- Fix CPER error record parsing bugs
- Fix a couple of efivarfs issues that were introduced in the merge
window
- Fix an issue in the early remapping code of the MOKvar table
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Merge tag 'efi-fixes-for-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"Another couple of EFI fixes for v6.14.
Only James's patch stands out, as it implements a workaround for odd
behavior in fwupd in user space, which creates EFI variables by
touching a file in efivarfs, clearing the immutable bit (which gets
set automatically for $reasons) and then opening it again for writing,
none of which is really necessary.
The fwupd author and LVFS maintainer is already rolling out a fix for
this on the fwupd side, and suggested that the workaround in this PR
could be backed out again during the next cycle.
(There is a semantic mismatch in efivarfs where some essential
variable attributes are stored in the first 4 bytes of the file, and
so zero length files cannot exist, as they cannot be written back to
the underlying variable store. So now, they are dropped once the last
reference is released.)
Summary:
- Fix CPER error record parsing bugs
- Fix a couple of efivarfs issues that were introduced in the merge
window
- Fix an issue in the early remapping code of the MOKvar table"
* tag 'efi-fixes-for-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/mokvar-table: Avoid repeated map/unmap of the same page
efi: Don't map the entire mokvar table to determine its size
efivarfs: allow creation of zero length files
efivarfs: Defer PM notifier registration until .fill_super
efi/cper: Fix cper_arm_ctx_info alignment
efi/cper: Fix cper_ia_proc_ctx alignment
amdgpu:
- Legacy dpm suspend/resume fix
- Runtime PM fix for DELL G5 SE
- MAINTAINERS updates
- Enforce Isolation fixes
- mailmap update
- EDID reading i2c fix
- PSR fix
- eDP fix
- HPD interrupt handling fix
- Clear memory fix
amdkfd:
- MQD handling fix
vkms:
- fix rounding error
imagination:
- header fix
nouveau:
- connector status fix
fb/defio:
- NULL ptr fix for defio drivers
i915:
- Fix encoder HW state readout for DP UHBR MST
xe:
- OA uapi fix (Umesh)
- Userptr related fixes
- Remove a duplicated register entry
- Scheduler related fix to prevent exec races when freeing it
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Merge tag 'drm-fixes-2025-02-28' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"This week's fixes pull, amdgpu mostly, with some xe and a few misc
others, the fb defio fix is bit of a change, but it avoids some nasty
NULL pointer crashes due to defio assuming page backing in places it
didn't have pages.
amdgpu:
- Legacy dpm suspend/resume fix
- Runtime PM fix for DELL G5 SE
- MAINTAINERS updates
- Enforce Isolation fixes
- mailmap update
- EDID reading i2c fix
- PSR fix
- eDP fix
- HPD interrupt handling fix
- Clear memory fix
amdkfd:
- MQD handling fix
vkms:
- fix rounding error
imagination:
- header fix
nouveau:
- connector status fix
fb/defio:
- NULL ptr fix for defio drivers
i915:
- Fix encoder HW state readout for DP UHBR MST
xe:
- OA uapi fix (Umesh)
- Userptr related fixes
- Remove a duplicated register entry
- Scheduler related fix to prevent exec races when freeing it"
* tag 'drm-fixes-2025-02-28' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
drm/fbdev-dma: Add shadow buffering for deferred I/O
drm/nouveau: Do not override forced connector status
drm/i915/dp_mst: Fix encoder HW state readout for UHBR MST
drm/xe: cancel pending job timer before freeing scheduler
drm/xe/regs: remove a duplicate definition for RING_CTL_SIZE(size)
drm/imagination: remove unnecessary header include path
drm/amdgpu: init return value in amdgpu_ttm_clear_buffer
drm/amd/display: Fix HPD after gpu reset
drm/amd/display: add a quirk to enable eDP0 on DP1
drm/amd/display: Disable PSR-SU on eDP panels
MAINTAINERS: Update AMDGPU DML maintainers info
drm/amd/display: restore edid reading from a given i2c adapter
mailmap: Add entry for Rodrigo Siqueira
MAINTAINERS: Change my role from Maintainer to Reviewer
drm/amdgpu/mes: keep enforce isolation up to date
drm/amdgpu/gfx: only call mes for enforce isolation if supported
MAINTAINERS: update amdgpu maintainers list
drm/amdgpu: disable BAR resize on Dell G5 SE
drm/amdkfd: Preserve cp_hqd_pq_control on update_mqd
amdgpu/pm/legacy: fix suspend/resume issues
...
fix for nouveau, and a NULL pointer dereference fix for deferred IO
drivers.
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Merge tag 'drm-misc-fixes-2025-02-27' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Fix a rounding error in vkms, a header fix for img, a connector status
fix for nouveau, and a NULL pointer dereference fix for deferred IO
drivers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250227-antique-robust-earthworm-09dfd1@houat
this week, so next week's PR is probably going to be bigger. A healthy
dose of fixes for bugs introduced in the current release nonetheless.
Current release - regressions:
- Bluetooth: always allow SCO packets for user channel
- af_unix: fix memory leak in unix_dgram_sendmsg()
- rxrpc:
- remove redundant peer->mtu_lock causing lockdep splats
- fix spinlock flavor issues with the peer record hash
- eth: iavf: fix circular lock dependency with netdev_lock
- net: use rtnl_net_dev_lock() in register_netdevice_notifier_dev_net()
RDMA driver register notifier after the device
Current release - new code bugs:
- ethtool: fix ioctl confusing drivers about desired HDS user config
- eth: ixgbe: fix media cage present detection for E610 device
Previous releases - regressions:
- loopback: avoid sending IP packets without an Ethernet header
- mptcp: reset connection when MPTCP opts are dropped after join
Previous releases - always broken:
- net: better track kernel sockets lifetime
- ipv6: fix dst ref loop on input in seg6 and rpl lw tunnels
- phy: qca807x: use right value from DTS for DAC_DSP_BIAS_CURRENT
- eth: enetc: number of error handling fixes
- dsa: rtl8366rb: reshuffle the code to fix config / build issue
with LED support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth.
We didn't get netfilter or wireless PRs this week, so next week's PR
is probably going to be bigger. A healthy dose of fixes for bugs
introduced in the current release nonetheless.
Current release - regressions:
- Bluetooth: always allow SCO packets for user channel
- af_unix: fix memory leak in unix_dgram_sendmsg()
- rxrpc:
- remove redundant peer->mtu_lock causing lockdep splats
- fix spinlock flavor issues with the peer record hash
- eth: iavf: fix circular lock dependency with netdev_lock
- net: use rtnl_net_dev_lock() in
register_netdevice_notifier_dev_net() RDMA driver register notifier
after the device
Current release - new code bugs:
- ethtool: fix ioctl confusing drivers about desired HDS user config
- eth: ixgbe: fix media cage present detection for E610 device
Previous releases - regressions:
- loopback: avoid sending IP packets without an Ethernet header
- mptcp: reset connection when MPTCP opts are dropped after join
Previous releases - always broken:
- net: better track kernel sockets lifetime
- ipv6: fix dst ref loop on input in seg6 and rpl lw tunnels
- phy: qca807x: use right value from DTS for DAC_DSP_BIAS_CURRENT
- eth: enetc: number of error handling fixes
- dsa: rtl8366rb: reshuffle the code to fix config / build issue with
LED support"
* tag 'net-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
net: ti: icss-iep: Reject perout generation request
idpf: fix checksums set in idpf_rx_rsc()
selftests: drv-net: Check if combined-count exists
net: ipv6: fix dst ref loop on input in rpl lwt
net: ipv6: fix dst ref loop on input in seg6 lwt
usbnet: gl620a: fix endpoint checking in genelink_bind()
net/mlx5: IRQ, Fix null string in debug print
net/mlx5: Restore missing trace event when enabling vport QoS
net/mlx5: Fix vport QoS cleanup on error
net: mvpp2: cls: Fixed Non IP flow, with vlan tag flow defination.
af_unix: Fix memory leak in unix_dgram_sendmsg()
net: Handle napi_schedule() calls from non-interrupt
net: Clear old fragment checksum value in napi_reuse_skb
gve: unlink old napi when stopping a queue using queue API
net: Use rtnl_net_dev_lock() in register_netdevice_notifier_dev_net().
tcp: Defer ts_recent changes until req is owned
net: enetc: fix the off-by-one issue in enetc_map_tx_tso_buffs()
net: enetc: remove the mm_lock from the ENETC v4 driver
net: enetc: add missing enetc4_link_deinit()
net: enetc: update UDP checksum when updating originTimestamp field
...
Tweak the logic that traverses the MOKVAR UEFI configuration table to
only unmap the entry header and map the next one if they don't live in
the same physical page.
Link: https://lore.kernel.org/all/8f085931-3e9d-4386-9209-1d6c95616327@uncooperative.org/
Tested-By: Peter Jones <pjones@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Currently, when validating the mokvar table, we (re)map the entire table
on each iteration of the loop, adding space as we discover new entries.
If the table grows over a certain size, this fails due to limitations of
early_memmap(), and we get a failure and traceback:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at mm/early_ioremap.c:139 __early_ioremap+0xef/0x220
...
Call Trace:
<TASK>
? __early_ioremap+0xef/0x220
? __warn.cold+0x93/0xfa
? __early_ioremap+0xef/0x220
? report_bug+0xff/0x140
? early_fixup_exception+0x5d/0xb0
? early_idt_handler_common+0x2f/0x3a
? __early_ioremap+0xef/0x220
? efi_mokvar_table_init+0xce/0x1d0
? setup_arch+0x864/0xc10
? start_kernel+0x6b/0xa10
? x86_64_start_reservations+0x24/0x30
? x86_64_start_kernel+0xed/0xf0
? common_startup_64+0x13e/0x141
</TASK>
---[ end trace 0000000000000000 ]---
mokvar: Failed to map EFI MOKvar config table pa=0x7c4c3000, size=265187.
Mapping the entire structure isn't actually necessary, as we don't ever
need more than one entry header mapped at once.
Changes efi_mokvar_table_init() to only map each entry header, not the
entire table, when determining the table size. Since we're not mapping
any data past the variable name, it also changes the code to enforce
that each variable name is NUL terminated, rather than attempting to
verify it in place.
Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
A collection of fixes. The only slightly large change is for ASoC
Cirrus codec, but that's still in a normal range.
All the rest are small device-specific fixes and should be fairly
safe to take.
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Merge tag 'sound-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of fixes. The only slightly large change is for ASoC
Cirrus codec, but that's still in a normal range. All the rest are
small device-specific fixes and should be fairly safe to take"
* tag 'sound-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Fix microphone regression on ASUS N705UD
ALSA: hda/realtek: Fix wrong mic setup for ASUS VivoBook 15
ASoC: cs35l56: Prevent races when soft-resetting using SPI control
firmware: cs_dsp: Remove async regmap writes
ASoC: Intel: sof_sdw: warn both sdw and pch dmic are used
ASoC: SOF: Intel: don't check number of sdw links when set dmic_fixup
ASoC: dapm-graph: set fill colour of turned on nodes
ASoC: fsl: Rename stream name of SAI DAI driver
ASoC: es8328: fix route from DAC to output
ALSA: usb-audio: Re-add sample rate quirk for Pioneer DJM-900NXS2
ASoC: tas2764: Set the SDOUT polarity correctly
ASoC: tas2764: Fix power control mask
ALSA: usb-audio: Avoid dropping MIDI events at closing multiple ports
ASoC: tas2770: Fix volume scale
IEP driver supports both perout and pps signal generation
but perout feature is faulty with half-cooked support
due to some missing configuration. Remove perout
support from the driver and reject perout requests with
"not supported" error code.
Fixes: c1e0230eea ("net: ti: icss-iep: Add IEP driver")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250227092441.1848419-1-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some drivers, like tg3, do not set combined-count:
$ ethtool -l enp4s0f1
Channel parameters for enp4s0f1:
Pre-set maximums:
RX: 4
TX: 4
Other: n/a
Combined: n/a
Current hardware settings:
RX: 4
TX: 1
Other: n/a
Combined: n/a
In the case where combined-count is not set, the ethtool netlink code
in the kernel elides the value and the code in the test:
netnl.channels_get(...)
With a tg3 device, the returned dictionary looks like:
{'header': {'dev-index': 3, 'dev-name': 'enp4s0f1'},
'rx-max': 4,
'rx-count': 4,
'tx-max': 4,
'tx-count': 1}
Note that the key 'combined-count' is missing. As a result of this
missing key the test raises an exception:
# Exception| if channels['combined-count'] == 0:
# Exception| ~~~~~~~~^^^^^^^^^^^^^^^^^^
# Exception| KeyError: 'combined-count'
Change the test to check if 'combined-count' is a key in the dictionary
first and if not assume that this means the driver has separate RX and
TX queues.
With this change, the test now passes successfully on tg3 and mlx5
(which does have a 'combined-count').
Fixes: 1cf2704242 ("net: selftest: add test for netdev netlink queue-get API")
Signed-off-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250226181957.212189-1-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Temporarily allow the creation of zero length files in efivarfs so the
'fwupd' user space firmware update tool can continue to operate. This
hack should be reverted as soon as the fwupd mechanisms for updating
firmware have been fixed.
fwupd has been coded to open a firmware file, close it, remove the
immutable bit and write to it. Since commit 908af31f48 ("efivarfs:
fix error on write to new variable leaving remnants") this behaviour
results in the first close removing the file which causes the second
write to fail. To allow fwupd to keep working code up an indicator of
size 1 if a write fails and only remove the file on that condition (so
create at zero size is allowed).
Tested-by: Richard Hughes <richard@hughsie.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[ardb: replace LVFS with fwupd, as suggested by Richard]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
DMA areas are not necessarily backed by struct page, so we cannot
rely on it for deferred I/O. Allocate a shadow buffer for drivers
that require deferred I/O and use it as framebuffer memory.
Fixes driver errors about being "Unable to handle kernel NULL pointer
dereference at virtual address" or "Unable to handle kernel paging
request at virtual address".
The patch splits drm_fbdev_dma_driver_fbdev_probe() in an initial
allocation, which creates the DMA-backed buffer object, and a tail
that sets up the fbdev data structures. There is a tail function for
direct memory mappings and a tail function for deferred I/O with
the shadow buffer.
It is no longer possible to use deferred I/O without shadow buffer.
It can be re-added if there exists a reliably test for usable struct
page in the allocated DMA-backed buffer object.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: Nuno Gonçalves <nunojpg@gmail.com>
CLoses: https://lore.kernel.org/dri-devel/CAEXMXLR55DziAMbv_+2hmLeH-jP96pmit6nhs6siB22cpQFr9w@mail.gmail.com/
Tested-by: Nuno Gonçalves <nunojpg@gmail.com>
Fixes: 5ab91447aa ("drm/tiny/ili9225: Use fbdev-dma")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: <stable@vger.kernel.org> # v6.11+
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211090643.74250-1-tzimmermann@suse.de
Tariq Toukan says:
====================
mlx5 misc fixes 2025-02-25
This small patchset provides misc bug fixes from the team to the mlx5
core driver.
====================
Link: https://patch.msgid.link/20250225072608.526866-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
irq_pool_alloc() debug print can print a null string.
Fix it by providing a default string to print.
Fixes: 71e084e264 ("net/mlx5: Allocating a pool of MSI-X vectors for SFs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501141055.SwfIphN0-lkp@intel.com/
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250225072608.526866-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Restore the `trace_mlx5_esw_vport_qos_create` event when creating
the vport scheduling element. This trace event was lost during
refactoring.
Fixes: be034baba8 ("net/mlx5: Make vport QoS enablement more flexible for future extensions")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250225072608.526866-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When enabling vport QoS fails, the scheduling node was never freed,
causing a leak.
Add the missing free and reset the vport scheduling node pointer to
NULL.
Fixes: be034baba8 ("net/mlx5: Make vport QoS enablement more flexible for future extensions")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250225072608.526866-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Non IP flow, with vlan tag not working as expected while
running below command for vlan-priority. fixed that.
ethtool -N eth1 flow-type ether vlan 0x8000 vlan-mask 0x1fff action 0 loc 0
Fixes: 1274daede3 ("net: mvpp2: cls: Add steering based on vlan Id and priority.")
Signed-off-by: Harshal Chaudhari <hchaudhari@marvell.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250225042058.2643838-1-hchaudhari@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After running the 'sendmsg02' program of Linux Test Project (LTP),
kmemleak reports the following memory leak:
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888243866800 (size 2048):
comm "sendmsg02", pid 67, jiffies 4294903166
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 5e 00 00 00 00 00 00 00 ........^.......
01 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............
backtrace (crc 7e96a3f2):
kmemleak_alloc+0x56/0x90
kmem_cache_alloc_noprof+0x209/0x450
sk_prot_alloc.constprop.0+0x60/0x160
sk_alloc+0x32/0xc0
unix_create1+0x67/0x2b0
unix_create+0x47/0xa0
__sock_create+0x12e/0x200
__sys_socket+0x6d/0x100
__x64_sys_socket+0x1b/0x30
x64_sys_call+0x7e1/0x2140
do_syscall_64+0x54/0x110
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Commit 689c398885 ("af_unix: Defer sock_put() to clean up path in
unix_dgram_sendmsg().") defers sock_put() in the error handling path.
However, it fails to account for the condition 'msg->msg_namelen != 0',
resulting in a memory leak when the code jumps to the 'lookup' label.
Fix issue by calling sock_put() if 'msg->msg_namelen != 0' is met.
Fixes: 689c398885 ("af_unix: Defer sock_put() to clean up path in unix_dgram_sendmsg().")
Signed-off-by: Adrian Huang <ahuang12@lenovo.com>
Acked-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250225021457.1824-1-ahuang12@lenovo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
napi_schedule() is expected to be called either:
* From an interrupt, where raised softirqs are handled on IRQ exit
* From a softirq disabled section, where raised softirqs are handled on
the next call to local_bh_enable().
* From a softirq handler, where raised softirqs are handled on the next
round in do_softirq(), or further deferred to a dedicated kthread.
Other bare tasks context may end up ignoring the raised NET_RX vector
until the next random softirq handling opportunity, which may not
happen before a while if the CPU goes idle afterwards with the tick
stopped.
Such "misuses" have been detected on several places thanks to messages
of the kind:
"NOHZ tick-stop error: local softirq work is pending, handler #08!!!"
For example:
__raise_softirq_irqoff
__napi_schedule
rtl8152_runtime_resume.isra.0
rtl8152_resume
usb_resume_interface.isra.0
usb_resume_both
__rpm_callback
rpm_callback
rpm_resume
__pm_runtime_resume
usb_autoresume_device
usb_remote_wakeup
hub_event
process_one_work
worker_thread
kthread
ret_from_fork
ret_from_fork_asm
And also:
* drivers/net/usb/r8152.c::rtl_work_func_t
* drivers/net/netdevsim/netdev.c::nsim_start_xmit
There is a long history of issues of this kind:
019edd01d1 ("ath10k: sdio: Add missing BH locking around napi_schdule()")
3300685893 ("idpf: disable local BH when scheduling napi for marker packets")
e3d5d70cb4 ("net: lan78xx: fix "softirq work is pending" error")
e55c27ed9c ("mt76: mt7615: add missing bh-disable around rx napi schedule")
c0182aa985 ("mt76: mt7915: add missing bh-disable around tx napi enable/schedule")
970be1dff2 ("mt76: disable BH around napi_schedule() calls")
019edd01d1 ("ath10k: sdio: Add missing BH locking around napi_schdule()")
30bfec4fec ("can: rx-offload: can_rx_offload_threaded_irq_finish(): add new function to be called from threaded interrupt")
e63052a5dd ("mlx5e: add add missing BH locking around napi_schdule()")
83a0c6e589 ("i40e: Invoke softirqs after napi_reschedule")
bd4ce941c8 ("mlx4: Invoke softirqs after napi_reschedule")
8cf699ec84 ("mlx4: do not call napi_schedule() without care")
ec13ee8014 ("virtio_net: invoke softirqs after __napi_schedule")
This shows that relying on the caller to arrange a proper context for
the softirqs to be handled while calling napi_schedule() is very fragile
and error prone. Also fixing them can also prove challenging if the
caller may be called from different kinds of contexts.
Therefore fix this from napi_schedule() itself with waking up ksoftirqd
when softirqs are raised from task contexts.
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reported-by: Jakub Kicinski <kuba@kernel.org>
Reported-by: Francois Romieu <romieu@fr.zoreil.com>
Closes: https://lore.kernel.org/lkml/354a2690-9bbf-4ccb-8769-fa94707a9340@molgen.mpg.de/
Cc: Breno Leitao <leitao@debian.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250223221708.27130-1-frederic@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In certain cases, napi_get_frags() returns an skb that points to an old
received fragment, This skb may have its skb->ip_summed, csum, and other
fields set from previous fragment handling.
Some network drivers set skb->ip_summed to either CHECKSUM_COMPLETE or
CHECKSUM_UNNECESSARY when getting skb from napi_get_frags(), while
others only set skb->ip_summed when RX checksum offload is enabled on
the device, and do not set any value for skb->ip_summed when hardware
checksum offload is disabled, assuming that the skb->ip_summed
initiated to zero by napi_reuse_skb, ionic driver for example will
ignore/unset any value for the ip_summed filed if HW checksum offload is
disabled, and if we have a situation where the user disables the
checksum offload during a traffic that could lead to the following
errors shown in the kernel logs:
<IRQ>
dump_stack_lvl+0x34/0x48
__skb_gro_checksum_complete+0x7e/0x90
tcp6_gro_receive+0xc6/0x190
ipv6_gro_receive+0x1ec/0x430
dev_gro_receive+0x188/0x360
? ionic_rx_clean+0x25a/0x460 [ionic]
napi_gro_frags+0x13c/0x300
? __pfx_ionic_rx_service+0x10/0x10 [ionic]
ionic_rx_service+0x67/0x80 [ionic]
ionic_cq_service+0x58/0x90 [ionic]
ionic_txrx_napi+0x64/0x1b0 [ionic]
__napi_poll+0x27/0x170
net_rx_action+0x29c/0x370
handle_softirqs+0xce/0x270
__irq_exit_rcu+0xa3/0xc0
common_interrupt+0x80/0xa0
</IRQ>
This inconsistency sometimes leads to checksum validation issues in the
upper layers of the network stack.
To resolve this, this patch clears the skb->ip_summed value for each
reused skb in by napi_reuse_skb(), ensuring that the caller is responsible
for setting the correct checksum status. This eliminates potential
checksum validation issues caused by improper handling of
skb->ip_summed.
Fixes: 76620aafd6 ("gro: New frags interface to avoid copying shinfo")
Signed-off-by: Mohammad Heib <mheib@redhat.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250225112852.2507709-1-mheib@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When a queue is stopped using the ndo queue API, before
destroying its page pool, the associated NAPI instance
needs to be unlinked to avoid warnings.
Handle this by calling page_pool_disable_direct_recycling()
when stopping a queue.
Cc: stable@vger.kernel.org
Fixes: ebdfae0d37 ("gve: adopt page pool for DQ RDA mode")
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Signed-off-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250226003526.1546854-1-hramamurthy@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Couple small ones, the main user visible changes/fixes are:
- Fix a bug where truncate would rarely fail and return 1
- Revert the directory i_size code: this turned out to have a number of
issues that weren't noticed because the fsck code wasn't correctly
reporting errors (ouch), and we're late enough in the cycle that it
can just wait until 6.15.
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Merge tag 'bcachefs-2025-02-26' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"A couple small ones, the main user visible changes/fixes are:
- Fix a bug where truncate would rarely fail and return 1
- Revert the directory i_size code: this turned out to have a number
of issues that weren't noticed because the fsck code wasn't
correctly reporting errors (ouch), and we're late enough in the
cycle that it can just wait until 6.15"
* tag 'bcachefs-2025-02-26' of git://evilpiepirate.org/bcachefs:
bcachefs: Fix truncate sometimes failing and returning 1
bcachefs: Fix deadlock
bcachefs: Check for -BCH_ERR_open_buckets_empty in journal resize
bcachefs: Revert directory i_size
bcachefs: fix bch2_extent_ptr_eq()
bcachefs: Fix memmove when move keys down
bcachefs: print op->nonce on data update inconsistency
__bch_truncate_folio() may return 1 to indicate dirtyness of the folio
being truncated, needed for fpunch to get the i_size writes correct.
But truncate was forgetting to clear ret, and sometimes returning it as
an error.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This turned out to have several bugs, which were missed because the fsck
code wasn't properly reporting errors - whoops.
Kicking it out for now, hopefully it can make 6.15.
Cc: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Small ufs fixes and a core change to clear the command private area on
every retry (which fixes a reported bug in virtio_scsi)
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.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:
"Small ufs fixes and a core change to clear the command private area on
every retry (which fixes a reported bug in virtio_scsi)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: bsg: Fix crash when arpmb command fails
scsi: ufs: core: Set default runtime/system PM levels before ufshcd_hba_init()
scsi: core: Clear driver private data when retrying request
scsi: ufs: core: Fix ufshcd_is_ufs_dev_busy() and ufshcd_eh_timed_out()
This contains a patch improve debug visibility. While it isn't a fix, the
change carries virtually no risk and makes it substantially easier to chase
down a class of problems.
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Merge tag 'wq-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue update from Tejun Heo:
"This contains a patch improve debug visibility.
While it isn't a fix, the change carries virtually no risk and makes
it substantially easier to chase down a class of problems"
* tag 'wq-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Log additional details when rejecting work
pick_task_scx() has a workaround to avoid stalling when the fair class's
balance() says yes but pick_task() says no. The workaround was incorrectly
deciding to keep the prev taks running if the task is on SCX even when the
task is in a sleeping state, which can lead to several confusing failure
modes. Fix it by testing the prev task is currently queued on SCX instead.
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Merge tag 'sched_ext-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fix from Tejun Heo:
"pick_task_scx() has a workaround to avoid stalling when the fair
class's balance() says yes but pick_task() says no.
The workaround was incorrectly deciding to keep the prev taks running
if the task is on SCX even when the task is in a sleeping state, which
can lead to several confusing failure modes.
Fix it by testing the prev task is currently queued on SCX instead"
* tag 'sched_ext-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance()
Stable Fixes:
* O_DIRECT writes should adjust file length
Other Bugfixes:
* Adjust delegated timestamps for O_DIRECT reads and writes
* Prevent looping due to rpc_signal_task() races
* Fix a deadlock when recovering state on a sillyrenamed file
* Properly handle -ETIMEDOUT errors from tlshd
* Suppress build warnings for unused procfs functions
* Fix memory leak of lsm_contexts
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Merge tag 'nfs-for-6.14-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fixes:
- O_DIRECT writes should adjust file length
Other Bugfixes:
- Adjust delegated timestamps for O_DIRECT reads and writes
- Prevent looping due to rpc_signal_task() races
- Fix a deadlock when recovering state on a sillyrenamed file
- Properly handle -ETIMEDOUT errors from tlshd
- Suppress build warnings for unused procfs functions
- Fix memory leak of lsm_contexts"
* tag 'nfs-for-6.14-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
lsm,nfs: fix memory leak of lsm_context
sunrpc: suppress warnings for unused procfs functions
SUNRPC: Handle -ETIMEDOUT return from tlshd
NFSv4: Fix a deadlock when recovering state on a sillyrenamed file
SUNRPC: Prevent looping due to rpc_signal_task() races
NFS: Adjust delegated timestamps for O_DIRECT reads and writes
NFS: O_DIRECT writes must check and adjust the file length
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Merge tag 'landlock-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fixes from Mickaël Salaün:
"Fixes to TCP socket identification, documentation, and tests"
* tag 'landlock-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add binaries to .gitignore
selftests/landlock: Test that MPTCP actions are not restricted
selftests/landlock: Test TCP accesses with protocol=IPPROTO_TCP
landlock: Fix non-TCP sockets restriction
landlock: Minor typo and grammar fixes in IPC scoping documentation
landlock: Fix grammar error
selftests/landlock: Enable the new CONFIG_AF_UNIX_OOB
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Merge tag 'integrity-v6.14-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity fixes from Mimi Zohar:
"One bugfix and one spelling cleanup. The bug fix restores a
performance improvement"
* tag 'integrity-v6.14-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: Reset IMA_NONACTION_RULE_FLAGS after post_setattr
integrity: fix typos and spelling errors
More driver specific fixes, the firmware change is part of fixing the
race conditions in the Cirrus driver.
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Merge tag 'asoc-fix-v6.14-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.14
More driver specific fixes, the firmware change is part of fixing the
race conditions in the Cirrus driver.
This fixes a regression introduced a few weeks ago in stable kernels
6.12.14 and 6.13.3. The internal microphone on ASUS Vivobook N705UD /
X705UD laptops is broken: the microphone appears in userspace (e.g.
Gnome settings) but no sound is detected.
I bisected it to commit 3b4309546b ("ALSA: hda: Fix headset detection
failure due to unstable sort").
I figured out the cause:
1. The initial pins enabled for the ALC256 driver are:
cfg->inputs == {
{ pin=0x19, type=AUTO_PIN_MIC,
is_headset_mic=1, is_headphone_mic=0, has_boost_on_pin=1 },
{ pin=0x1a, type=AUTO_PIN_MIC,
is_headset_mic=0, is_headphone_mic=0, has_boost_on_pin=1 } }
2. Since 2017 and commits c1732ede5e ("ALSA: hda/realtek - Fix headset
and mic on several ASUS laptops with ALC256") and 28e8af8a16 ("ALSA:
hda/realtek: Fix mic and headset jack sense on ASUS X705UD"), the
quirk ALC256_FIXUP_ASUS_MIC is also applied to ASUS X705UD / N705UD
laptops.
This added another internal microphone on pin 0x13:
cfg->inputs == {
{ pin=0x13, type=AUTO_PIN_MIC,
is_headset_mic=0, is_headphone_mic=0, has_boost_on_pin=1 },
{ pin=0x19, type=AUTO_PIN_MIC,
is_headset_mic=1, is_headphone_mic=0, has_boost_on_pin=1 },
{ pin=0x1a, type=AUTO_PIN_MIC,
is_headset_mic=0, is_headphone_mic=0, has_boost_on_pin=1 } }
I don't know what this pin 0x13 corresponds to. To the best of my
knowledge, these laptops have only one internal microphone.
3. Before 2025 and commit 3b4309546b ("ALSA: hda: Fix headset
detection failure due to unstable sort"), the sort function would let
the microphone of pin 0x1a (the working one) *before* the microphone
of pin 0x13 (the phantom one).
4. After this commit 3b4309546b, the fixed sort function puts the
working microphone (pin 0x1a) *after* the phantom one (pin 0x13). As
a result, no sound is detected anymore.
It looks like the quirk ALC256_FIXUP_ASUS_MIC is not needed anymore for
ASUS Vivobook X705UD / N705UD laptops. Without it, everything works
fine:
- the internal microphone is detected and records actual sound,
- plugging in a jack headset is detected and can record actual sound
with it,
- unplugging the jack headset makes the system go back to internal
microphone and can record actual sound.
Cc: stable@vger.kernel.org
Cc: Kuan-Wei Chiu <visitorckw@gmail.com>
Cc: Chris Chiu <chris.chiu@canonical.com>
Fixes: 3b4309546b ("ALSA: hda: Fix headset detection failure due to unstable sort")
Tested-by: Adrien Vergé <adrienverge@gmail.com>
Signed-off-by: Adrien Vergé <adrienverge@gmail.com>
Link: https://patch.msgid.link/20250226135515.24219-1-adrienverge@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The encoder HW/SW state verification should use a SW state which stays
unchanged while the encoder/output is active. The intel_dp::is_mst flag
used during state computation to choose between the DP SST/MST modes can
change while the output is active, if the sink gets disconnected or the
MST topology is removed for another reason. A subsequent state
verification using intel_dp::is_mst leads then to a mismatch if the
output is disabled/re-enabled without recomputing its state.
Use the encoder's active MST link count instead, which will be always
non-zero for an active MST output and will be zero for SST.
Fixes: 35d2e4b756 ("drm/i915/ddi: start distinguishing 128b/132b SST and MST at state readout")
Fixes: 40d489fac0 ("drm/i915/ddi: handle 128b/132b SST in intel_ddi_read_func_ctl()")
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250224093242.1859583-1-imre.deak@intel.com
(cherry picked from commit 0159e31177)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The async call to __guc_exec_queue_fini_async frees the scheduler
while a submission may time out and restart. To prevent this race
condition, the pending job timer should be canceled before freeing
the scheduler.
V3(MattB):
- Adjust position of cancel pending job
- Remove gitlab issue# from commit message
V2(MattB):
- Cancel pending jobs before scheduler finish
Fixes: a20c75dba1 ("drm/xe: Call __guc_exec_queue_fini_async direct for KERNEL exec_queues")
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250225045754.600905-1-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
(cherry picked from commit 18fbd567e7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Commit b79e8fd954 ("drm/xe: Remove dependency on intel_engine_regs.h")
introduced an internal set of engine registers, however, as part of this
change, it has also introduced two duplicate `define' lines for
`RING_CTL_SIZE(size)'. This commit was introduced to the tree in v6.8-rc1.
While this is harmless as the definitions did not change, so no compiler
warning was observed.
Drop this line anyway for the sake of correctness.
Cc: stable@vger.kernel.org # v6.8-rc1+
Fixes: b79e8fd954 ("drm/xe: Remove dependency on intel_engine_regs.h")
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250225073104.865230-1-jeffbai@aosc.io
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 6b68c4542f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
drivers/gpu/drm/imagination/ includes local headers with the double-quote
form (#include "...").
Hence, the header search path addition is unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Matt Coster <matt.coster@imgtec.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250210102352.1517115-1-masahiroy@kernel.org
Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Recently a bug was discovered where the server had entered TCP_ESTABLISHED
state, but the upper layers were not notified.
The same 5-tuple packet may be processed by different CPUSs, so two
CPUs may receive different ack packets at the same time when the
state is TCP_NEW_SYN_RECV.
In that case, req->ts_recent in tcp_check_req may be changed concurrently,
which will probably cause the newsk's ts_recent to be incorrectly large.
So that tcp_validate_incoming will fail. At this point, newsk will not be
able to enter the TCP_ESTABLISHED.
cpu1 cpu2
tcp_check_req
tcp_check_req
req->ts_recent = rcv_tsval = t1
req->ts_recent = rcv_tsval = t2
syn_recv_sock
tcp_sk(child)->rx_opt.ts_recent = req->ts_recent = t2 // t1 < t2
tcp_child_process
tcp_rcv_state_process
tcp_validate_incoming
tcp_paws_check
if ((s32)(rx_opt->ts_recent - rx_opt->rcv_tsval) <= paws_win)
// t2 - t1 > paws_win, failed
tcp_v4_do_rcv
tcp_rcv_state_process
// TCP_ESTABLISHED
The cpu2's skb or a newly received skb will call tcp_v4_do_rcv to get
the newsk into the TCP_ESTABLISHED state, but at this point it is no
longer possible to notify the upper layer application. A notification
mechanism could be added here, but the fix is more complex, so the
current fix is used.
In tcp_check_req, req->ts_recent is used to assign a value to
tcp_sk(child)->rx_opt.ts_recent, so removing the change in req->ts_recent
and changing tcp_sk(child)->rx_opt.ts_recent directly after owning the
req fixes this bug.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix for cross-reference in documentation and deprecation warning
Thanks to: Andrew Donnellan, Bagas Sanjaya
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Merge tag 'powerpc-6.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Madhavan Srinivasan:
- Fix for cross-reference in documentation and deprecation warning
Thanks to Andrew Donnellan and Bagas Sanjaya.
* tag 'powerpc-6.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
cxl: Fix cross-reference in documentation and add deprecation warning
