Fix a potential buffer overrun issue introduced by the preceding fix for
EFI boot services region reservations on x86
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Merge tag 'efi-fixes-for-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Fix a potential buffer overrun issue introduced by the previous fix
for EFI boot services region reservations on x86"
* tag 'efi-fixes-for-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efi: efi_unmap_boot_services: fix calculation of ranges_to_free size
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Merge tag 'io_uring-7.0-20260327' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
"Just two small fixes, both fixing regressions added in the fdinfo code
in 6.19 with the SQE mixed size support"
* tag 'io_uring-7.0-20260327' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/fdinfo: fix OOB read in SQE_MIXED wrap check
io_uring/fdinfo: fix SQE_MIXED SQE displaying
Adjust KVM's sanity check against overwriting a shadow-present SPTE with a
another SPTE with a different target PFN to only apply to direct MMUs,
i.e. only to MMUs without shadowed gPTEs. While it's impossible for KVM
to overwrite a shadow-present SPTE in response to a guest write, writes
from outside the scope of KVM, e.g. from host userspace, aren't detected
by KVM's write tracking and so can break KVM's shadow paging rules.
------------[ cut here ]------------
pfn != spte_to_pfn(*sptep)
WARNING: arch/x86/kvm/mmu/mmu.c:3069 at mmu_set_spte+0x1e4/0x440 [kvm], CPU#0: vmx_ept_stale_r/872
Modules linked in: kvm_intel kvm irqbypass
CPU: 0 UID: 1000 PID: 872 Comm: vmx_ept_stale_r Not tainted 7.0.0-rc2-eafebd2d2ab0-sink-vm #319 PREEMPT
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:mmu_set_spte+0x1e4/0x440 [kvm]
Call Trace:
<TASK>
ept_page_fault+0x535/0x7f0 [kvm]
kvm_mmu_do_page_fault+0xee/0x1f0 [kvm]
kvm_mmu_page_fault+0x8d/0x620 [kvm]
vmx_handle_exit+0x18c/0x5a0 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0xc55/0x1c20 [kvm]
kvm_vcpu_ioctl+0x2d5/0x980 [kvm]
__x64_sys_ioctl+0x8a/0xd0
do_syscall_64+0xb5/0x730
entry_SYSCALL_64_after_hwframe+0x4b/0x53
</TASK>
---[ end trace 0000000000000000 ]---
Fixes: 11d4517511 ("KVM: x86/mmu: Warn if PFN changes on shadow-present SPTE in shadow MMU")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
When installing an emulated MMIO SPTE, do so *after* dropping/zapping the
existing SPTE (if it's shadow-present). While commit a54aa15c6b was
right about it being impossible to convert a shadow-present SPTE to an
MMIO SPTE due to a _guest_ write, it failed to account for writes to guest
memory that are outside the scope of KVM.
E.g. if host userspace modifies a shadowed gPTE to switch from a memslot
to emulted MMIO and then the guest hits a relevant page fault, KVM will
install the MMIO SPTE without first zapping the shadow-present SPTE.
------------[ cut here ]------------
is_shadow_present_pte(*sptep)
WARNING: arch/x86/kvm/mmu/mmu.c:484 at mark_mmio_spte+0xb2/0xc0 [kvm], CPU#0: vmx_ept_stale_r/4292
Modules linked in: kvm_intel kvm irqbypass
CPU: 0 UID: 1000 PID: 4292 Comm: vmx_ept_stale_r Not tainted 7.0.0-rc2-eafebd2d2ab0-sink-vm #319 PREEMPT
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:mark_mmio_spte+0xb2/0xc0 [kvm]
Call Trace:
<TASK>
mmu_set_spte+0x237/0x440 [kvm]
ept_page_fault+0x535/0x7f0 [kvm]
kvm_mmu_do_page_fault+0xee/0x1f0 [kvm]
kvm_mmu_page_fault+0x8d/0x620 [kvm]
vmx_handle_exit+0x18c/0x5a0 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0xc55/0x1c20 [kvm]
kvm_vcpu_ioctl+0x2d5/0x980 [kvm]
__x64_sys_ioctl+0x8a/0xd0
do_syscall_64+0xb5/0x730
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x47fa3f
</TASK>
---[ end trace 0000000000000000 ]---
Reported-by: Alexander Bulekov <bkov@amazon.com>
Debugged-by: Alexander Bulekov <bkov@amazon.com>
Suggested-by: Fred Griffoul <fgriffo@amazon.co.uk>
Fixes: a54aa15c6b ("KVM: x86/mmu: Handle MMIO SPTEs directly in mmu_set_spte()")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Lots of small and not-so-small fixes for the newly rewritten gmap,
mostly affecting the handling of nested guests.
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Merge tag 'kvm-s390-master-7.0-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: s390: More memory management fixes
Lots of small and not-so-small fixes for the newly rewritten gmap,
mostly affecting the handling of nested guests.
- Quite a few irdma bug fixes, several user triggerable
- Fix a 0 SMAC header in ionic
- Tolerate FW errors for RAAS in bng_re
- Don't UAF in efa when printing error events
- Better handle pool exhaustion in the new bvec paths
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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:
- Quite a few irdma bug fixes, several user triggerable
- Fix a 0 SMAC header in ionic
- Tolerate FW errors for RAAS in bng_re
- Don't UAF in efa when printing error events
- Better handle pool exhaustion in the new bvec paths
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/irdma: Harden depth calculation functions
RDMA/irdma: Return EINVAL for invalid arp index error
RDMA/irdma: Fix deadlock during netdev reset with active connections
RDMA/irdma: Remove reset check from irdma_modify_qp_to_err()
RDMA/irdma: Clean up unnecessary dereference of event->cm_node
RDMA/irdma: Remove a NOP wait_event() in irdma_modify_qp_roce()
RDMA/irdma: Update ibqp state to error if QP is already in error state
RDMA/irdma: Initialize free_qp completion before using it
RDMA/efa: Fix possible deadlock
RDMA/rw: Fix MR pool exhaustion in bvec RDMA READ path
RDMA/rw: Fall back to direct SGE on MR pool exhaustion
RDMA/efa: Fix use of completion ctx after free
RDMA/bng_re: Fix silent failure in HWRM version query
RDMA/ionic: Preserve and set Ethernet source MAC after ib_ud_header_init()
RDMA/irdma: Fix double free related to rereg_user_mr
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Merge tag 'pci-v7.0-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Remove power-off from pwrctrl drivers since this is now done directly
by the PCI controller drivers (Chen-Yu Tsai)
- Fix pwrctrl device node leak (Felix Gu)
- Document a TLP header decoder for AER log messages (Lukas Wunner)
* tag 'pci-v7.0-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Documentation: PCI: Document PCIe TLP Header decoder for AER messages
PCI/pwrctrl: Fix pci_pwrctrl_is_required() device node leak
PCI/pwrctrl: Do not power off on pwrctrl device removal
This became a slightly big PR partly due to my time off in the last
week. But all changes are about device-specific fixes, so it should
be safely applicable.
* ASoC:
- Fix double free in sma1307
- Fix uninitialized variables in simple-card-utils/imx-card
- Address clock leaks and error propagation in ADAU1372
- Add DMI quirks and ACP/SDW support for ASUS
- Fix Intel CATPT DMA mask
- Fix SOF topology parsing
- Fix DT bindings for RK3576 SPDIF, STM32 SAI and WCD934x
* HD-audio:
- Quirks for Lenovo, ASUS, and various HP models, as well as speaker
pop fix on Star Labs StarFighter.
- Revert MSI X870E Tomahawk denylist again.
* USB-Audio:
- Fix distorted audio on Focusrite Scarlett 2i2/2i4 1st Gen
- Add iface reset quirk for AB17X
- Update Qualcomm USB audio Kconfig dependencies and license
* Misc:
- Fix minor compile warnings for firewire and asihpi drivers
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Merge tag 'sound-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became slightly big partly due to my time off in the last week.
But all changes are about device-specific fixes, so it should be
safely applicable.
ASoC:
- Fix double free in sma1307
- Fix uninitialized variables in simple-card-utils/imx-card
- Address clock leaks and error propagation in ADAU1372
- Add DMI quirks and ACP/SDW support for ASUS
- Fix Intel CATPT DMA mask
- Fix SOF topology parsing
- Fix DT bindings for RK3576 SPDIF, STM32 SAI and WCD934x
HD-audio:
- Quirks for Lenovo, ASUS, and various HP models, as well as
a speaker pop fix on Star Labs StarFighter
- Revert MSI X870E Tomahawk denylist again
USB-Audio:
- Fix distorted audio on Focusrite Scarlett 2i2/2i4 1st Gen
- Add iface reset quirk for AB17X
- Update Qualcomm USB audio Kconfig dependencies and license
Misc:
- Fix minor compile warnings for firewire and asihpi drivers"
* tag 'sound-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (35 commits)
Revert "ALSA: hda/intel: Add MSI X870E Tomahawk to denylist"
ALSA: usb-audio: Add iface reset and delay quirk for AB17X USB Audio
ALSA: hda/realtek: add HP Laptop 15-fd0xxx mute LED quirk
ALSA: usb-audio: Exclude Scarlett 2i4 1st Gen from SKIP_IFACE_SETUP
ALSA: hda/realtek: Add mute LED quirk for HP Pavilion 15-eg0xxx
ALSA: hda/realtek - Fixed Speaker Mute LED for HP EliteBoard G1a platform
ASoC: SOF: ipc4-topology: Allow bytes controls without initial payload
ASoC: adau1372: Fix clock leak on PLL lock failure
ASoC: adau1372: Fix unchecked clk_prepare_enable() return value
ASoC: SDCA: fix finding wrong entity
ASoC: SDCA: remove the max count of initialization table
ASoC: codecs: wcd934x: fix typo in dt parsing
ASoC: dt-bindings: stm32: Fix incorrect compatible string in stm32h7-sai match
ASoC: Intel: catpt: Fix the device initialization
ASoC: amd: acp: add ASUS HN7306EA quirk for legacy SDW machine
ASoC: SOF: topology: reject invalid vendor array size in token parser
ASoC: tas2781: Add null check for calibration data
ALSA: asihpi: avoid write overflow check warning
ASoC: fsl: imx-card: initialize playback_only and capture_only
ASoC: simple-card-utils: Check value of is_playback_only and is_capture_only
...
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Merge tag 'media/v7.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- uvcvideo may cause OOPS when out of memory
- remove a deadlock in the ccs driver
* tag 'media/v7.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: ccs: Avoid deadlock in ccs_init_state()
media: uvcvideo: Fix bug in error path of uvc_alloc_urb_buffers
* Fix uninitialized variable error when writing to a sysctl bitmap
Removed the possibility of returning an unjustified -EINVAL when writing to a
sysctl bitmap
* Testing
Quickly passed through linux-next.
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Merge tag 'sysctl-7.00-fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl fix from Joel Granados:
"Fix uninitialized variable error when writing to a sysctl bitmap
Removed the possibility of returning an unjustified -EINVAL when
writing to a sysctl bitmap"
* tag 'sysctl-7.00-fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
sysctl: fix uninitialized variable in proc_do_large_bitmap
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-7.0-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"This includes a few important bug fixes, and some code refactoring
that was necessary for one of the fixes"
* tag 'xfs-fixes-7.0-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove file_path tracepoint data
xfs: don't irele after failing to iget in xfs_attri_recover_work
xfs: remove redundant validation in xlog_recover_attri_commit_pass2
xfs: fix ri_total validation in xlog_recover_attri_commit_pass2
xfs: close crash window in attr dabtree inactivation
xfs: factor out xfs_attr3_leaf_init
xfs: factor out xfs_attr3_node_entry_remove
xfs: only assert new size for datafork during truncate extents
xfs: annotate struct xfs_attr_list_context with __counted_by_ptr
xfs: cleanup buftarg handling in XFS_IOC_VERIFY_MEDIA
xfs: scrub: unlock dquot before early return in quota scrub
xfs: refactor xfsaild_push loop into helper
xfs: save ailp before dropping the AIL lock in push callbacks
xfs: avoid dereferencing log items after push callbacks
xfs: stop reclaim before pushing AIL during unmount
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Merge tag 'v7.0-rc5-ksmbd-srv-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Fix out of bounds write
- Fix for better calculating max output buffers
- Fix memory leaks in SMB2/SMB3 lock
- Fix use after free
- Multichannel fix
* tag 'v7.0-rc5-ksmbd-srv-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix potencial OOB in get_file_all_info() for compound requests
ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()
ksmbd: fix memory leaks and NULL deref in smb2_lock()
ksmbd: fix use-after-free and NULL deref in smb_grant_oplock()
ksmbd: do not expire session on binding failure
designware: fix resume-probe race causing NULL-deref in amdisp
imx: fix timeout on repeated reads and extra clock at end
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Merge tag 'i2c-host-fixes-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-fixes for v7.0-rc6
designware: fix resume-probe race causing NULL-deref in amdisp
imx: fix timeout on repeated reads and extra clock at end
Identified resume-probe race condition in kernel v7.0 with the commit
38fa29b01a ("i2c: designware: Combine the init functions"),but this
issue existed from the beginning though not detected.
The amdisp i2c device requires ISP to be in power-on state for probe
to succeed. To meet this requirement, this device is added to genpd
to control ISP power using runtime PM. The pm_runtime_get_sync() called
before i2c_dw_probe() triggers PM resume, which powers on ISP and also
invokes the amdisp i2c runtime resume before the probe completes resulting
in this race condition and a NULL dereferencing issue in v7.0
Fix this race condition by using the genpd APIs directly during probe:
- Call dev_pm_genpd_resume() to Power ON ISP before probe
- Call dev_pm_genpd_suspend() to Power OFF ISP after probe
- Set the device to suspended state with pm_runtime_set_suspended()
- Enable runtime PM only after the device is fully initialized
Fixes: d6263c468a ("i2c: amd-isp: Add ISP i2c-designware driver")
Co-developed-by: Bin Du <bin.du@amd.com>
Signed-off-by: Bin Du <bin.du@amd.com>
Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Cc: <stable@vger.kernel.org> # v6.16+
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260320201302.3490570-1-pratap.nirujogi@amd.com
When reading from the I2DR register, right after releasing the bus by
clearing MSTA and MTX, the I2C controller might still generate an
additional clock cycle which can cause devices to misbehave. Ensure to
only read from I2DR after the bus is not busy anymore. Because this
requires polling, the read of the last byte is moved outside of the
interrupt handler.
An example for such a failing transfer is this:
i2ctransfer -y -a 0 w1@0x00 0x02 r1
Error: Sending messages failed: Connection timed out
It does not happen with every device because not all devices react to
the additional clock cycle.
Fixes: 5f5c2d4579 ("i2c: imx: prevent rescheduling in non dma mode")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260218150940.131354-3-eichest@gmail.com
When reading multiple messages, meaning a repeated start is required,
polling the bus busy bit must be avoided. This must only be done for
the last message. Otherwise, the driver will timeout.
Here an example of such a sequence that fails with an error:
i2ctransfer -y -a 0 w1@0x00 0x02 r1 w1@0x00 0x02 r1
Error: Sending messages failed: Connection timed out
Fixes: 5f5c2d4579 ("i2c: imx: prevent rescheduling in non dma mode")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260218150940.131354-2-eichest@gmail.com
Commit 7d6899fb69 ("ovl: fsync after metadata copy-up") was done to
fix durability of overlayfs copy up on an upper filesystem which does
not enforce ordering on storing of metadata changes (e.g. ubifs).
In an earlier revision of the regressing commit by Lei Lv, the metadata
fsync behavior was opt-in via a new "fsync=strict" mount option.
We were hoping that the opt-in mount option could be avoided, so the
change was only made to depend on metacopy=off, in the hope of not
hurting performance of metadata heavy workloads, which are more likely
to be using metacopy=on.
This hope was proven wrong by a performance regression report from Google
COS workload after upgrade to kernel 6.12.
This is an adaptation of Lei's original "fsync=strict" mount option
to the existing upstream code.
The new mount option is mutually exclusive with the "volatile" mount
option, so the latter is now an alias to the "fsync=volatile" mount
option.
Reported-by: Chenglong Tang <chenglongtang@google.com>
Closes: https://lore.kernel.org/linux-unionfs/CAOdxtTadAFH01Vui1FvWfcmQ8jH1O45owTzUcpYbNvBxnLeM7Q@mail.gmail.com/
Link: https://lore.kernel.org/linux-unionfs/CAOQ4uxgKC1SgjMWre=fUb00v8rxtd6sQi-S+dxR8oDzAuiGu8g@mail.gmail.com/
Fixes: 7d6899fb69 ("ovl: fsync after metadata copy-up")
Depends: 50e638beb6 ("ovl: Use str_on_off() helper in ovl_show_options()")
Cc: stable@vger.kernel.org # v6.12+
Signed-off-by: Fei Lv <feilv@asrmicro.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
commit 30b3211aa2 ("ALSA: hda/intel: Add MSI X870E Tomahawk
to denylist") was added to silence a warning, but this effectively
reintroduced commit df42ee7e22 ("ALSA: hda: Add ASRock
X670E Taichi to denylist") which was already reported to cause
problems and reverted in commit ee8f161359 ("Revert "ALSA: hda:
Add ASRock X670E Taichi to denylist"")
Revert it yet again.
Cc: stable@vger.kernel.org
Reported-by: Juhyun Song <juju6985@outlook.kr>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221274
Cc: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260326190542.524515-1-mario.limonciello@amd.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Setting up the interface when suspended/resumeing fail on this card.
Adding a reset and delay quirk will eliminate this problem.
usb 1-1: new full-speed USB device number 2 using xhci-hcd
usb 1-1: New USB device found, idVendor=001f, idProduct=0b23
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: AB17X USB Audio
usb 1-1: Manufacturer: Generic
usb 1-1: SerialNumber: 20241228172028
Signed-off-by: Lianqin Hu <hulianqin@vivo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/PUZPR06MB6224CA59AD2B26054120B276D249A@PUZPR06MB6224.apcprd06.prod.outlook.com
HP Laptop 15-fd0xxx with ALC236 codec does not handle the toggling of
the mute LED.
This patch adds a quirk entry for subsystem ID 0x8dd7 using
ALC236_FIXUP_HP_MUTE_LED_COEFBIT2 fixup, enabling correct mute LED
behavior.
Signed-off-by: Kshamendra Kumar Mishra <kshamendrakumarmishra@gmail.com>
Link: https://patch.msgid.link/DHAB51ISUM96.2K9SZIABIDEQ0@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The HP Pavilion 15-eg0xxx with subsystem ID 0x103c87cb uses a Realtek
ALC287 codec with a mute LED wired to GPIO pin 4 (mask 0x10). The
existing ALC287_FIXUP_HP_GPIO_LED fixup already handles this correctly,
but the subsystem ID was missing from the quirk table.
GPIO pin confirmed via manual hda-verb testing:
hda-verb SET_GPIO_MASK 0x10
hda-verb SET_GPIO_DIRECTION 0x10
hda-verb SET_GPIO_DATA 0x10
Signed-off-by: César Montoya <sprit152009@gmail.com>
Link: https://patch.msgid.link/20260321153603.12771-1-sprit152009@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On the HP EliteBoard G1a platform (models without a headphone jack).
the speaker mute LED failed to function. The Sysfs ctl-led info showed
empty values because the standard LED registration couldn't correctly
bind to the master switch.
Adding this patch will fix and enable the speaker mute LED feature.
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/279e929e884849df84687dbd67f20037@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This is two week's worth of fixes and quirks so it's a bit larger than
you might expect, there's nothing too exciting individually and nothing
in core code.
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Merge tag 'asoc-fix-v7.0-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v7.0
This is two week's worth of fixes and quirks so it's a bit larger than
you might expect, there's nothing too exciting individually and nothing
in core code.
GFP_* flag fix for syncobj, and a MAINTAINERS update.
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Merge tag 'drm-misc-fixes-2026-03-26' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A page mapping fix for shmem fault handler, a power-off fix for ivpu, a
GFP_* flag fix for syncobj, and a MAINTAINERS update.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260326-lush-cuddly-limpet-ab2aa9@houat
__io_uring_show_fdinfo() iterates over pending SQEs and, for 128-byte
SQEs on an IORING_SETUP_SQE_MIXED ring, needs to detect when the second
half of the SQE would be past the end of the sq_sqes array. The current
check tests (++sq_head & sq_mask) == 0, but sq_head is only incremented
when a 128-byte SQE is encountered, not on every iteration. The actual
array index is sq_idx = (i + sq_head) & sq_mask, which can be sq_mask
(the last slot) while the wrap check passes.
Fix by checking sq_idx directly. Keep the sq_head increment so the loop
still skips the second half of the 128-byte SQE on the next iteration.
Fixes: 1cba30bf9f ("io_uring: add support for IORING_SETUP_SQE_MIXED")
Signed-off-by: Nicholas Carlini <nicholas@carlini.com>
Link: https://patch.msgid.link/20260327021823.3138396-1-nicholas@carlini.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Restore the cpufreq core behavior changed inadvertently during the
6.19 development cycle to call cpufreq_frequency_table_cpuinfo()
for cpufreq policies getting re-initialized which ensures that
policy->max and policy->cpuinfo_max_freq will be valid going
forward (Viresh Kumar)
- Adjust the cached requested frequency in the conservative cpufreq
governor on policy limits changes to prevent it from becoming stale
in some cases (Viresh Kumar)
- Prevent pm_restore_gfp_mask() from triggering a WARN_ON() in some
code paths in which it is legitimately called without invoking
pm_restrict_gfp_mask() previously (Youngjun Park)
- Update snapshot_write_finalize() to take trailing zero pages into
account properly which prevents user space restore from failing
subsequently in some cases (Alberto Garcia)
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Merge tag 'pm-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two cpufreq issues, one in the core and one in the
conservative governor, and two issues related to system sleep:
- Restore the cpufreq core behavior changed inadvertently during the
6.19 development cycle to call cpufreq_frequency_table_cpuinfo()
for cpufreq policies getting re-initialized which ensures that
policy->max and policy->cpuinfo_max_freq will be valid going
forward (Viresh Kumar)
- Adjust the cached requested frequency in the conservative cpufreq
governor on policy limits changes to prevent it from becoming stale
in some cases (Viresh Kumar)
- Prevent pm_restore_gfp_mask() from triggering a WARN_ON() in some
code paths in which it is legitimately called without invoking
pm_restrict_gfp_mask() previously (Youngjun Park)
- Update snapshot_write_finalize() to take trailing zero pages into
account properly which prevents user space restore from failing
subsequently in some cases (Alberto Garcia)"
* tag 'pm-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask()
PM: hibernate: Drain trailing zero pages on userspace restore
cpufreq: conservative: Reset requested_freq on limits change
cpufreq: Don't skip cpufreq_frequency_table_cpuinfo()
Prevent the int340x thermal driver from taking the power slider
offset parameter into account incorrectly in some cases (Srinivas
Pandruvada)
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Merge tag 'thermal-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"This prevents the int340x thermal driver from taking the power slider
offset parameter into account incorrectly in some cases (Srinivas
Pandruvada)"
* tag 'thermal-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: int340x: soc_slider: Set offset only for balanced mode
Prevent use-after-free from occurring on reduced-hardware ACPI
platforms when -EPROBE_DEFER is returned by ec_install_handlers()
during ACPI EC driver initialization (Weiming Shi)
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Merge tag 'acpi-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fix from Rafael Wysocki:
"Prevent use-after-free from occurring on reduced-hardware ACPI
platforms when -EPROBE_DEFER is returned by ec_install_handlers()
during ACPI EC driver initialization (Weiming Shi)"
* tag 'acpi-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: clean up handlers on probe failure in acpi_ec_setup()
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Merge tag 'landlock-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull Landlock fixes from Mickaël Salaün:
"This mainly fixes Landlock TSYNC issues related to interrupts and
unexpected task exit.
Other fixes touch documentation and sample, and a new test extends
coverage"
* tag 'landlock-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
landlock: Expand restrict flags example for ABI version 8
selftests/landlock: Test tsync interruption and cancellation paths
landlock: Clean up interrupted thread logic in TSYNC
landlock: Serialize TSYNC thread restriction
samples/landlock: Bump ABI version to 8
landlock: Improve TSYNC types
landlock: Fully release unused TSYNC work entries
landlock: Fix formatting
Merge fixes related to system sleep for 7.0-rc6:
- Prevent pm_restore_gfp_mask() from triggering a WARN_ON() in some
code paths in which it is legitimately called without invoking
pm_restrict_gfp_mask() previously (Youngjun Park)
- Update snapshot_write_finalize() to take trailing zero pages into
account properly which prevents user space restore from failing
subsequently in some cases (Alberto Garcia)
* pm-sleep:
PM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask()
PM: hibernate: Drain trailing zero pages on userspace restore
Notably, this includes the fix for the Bluetooth regression that you
were notified about. I'm not aware of any other pending regressions.
Current release - regressions:
- bluetooth:
- fix stack-out-of-bounds read in l2cap_ecred_conn_req
- fix regressions caused by reusing ident
- netfilter: revisit array resize logic
- eth: ice: set max queues in alloc_etherdev_mqs()
Previous releases - regressions:
- core: correctly handle tunneled traffic on IPV6_CSUM GSO fallback
- bluetooth:
- fix dangling pointer on mgmt_add_adv_patterns_monitor_complete
- fix deadlock in l2cap_conn_del()
- sched: codel: fix stale state for empty flows in fq_codel
- ipv6: remove permanent routes from tb6_gc_hlist when all exceptions expire.
- xfrm: fix skb_put() panic on non-linear skb during reassembly
- openvswitch:
- avoid releasing netdev before teardown completes
- validate MPLS set/set_masked payload length
- eth: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats()
Previous releases - always broken:
- bluetooth: fix null-ptr-deref on l2cap_sock_ready_cb
- udp: fix wildcard bind conflict check when using hash2
- netfilter: fix use of uninitialized rtp_addr in process_sdp
- tls: Purge async_hold in tls_decrypt_async_wait()
- xfrm:
- prevent policy_hthresh.work from racing with netns teardown
- fix skb leak with espintcp and async crypto
- smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer
- can:
- add missing error handling to call can_ctrlmode_changelink()
- fix OOB heap access in cgw_csum_crc8_rel()
- eth: mana: fix use-after-free in add_adev() error path
- eth: virtio-net: fix for VIRTIO_NET_F_GUEST_HDRLEN
- eth: bcmasp: fix double free of WoL irq
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth, CAN, IPsec and Netfilter.
Notably, this includes the fix for the Bluetooth regression that you
were notified about. I'm not aware of any other pending regressions.
Current release - regressions:
- bluetooth:
- fix stack-out-of-bounds read in l2cap_ecred_conn_req
- fix regressions caused by reusing ident
- netfilter: revisit array resize logic
- eth: ice: set max queues in alloc_etherdev_mqs()
Previous releases - regressions:
- core: correctly handle tunneled traffic on IPV6_CSUM GSO fallback
- bluetooth:
- fix dangling pointer on mgmt_add_adv_patterns_monitor_complete
- fix deadlock in l2cap_conn_del()
- sched: codel: fix stale state for empty flows in fq_codel
- ipv6: remove permanent routes from tb6_gc_hlist when all exceptions expire.
- xfrm: fix skb_put() panic on non-linear skb during reassembly
- openvswitch:
- avoid releasing netdev before teardown completes
- validate MPLS set/set_masked payload length
- eth: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats()
Previous releases - always broken:
- bluetooth: fix null-ptr-deref on l2cap_sock_ready_cb
- udp: fix wildcard bind conflict check when using hash2
- netfilter: fix use of uninitialized rtp_addr in process_sdp
- tls: Purge async_hold in tls_decrypt_async_wait()
- xfrm:
- prevent policy_hthresh.work from racing with netns teardown
- fix skb leak with espintcp and async crypto
- smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer
- can:
- add missing error handling to call can_ctrlmode_changelink()
- fix OOB heap access in cgw_csum_crc8_rel()
- eth:
- mana: fix use-after-free in add_adev() error path
- virtio-net: fix for VIRTIO_NET_F_GUEST_HDRLEN
- bcmasp: fix double free of WoL irq"
* tag 'net-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (90 commits)
net: macb: use the current queue number for stats
netfilter: ctnetlink: use netlink policy range checks
netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp
netfilter: nf_conntrack_expect: skip expectations in other netns via proc
netfilter: nf_conntrack_expect: store netns and zone in expectation
netfilter: ctnetlink: ensure safe access to master conntrack
netfilter: nf_conntrack_expect: use expect->helper
netfilter: nf_conntrack_expect: honor expectation helper field
netfilter: nft_set_rbtree: revisit array resize logic
netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check()
netfilter: nfnetlink_log: fix uninitialized padding leak in NFULA_PAYLOAD
tls: Purge async_hold in tls_decrypt_async_wait()
selftests: netfilter: nft_concat_range.sh: add check for flush+reload bug
netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
Bluetooth: btusb: clamp SCO altsetting table indices
Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop
Bluetooth: L2CAP: Fix deadlock in l2cap_conn_del()
Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock
Bluetooth: L2CAP: Fix send LE flow credits in ACL link
net: mana: fix use-after-free in add_adev() error path
...
- Implement .get_direction() in the spmi-gpio gpio_chip.
Recent changes makes this start to print warnings and it's
not nice, let's just fix it.
- Clamp the return value of gpio_get() in the Renesas
RZA1 driver.
- Add the GPIO_GENERIC dependency to the STM32 HDP driver.
- Modify the Mediatek driver to accept devices that do not
use external interrupts (EINT) at all.
- Fix flag propagation in the Sunxi driver, so that we can fix
an issue with uninitialized pins in a follow-up patch using
said flags.
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Merge tag 'pinctrl-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Implement .get_direction() in the spmi-gpio gpio_chip
Recent changes makes this start to print warnings and it's not nice,
let's just fix it
- Clamp the return value of gpio_get() in the Renesas RZA1 driver
- Add the GPIO_GENERIC dependency to the STM32 HDP driver
- Modify the Mediatek driver to accept devices that do not use external
interrupts (EINT) at all
- Fix flag propagation in the Sunxi driver, so that we can fix an issue
with uninitialized pins in a follow-up patch using said flags
* tag 'pinctrl-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: sunxi: fix gpiochip_lock_as_irq() failure when pinmux is unknown
pinctrl: sunxi: pass down flags to pinctrl routines
pinctrl: mediatek: common: Fix probe failure for devices without EINT
pinctrl: stm32: fix HDP driver dependency on GPIO_GENERIC
pinctrl: renesas: rza1: Normalize return value of gpio_get()
pinctrl: qcom: spmi-gpio: implement .get_direction()
pinctrl: renesas: rzt2h: Fix invalid wait context
pinctrl: renesas: rzt2h: Fix device node leak in rzt2h_gpio_register()
A set of fixes for DMA-mapping subsystem, which resolve false-positive
warnings from KMSAN and DMA-API debug (Shigeru Yoshida and Leon
Romanovsky) as well as a simple build fix (Miguel Ojeda).
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Merge tag 'dma-mapping-7.0-2026-03-25' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fixes from Marek Szyprowski:
"A set of fixes for DMA-mapping subsystem, which resolve false-
positive warnings from KMSAN and DMA-API debug (Shigeru Yoshida
and Leon Romanovsky) as well as a simple build fix (Miguel Ojeda)"
* tag 'dma-mapping-7.0-2026-03-25' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma-mapping: add missing `inline` for `dma_free_attrs`
mm/hmm: Indicate that HMM requires DMA coherency
RDMA/umem: Tell DMA mapping that UMEM requires coherency
iommu/dma: add support for DMA_ATTR_REQUIRE_COHERENT attribute
dma-direct: prevent SWIOTLB path when DMA_ATTR_REQUIRE_COHERENT is set
dma-mapping: Introduce DMA require coherency attribute
dma-mapping: Clarify valid conditions for CPU cache line overlap
dma-mapping: handle DMA_ATTR_CPU_CACHE_CLEAN in trace output
dma-debug: Allow multiple invocations of overlapping entries
dma: swiotlb: add KMSAN annotations to swiotlb_bounce()
During futex_key_to_node_opt() execution, vma->vm_policy is read under
speculative mmap lock and RCU. Concurrently, mbind() may call
vma_replace_policy() which frees the old mempolicy immediately via
kmem_cache_free().
This creates a race where __futex_key_to_node() dereferences a freed
mempolicy pointer, causing a use-after-free read of mpol->mode.
[ 151.412631] BUG: KASAN: slab-use-after-free in __futex_key_to_node (kernel/futex/core.c:349)
[ 151.414046] Read of size 2 at addr ffff888001c49634 by task e/87
[ 151.415969] Call Trace:
[ 151.416732] __asan_load2 (mm/kasan/generic.c:271)
[ 151.416777] __futex_key_to_node (kernel/futex/core.c:349)
[ 151.416822] get_futex_key (kernel/futex/core.c:374 kernel/futex/core.c:386 kernel/futex/core.c:593)
Fix by adding rcu to __mpol_put().
Fixes: c042c50521 ("futex: Implement FUTEX2_MPOL")
Reported-by: Hao-Yu Yang <naup96721@gmail.com>
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Hao-Yu Yang <naup96721@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Link: https://patch.msgid.link/20260324174418.GB1850007@noisy.programming.kicks-ass.net
Nicholas reported that his LLM found it was possible to create a UaF
when sys_futex_requeue() is used with different flags. The initial
motivation for allowing different flags was the variable sized futex,
but since that hasn't been merged (yet), simply mandate the flags are
identical, as is the case for the old style sys_futex() requeue
operations.
Fixes: 0f4b5f9722 ("futex: Add sys_futex_requeue()")
Reported-by: Nicholas Carlini <npc@anthropic.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
A previous commit changed the behaviour of the KVM_S390_VCPU_FAULT
ioctl. The current (wrong) implementation will trigger a guest
addressing exception if the requested address lies outside of a
memslot, unless the VM is UCONTROL.
Restore the previous behaviour by open coding the fault-in logic.
Fixes: 3762e905ec ("KVM: s390: use __kvm_faultin_pfn()")
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
When shadowing, the guest page tables are write-protected, in order to
trap changes and properly unshadow the shadow mapping for the nested
guest. Already shadowed levels are skipped, so that only the needed
levels are write protected.
Currently the levels that get write protected are exactly one level too
deep: the last level (nested guest memory) gets protected in the wrong
way, and will be protected again correctly a few lines afterwards; most
importantly, the highest non-shadowed level does *not* get write
protected.
Moreover, if the nested guest is running in a real address space, there
are no DAT tables to shadow.
Write protect the correct levels, so that all the levels that need to
be protected are protected, and avoid double protecting the last level;
skip attempting to shadow the DAT tables when the nested guest is
running in a real address space.
Fixes: e38c884df9 ("KVM: s390: Switch to new gmap")
Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
If shadowing causes the shadow gmap to get unshadowed, exit early to
prevent an attempt to dereference the parent pointer, which at this
point is NULL.
Opportunistically add some more checks to prevent NULL parents.
Fixes: a2c17f9270 ("KVM: s390: New gmap code")
Fixes: e5f98a6899 ("KVM: s390: Add some helper functions needed for vSIE")
Fixes: e38c884df9 ("KVM: s390: Switch to new gmap")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
In most cases gmap_put() was not called when it should have.
Add the missing gmap_put() in vsie_run().
Fixes: e38c884df9 ("KVM: s390: Switch to new gmap")
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Fix _do_shadow_pte() to use the correct pointer (guest pte instead of
nested guest) to set up the new pte.
Add a check to return -EOPNOTSUPP if the mapping for the nested guest
is writeable but the same page in the guest is only read-only.
Fixes: e38c884df9 ("KVM: s390: Switch to new gmap")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Introduce a new special softbit for large pages, like already presend
for normal pages, and use it to mark guest mappings that do not have
struct pages.
Whenever a leaf DAT entry becomes dirty, check the special softbit and
only call SetPageDirty() if there is an actual struct page.
Move the logic to mark pages dirty inside _gmap_ptep_xchg() and
_gmap_crstep_xchg_atomic(), to avoid needlessly duplicating the code.
Fixes: 5a74e3d934 ("KVM: s390: KVM-specific bitfields and helper functions")
Fixes: a2c17f9270 ("KVM: s390: New gmap code")
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
The slow path of the fault handler ultimately called gmap_link(), which
assumed the fault was a major fault, and blindly called dat_link().
In case of minor faults, things were not always handled properly; in
particular the prefix and vsie marker bits were ignored.
Move dat_link() into gmap.c, renaming it accordingly. Once moved, the
new _gmap_link() function will be able to correctly honour the prefix
and vsie markers.
This will cause spurious unshadows in some uncommon cases.
Fixes: 94fd9b16cc ("KVM: s390: KVM page table management functions: lifecycle management")
Fixes: a2c17f9270 ("KVM: s390: New gmap code")
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
