There's a lot of information that namespace implementers don't need to
know about at all. Encapsulate this all in the initialization helper.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
We have dedicated headers for all namespace types. Add one for the
cgroup namespace as well. Now it's consistent for all namespace types
and easy to figure out what to include.
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
It's really awkward spilling the ns common infrastructure into multiple
headers. Move it to a separate file.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
There's various scenarios where we need to know whether we are in the
initial set of namespaces or not to e.g., shortcut permission checking.
All namespaces expose that information. Let's do that too.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
We have dedicated headers for all namespace types. Add one for the uts
namespace as well. Now it's consistent for all namespace types.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
The mount namespace has supported id retrieval for a while already.
Add support for the other types as well.
Signed-off-by: Christian Brauner <brauner@kernel.org>
Pidfd file handles are exhaustive meaning they don't require a handle on
another pidfd to pass to open_by_handle_at() so it can derive the
filesystem to decode in. Instead it can be derived from the file
handle itself. The same is possible for namespace file handles.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
A while ago we added support for file handles to pidfs so pidfds can be
encoded and decoded as file handles. Userspace has adopted this quickly
and it's proven very useful. Implement file handles for namespaces as
well.
A process is not always able to open /proc/self/ns/. That requires
procfs to be mounted and for /proc/self/ or /proc/self/ns/ to not be
overmounted. However, userspace can always derive a namespace fd from
a pidfd. And that always works for a task's own namespace.
There's no need to introduce unnecessary behavioral differences between
/proc/self/ns/ fds, pidfd-derived namespace fds, and file-handle-derived
namespace fds. So namespace file handles are always decodable if the
caller is located in the namespace the file handle refers to.
This also allows a task to e.g., store a set of file handles to its
namespaces in a file on-disk so it can verify when it gets rexeced that
they're still valid and so on. This is akin to the pidfd use-case.
Or just plainly for namespace comparison reasons where a file handle to
the task's own namespace can be easily compared against others.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Add a helper to easily check whether a given namespace is the caller's
current namespace. This is currently open-coded in a lot of places.
Simply switch on the type and compare the results.
Reviewed-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Every namespace type has a container_of(ns, <ns_type>, ns) static inline
function that is currently not exposed in the header. So we have a bunch
of places that open-code it via container_of(). Move it to the headers
so we can use it directly.
Reviewed-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Support the generic ns lookup infrastructure to support file handles for
namespaces.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Move the namespace iteration infrastructure originally introduced for
mount namespaces into a generic library usable by all namespace types.
Signed-off-by: Christian Brauner <brauner@kernel.org>
No point in cargo-culting the same code across all the different types.
Use one common initializer.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
And move the stuff out from proc_ns.h where it really doesn't belong.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Validate extensible ioctls stricter than we do now.
Reviewed-by: Aleksa Sarai <cyphar@cyphar.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
gpuvm:
- fix some typos
xe:
- Fix user-fence race issue
- Couple xe_vm fixes
- Don't trigger rebind on initial dma-buf validation
- Fix a build issue related to basename() posix vs gnu discrepancy
amdgpu:
- pin buffers while vmapping
- UserQ fixes
- Revert CSA fix
- SR-IOV fix
nouveau:
- fix linear modifier
- remove some dead code
msm:
- Core/GPU:
- fix comment doc warning in gpuvm
- fix build with KMS disabled
- fix pgtable setup/teardown race
- global fault counter fix
- various error path fixes
- GPU devcoredump snapshot fixes
- handle in-place VM_BIND remaps to solve turnip vm update race
- skip re-emitting IBs for unusable VMs
- Don't use %pK through printk
- moved display snapshot init earlier, fixing a crash
- DPU:
- Fixed crash in virtual plane checking code
- Fixed mode comparison in virtual plane checking code
- DSI:
- Adjusted width of resulution-related registers
- Fixed locking issue on 14nm PLLs
- UBWC (per Bjorn's ack)
- Added UBWC configuration for several missing platforms (fixing
regression)
mediatek:
- Add error handling for old state CRTC in atomic_disable
- Fix DSI host and panel bridge pre-enable order
- Fix device/node reference count leaks in mtk_drm_get_all_drm_priv
- mtk_hdmi: Fix inverted parameters in some regmap_update_bits calls
tegra:
- revert dma-buf change
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Merge tag 'drm-fixes-2025-08-29' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes, feels a bit big.
The major piece is msm fixes, then the usual amdgpu/xe along with some
mediatek and nouveau fixes and a tegra revert.
gpuvm:
- fix some typos
xe:
- Fix user-fence race issue
- Couple xe_vm fixes
- Don't trigger rebind on initial dma-buf validation
- Fix a build issue related to basename() posix vs gnu discrepancy
amdgpu:
- pin buffers while vmapping
- UserQ fixes
- Revert CSA fix
- SR-IOV fix
nouveau:
- fix linear modifier
- remove some dead code
msm:
- Core/GPU:
- fix comment doc warning in gpuvm
- fix build with KMS disabled
- fix pgtable setup/teardown race
- global fault counter fix
- various error path fixes
- GPU devcoredump snapshot fixes
- handle in-place VM_BIND remaps to solve turnip vm update race
- skip re-emitting IBs for unusable VMs
- Don't use %pK through printk
- moved display snapshot init earlier, fixing a crash
- DPU:
- Fixed crash in virtual plane checking code
- Fixed mode comparison in virtual plane checking code
- DSI:
- Adjusted width of resulution-related registers
- Fixed locking issue on 14nm PLLs
- UBWC (per Bjorn's ack)
- Added UBWC configuration for several missing platforms (fixing
regression)
mediatek:
- Add error handling for old state CRTC in atomic_disable
- Fix DSI host and panel bridge pre-enable order
- Fix device/node reference count leaks in mtk_drm_get_all_drm_priv
- mtk_hdmi: Fix inverted parameters in some regmap_update_bits calls
tegra:
- revert dma-buf change"
* tag 'drm-fixes-2025-08-29' of https://gitlab.freedesktop.org/drm/kernel: (56 commits)
drm/mediatek: mtk_hdmi: Fix inverted parameters in some regmap_update_bits calls
drm/amdgpu/userq: fix error handling of invalid doorbell
drm/amdgpu: update firmware version checks for user queue support
drm/amd/amdgpu: disable hwmon power1_cap* for gfx 11.0.3 on vf mode
Revert "drm/amdgpu: fix incorrect vm flags to map bo"
drm/amdgpu/gfx12: set MQD as appriopriate for queue types
drm/amdgpu/gfx11: set MQD as appriopriate for queue types
drm/xe: switch to local xbasename() helper
drm/xe: Don't trigger rebind on initial dma-buf validation
drm/xe/vm: Clear the scratch_pt pointer on error
drm/xe/vm: Don't pin the vm_resv during validation
drm/xe/xe_sync: avoid race during ufence signaling
Revert "drm/tegra: Use dma_buf from GEM object instance"
soc: qcom: use no-UBWC config for MSM8956/76
soc: qcom: add configuration for MSM8929
soc: qcom: ubwc: add more missing platforms
soc: qcom: ubwc: use no-uwbc config for MSM8917
drm/msm/dpu: Add a null ptr check for dpu_encoder_needs_modeset
dt-bindings: display/msm: qcom,mdp5: drop lut clock
drm/gpuvm: fix various typos in .c and .h gpuvm file
...
- another small fix relevant to arm64 systems with memory encryption
(Shanker Donthineni)
- fix relevant to arm32 systems with non-standard CMA configuration
(Oreoluwa Babatunde)
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Merge tag 'dma-mapping-6.17-2025-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fixes from Marek Szyprowski:
- another small fix for arm64 systems with memory encryption (Shanker
Donthineni)
- fix for arm32 systems with non-standard CMA configuration (Oreoluwa
Babatunde)
* tag 'dma-mapping-6.17-2025-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma/pool: Ensure DMA_DIRECT_REMAP allocations are decrypted
of: reserved_mem: Restructure call site for dma_contiguous_early_fixup()
* printk cleanups in memblock and numa_memblks
* update kernel-doc for MEMBLOCK_RSRV_NOINIT to be more accurate and
detailed
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Merge tag 'fixes-2025-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
- printk cleanups in memblock and numa_memblks
- update kernel-doc for MEMBLOCK_RSRV_NOINIT to be more accurate and
detailed
* tag 'fixes-2025-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: fix kernel-doc for MEMBLOCK_RSRV_NOINIT
mm: numa,memblock: Use SZ_1M macro to denote bytes to MB conversion
mm/numa_memblks: Use pr_debug instead of printk(KERN_DEBUG)
less restrictive with the formats it accepts. A fix for amdgpu to pin
vmapped dma-buf, and a revert for tegra for a regression in the dma-buf
/ GEM code.
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Merge tag 'drm-misc-fixes-2025-08-28' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Several nouveau fixes to remove unused code, fix an error path and be
less restrictive with the formats it accepts. A fix for amdgpu to pin
vmapped dma-buf, and a revert for tegra for a regression in the dma-buf
/ GEM code.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://lore.kernel.org/r/20250828-hypersonic-colorful-squirrel-64f04b@houat
More small fixes. Most notably this fixes a messed up ioctl #,
and a regression in shmem affecting drm users.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio/vhost fixes from Michael Tsirkin:
"More small fixes. Most notably this fixes a messed up ioctl number,
and a regression in shmem affecting drm users"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_net: adjust the execution order of function `virtnet_close` during freeze
virtio_input: Improve freeze handling
vhost: Fix ioctl # for VHOST_[GS]ET_FORK_FROM_OWNER
Revert "virtio: reject shm region if length is zero"
vhost/net: Protect ubufs with rcu read lock in vhost_net_ubuf_put()
virtio_pci: Fix misleading comment for queue vector
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Merge tag 'media/v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- drop the redundant pm_runtime_mark_last_busy() in rkvdec
- fix probing error handling in rkvdec
- fix an issue affecting lt6911uxe/lt6911uxc related to CSI-2 GPIO pins
in int3472
* tag 'media/v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: Remove redundant pm_runtime_mark_last_busy() calls
platform/x86: int3472: add hpd pin support
media: rkvdec: Remove redundant pm_runtime_mark_last_busy() calls
media: rkvdec: Fix an error handling path in rkvdec_probe()
media: rkvdec: Fix a NULL vs IS_ERR() bug in probe()
The 'use' field in struct rose_neigh is used as a reference counter but
lacks atomicity. This can lead to race conditions where a rose_neigh
structure is freed while still being referenced by other code paths.
For example, when rose_neigh->use becomes zero during an ioctl operation
via rose_rt_ioctl(), the structure may be removed while its timer is
still active, potentially causing use-after-free issues.
This patch changes the type of 'use' from unsigned short to refcount_t and
updates all code paths to use rose_neigh_hold() and rose_neigh_put() which
operate reference counts atomically.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Takamitsu Iwai <takamitz@amazon.co.jp>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250823085857.47674-3-takamitz@amazon.co.jp
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The current rose_remove_neigh() performs two distinct operations:
1. Removes rose_neigh from rose_neigh_list
2. Frees the rose_neigh structure
Split these operations into separate functions to improve maintainability
and prepare for upcoming refcount_t conversion. The timer cleanup remains
in rose_remove_neigh() because free operations can be called from timer
itself.
This patch introduce rose_neigh_put() to handle the freeing of rose_neigh
structures and modify rose_remove_neigh() to handle removal only.
Signed-off-by: Takamitsu Iwai <takamitz@amazon.co.jp>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250823085857.47674-2-takamitz@amazon.co.jp
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The kernel-doc description of MEMBLOCK_RSRV_NOINIT and
memblock_reserved_mark_noinit() do not accurately describe their
functionality.
Expand their kernel doc to make it clear that the user of
MEMBLOCK_RSRV_NOINIT is responsible to properly initialize the struct pages
for such regions and add more details about effects of using this flag.
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/f8140a17-c4ec-489b-b314-d45abe48bf36@redhat.com
Link: https://lore.kernel.org/r/20250826071947.1949725-1-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
The VHOST_[GS]ET_FEATURES_ARRAY ioctl already took 0x83 and it would
result in a build error when the vhost uapi header is used for perf tool
build like below.
In file included from trace/beauty/ioctl.c:93:
tools/perf/trace/beauty/generated/ioctl/vhost_virtio_ioctl_array.c: In function ‘ioctl__scnprintf_vhost_virtio_cmd’:
tools/perf/trace/beauty/generated/ioctl/vhost_virtio_ioctl_array.c:36:18: error: initialized field overwritten [-Werror=override-init]
36 | [0x83] = "SET_FORK_FROM_OWNER",
| ^~~~~~~~~~~~~~~~~~~~~
tools/perf/trace/beauty/generated/ioctl/vhost_virtio_ioctl_array.c:36:18: note: (near initialization for ‘vhost_virtio_ioctl_cmds[131]’)
Fixes: 7d9896e9f6 ("vhost: Reintroduce kthread API and add mode selection")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Message-Id: <20250819063958.833770-1-namhyung@kernel.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
The commit 206cc44588 ("virtio: reject shm region if length is zero")
breaks the Virtio-gpu `host_visible` feature.
As you can see in the snippet below, host_visible_region is zero because
of the `kzalloc`. It's using the `vm_get_shm_region`
(drivers/virtio/virtio_mmio.c:536) to read the `addr` and `len` from
qemu/crosvm.
```
drivers/gpu/drm/virtio/virtgpu_kms.c
132 vgdev = drmm_kzalloc(dev, sizeof(struct virtio_gpu_device), GFP_KERNEL);
[...]
177 if (virtio_get_shm_region(vgdev->vdev, &vgdev->host_visible_region,
178 VIRTIO_GPU_SHM_ID_HOST_VISIBLE)) {
```
Now it always fails.
To fix, revert the offending commit.
Fixes: 206cc44588 ("virtio: reject shm region if length is zero")
Signed-off-by: Igor Torrente <igor.torrente@collabora.com>
Message-Id: <20250807124145.81816-1-igor.torrente@collabora.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Here are some small USB driver fixes for 6.17-rc3 to resolve a bunch of
reported issues. Included in here are:
- typec driver fixes
- dwc3 new device id
- dwc3 driver fixes
- new usb-storage driver quirks
- xhci driver fixes
- other tiny USB driver fixes to resolve bugs
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-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for 6.17-rc3 to resolve a bunch
of reported issues. Included in here are:
- typec driver fixes
- dwc3 new device id
- dwc3 driver fixes
- new usb-storage driver quirks
- xhci driver fixes
- other tiny USB driver fixes to resolve bugs
All of these have been in linux-next this week with no reported issues"
* tag 'usb-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: xhci: fix host not responding after suspend and resume
usb: xhci: Fix slot_id resource race conflict
usb: typec: fusb302: Revert incorrect threaded irq fix
USB: core: Update kerneldoc for usb_hcd_giveback_urb()
usb: typec: maxim_contaminant: re-enable cc toggle if cc is open and port is clean
usb: typec: maxim_contaminant: disable low power mode when reading comparator values
usb: dwc3: Remove WARN_ON for device endpoint command timeouts
USB: storage: Ignore driver CD mode for Realtek multi-mode Wi-Fi dongles
usb: storage: realtek_cr: Use correct byte order for bcs->Residue
usb: chipidea: imx: improve usbmisc_imx7d_pullup()
kcov, usb: Don't disable interrupts in kcov_remote_start_usb_softirq()
usb: dwc3: pci: add support for the Intel Wildcat Lake
usb: dwc3: Ignore late xferNotReady event to prevent halt timeout
USB: storage: Add unusual-devs entry for Novatek NTK96550-based camera
usb: core: hcd: fix accessing unmapped memory in SINGLE_STEP_SET_FEATURE test
usb: renesas-xhci: Fix External ROM access timeouts
usb: gadget: tegra-xudc: fix PM use count underflow
usb: quirks: Add DELAY_INIT quick for another SanDisk 3.2Gen1 Flash Drive
Function set_name_sync() uses hdev->dev_name field to send
HCI_OP_WRITE_LOCAL_NAME command, but copying from data to hdev->dev_name
is called after mgmt cmd was queued, so it is possible that function
set_name_sync() will read old name value.
This change adds name as a parameter for function hci_update_name_sync()
to avoid race condition.
Fixes: 6f6ff38a1e ("Bluetooth: hci_sync: Convert MGMT_OP_SET_LOCAL_NAME")
Signed-off-by: Pavel Shpakovskiy <pashpakovskii@salutedevices.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Merge tag 'for-linus-6.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two small cleanups which are both relevant only when running as a Xen
guest"
* tag 'for-linus-6.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
drivers/xen/xenbus: remove quirk for Xen 3.x
compiler: remove __ADDRESSABLE_ASM{_STR,}() again
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Merge tag 'block-6.17-20250822' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"A set of fixes for block that should go into this tree. A bit larger
than what I usually have at this point in time, a lot of that is the
continued fixing of the lockdep annotation for queue freezing that we
recently added, which has highlighted a number of little issues here
and there. This contains:
- MD pull request via Yu:
- Add a legacy_async_del_gendisk mode, to prevent a user tools
regression. New user tools releases will not use such a mode,
the old release with a new kernel now will have warning about
deprecated behavior, and we prepare to remove this legacy mode
after about a year later
- The rename in kernel causing user tools build failure, revert
the rename in mdp_superblock_s
- Fix a regression that interrupted resync can be shown as
recover from mdstat or sysfs
- Improve file size detection for loop, particularly for networked
file systems, by using getattr to get the size rather than the
cached inode size.
- Hotplug CPU lock vs queue freeze fix
- Lockdep fix while updating the number of hardware queues
- Fix stacking for PI devices
- Silence bio_check_eod() for the known case of device removal where
the size is truncated to 0 sectors"
* tag 'block-6.17-20250822' of git://git.kernel.dk/linux:
block: avoid cpu_hotplug_lock depedency on freeze_lock
block: decrement block_rq_qos static key in rq_qos_del()
block: skip q->rq_qos check in rq_qos_done_bio()
blk-mq: fix lockdep warning in __blk_mq_update_nr_hw_queues
block: tone down bio_check_eod
loop: use vfs_getattr_nosec for accurate file size
loop: Consolidate size calculation logic into lo_calculate_size()
block: remove newlines from the warnings in blk_validate_integrity_limits
block: handle pi_tuple_size in queue_limits_stack_integrity
selftests: ublk: Use ARRAY_SIZE() macro to improve code
md: fix sync_action incorrect display during resync
md: add helper rdev_needs_recovery()
md: keep recovery_cp in mdp_superblock_s
md: add legacy_async_del_gendisk mode
Only small fixes.
- ASoC Cirrus codec fixes
- A regression fix for the recent TAS2781 codec refactoring
- A fix for user-timer error handling
- Fixes for USB-audio descriptor validators
- Usual HD-audio and ASoC device-specific quirks
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Merge tag 'sound-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Only small fixes.
- ASoC Cirrus codec fixes
- A regression fix for the recent TAS2781 codec refactoring
- A fix for user-timer error handling
- Fixes for USB-audio descriptor validators
- Usual HD-audio and ASoC device-specific quirks"
* tag 'sound-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Use correct sub-type for UAC3 feature unit validation
ALSA: timer: fix ida_free call while not allocated
ASoC: cs35l56: Remove SoundWire Clock Divider workaround for CS35L63
ASoC: cs35l56: Handle new algorithms IDs for CS35L63
ASoC: cs35l56: Update Firmware Addresses for CS35L63 for production silicon
ALSA: hda: tas2781: Fix wrong reference of tasdevice_priv
ALSA: hda/realtek: Audio disappears on HP 15-fc000 after warm boot again
ALSA: hda/realtek: Fix headset mic on ASUS Zenbook 14
ASoC: codecs: ES9389: Modify the standby configuration
ALSA: usb-audio: Fix size validation in convert_chmap_v3()
ALSA: hda/tas2781: Add name prefix tas2781 for tas2781's dvc_tlv and amp_vol_tlv
ALSA: hda/realtek: Add support for HP EliteBook x360 830 G6 and EliteBook 830 G6
Stable fixes:
- NFS: Fix a data corrupting race when updating an existing write
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Merge tag 'nfs-for-6.17-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fix from Trond Myklebust:
- NFS: Fix a data corrupting race when updating an existing write
* tag 'nfs-for-6.17-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix a race when updating an existing write
or aren't considered necessary for -stable kernels. 17 of these fixes are
for MM.
As usual, singletons all over the place, apart from a three-patch series
of KHO followup work from Pasha which is actually also a bunch of
singletons.
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Merge tag 'mm-hotfixes-stable-2025-08-21-18-17' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"20 hotfixes. 10 are cc:stable and the remainder address post-6.16
issues or aren't considered necessary for -stable kernels. 17 of these
fixes are for MM.
As usual, singletons all over the place, apart from a three-patch
series of KHO followup work from Pasha which is actually also a bunch
of singletons"
* tag 'mm-hotfixes-stable-2025-08-21-18-17' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/mremap: fix WARN with uffd that has remap events disabled
mm/damon/sysfs-schemes: put damos dests dir after removing its files
mm/migrate: fix NULL movable_ops if CONFIG_ZSMALLOC=m
mm/damon/core: fix damos_commit_filter not changing allow
mm/memory-failure: fix infinite UCE for VM_PFNMAP pfn
MAINTAINERS: mark MGLRU as maintained
mm: rust: add page.rs to MEMORY MANAGEMENT - RUST
iov_iter: iterate_folioq: fix handling of offset >= folio size
selftests/damon: fix selftests by installing drgn related script
.mailmap: add entry for Easwar Hariharan
selftests/mm: add test for invalid multi VMA operations
mm/mremap: catch invalid multi VMA moves earlier
mm/mremap: allow multi-VMA move when filesystem uses thp_get_unmapped_area
mm/damon/core: fix commit_ops_filters by using correct nth function
tools/testing: add linux/args.h header and fix radix, VMA tests
mm/debug_vm_pgtable: clear page table entries at destroy_args()
squashfs: fix memory leak in squashfs_fill_super
kho: warn if KHO is disabled due to an error
kho: mm: don't allow deferred struct page with KHO
kho: init new_physxa->phys_bits to fix lockdep
In a similar manner to copy_from_iter()/copy_from_iter_full(), introduce
skb_copy_datagram_from_iter_full() which reverts the iterator to its
initial state when returning an error.
A subsequent fix for a vsock regression will make use of this new
function.
Cc: Christian Brauner <brauner@kernel.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://patch.msgid.link/20250818180355.29275-2-will@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Make ACPI APEI error injection check the version of the request when
mapping the EINJ parameter structure in the BIOS reserved memory to
prevent injecting errors based on an uninitialized field (Tony Luck)
- Fix potential NULL dereference in __einj_error_inject() that may
occur when memory allocation fails (Charles Han)
- Remove the __exit annotation from einj_remove(), so it can be called
on errors during faux device probe (Uwe Kleine-König)
- Use a security-version-number check instead of a runtime version
check during ACPI platform firmware runtime driver updates to prevent
those updates from failing due to false-positive driver version check
failures (Chen Yu)
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Merge tag 'acpi-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix three new issues in the ACPI APEI error injection code and
an ACPI platform firmware runtime update interface issue:
- Make ACPI APEI error injection check the version of the request
when mapping the EINJ parameter structure in the BIOS reserved
memory to prevent injecting errors based on an uninitialized
field (Tony Luck)
- Fix potential NULL dereference in __einj_error_inject() that may
occur when memory allocation fails (Charles Han)
- Remove the __exit annotation from einj_remove(), so it can be
called on errors during faux device probe (Uwe Kleine-König)
- Use a security-version-number check instead of a runtime version
check during ACPI platform firmware runtime driver updates to
prevent those updates from failing due to false-positive driver
version check failures (Chen Yu)"
* tag 'acpi-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: pfr_update: Fix the driver update version check
ACPI: APEI: EINJ: Fix resource leak by remove callback in .exit.text
ACPI: APEI: EINJ: fix potential NULL dereference in __einj_error_inject()
ACPI: APEI: EINJ: Check if user asked for EINJV2 injection
Current release - fix to a fix:
- usb: asix_devices: fix PHY address mask in MDIO bus initialization
Current release - regressions:
- Bluetooth: fixes for the split between BIS_LINK and PA_LINK
- Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN flag",
breaks compatibility with some existing device tree blobs
- dsa: b53: fix reserved register access in b53_fdb_dump()
Current release - new code bugs:
- sched: dualpi2: run probability update timer in BH to avoid deadlock
- eth: libwx: fix the size in RSS hash key population
- pse-pd: pd692x0: improve power budget error paths and handling
Previous releases - regressions:
- tls: fix handling of zero-length records on the rx_list
- hsr: reject HSR frame if skb can't hold tag
- bonding: fix negotiation flapping in 802.3ad passive mode
Previous releases - always broken:
- gso: forbid IPv6 TSO with extensions on devices with only IPV6_CSUM
- sched: make cake_enqueue return NET_XMIT_CN when past buffer_limit,
avoid packet drops with low buffer_limit, remove unnecessary WARN()
- sched: fix backlog accounting after modifying config of a qdisc
in the middle of the hierarchy
- mptcp: improve handling of skb extension allocation failures
- eth: mlx5:
- fixes for the "HW Steering" flow management method
- fixes for QoS and device buffer management
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth.
Current release - fix to a fix:
- usb: asix_devices: fix PHY address mask in MDIO bus initialization
Current release - regressions:
- Bluetooth: fixes for the split between BIS_LINK and PA_LINK
- Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN
flag", breaks compatibility with some existing device tree blobs
- dsa: b53: fix reserved register access in b53_fdb_dump()
Current release - new code bugs:
- sched: dualpi2: run probability update timer in BH to avoid
deadlock
- eth: libwx: fix the size in RSS hash key population
- pse-pd: pd692x0: improve power budget error paths and handling
Previous releases - regressions:
- tls: fix handling of zero-length records on the rx_list
- hsr: reject HSR frame if skb can't hold tag
- bonding: fix negotiation flapping in 802.3ad passive mode
Previous releases - always broken:
- gso: forbid IPv6 TSO with extensions on devices with only IPV6_CSUM
- sched: make cake_enqueue return NET_XMIT_CN when past buffer_limit,
avoid packet drops with low buffer_limit, remove unnecessary WARN()
- sched: fix backlog accounting after modifying config of a qdisc in
the middle of the hierarchy
- mptcp: improve handling of skb extension allocation failures
- eth: mlx5:
- fixes for the "HW Steering" flow management method
- fixes for QoS and device buffer management"
* tag 'net-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits)
netfilter: nf_reject: don't leak dst refcount for loopback packets
net/mlx5e: Preserve shared buffer capacity during headroom updates
net/mlx5e: Query FW for buffer ownership
net/mlx5: Restore missing scheduling node cleanup on vport enable failure
net/mlx5: Fix QoS reference leak in vport enable error path
net/mlx5: Destroy vport QoS element when no configuration remains
net/mlx5e: Preserve tc-bw during parent changes
net/mlx5: Remove default QoS group and attach vports directly to root TSAR
net/mlx5: Base ECVF devlink port attrs from 0
net: pse-pd: pd692x0: Skip power budget configuration when undefined
net: pse-pd: pd692x0: Fix power budget leak in manager setup error path
Octeontx2-af: Skip overlap check for SPI field
selftests: tls: add tests for zero-length records
tls: fix handling of zero-length records on the rx_list
net: airoha: ppe: Do not invalid PPE entries in case of SW hash collision
selftests: bonding: add test for passive LACP mode
bonding: send LACPDUs periodically in passive mode after receiving partner's LACPDU
bonding: update LACP activity flag after setting lacp_active
Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN flag"
ipv6: sr: Fix MAC comparison to be constant-time
...
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Merge tag 'loongarch-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Fix a lot of build warnings for LTO-enabled objtool check, increase
COMMAND_LINE_SIZE up to 4096, rename a missing GCC_PLUGIN_STACKLEAK to
KSTACK_ERASE, and fix some bugs about arch timer, module loading, LBT
and KVM"
* tag 'loongarch-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Add address alignment check in pch_pic register access
LoongArch: KVM: Use kvm_get_vcpu_by_id() instead of kvm_get_vcpu()
LoongArch: KVM: Fix stack protector issue in send_ipi_data()
LoongArch: KVM: Make function kvm_own_lbt() robust
LoongArch: Rename GCC_PLUGIN_STACKLEAK to KSTACK_ERASE
LoongArch: Save LBT before FPU in setup_sigcontext()
LoongArch: Optimize module load time by optimizing PLT/GOT counting
LoongArch: Add cpuhotplug hooks to fix high cpu usage of vCPU threads
LoongArch: Increase COMMAND_LINE_SIZE up to 4096
LoongArch: Pass annotate-tablejump option if LTO is enabled
objtool/LoongArch: Get table size correctly if LTO is enabled
A recent lockdep[1] splat observed while running blktest block/005
reveals a potential deadlock caused by the cpu_hotplug_lock dependency
on ->freeze_lock. This dependency was introduced by commit 033b667a82
("block: blk-rq-qos: guard rq-qos helpers by static key").
That change added a static key to avoid fetching q->rq_qos when
neither blk-wbt nor blk-iolatency is configured. The static key
dynamically patches kernel text to a NOP when disabled, eliminating
overhead of fetching q->rq_qos in the I/O hot path. However, enabling
a static key at runtime requires acquiring both cpu_hotplug_lock and
jump_label_mutex. When this happens after the queue has already been
frozen (i.e., while holding ->freeze_lock), it creates a locking
dependency from cpu_hotplug_lock to ->freeze_lock, which leads to a
potential deadlock reported by lockdep [1].
To resolve this, replace the static key mechanism with q->queue_flags:
QUEUE_FLAG_QOS_ENABLED. This flag is evaluated in the fast path before
accessing q->rq_qos. If the flag is set, we proceed to fetch q->rq_qos;
otherwise, the access is skipped.
Since q->queue_flags is commonly accessed in IO hotpath and resides in
the first cacheline of struct request_queue, checking it imposes minimal
overhead while eliminating the deadlock risk.
This change avoids the lockdep splat without introducing performance
regressions.
[1] https://lore.kernel.org/linux-block/4fdm37so3o4xricdgfosgmohn63aa7wj3ua4e5vpihoamwg3ui@fq42f5q5t5ic/
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Closes: https://lore.kernel.org/linux-block/4fdm37so3o4xricdgfosgmohn63aa7wj3ua4e5vpihoamwg3ui@fq42f5q5t5ic/
Fixes: 033b667a82 ("block: blk-rq-qos: guard rq-qos helpers by static key")
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Nilay Shroff <nilay@linux.ibm.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20250814082612.500845-4-nilay@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The port's actor_oper_port_state activity flag should be updated immediately
after changing the lacp_active option to reflect the current mode correctly.
Fixes: 3a755cd8b7 ("bonding: add new option lacp_active")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250815062000.22220-2-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A few fixes that came in during the past week, there's some updates for
the CS35L56 which adjust the driver for production silicon and a fix for
buggy resume of the ES9389.
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Merge tag 'asoc-fix-v6.17-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.17
A few fixes that came in during the past week, there's some updates for
the CS35L56 which adjust the driver for production silicon and a fix for
buggy resume of the ES9389.
CS35L63 uses different algorithm IDs from CS35L56.
Add a new mechanism to handle different alg IDs between parts in the
CS35L56 driver.
Fixes: 978858791c ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250820142209.127575-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. Update firmware addresses, which are different.
No product was ever released with pre-production silicon so there is no
need for the driver to include support for it.
Fixes: 978858791c ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250820142209.127575-2-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
