
syscall_exit_to_user_mode+0x1d/0x40
entry_SYSCALL_64_after_hwframe+0x46/0xb0
This appears to be a race between the unmount process, which frees the
CIL and waits for in-flight iclog IO; and the iclog IO completion. When
generic/475 runs, it starts fsstress in the background, waits a few
seconds, and substitutes a dm-error device to simulate a disk falling
out of a machine. If the fsstress encounters EIO on a pure data write,
it will exit but the filesystem will still be online.
The next thing the test does is unmount the filesystem, which tries to
clean the log, free the CIL, and wait for iclog IO completion. If an
iclog was being written when the dm-error switch occurred, it can race
with log unmounting as follows:
Thread 1 Thread 2
xfs_log_unmount
xfs_log_clean
xfs_log_quiesce
xlog_ioend_work
<observe error>
xlog_force_shutdown
test_and_set_bit(XLOG_IOERROR)
xfs_log_force
<log is shut down, nop>
xfs_log_umount_write
<log is shut down, nop>
xlog_dealloc_log
xlog_cil_destroy
<wait for iclogs>
spin_lock(&log->l_cilp->xc_push_lock)
<KABOOM>
Therefore, free the CIL after waiting for the iclogs to complete. I
/think/ this race has existed for quite a few years now, though I don't
remember the ~2014 era logging code well enough to know if it was a real
threat then or if the actual race was exposed only more recently.
Fixes: ac983517ec ("xfs: don't sleep in xlog_cil_force_lsn on shutdown")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
The sparse tool complains as follows:
drivers/irqchip/irq-apple-aic.c:231:1: warning:
symbol 'use_fast_ipi' was not declared. Should it be static?
This symbol is not used outside of irq-apple-aic.c, so marks it static.
Fixes: 2cf6821166 ("irqchip/apple-aic: Add Fast IPI support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220618072824.562350-1-weiyongjun1@huawei.com
Commit b84dc7f0e3 ("irqchip/xilinx: Remove microblaze+zynq
dependency") relaxed the dependencies on the Xilinx interrupt controller
to be OF only, but some OF architectures (s390 for example) do not
support OF_ADDRESS and so a build of the driver will result in undefined
references to of_iomap/iounmap and friends.
Fixes: b84dc7f0e3 ("irqchip/xilinx: Remove microblaze+zynq dependency")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220630111008.3838307-1-jamie@jamieiles.com
- Fix the SDIO description for imx7d-smegw01 board to ensure there is
no communication made at 1.8V.
- Fix pgc_ispdwp power-domain clock, which should be
IMX8MP_CLK_MEDIA_ISP_ROOT.
- Re-enable framebuffer support in mxs_defconfig to fix a Kconfig
regression.
- A series from Peng Fan (and Sherry Sun) fixing various pads on i.MX8MP
based boards to leave reserved bits untouched.
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Merge tag 'imx-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.19, round 2:
- Fix the SDIO description for imx7d-smegw01 board to ensure there is
no communication made at 1.8V.
- Fix pgc_ispdwp power-domain clock, which should be
IMX8MP_CLK_MEDIA_ISP_ROOT.
- Re-enable framebuffer support in mxs_defconfig to fix a Kconfig
regression.
- A series from Peng Fan (and Sherry Sun) fixing various pads on i.MX8MP
based boards to leave reserved bits untouched.
* tag 'imx-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mp-icore-mx8mp-edim2.2: correct pad settings
arm64: dts: imx8mp-phyboard-pollux-rdk: correct i2c2 & mmc settings
arm64: dts: imx8mp-phyboard-pollux-rdk: correct eqos pad settings
arm64: dts: imx8mp-phyboard-pollux-rdk: correct uart pad settings
arm64: dts: imx8mp-venice-gw74xx: correct pad settings
arm64: dts: imx8mp-evk: correct I2C3 pad settings
arm64: dts: imx8mp-evk: correct I2C1 pad settings
arm64: dts: imx8mp-evk: correct I2C5 pad settings
arm64: dts: imx8mp-evk: correct vbus pad settings
arm64: dts: imx8mp-evk: correct eqos pad settings
arm64: dts: imx8mp-evk: correct vbus pad settings
arm64: dts: imx8mp-evk: correct gpio-led pad settings
arm64: dts: imx8mp-evk: correct the uart2 pinctl value
arm64: dts: imx8mp-evk: correct mmc pad settings
ARM: mxs_defconfig: Enable the framebuffer
arm64: dts: imx8mp: correct clock of pgc_ispdwp
ARM: dts: imx7d-smegw01: Fix the SDIO description
Link: https://lore.kernel.org/r/20220629021244.GL819983@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The kernel test robot found this inconsistency:
drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning:
'ixp4xx_npe_of_match' defined but not used [-Wunused-const-variable=]
737 | static const struct of_device_id ixp4xx_npe_of_match[] = {
This is because the match is enclosed in the of_match_ptr()
which compiles into NULL when OF is disabled and this
is unnecessary.
Fix it by dropping of_match_ptr() around the match.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220626074315.61209-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When the DMA is configured for more than 8 channels the bits controlling
suspend moves to another register. However when adding support for this
the new register would be completely overwritten in one case and
overwritten with values from the old register in another case.
Found by comparing the parallel implementation of more than 8 channel
support for the StarFive JH7100 SoC by Samin.
Fixes: 824351668a ("dmaengine: dw-axi-dmac: support DMAX_NUM_CHANNELS > 8")
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20220627090939.1775717-1-emil.renner.berthing@canonical.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Testing shown that when a wq mode is setup to be dedicated and then torn
down and reconfigured to shared, the wq configured end up being dedicated
anyays. The root cause is when idxd_device_wqs_clear_state() gets called
during idxd_driver removal, idxd_wq_disable_cleanup() does not get called
vs when the wq driver is removed first. The check of wq state being
"enabled" causes the cleanup to be bypassed. However, idxd_driver->remove()
releases all wq drivers. So the wqs goes to "disabled" state and will never
be "enabled". By that point, the driver has no idea if the wq was
previously configured or clean. So force call idxd_wq_disable_cleanup() on
all wqs always to make sure everything gets cleaned up.
Reported-by: Tony Zhu <tony.zhu@intel.com>
Tested-by: Tony Zhu <tony.zhu@intel.com>
Fixes: 0dcfe41e9a ("dmanegine: idxd: cleanup all device related bits after disabling device")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20220628230056.2527816-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit dbad41e7bb ("dmaengine: qcom: bam_dma: check if the runtime pm enabled")
caused unbalanced pm_runtime_get/put() calls when the bam is
controlled remotely. This commit reverts it and just enables pm_runtime
in all cases, the clk_* functions already just nop when the clock is NULL.
Also clean up a bit by removing unnecessary bamclk null checks.
Suggested-by: Stephan Gerhold <stephan@gerhold.net>
Fixes: dbad41e7bb ("dmaengine: qcom: bam_dma: check if the runtime pm enabled")
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20220629140559.118537-1-caleb.connolly@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-06-30
This series contains updates to i40e driver only.
Lukasz adds reporting of packets dropped for being too large into the Rx
dropped statistics.
Norbert clears VF filter and MAC address to resolve issue with older VFs
being unable to change their MAC address.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit in Fixes added the "NOLOAD" attribute to the .brk section as a
"failsafe" measure.
Unfortunately, this leads to the linker no longer covering the .brk
section in a program header, resulting in the kernel loader not knowing
that the memory for the .brk section must be reserved.
This has led to crashes when loading the kernel as PV dom0 under Xen,
but other scenarios could be hit by the same problem (e.g. in case an
uncompressed kernel is used and the initrd is placed directly behind
it).
So drop the "NOLOAD" attribute. This has been verified to correctly
cover the .brk section by a program header of the resulting ELF file.
Fixes: e32683c6f7 ("x86/mm: Fix RESERVE_BRK() for older binutils")
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20220630071441.28576-4-jgross@suse.com
The .brk section has the same properties as .bss: it is an alloc-only
section and should be cleared before being used.
Not doing so is especially a problem for Xen PV guests, as the
hypervisor will validate page tables (check for writable page tables
and hypervisor private bits) before accepting them to be used.
Make sure .brk is initially zero by letting clear_bss() clear the brk
area, too.
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220630071441.28576-3-jgross@suse.com
Instead of clearing the bss area in assembly code, use the clear_bss()
function.
This requires to pass the start_info address as parameter to
xen_start_kernel() in order to avoid the xen_start_info being zeroed
again.
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20220630071441.28576-2-jgross@suse.com
During the PV driver life cycle the mappings are added to
the RB-tree by set_foreign_p2m_mapping(), which is called from
gnttab_map_refs() and are removed by clear_foreign_p2m_mapping()
which is called from gnttab_unmap_refs(). As both functions end
up calling __set_phys_to_machine_multi() which updates the RB-tree,
this function can be called concurrently.
There is already a "p2m_lock" to protect against concurrent accesses,
but the problem is that the first read of "phys_to_mach.rb_node"
in __set_phys_to_machine_multi() is not covered by it, so this might
lead to the incorrect mappings update (removing in our case) in RB-tree.
In my environment the related issue happens rarely and only when
PV net backend is running, the xen_add_phys_to_mach_entry() claims
that it cannot add new pfn <-> mfn mapping to the tree since it is
already exists which results in a failure when mapping foreign pages.
But there might be other bad consequences related to the non-protected
root reads such use-after-free, etc.
While at it, also fix the similar usage in __pfn_to_mfn(), so
initialize "struct rb_node *n" with the "p2m_lock" held in both
functions to avoid possible bad consequences.
This is CVE-2022-33744 / XSA-406.
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
The commit referenced below moved the invocation past the "next" label,
without any explanation. In fact this allows misbehaving backends undue
control over the domain the frontend runs in, as earlier detected errors
require the skb to not be freed (it may be retained for later processing
via xennet_move_rx_slot(), or it may simply be unsafe to have it freed).
This is CVE-2022-33743 / XSA-405.
Fixes: 6c5aa6fc4d ("xen networking: add basic XDP support for xen-netfront")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Split the current bounce buffering logic used with persistent grants
into it's own option, and allow enabling it independently of
persistent grants. This allows to reuse the same code paths to
perform the bounce buffering required to avoid leaking contiguous data
in shared pages not part of the request fragments.
Reporting whether the backend is to be trusted can be done using a
module parameter, or from the xenstore frontend path as set by the
toolstack when adding the device.
This is CVE-2022-33742, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Bounce all data on the skbs to be transmitted into zeroed pages if the
backend is untrusted. This avoids leaking data present in the pages
shared with the backend but not part of the skb fragments. This
requires introducing a new helper in order to allocate skbs with a
size multiple of XEN_PAGE_SIZE so we don't leak contiguous data on the
granted pages.
Reporting whether the backend is to be trusted can be done using a
module parameter, or from the xenstore frontend path as set by the
toolstack when adding the device.
This is CVE-2022-33741, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
When allocating pages to be used for shared communication with the
backend always zero them, this avoids leaking unintended data present
on the pages.
This is CVE-2022-33740, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
hfa384x_usbctlx_completion_task() is bogusly using the reaper BH when
in fact this is the completion_bh. This was reflected when trying
to acquire the hw->ctlxq.lock and getting a failed lockdep class
initialized to it.
Fixes: 9442e81d7e ("staging/wlan-ng, prism2usb: replace completion_bh tasklet with work")
Reported-by: syzbot+ce3408364c4a234dd90c@syzkaller.appspotmail.com
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20220629165225.3436822-1-dave@stgolabs.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
rtsx_usb uses same buffer for command and response. There could
be a potential conflict using the same buffer for both especially
if retries and timeouts are involved.
Use separate command and response buffers to avoid conflicts.
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/07e3721804ff07aaab9ef5b39a5691d0718b9ade.1656642167.git.skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When allocating pages to be used for shared communication with the
backend always zero them, this avoids leaking unintended data present
on the pages.
This is CVE-2022-26365, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
As part of a recent cleanup commit, the pinctrl for a few uart and i2c
nodes was removed. Adjust the names and/or add it back and assign it to
the uart and i2c nodes.
Fixes: 1dfe967ec7 ("ARM: dts: qcom-msm8974*: Consolidate I2C/UART/SDHCI")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220606160421.1641778-1-luca@z3ntu.xyz
fbdev:
- sysfb fixes/conflicting fb fixes.
amdgpu:
- GPU recovery fix
- Fix integer type usage in fourcc header for AMD modifiers
- KFD TLB flush fix for gfx9 APUs
- Display fix
i915:
- Fix ioctl argument error return
- Fix d3cold disable to allow PCI upstream bridge D3 transition
- Fix setting cache_dirty for dma-buf objects on discrete
msm:
- Fix to increment vsync_cnt before calling drm_crtc_handle_vblank so that
userspace sees the value *after* it is incremented if waiting for vblank
events
- Fix to reset drm_dev to NULL in dp_display_unbind to avoid a crash in
probe/bind error paths
- Fix to resolve the smatch error of de-referencing before NULL check in
dpu_encoder_phys_wb.c
- Fix error return to userspace if fence-id allocation fails in submit
ioctl
vc4:
- NULL ptr dereference fix
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Merge tag 'drm-fixes-2022-07-01' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Bit quieter this week, the main thing is it pulls in the fixes for the
sysfb resource issue you were seeing. these had been queued for next
so should have had some decent testing.
Otherwise amdgpu, i915 and msm each have a few fixes, and vc4 has one.
fbdev:
- sysfb fixes/conflicting fb fixes
amdgpu:
- GPU recovery fix
- Fix integer type usage in fourcc header for AMD modifiers
- KFD TLB flush fix for gfx9 APUs
- Display fix
i915:
- Fix ioctl argument error return
- Fix d3cold disable to allow PCI upstream bridge D3 transition
- Fix setting cache_dirty for dma-buf objects on discrete
msm:
- Fix to increment vsync_cnt before calling drm_crtc_handle_vblank so
that userspace sees the value *after* it is incremented if waiting
for vblank events
- Fix to reset drm_dev to NULL in dp_display_unbind to avoid a crash
in probe/bind error paths
- Fix to resolve the smatch error of de-referencing before NULL check
in dpu_encoder_phys_wb.c
- Fix error return to userspace if fence-id allocation fails in
submit ioctl
vc4:
- NULL ptr dereference fix"
* tag 'drm-fixes-2022-07-01' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/amdgpu/display: set vblank_disable_immediate for DC"
drm/amdgpu: To flush tlb for MMHUB of RAVEN series
drm/fourcc: fix integer type usage in uapi header
drm/amdgpu: fix adev variable used in amdgpu_device_gpu_recover()
fbdev: Disable sysfb device registration when removing conflicting FBs
firmware: sysfb: Add sysfb_disable() helper function
firmware: sysfb: Make sysfb_create_simplefb() return a pdev pointer
drm/msm/gem: Fix error return on fence id alloc fail
drm/i915: tweak the ordering in cpu_write_needs_clflush
drm/i915/dgfx: Disable d3cold at gfx root port
drm/i915/gem: add missing else
drm/vc4: perfmon: Fix variable dereferenced before check
drm/msm/dpu: Fix variable dereferenced before check
drm/msm/dp: reset drm_dev to NULL at dp_display_unbind()
drm/msm/dpu: Increment vsync_cnt before waking up userspace
sysfb device behaviour when removing conflicting framebuffers
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Merge tag 'drm-misc-fixes-2022-06-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A NULL pointer dereference fix for vc4, and 3 patches to improve the
sysfb device behaviour when removing conflicting framebuffers
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630072404.2fa4z3nk5h5q34ci@houat
Current release - new code bugs:
- clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user()
- mptcp:
- invoke MP_FAIL response only when needed
- fix shutdown vs fallback race
- consistent map handling on failure
- octeon_ep: use bitwise AND
Previous releases - regressions:
- tipc: move bc link creation back to tipc_node_create, fix NPD
Previous releases - always broken:
- tcp: add a missing nf_reset_ct() in 3WHS handling, prevent socket
buffered skbs from keeping refcount on the conntrack module
- ipv6: take care of disable_policy when restoring routes
- tun: make sure to always disable and unlink NAPI instances
- phy: don't trigger state machine while in suspend
- netfilter: nf_tables: avoid skb access on nf_stolen
- asix: fix "can't send until first packet is send" issue
- usb: asix: do not force pause frames support
- nxp-nci: don't issue a zero length i2c_master_read()
Misc:
- ncsi: allow use of proper "mellanox" DT vendor prefix
- act_api: add a message for user space if any actions were already
flushed before the error was hit
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter.
Current release - new code bugs:
- clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user()
- mptcp:
- invoke MP_FAIL response only when needed
- fix shutdown vs fallback race
- consistent map handling on failure
- octeon_ep: use bitwise AND
Previous releases - regressions:
- tipc: move bc link creation back to tipc_node_create, fix NPD
Previous releases - always broken:
- tcp: add a missing nf_reset_ct() in 3WHS handling to prevent socket
buffered skbs from keeping refcount on the conntrack module
- ipv6: take care of disable_policy when restoring routes
- tun: make sure to always disable and unlink NAPI instances
- phy: don't trigger state machine while in suspend
- netfilter: nf_tables: avoid skb access on nf_stolen
- asix: fix "can't send until first packet is send" issue
- usb: asix: do not force pause frames support
- nxp-nci: don't issue a zero length i2c_master_read()
Misc:
- ncsi: allow use of proper "mellanox" DT vendor prefix
- act_api: add a message for user space if any actions were already
flushed before the error was hit"
* tag 'net-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
net: dsa: felix: fix race between reading PSFP stats and port stats
selftest: tun: add test for NAPI dismantle
net: tun: avoid disabling NAPI twice
net: sparx5: mdb add/del handle non-sparx5 devices
net: sfp: fix memory leak in sfp_probe()
mlxsw: spectrum_router: Fix rollback in tunnel next hop init
net: rose: fix UAF bugs caused by timer handler
net: usb: ax88179_178a: Fix packet receiving
net: bonding: fix use-after-free after 802.3ad slave unbind
ipv6: fix lockdep splat in in6_dump_addrs()
net: phy: ax88772a: fix lost pause advertisement configuration
net: phy: Don't trigger state machine while in suspend
usbnet: fix memory allocation in helpers
selftests net: fix kselftest net fatal error
NFC: nxp-nci: don't print header length mismatch on i2c error
NFC: nxp-nci: Don't issue a zero length i2c_master_read()
net: tipc: fix possible refcount leak in tipc_sk_create()
nfc: nfcmrvl: Fix irq_of_parse_and_map() return value
net: ipv6: unexport __init-annotated seg6_hmac_net_init()
ipv6/sit: fix ipip6_tunnel_get_prl return value
...
A regression has been reported by Nicolas Boichat, found while using the
copy_file_range syscall to copy a tracefs file.
Before commit 5dae222a5f ("vfs: allow copy_file_range to copy across
devices") the kernel would return -EXDEV to userspace when trying to
copy a file across different filesystems. After this commit, the
syscall doesn't fail anymore and instead returns zero (zero bytes
copied), as this file's content is generated on-the-fly and thus reports
a size of zero.
Another regression has been reported by He Zhe - the assertion of
WARN_ON_ONCE(ret == -EOPNOTSUPP) can be triggered from userspace when
copying from a sysfs file whose read operation may return -EOPNOTSUPP.
Since we do not have test coverage for copy_file_range() between any two
types of filesystems, the best way to avoid these sort of issues in the
future is for the kernel to be more picky about filesystems that are
allowed to do copy_file_range().
This patch restores some cross-filesystem copy restrictions that existed
prior to commit 5dae222a5f ("vfs: allow copy_file_range to copy across
devices"), namely, cross-sb copy is not allowed for filesystems that do
not implement ->copy_file_range().
Filesystems that do implement ->copy_file_range() have full control of
the result - if this method returns an error, the error is returned to
the user. Before this change this was only true for fs that did not
implement the ->remap_file_range() operation (i.e. nfsv3).
Filesystems that do not implement ->copy_file_range() still fall-back to
the generic_copy_file_range() implementation when the copy is within the
same sb. This helps the kernel can maintain a more consistent story
about which filesystems support copy_file_range().
nfsd and ksmbd servers are modified to fall-back to the
generic_copy_file_range() implementation in case vfs_copy_file_range()
fails with -EOPNOTSUPP or -EXDEV, which preserves behavior of
server-side-copy.
fall-back to generic_copy_file_range() is not implemented for the smb
operation FSCTL_DUPLICATE_EXTENTS_TO_FILE, which is arguably a correct
change of behavior.
Fixes: 5dae222a5f ("vfs: allow copy_file_range to copy across devices")
Link: https://lore.kernel.org/linux-fsdevel/20210212044405.4120619-1-drinkcat@chromium.org/
Link: https://lore.kernel.org/linux-fsdevel/CANMq1KDZuxir2LM5jOTm0xx+BnvW=ZmpsG47CyHFJwnw7zSX6Q@mail.gmail.com/
Link: https://lore.kernel.org/linux-fsdevel/20210126135012.1.If45b7cdc3ff707bc1efa17f5366057d60603c45f@changeid/
Link: https://lore.kernel.org/linux-fsdevel/20210630161320.29006-1-lhenriques@suse.de/
Reported-by: Nicolas Boichat <drinkcat@chromium.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Luis Henriques <lhenriques@suse.de>
Fixes: 64bf5ff58d ("vfs: no fallback for ->copy_file_range")
Link: https://lore.kernel.org/linux-fsdevel/20f17f64-88cb-4e80-07c1-85cb96c83619@windriver.com/
Reported-by: He Zhe <zhe.he@windriver.com>
Tested-by: Namjae Jeon <linkinjeon@kernel.org>
Tested-by: Luis Henriques <lhenriques@suse.de>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Looks like there are still cases when "space_left - frag1bytes" can
legitimately exceed PAGE_SIZE. Ensure that xdr->end always remains
within the current encode buffer.
Reported-by: Bruce Fields <bfields@fieldses.org>
Reported-by: Zorro Lang <zlang@redhat.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216151
Fixes: 6c254bf3b6 ("SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer()")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Commit f49169c97f ("NFSD: Remove svc_serv_ops::svo_module") removed
calls to module_put_and_kthread_exit() from threads that acted as SUNRPC
servers and had a related svc_serv_ops structure. This was correct.
It ALSO removed the module_put_and_kthread_exit() call from
nfs4_run_state_manager() which is NOT a SUNRPC service.
Consequently every time the NFSv4 state manager runs the module count
increments and won't be decremented. So the nfsv4 module cannot be
unloaded.
So restore the module_put_and_kthread_exit() call.
Fixes: f49169c97f ("NFSD: Remove svc_serv_ops::svo_module")
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Clear VF MAC from parent PF and remove VF filter from VSI when both
conditions are true:
-VIRTCHNL_VF_OFFLOAD_USO is not used
-VM MAC was not set from PF level
It affects older version of IAVF and it allow them to change MAC
Address on VM, newer IAVF won't change their behaviour.
Previously it wasn't possible to change VF's MAC Address on VM
because there is flag on IAVF driver that won't allow to
change MAC Address if this address is given from PF driver.
Fixes: 155f0ac2c9 ("iavf: allow permanent MAC address to change")
Signed-off-by: Norbert Zulinski <norbertx.zulinski@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Dropped packets caused by too large frames were not included in
dropped RX packets statistics.
Issue was caused by not reading the GL_RXERR1 register. That register
stores count of packet which was have been dropped due to too large
size.
Fix it by reading GL_RXERR1 register for each interface.
Repro steps:
Send a packet larger than the set MTU to SUT
Observe rx statists: ethtool -S <interface> | grep rx | grep -v ": 0"
Fixes: 41a9e55c89 ("i40e: add missing VSI statistics")
Signed-off-by: Lukasz Cieplicki <lukaszx.cieplicki@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
