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This reverts commit d6af2ed29c7c1c311b96dac989dcb991e90ee195.
The statement "the hv_pci_bus_exit() call releases structures of all its
child devices" in commit d6af2ed29c7c 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The commit d6af2ed29c7c was originally made in July 2020 for RHEL 7.7,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: de0aa7b2f97d ("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: 4daace0d8ce8 ("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: a19a93e4c6a9 ("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
a494aef23dfc ("PCI: hv: Replace retarget_msi_interrupt_params with hyperv_pcpu_input_arg")
2c6ba4216844 ("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
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 ca57f02295f1 ("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: 1d4adfaf6574 ("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>
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
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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
Just a few small fixes. The only change to the core code is for a
minor race in ALSA OSS sequencer, and the rest are all device-specific
fixes (regression fixes and a usual quirk).
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Merge tag 'sound-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few small fixes. The only change to the core code is for a
minor race in ALSA OSS sequencer, and the rest are all device-specific
fixes (regression fixes and a usual quirk)"
* tag 'sound-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Add quirk flag for HEM devices to enable native DSD playback
ALSA: usb-audio: Fix broken resume due to UAC3 power state
ALSA: seq: oss: Fix racy open/close of MIDI devices
ASoC: tegra: Fix Master Volume Control
ALSA: hda/realtek: Add a quirk for Compaq N14JP6
firmware: cs_dsp: Log correct region name in bin error messages
The tick period is aligned very early while the first clock_event_device is
registered. At that point the system runs in periodic mode and switches
later to one-shot mode if possible.
The next wake-up event is programmed based on the aligned value
(tick_next_period) but the delta value, that is used to program the
clock_event_device, is computed based on ktime_get().
With the subtracted offset, the device fires earlier than the exact time
frame. With a large enough offset the system programs the timer for the
next wake-up and the remaining time left is too small to make any boot
progress. The system hangs.
Move the alignment later to the setup of tick_sched timer. At this point
the system switches to oneshot mode and a high resolution clocksource is
available. At this point it is safe to align tick_next_period because
ktime_get() will now return accurate (not jiffies based) time.
[bigeasy: Patch description + testing].
Fixes: e9523a0d81899 ("tick/common: Align tick period with the HZ tick.")
Reported-by: Mathias Krause <minipli@grsecurity.net>
Reported-by: "Bhatnagar, Rishabh" <risbhat@amazon.com>
Suggested-by: Mathias Krause <minipli@grsecurity.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Tested-by: Mathias Krause <minipli@grsecurity.net>
Acked-by: SeongJae Park <sj@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/5a56290d-806e-b9a5-f37c-f21958b5a8c0@grsecurity.net
Link: https://lore.kernel.org/12c6f9a3-d087-b824-0d05-0d18c9bc1bf3@amazon.com
Link: https://lore.kernel.org/r/20230615091830.RxMV2xf_@linutronix.de
This commit fixes a spinlock-initialization regression in SRCU that causes
the SRCU notifier to fail. The fix simply adds the initialization,
but introduces a #ifdef because there is no spinlock to initialize for
the Tiny SRCU used in !SMP builds.
Yes, it would be nice to abstract this somehow in order to hide it in
SRCU, but I still don't see a good way of doing this.
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Merge tag 'urgent-rcu.2023.06.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU fix from Paul McKenney:
"This fixes a spinlock-initialization regression in SRCU that causes
the SRCU notifier to fail.
The fix simply adds the initialization, but introduces a #ifdef
because there is no spinlock to initialize for the Tiny SRCU used in
!SMP builds.
Yes, it would be nice to abstract this somehow in order to hide it in
SRCU, but I still don't see a good way of doing this"
* tag 'urgent-rcu.2023.06.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
notifier: Initialize new struct srcu_usage field
* A documentation patch describing how we use patchwork.
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Merge tag 'riscv-for-linus-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fix from Palmer Dabbelt:
- A documentation patch describing how we use patchwork
* tag 'riscv-for-linus-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Documentation: RISC-V: patch-acceptance: mention patchwork's role
A couple more fixes for v6.4, one fixing a misleading error log and
another stopping us seeing spurious failures setting the master volume
on some Tegra systems introduced by a change to how we calculate delay
times.
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Merge tag 'asoc-fix-v6.4-rc6-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.4
A couple more fixes for v6.4, one fixing a misleading error log and
another stopping us seeing spurious failures setting the master volume
on some Tegra systems introduced by a change to how we calculate delay
times.
This commit adds new DEVICE_FLG with QUIRK_FLAG_DSD_RAW and Vendor Id for
HEM devices which supports native DSD. Prior to this change Linux kernel
was not enabling native DSD playback for HEM devices, and as a result,
DSD audio was being converted to PCM "on the fly". HEM devices,
when connected to the system, would only play audio in PCM format,
even if the source material was in DSD format. With the addition of new
VENDOR_FLG in the quircks.c file, the devices are now correctly
recognized, and raw DSD data is transmitted to the device,
allowing for native DSD playback.
Signed-off-by: Lukasz Tyl <ltyl@hem-e.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230614122524.30271-1-ltyl@hem-e.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
As reported in the bugzilla below, the PM resume of a UAC3 device may
fail due to the incomplete power state change, stuck at D1. The
reason is that the driver expects the full D0 power state change only
at hw_params, while the normal PCM resume procedure doesn't call
hw_params.
For fixing the bug, we add the same power state update to D0 at the
prepare callback, which is certainly called by the resume procedure.
Note that, with this change, the power state change in the hw_params
becomes almost redundant, since snd_usb_hw_params() doesn't touch the
parameters (at least it tires so). But dropping it is still a bit
risky (e.g. we have the media-driver binding), so I leave the D0 power
state change in snd_usb_hw_params() as is for now.
Fixes: a0a4959eb4e9 ("ALSA: usb-audio: Operate UAC3 Power Domains in PCM callbacks")
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217539
Link: https://lore.kernel.org/r/20230612132818.29486-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Selftests excluded - we have 58 patches and diff of +442/-199,
which isn't really small but perhaps with the exception of
the WiFi locking change it's old(ish) bugs.
We have no known problems with v6.4.
The selftest changes are rather large as MPTCP folks try to apply
Greg's guidance that selftest from torvalds/linux should be able
to run against stable kernels.
Last thing I should call out is the DCCP/UDP-lite deprecation notices,
we are fairly sure those are dead, but if we're wrong reverting them
back in won't be fun.
Current release - regressions:
- wifi:
- cfg80211: fix double lock bug in reg_wdev_chan_valid()
- iwlwifi: mvm: spin_lock_bh() to fix lockdep regression
Current release - new code bugs:
- handshake: remove fput() that causes use-after-free
Previous releases - regressions:
- sched: cls_u32: fix reference counter leak leading to overflow
- sched: cls_api: fix lockup on flushing explicitly created chain
Previous releases - always broken:
- nf_tables: integrate pipapo into commit protocol
- nf_tables: incorrect error path handling with NFT_MSG_NEWRULE,
fix dangling pointer on failure
- ping6: fix send to link-local addresses with VRF
- sched: act_pedit: parse L3 header for L4 offset, the skb may
not have the offset saved
- sched: act_ct: fix promotion of offloaded unreplied tuple
- sched: refuse to destroy an ingress and clsact Qdiscs if there
are lockless change operations in flight
- wifi: mac80211: fix handful of bugs in multi-link operation
- ipvlan: fix bound dev checking for IPv6 l3s mode
- eth: enetc: correct the indexes of highest and 2nd highest TCs
- eth: ice: fix XDP memory leak when NIC is brought up and down
Misc:
- add deprecation notices for UDP-lite and DCCP
- selftests: mptcp: skip tests not supported by old kernels
- sctp: handle invalid error codes without calling BUG()
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, and netfilter.
Selftests excluded - we have 58 patches and diff of +442/-199, which
isn't really small but perhaps with the exception of the WiFi locking
change it's old(ish) bugs.
We have no known problems with v6.4.
The selftest changes are rather large as MPTCP folks try to apply
Greg's guidance that selftest from torvalds/linux should be able to
run against stable kernels.
Last thing I should call out is the DCCP/UDP-lite deprecation notices.
We are fairly sure those are dead, but if we're wrong reverting them
back in won't be fun.
Current release - regressions:
- wifi:
- cfg80211: fix double lock bug in reg_wdev_chan_valid()
- iwlwifi: mvm: spin_lock_bh() to fix lockdep regression
Current release - new code bugs:
- handshake: remove fput() that causes use-after-free
Previous releases - regressions:
- sched: cls_u32: fix reference counter leak leading to overflow
- sched: cls_api: fix lockup on flushing explicitly created chain
Previous releases - always broken:
- nf_tables: integrate pipapo into commit protocol
- nf_tables: incorrect error path handling with NFT_MSG_NEWRULE, fix
dangling pointer on failure
- ping6: fix send to link-local addresses with VRF
- sched: act_pedit: parse L3 header for L4 offset, the skb may not
have the offset saved
- sched: act_ct: fix promotion of offloaded unreplied tuple
- sched: refuse to destroy an ingress and clsact Qdiscs if there are
lockless change operations in flight
- wifi: mac80211: fix handful of bugs in multi-link operation
- ipvlan: fix bound dev checking for IPv6 l3s mode
- eth: enetc: correct the indexes of highest and 2nd highest TCs
- eth: ice: fix XDP memory leak when NIC is brought up and down
Misc:
- add deprecation notices for UDP-lite and DCCP
- selftests: mptcp: skip tests not supported by old kernels
- sctp: handle invalid error codes without calling BUG()"
* tag 'net-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
dccp: Print deprecation notice.
udplite: Print deprecation notice.
octeon_ep: Add missing check for ioremap
selftests/ptp: Fix timestamp printf format for PTP_SYS_OFFSET
net: ethernet: stmicro: stmmac: fix possible memory leak in __stmmac_open
net: tipc: resize nlattr array to correct size
sfc: fix XDP queues mode with legacy IRQ
net: macsec: fix double free of percpu stats
net: lapbether: only support ethernet devices
MAINTAINERS: add reviewers for SMC Sockets
s390/ism: Fix trying to free already-freed IRQ by repeated ism_dev_exit()
net: dsa: felix: fix taprio guard band overflow at 10Mbps with jumbo frames
net/sched: cls_api: Fix lockup on flushing explicitly created chain
ice: Fix ice module unload
net/handshake: remove fput() that causes use-after-free
selftests: forwarding: hw_stats_l3: Set addrgenmode in a separate step
net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting
net/sched: Refactor qdisc_graft() for ingress and clsact Qdiscs
net/sched: act_ct: Fix promotion of offloaded unreplied tuple
wifi: iwlwifi: mvm: spin_lock_bh() to fix lockdep regression
...
merge; where DM core was splitting large discards every 128K
(max_sectors_kb) rather than every 64M (discard_max_bytes).
- Extend DM core LOCKFS fix, made during 6.4 merge, to also fix race
between do_mount and dm's do_suspend (in addition to the earlier
fix's do_mount race with dm's do_resume).
- Fix DM thin metadata operations to first check if the thin-pool is
in "fail_io" mode; otherwise UAF can occur.
- Fix DM thinp's call to __blkdev_issue_discard to use GFP_NOIO rather
than GFP_NOWAIT (__blkdev_issue_discard cannot handle NULL return
from bio_alloc).
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Merge tag 'for-6.4/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM thinp discard performance regression introduced during this
merge window where DM core was splitting large discards every 128K
(max_sectors_kb) rather than every 64M (discard_max_bytes).
- Extend DM core LOCKFS fix, made during 6.4 merge, to also fix race
between do_mount and dm's do_suspend (in addition to the earlier
fix's do_mount race with dm's do_resume).
- Fix DM thin metadata operations to first check if the thin-pool is in
"fail_io" mode; otherwise UAF can occur.
- Fix DM thinp's call to __blkdev_issue_discard to use GFP_NOIO rather
than GFP_NOWAIT (__blkdev_issue_discard cannot handle NULL return
from bio_alloc).
* tag 'for-6.4/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: use op specific max_sectors when splitting abnormal io
dm thin: fix issue_discard to pass GFP_NOIO to __blkdev_issue_discard
dm thin metadata: check fail_io before using data_sm
dm: don't lock fs when the map is NULL during suspend or resume
Many rc bug fixes:
- Two rtrs bug fixes for error unwind bugs
- Several rxe bug fixes:
* Incorrect Rx packet validation
* Using memory without a refcount
* Syzkaller found use before initialization
* Regression fix for missing locking with the tasklet conversion from
this merge window
- Have bnxt report the correct link properties to userspace, this was
a regression in v6.3
- Several mlx5 bug fixes:
* Kernel crash triggerable by userspace for the RAW ethernet profile
* Defend against steering refcounting issues created by userspace
* Incorrect change of QP port affinity parameters in some LAG configurations
- Fix mlx5 Q counters:
* Do not over allocate Q counters to allow userspace to use the full
port capacity
* Kernel crash triggered by eswitch due to mis-use of Q counters
* Incorrect mlx5_device for Q counters in some LAG configurations
- Properly implement the IBA spec restricting privileged qkeys to root
- Always an error when reading from a disassociated device's event queue
- isert bug fixes:
* Avoid a deadlock with the CM handler and CM ID destruction
* Correct list corruption due to incorrect locking
* Fix a use after free around connection tear down
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"This is an unusually large bunch of bug fixes for the later rc cycle,
rxe and mlx5 both dumped a lot of things at once. rxe continues to fix
itself, and mlx5 is fixing a bunch of "queue counters" related bugs.
There is one highly notable bug fix regarding the qkey. This small
security check was missed in the original 2005 implementation and it
allows some significant issues.
Summary:
- Two rtrs bug fixes for error unwind bugs
- Several rxe bug fixes:
* Incorrect Rx packet validation
* Using memory without a refcount
* Syzkaller found use before initialization
* Regression fix for missing locking with the tasklet conversion
from this merge window
- Have bnxt report the correct link properties to userspace, this was
a regression in v6.3
- Several mlx5 bug fixes:
* Kernel crash triggerable by userspace for the RAW ethernet
profile
* Defend against steering refcounting issues created by userspace
* Incorrect change of QP port affinity parameters in some LAG
configurations
- Fix mlx5 Q counters:
* Do not over allocate Q counters to allow userspace to use the
full port capacity
* Kernel crash triggered by eswitch due to mis-use of Q counters
* Incorrect mlx5_device for Q counters in some LAG configurations
- Properly implement the IBA spec restricting privileged qkeys to
root
- Always an error when reading from a disassociated device's event
queue
- isert bug fixes:
* Avoid a deadlock with the CM handler and CM ID destruction
* Correct list corruption due to incorrect locking
* Fix a use after free around connection tear down"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/rxe: Fix rxe_cq_post
IB/isert: Fix incorrect release of isert connection
IB/isert: Fix possible list corruption in CMA handler
IB/isert: Fix dead lock in ib_isert
RDMA/mlx5: Fix affinity assignment
IB/uverbs: Fix to consider event queue closing also upon non-blocking mode
RDMA/uverbs: Restrict usage of privileged QKEYs
RDMA/cma: Always set static rate to 0 for RoCE
RDMA/mlx5: Fix Q-counters query in LAG mode
RDMA/mlx5: Remove vport Q-counters dependency on normal Q-counters
RDMA/mlx5: Fix Q-counters per vport allocation
RDMA/mlx5: Create an indirect flow table for steering anchor
RDMA/mlx5: Initiate dropless RQ for RAW Ethernet functions
RDMA/rxe: Fix the use-before-initialization error of resp_pkts
RDMA/bnxt_re: Fix reporting active_{speed,width} attributes
RDMA/rxe: Fix ref count error in check_rkey()
RDMA/rxe: Fix packet length checks
RDMA/rtrs: Fix rxe_dealloc_pd warning
RDMA/rtrs: Fix the last iu->buf leak in err path
A few more driver specific fixes, the DesignWare fix is for an issue
introduced by conversion to the chip select accessor functions and is
pretty important but the other two are less severe.
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Merge tag 'spi-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few more driver specific fixes.
The DesignWare fix is for an issue introduced by conversion to the
chip select accessor functions and is pretty important but the other
two are less severe"
* tag 'spi-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: dw: Replace incorrect spi_get_chipselect with set
spi: fsl-dspi: avoid SCK glitches with continuous transfers
spi: cadence-quadspi: Add missing check for dma_set_mask
One fix for v6.4, the set of regulators described for the Qualcomm
PM8550 just seems to have been completely wrong and would likely not
have worked at all if anything tried to actually configure anything
except for enabling and disabling at runtime.
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Merge tag 'regulator-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"The set of regulators described for the Qualcomm PM8550 just seems to
have been completely wrong and would likely not have worked at all if
anything tried to actually configure anything except for enabling and
disabling at runtime"
* tag 'regulator-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom-rpmh: Fix regulators for PM8550
Another fix for the maple tree cache, Takashi noticed that unlike other
caches the maple tree cache didn't check for read only registers before
trying to sync which would result in spurious syncs for read only
registers where we don't have a default. This was due to the check
being open coded in the caches, we now check in the shared "does this
register need sync" function so that is fixed for this and future
caches.
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Merge tag 'regmap-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"Another fix for the maple tree cache, Takashi noticed that unlike
other caches the maple tree cache didn't check for read only registers
before trying to sync which would result in spurious syncs for read
only registers where we don't have a default.
This was due to the check being open coded in the caches, we now check
in the shared 'does this register need sync' function so that is fixed
for this and future caches"
* tag 'regmap-fix-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: regcache: Don't sync read-only registers
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Merge tag 'media/v6.4-6' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A fix for dvb-core to avoid a race condition during DVB board
registration"
* tag 'media/v6.4-6' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
Revert "media: dvb-core: Fix use-after-free on race condition at dvb_frontend"
This seems to have existed for ever but is now more apparant after
commit 9bff18d13473 ("drm/ttm: use per BO cleanup workers")
My analysis: two threads are running, one in the irq signalling the
fence, in dma_fence_signal_timestamp_locked, it has done the
DMA_FENCE_FLAG_SIGNALLED_BIT setting, but hasn't yet reached the
callbacks.
The second thread in nouveau_cli_work_ready, where it sees the fence is
signalled, so then puts the fence, cleanups the object and frees the
work item, which contains the callback.
Thread one goes again and tries to call the callback and causes the
use-after-free.
Proposed fix: lock the fence signalled check in nouveau_cli_work_ready,
so either the callbacks are done or the memory is freed.
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Fixes: 11e451e74050 ("drm/nouveau: remove fence wait code from deferred client work handler")
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://lore.kernel.org/dri-devel/20230615024008.1600281-1-airlied@gmail.com/
multiple users (and tracked by regzbot[2]).
[1] https://syzkaller.appspot.com/bug?extid=4acc7d910e617b360859
[2] https://linux-regtracking.leemhuis.info/regzbot/regression/ZIauBR7YiV3rVAHL@glitch/
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix two regressions in ext4, one report by syzkaller[1], and reported
by multiple users (and tracked by regzbot[2])"
[1] https://syzkaller.appspot.com/bug?extid=4acc7d910e617b360859
[2] https://linux-regtracking.leemhuis.info/regzbot/regression/ZIauBR7YiV3rVAHL@glitch/
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: drop the call to ext4_error() from ext4_get_group_info()
Revert "ext4: remove unnecessary check in ext4_bg_num_gdb_nometa"
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Merge tag '6.4-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Eight, mostly small, smb3 client fixes:
- important fix for deferred close oops (race with unmount) found
with xfstest generic/098 to some servers
- important reconnect fix
- fix problem with max_credits mount option
- two multichannel (interface related) fixes
- one trivial removal of confusing comment
- two small debugging improvements (to better spot crediting
problems)"
* tag '6.4-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: add a warning when the in-flight count goes negative
cifs: fix lease break oops in xfstest generic/098
cifs: fix max_credits implementation
cifs: fix sockaddr comparison in iface_cmp
smb/client: print "Unknown" instead of bogus link speed value
cifs: print all credit counters in DebugData
cifs: fix status checks in cifs_tree_connect
smb: remove obsolete comment
Kuniyuki Iwashima says:
====================
udplite/dccp: Print deprecation notice.
UDP-Lite is assumed to have no users for 7 years, and DCCP is
orphaned for 7 years too.
Let's add deprecation notice and see if anyone responds to it.
====================
Link: https://lore.kernel.org/r/20230614194705.90673-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
DCCP was marked as Orphan in the MAINTAINERS entry 2 years ago in commit
054c4610bd05 ("MAINTAINERS: dccp: move Gerrit Renker to CREDITS"). It says
we haven't heard from the maintainer for five years, so DCCP is not well
maintained for 7 years now.
Recently DCCP only receives updates for bugs, and major distros disable it
by default.
Removing DCCP would allow for better organisation of TCP fields to reduce
the number of cache lines hit in the fast path.
Let's add a deprecation notice when DCCP socket is created and schedule its
removal to 2025.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Recently syzkaller reported a 7-year-old null-ptr-deref [0] that occurs
when a UDP-Lite socket tries to allocate a buffer under memory pressure.
Someone should have stumbled on the bug much earlier if UDP-Lite had been
used in a real app. Also, we do not always need a large UDP-Lite workload
to hit the bug since UDP and UDP-Lite share the same memory accounting
limit.
Removing UDP-Lite would simplify UDP code removing a bunch of conditionals
in fast path.
Let's add a deprecation notice when UDP-Lite socket is created and schedule
its removal to 2025.
Link: https://lore.kernel.org/netdev/20230523163305.66466-1-kuniyu@amazon.com/ [0]
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add check for ioremap() and return the error if it fails in order to
guarantee the success of ioremap().
Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20230615033400.2971-1-jiasheng@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Previously, timestamps were printed using "%lld.%u" which is incorrect
for nanosecond values lower than 100,000,000 as they're fractional
digits, therefore leading zeros are meaningful.
This patch changes the format strings to "%lld.%09u" in order to add
leading zeros to the nanosecond value.
Fixes: 568ebc5985f5 ("ptp: add the PTP_SYS_OFFSET ioctl to the testptp program")
Fixes: 4ec54f95736f ("ptp: Fix compiler warnings in the testptp utility")
Fixes: 6ab0e475f1f3 ("Documentation: fix misc. warnings")
Signed-off-by: Alex Maftei <alex.maftei@amd.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20230615083404.57112-1-alex.maftei@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix a possible memory leak in __stmmac_open when stmmac_init_phy fails.
It's also needed to free everything allocated by stmmac_setup_dma_desc
and not just the dma_conf struct.
Drop free_dma_desc_resources from __stmmac_open and correctly call
free_dma_desc_resources on each user of __stmmac_open on error.
Reported-by: Jose Abreu <Jose.Abreu@synopsys.com>
Fixes: ba39b344e924 ("net: ethernet: stmicro: stmmac: generate stmmac dma conf before open")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com>
Link: https://lore.kernel.org/r/20230614091714.15912-1-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
According to nla_parse_nested_deprecated(), the tb[] is supposed to the
destination array with maxtype+1 elements. In current
tipc_nl_media_get() and __tipc_nl_media_set(), a larger array is used
which is unnecessary. This patch resize them to a proper size.
Fixes: 1e55417d8fc6 ("tipc: add media set to new netlink api")
Fixes: 46f15c6794fb ("tipc: add media get/dump to new netlink api")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Reviewed-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Link: https://lore.kernel.org/r/20230614120604.1196377-1-linma@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
