mmc host drivers should have enabled the asynchronous probe option, but
it seems like we didn't set it for litex_mmc when introducing litex mmc
support, so let's set it now.
Tested with linux-on-litex-vexriscv on sipeed tang nano 20K fpga.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Gabriel Somlo <gsomlo@gmail.com>
Fixes: 92e0991047 ("mmc: Add driver for LiteX's LiteSDCard interface")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230617085319.2139-1-jszhang@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Merge tag 'mlx5-fixes-2023-06-16' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-fixes-2023-06-16
This series provides bug fixes to mlx5 driver.
Please pull and let me know if there is any problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case the QCA7000 is not available via SPI (e.g. in reset),
the driver will cause a high load. The reason for this is
that the synchronization is never finished and schedule()
is never called. Since the synchronization is not timing
critical, it's safe to drop this from the scheduling condition.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 291ab06ecf ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: David S. Miller <davem@davemloft.net>
Four fixes, all in drivers: three fairly obvious small ones and a
large one in aacraid to add block queue completion mapping and fix a
CPU offline hang.
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:
"Four fixes, all in drivers: three fairly obvious small ones and a
large one in aacraid to add block queue completion mapping and fix a
CPU offline hang"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: lpfc: Fix incorrect big endian type assignment in bsg loopback path
scsi: target: core: Fix error path in target_setup_session()
scsi: storvsc: Always set no_report_opcodes
scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity
- Avoid deadlocks on resume from sleep by delaying scsi rescan until
the scsi device is also fully resumed.
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Merge tag 'ata-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fix from Damien Le Moal:
- Avoid deadlocks on resume from sleep by delaying scsi rescan until
the scsi device is also fully resumed.
* tag 'ata-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-scsi: Avoid deadlock on rescan after device resume
- Drop redundant register definitions to fix build with latest binutils
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Merge tag 'parisc-for-6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fix from Helge Deller:
- Drop redundant register definitions to fix build with latest binutils
* tag 'parisc-for-6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Delete redundant register definitions in <asm/assembly.h>
If the core is left to remove the LEDs via devm_, it is performed too
late, after the PHY driver is removed from the PHY. This results in
dereferencing a NULL pointer when the LED core tries to turn the LED
off before destroying the LED.
Manually unregister the LEDs at a safe point in phy_remove.
Cc: stable@vger.kernel.org
Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Fixes: 01e5b728e9 ("net: phy: Add a binding for PHY LEDs")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error unrolling was leaving the VMAs detached in many cases and
leaving the locked_vm statistic altered, and skipping the unrolling
entirely in the case of the vma tree write failing.
Fix the error path by re-attaching the detached VMAs and adding the
necessary goto for the failed vma tree write, and fix the locked_vm
statistic by only updating after the vma tree write succeeds.
Fixes: 763ecb0350 ("mm: remove the vma linked list")
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The module loads firmware so add MODULE_FIRMWARE macros to provide that
information via modinfo.
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The module loads firmware so add a MODULE_FIRMWARE macro to provide that
information via modinfo.
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the case of fast device addition/removal, it's possible that
hv_eject_device_work() can start to run before create_root_hv_pci_bus()
starts to run; as a result, the pci_get_domain_bus_and_slot() in
hv_eject_device_work() can return a 'pdev' of NULL, and
hv_eject_device_work() can remove the 'hpdev', and immediately send a
message PCI_EJECTION_COMPLETE to the host, and the host immediately
unassigns the PCI device from the guest; meanwhile,
create_root_hv_pci_bus() and the PCI device driver can be probing the
dead PCI device and reporting timeout errors.
Fix the issue by adding a per-bus mutex 'state_lock' and grabbing the
mutex before powering on the PCI bus in hv_pci_enter_d0(): when
hv_eject_device_work() starts to run, it's able to find the 'pdev' and call
pci_stop_and_remove_bus_device(pdev): if the PCI device driver has
loaded, the PCI device driver's probe() function is already called in
create_root_hv_pci_bus() -> pci_bus_add_devices(), and now
hv_eject_device_work() -> pci_stop_and_remove_bus_device() is able
to call the PCI device driver's remove() function and remove the device
reliably; if the PCI device driver hasn't loaded yet, the function call
hv_eject_device_work() -> pci_stop_and_remove_bus_device() is able to
remove the PCI device reliably and the PCI device driver's probe()
function won't be called; if the PCI device driver's probe() is already
running (e.g., systemd-udev is loading the PCI device driver), it must
be holding the per-device lock, and after the probe() finishes and releases
the lock, hv_eject_device_work() -> pci_stop_and_remove_bus_device() is
able to proceed to remove the device reliably.
Fixes: 4daace0d8c ("PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-6-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This reverts commit d6af2ed29c.
The statement "the hv_pci_bus_exit() call releases structures of all its
child devices" in commit d6af2ed29c is not true: in the path
hv_pci_probe() -> hv_pci_enter_d0() -> hv_pci_bus_exit(hdev, true): the
parameter "keep_devs" is true, so hv_pci_bus_exit() does *not* release the
child "struct hv_pci_dev *hpdev" that is created earlier in
pci_devices_present_work() -> new_pcichild_device().
The commit d6af2ed29c was originally made in July 2020 for RHEL 7.7,
where the old version of hv_pci_bus_exit() was used; when the commit was
rebased and merged into the upstream, people didn't notice that it's
not really necessary. The commit itself doesn't cause any issue, but it
makes hv_pci_probe() more complicated. Revert it to facilitate some
upcoming changes to hv_pci_probe().
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Wei Hu <weh@microsoft.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-5-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
The hpdev->state is never really useful. The only use in
hv_pci_eject_device() and hv_eject_device_work() is not really necessary.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-4-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
When the host tries to remove a PCI device, the host first sends a
PCI_EJECT message to the guest, and the guest is supposed to gracefully
remove the PCI device and send a PCI_EJECTION_COMPLETE message to the host;
the host then sends a VMBus message CHANNELMSG_RESCIND_CHANNELOFFER to
the guest (when the guest receives this message, the device is already
unassigned from the guest) and the guest can do some final cleanup work;
if the guest fails to respond to the PCI_EJECT message within one minute,
the host sends the VMBus message CHANNELMSG_RESCIND_CHANNELOFFER and
removes the PCI device forcibly.
In the case of fast device addition/removal, it's possible that the PCI
device driver is still configuring MSI-X interrupts when the guest receives
the PCI_EJECT message; the channel callback calls hv_pci_eject_device(),
which sets hpdev->state to hv_pcichild_ejecting, and schedules a work
hv_eject_device_work(); if the PCI device driver is calling
pci_alloc_irq_vectors() -> ... -> hv_compose_msi_msg(), we can break the
while loop in hv_compose_msi_msg() due to the updated hpdev->state, and
leave data->chip_data with its default value of NULL; later, when the PCI
device driver calls request_irq() -> ... -> hv_irq_unmask(), the guest
crashes in hv_arch_irq_unmask() due to data->chip_data being NULL.
Fix the issue by not testing hpdev->state in the while loop: when the
guest receives PCI_EJECT, the device is still assigned to the guest, and
the guest has one minute to finish the device removal gracefully. We don't
really need to (and we should not) test hpdev->state in the loop.
Fixes: de0aa7b2f9 ("PCI: hv: Fix 2 hang issues in hv_compose_msi_msg()")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-3-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Since day 1 of the driver, there has been a race between
hv_pci_query_relations() and survey_child_resources(): during fast
device hotplug, hv_pci_query_relations() may error out due to
device-remove and the stack variable 'comp' is no longer valid;
however, pci_devices_present_work() -> survey_child_resources() ->
complete() may be running on another CPU and accessing the no-longer-valid
'comp'. Fix the race by flushing the workqueue before we exit from
hv_pci_query_relations().
Fixes: 4daace0d8c ("PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-2-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
When an ATA port is resumed from sleep, the port is reset and a power
management request issued to libata EH to reset the port and rescanning
the device(s) attached to the port. Device rescanning is done by
scheduling an ata_scsi_dev_rescan() work, which will execute
scsi_rescan_device().
However, scsi_rescan_device() takes the generic device lock, which is
also taken by dpm_resume() when the SCSI device is resumed as well. If
a device rescan execution starts before the completion of the SCSI
device resume, the rcu locking used to refresh the cached VPD pages of
the device, combined with the generic device locking from
scsi_rescan_device() and from dpm_resume() can cause a deadlock.
Avoid this situation by changing struct ata_port scsi_rescan_task to be
a delayed work instead of a simple work_struct. ata_scsi_dev_rescan() is
modified to check if the SCSI device associated with the ATA device that
must be rescanned is not suspended. If the SCSI device is still
suspended, ata_scsi_dev_rescan() returns early and reschedule itself for
execution after an arbitrary delay of 5ms.
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reported-by: Joe Breuer <linux-kernel@jmbreuer.net>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217530
Fixes: a19a93e4c6 ("scsi: core: pm: Rely on the device driver core for async power management")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Joe Breuer <linux-kernel@jmbreuer.net>
We selectively grab the ctx->uring_lock for poll update/removal, but
we really should grab it from the start to fully synchronize with
linked timeouts. Normally this is indeed the case, but if requests
are forced async by the application, we don't fully cover removal
and timer disarm within the uring_lock.
Make this simpler by having consistent locking state for poll removal.
Cc: stable@vger.kernel.org # 6.1+
Reported-by: Querijn Voet <querijnqyn@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
State CPUHP_AP_HYPERV_ONLINE has been introduced to correctly sequence the
initialization of hyperv_pcpu_input_arg. Use this new state for Hyper-V
initialization so that hyperv_pcpu_input_arg is allocated early enough.
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/1684862062-51576-2-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
These commits
a494aef23d ("PCI: hv: Replace retarget_msi_interrupt_params with hyperv_pcpu_input_arg")
2c6ba42168 ("PCI: hv: Enable PCI pass-thru devices in Confidential VMs")
update the Hyper-V virtual PCI driver to use the hyperv_pcpu_input_arg
because that memory will be correctly marked as decrypted or encrypted
for all VM types (CoCo or normal). But problems ensue when CPUs in the
VM go online or offline after virtual PCI devices have been configured.
When a CPU is brought online, the hyperv_pcpu_input_arg for that CPU is
initialized by hv_cpu_init() running under state CPUHP_AP_ONLINE_DYN.
But this state occurs after state CPUHP_AP_IRQ_AFFINITY_ONLINE, which
may call the virtual PCI driver and fault trying to use the as yet
uninitialized hyperv_pcpu_input_arg. A similar problem occurs in a CoCo
VM if the MMIO read and write hypercalls are used from state
CPUHP_AP_IRQ_AFFINITY_ONLINE.
When a CPU is taken offline, IRQs may be reassigned in state
CPUHP_TEARDOWN_CPU. Again, the virtual PCI driver may fault trying to
use the hyperv_pcpu_input_arg that has already been freed by a
higher state.
Fix the onlining problem by adding state CPUHP_AP_HYPERV_ONLINE
immediately after CPUHP_AP_ONLINE_IDLE (similar to CPUHP_AP_KVM_ONLINE)
and before CPUHP_AP_IRQ_AFFINITY_ONLINE. Use this new state for
Hyper-V initialization so that hyperv_pcpu_input_arg is allocated
early enough.
Fix the offlining problem by not freeing hyperv_pcpu_input_arg when
a CPU goes offline. Retain the allocated memory, and reuse it if
the CPU comes back online later.
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/1684862062-51576-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Here is a single staging driver "fix" for 6.4-rc7. I've been sitting on
it in my tree for many weeks as it is just a simple documentation
update, with the hope that maybe some other staging driver fixes would
need to be merged for 6.4-final, but that does not seem to be the case.
So please, pull in this one documentation update so that Aaro doesn't
get emails going forward that he can't do anything about.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver "fix" for 6.4-rc7. I've been sitting
on it in my tree for many weeks as it is just a simple documentation
update, with the hope that maybe some other staging driver fixes would
need to be merged for 6.4-final, but that does not seem to be the
case.
So please, pull in this one documentation update so that Aaro doesn't
get emails going forward that he can't do anything about"
* tag 'staging-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: octeon: delete my name from TODO contact
Here are some small USB and Thunderbolt driver fixes and new device ids
for 6.4-rc7 to resolve some reported problems. Included in here are:
- new USB serial device ids
- USB gadget core fixes for long-dissussed problems
- dwc3 bugfixes for reported issues.
- typec driver fixes
- thunderbolt driver fixes
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes and new device
ids for 6.4-rc7 to resolve some reported problems. Included in here
are:
- new USB serial device ids
- USB gadget core fixes for long-dissussed problems
- dwc3 bugfixes for reported issues.
- typec driver fixes
- thunderbolt driver fixes
All of these have been in linux-next this week with no reported issues"
* tag 'usb-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: udc: core: Prevent soft_connect_store() race
usb: gadget: udc: core: Offload usb_udc_vbus_handler processing
usb: typec: Fix fast_role_swap_current show function
usb: typec: ucsi: Fix command cancellation
USB: dwc3: fix use-after-free on core driver unbind
USB: dwc3: qcom: fix NULL-deref on suspend
usb: dwc3: gadget: Reset num TRBs before giving back the request
usb: gadget: udc: renesas_usb3: Fix RZ/V2M {modprobe,bind} error
USB: serial: option: add Quectel EM061KGL series
thunderbolt: Mask ring interrupt on Intel hardware as well
thunderbolt: Do not touch CL state configuration during discovery
thunderbolt: Increase DisplayPort Connection Manager handshake timeout
thunderbolt: dma_test: Use correct value for absent rings when creating paths
Here are two small serial driver fixes for 6.4-rc7 that resolve some
reported problems:
- lantiq serial driver irq fix
- fsl_lpuart serial driver watermark fix
Both of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are two small serial driver fixes for 6.4-rc7 that resolve some
reported problems:
- lantiq serial driver irq fix
- fsl_lpuart serial driver watermark fix
Both of these have been in linux-next this week with no reported issues"
* tag 'tty-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fsl_lpuart: reduce RX watermark to 0 on LS1028A
serial: lantiq: add missing interrupt ack
When running workloads heavy unbalanced towards TX (high TX, low RX
traffic), sfc driver can retain the CPU during too long times. Although
in many cases this is not enough to be visible, it can affect
performance and system responsiveness.
A way to reproduce it is to use a debug kernel and run some parallel
netperf TX tests. In some systems, this will lead to this message being
logged:
kernel:watchdog: BUG: soft lockup - CPU#12 stuck for 22s!
The reason is that sfc driver doesn't account any NAPI budget for the TX
completion events work. With high-TX/low-RX traffic, this makes that the
CPU is held for long time for NAPI poll.
Documentations says "drivers can process completions for any number of Tx
packets but should only process up to budget number of Rx packets".
However, many drivers do limit the amount of TX completions that they
process in a single NAPI poll.
In the same way, this patch adds a limit for the TX work in sfc. With
the patch applied, the watchdog warning never appears.
Tested with netperf in different combinations: single process / parallel
processes, TCP / UDP and different sizes of UDP messages. Repeated the
tests before and after the patch, without any noticeable difference in
network or CPU performance.
Test hardware:
Intel(R) Xeon(R) CPU E5-1620 v4 @ 3.50GHz (4 cores, 2 threads/core)
Solarflare Communications XtremeScale X2522-25G Network Adapter
Fixes: 5227ecccea ("sfc: remove tx and MCDI handling from NAPI budget consideration")
Fixes: d19a537218 ("sfc_ef100: TX path for EF100 NICs")
Reported-by: Fei Liu <feliu@redhat.com>
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20230615084929.10506-1-ihuguet@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We define sp and ipsw in <asm/asmregs.h> using ".reg", and when using
current binutils (snapshot 2.40.50.20230611) the definitions in
<asm/assembly.h> using "=" conflict with those:
arch/parisc/include/asm/assembly.h: Assembler messages:
arch/parisc/include/asm/assembly.h:93: Error: symbol `sp' is already defined
arch/parisc/include/asm/assembly.h:95: Error: symbol `ipsw' is already defined
Delete the duplicate definitions in <asm/assembly.h>.
Also delete the definition of gp, which isn't used anywhere.
Signed-off-by: Ben Hutchings <benh@debian.org>
Cc: stable@vger.kernel.org # v6.0+
Signed-off-by: Helge Deller <deller@gmx.de>
- Fix an OOB issue in the Mediatek mt8365 driver where arrays of clks
are mismatched in size
- Use the proper clk_ops for a few clks in the Mediatek mt8365 driver
- Stop using abs() in clk_composite_determine_rate() because 64-bit
math goes wrong on large unsigned long numbers that are subtracted
and passed into abs()
- Zero initialize a struct clk_init_data in clk-loongson2 to avoid
stack junk confusing clk_hw_register()
- Actually use a pointer to __iomem for writel() in
pxa3xx_clk_update_accr() so we don't oops
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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:
"A handful of clk driver fixes:
- Fix an OOB issue in the Mediatek mt8365 driver where arrays of clks
are mismatched in size
- Use the proper clk_ops for a few clks in the Mediatek mt8365 driver
- Stop using abs() in clk_composite_determine_rate() because 64-bit
math goes wrong on large unsigned long numbers that are subtracted
and passed into abs()
- Zero initialize a struct clk_init_data in clk-loongson2 to avoid
stack junk confusing clk_hw_register()
- Actually use a pointer to __iomem for writel() in
pxa3xx_clk_update_accr() so we don't oops"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: pxa: fix NULL pointer dereference in pxa3xx_clk_update_accr
clk: clk-loongson2: Zero init clk_init_data
clk: mediatek: mt8365: Fix inverted topclk operations
clk: composite: Fix handling of high clock rates
clk: mediatek: mt8365: Fix index issue
This patch validate session id and tree id in compound request.
If first operation in the compound is SMB2 ECHO request, ksmbd bypass
session and tree validation. So work->sess and work->tcon could be NULL.
If secound request in the compound access work->sess or tcon, It cause
NULL pointer dereferecing error.
Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-21165
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If
->NextCommand is bigger than Offset + Length of smb2 write, It will
allow oversized smb2 write length. It will cause OOB read in smb2_write.
Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-21164
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
ksmbd is doing write access using vfs helpers. There are the cases that
mnt_want_write() is not called in vfs helper. This patch add missing
mnt_want_write() to ksmbd vfs functions.
Cc: stable@vger.kernel.org
Cc: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
amdgpu:
- GFX9 preemption fixes
- Add missing radeon secondary PCI ID
- vblflash fixes
- SMU 13 fix
- VCN 4.0 fix
- Re-enable TOPDOWN flag for large BAR systems to fix regression
- eDP fix
- PSR hang fix
- DPIA fix
radeon:
- fbdev client warning fix
qaic:
- leak fix
- null ptr deref fix
nouveau:
- use-after-free caused by fence race fix
- runtime pm fix
- NULL ptr checks
bridge:
- ti-sn65dsi86: Avoid possible buffer overflow
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Merge tag 'drm-fixes-2023-06-17' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"A bunch of misc fixes across the board.
amdgpu is the usual bulk with a revert and other fixes, nouveau has a
race fix that was causing a UAF that was hard hanging systems,
otherwise some qaic, bridge and radeon.
amdgpu:
- GFX9 preemption fixes
- Add missing radeon secondary PCI ID
- vblflash fixes
- SMU 13 fix
- VCN 4.0 fix
- Re-enable TOPDOWN flag for large BAR systems to fix regression
- eDP fix
- PSR hang fix
- DPIA fix
radeon:
- fbdev client warning fix
qaic:
- leak fix
- null ptr deref fix
nouveau:
- use-after-free caused by fence race fix
- runtime pm fix
- NULL ptr checks
bridge:
- ti-sn65dsi86: Avoid possible buffer overflow"
* tag 'drm-fixes-2023-06-17' of git://anongit.freedesktop.org/drm/drm: (21 commits)
nouveau: fix client work fence deletion race
drm/amd/display: limit DPIA link rate to HBR3
drm/amd/display: fix the system hang while disable PSR
drm/amd/display: edp do not add non-edid timings
Revert "drm/amdgpu: remove TOPDOWN flags when allocating VRAM in large bar system"
drm/amdgpu: vcn_4_0 set instance 0 init sched score to 1
drm/radeon: Disable outputs when releasing fbdev client
drm/amd/pm: workaround for compute workload type on some skus
drm/amd: Tighten permissions on VBIOS flashing attributes
drm/amd: Make sure image is written to trigger VBIOS image update flow
drm/amdgpu: add missing radeon secondary PCI ID
drm/amdgpu: Implement gfx9 patch functions for resubmission
drm/amdgpu: Modify indirect buffer packages for resubmission
drm/amdgpu: Program gds backup address as zero if no gds allocated
drm/nouveau: add nv_encoder pointer check for NULL
drm/amdgpu: Reset CP_VMID_PREEMPT after trailing fence signaled
drm/nouveau/dp: check for NULL nv_connector->native_mode
drm/bridge: ti-sn65dsi86: Avoid possible buffer overflow
drm/nouveau: don't detect DSM for non-NVIDIA device
accel/qaic: Fix NULL pointer deref in qaic_destroy_drm_device()
...
In the same spirit as commit ca57f02295 ("afs: Fix fileserver probe
RTT handling"), don't rule out using a vlserver just because there
haven't been enough packets yet to calculate a real rtt. Always set the
server's probe rtt from the estimate provided by rxrpc_kernel_get_srtt,
which is capped at 1 second.
This could lead to EDESTADDRREQ errors when accessing a cell for the
first time, even though the vl servers are known and have responded to a
probe.
Fixes: 1d4adfaf65 ("rxrpc: Make rxrpc_kernel_get_srtt() indicate validity")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-afs@lists.infradead.org
Link: http://lists.infradead.org/pipermail/linux-afs/2023-June/006746.html
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
usb regulator on rock64 and PCIe register mappings on rk356x.
Also some missing cache properties.
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Merge tag 'v6.4-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Fixes for the reset pin on nanopi r5c, a reset line on SOQuartz, a duplicate
usb regulator on rock64 and PCIe register mappings on rk356x.
Also some missing cache properties.
* tag 'v6.4-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix rk356x PCIe register and range mappings
arm64: dts: rockchip: fix button reset pin for nanopi r5c
arm64: dts: rockchip: fix nEXTRST on SOQuartz
arm64: dts: rockchip: add missing cache properties
arm64: dts: rockchip: fix USB regulator on ROCK64
Link: https://lore.kernel.org/r/2885657.e9J7NaK4W3@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
strlcpy() reads the entire source buffer first.
This read may exceed the destination size limit.
This is both inefficient and can lead to linear read
overflows if a source string is not NUL-terminated [1].
In an effort to remove strlcpy() completely [2], replace
strlcpy() here with strscpy().
Direct replacement is safe here since the return values
from the helper macros are ignored by the callers.
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
[2] https://github.com/KSPP/linux/issues/89
Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230613003326.3538391-1-azeemshaikh38@gmail.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
drm-misc-fixes maybe in time for v6.4-rc7:
- qaic leak and null deref fix.
- Fix runtime pm in nouveau.
- Fix array overflow in ti-sn65dsi86 pwm chip handling.
- Assorted null check fixes in nouveau.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <dev@lankhorst.se>
Link: https://patchwork.freedesktop.org/patch/msgid/641eb8a8-fbd7-90ad-0805-310b7fec9344@lankhorst.se
ASO query can be scheduled in atomic context as such it can't use usleep.
Use udelay as recommended in Documentation/timers/timers-howto.rst.
Fixes: 76e463f650 ("net/mlx5e: Overcome slow response for first IPsec ASO WQE")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
XFRM state which is changed to be XFRM_STATE_EXPIRED doesn't really
need to hold lock while modifying flow steering rules to drop traffic.
That state can be deleted only and as such mlx5e_ipsec_handle_tx_limit()
work will be canceled anyway and won't run in parallel.
Fixes: b2f7b01d36 ("net/mlx5e: Simulate missing IPsec TX limits hardware functionality")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When TUNNEL_L3_TO_L2 decap action was created, a pointer to a local
variable was passed as its HW action data, resulting in attempt to
free invalid address:
BUG: KASAN: invalid-free in mlx5dr_action_destroy+0x318/0x410 [mlx5_core]
Fixes: 4781df92f4 ("net/mlx5: DR, Move STEv0 modify header logic")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
In some cases, steering might need to use SW-created action in
FW table, which results in wrong packet reformat being used:
mlx5_core 0000:81:00.1: mlx5_cmd_check:756:(pid 1154):
SET_FLOW_TABLE_ENTRY(0×936) op_mod(0×0) failed,
status bad resource(0×5), syndrome (0xf2ff71)
This patch adds support for usage of SW-created packet reformat (encap)
actions in FW tables, and adds clear error flow for attempt to use
SW-created modify header on FW tables.
Fixes: 6a48faeeca ("net/mlx5: Add direct rule fs_cmd implementation")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit removes special handling of CT action. But it
removes too much. Pre ct/ct_nat tables and some other resources
are not destroyed due to the cited commit.
Fix it by adding it back.
Fixes: 08fe94ec5f ("net/mlx5e: TC, Remove special handling of CT action")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commits add hardware miss support to tc action. But if
the rules can't be offloaded, the pointers are null and system
will panic when accessing them.
Fix it by checking null pointer.
Fixes: 08fe94ec5f ("net/mlx5e: TC, Remove special handling of CT action")
Fixes: 6702782845 ("net/mlx5e: TC, Set CT miss to the specific ct action instance")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When a PCI device has just one msix vector available, we want to share
this vector between async and completion events. Current code fails to
do that assuming it will always have at least one dedicated vector for
completion events. Fix this by detecting when the pool contains just a
single vector.
Fixes: 3354822cde ("net/mlx5: Use dynamic msix vectors allocation")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit missed setting napi_id on XSK RQs, it only affected
regular RQs. Add the missing part to support socket busy polling on XSK
RQs.
Fixes: a2740f529d ("net/mlx5e: xsk: Set napi_id to support busy polling")
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commits missed passing frag_size to __xdp_rxq_info_reg, which
is required by bpf_xdp_adjust_tail to support growing the tail pointer
in fragmented packets. Pass the missing parameter when the current RQ
mode allows XDP multi buffer.
Fixes: ea5d49bdae ("net/mlx5e: Add XDP multi buffer support to the non-linear legacy RQ")
Fixes: 9cb9482ef1 ("net/mlx5e: Use fragments of the same size in non-linear legacy RQ with XDP")
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Cc: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Merge tag 'for-6.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Two fixes for NOCOW files, a regression fix in scrub and an assertion
fix:
- NOCOW fixes:
- keep length of iomap direct io request in case of a failure
- properly pass mode of extent reference checking, this can break
some cases for swapfile
- fix error value confusion when scrubbing a stripe
- convert assertion to a proper error handling when loading global
roots, reported by syzbot"
* tag 'for-6.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: scrub: fix a return value overwrite in scrub_stripe()
btrfs: do not ASSERT() on duplicated global roots
btrfs: can_nocow_file_extent should pass down args->strict from callers
btrfs: fix iomap_begin length for nocow writes
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Merge tag 'io_uring-6.4-2023-06-15' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"A fix for sendmsg with CMSG, and the followup fix discussed for
avoiding touching task->worker_private after the worker has started
exiting"
* tag 'io_uring-6.4-2023-06-15' of git://git.kernel.dk/linux:
io_uring/io-wq: clear current->worker_private on exit
io_uring/net: save msghdr->msg_control for retries
