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The driver reuses the OF node of the parent multi-function device but
fails to take another reference to balance the one dropped by the
platform bus code when unbinding the MFD and deregistering the child
devices.
Fix this by using the intended helper for reusing OF nodes.
Fixes: 981dd162b635 ("regulator: bq257xx: Add bq257xx boost regulator driver")
Cc: stable@vger.kernel.org # 6.18
Cc: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260408073055.5183-2-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Fix a CONFIG_SPARSEMEM crash on RV32 by avoiding early phys_to_page()
- Prevent runtime const infrastructure from being used by modules,
similar to what was done for x86
- Avoid problems when shutting down ACPI systems with IOMMUs by adding
a device dependency between IOMMU and devices that use it
- Fix a bug where the CPU pointer masking state isn't properly reset
when tagged addresses aren't enabled for a task
- Fix some incorrect register assignments, and add some missing ones,
in kgdb support code
- Fix compilation of non-kernel code that uses the ptrace uapi header
by replacing BIT() with _BITUL()
- Fix compilation of the validate_v_ptrace kselftest by working around
kselftest macro expansion issues
* tag 'riscv-for-linus-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
ACPI: RIMT: Add dependency between iommu and devices
selftests: riscv: Add braces around EXPECT_EQ()
riscv: use _BITUL macro rather than BIT() in ptrace uapi and kselftests
riscv: Reset pmm when PR_TAGGED_ADDR_ENABLE is not set
riscv: make runtime const not usable by modules
riscv: patch: Avoid early phys_to_page()
riscv: kgdb: fix several debug register assignment bugs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix kexec crash on KCOV-instrumented kernels (Aleksandr Nogikh)
- Fix Geode platform driver on-stack property data use-after-return
bug (Dmitry Torokhov)
* tag 'x86-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/geode: Fix on-stack property data use-after-return bug
x86/kexec: Disable KCOV instrumentation after load_segments()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix zero_vruntime tracking again (Peter Zijlstra)
- Fix avg_vruntime() usage in sched_debug (Peter Zijlstra)
* tag 'sched-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/debug: Fix avg_vruntime() usage
sched/fair: Fix zero_vruntime tracking fix
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Ingo Molnar:
- Fix potential bad container_of() in intel_pmu_hw_config() (Ian
Rogers)
* tag 'perf-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix potential bad container_of in intel_pmu_hw_config
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Ingo Molnar:
- Fix RISC-V APLIC irqchip driver setup errors on ACPI systems (Jessica
Liu)
* tag 'irq-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/riscv-aplic: Restrict genpd notifier to device tree only
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In eb_lookup_vma(), the code checks that the context vm matches before
incrementing the i915 vma usage count, but for the non-matching case it
didn't clear the non-matching vma pointer, so it would then mistakenly
be returned, causing potential UaF and refcount issues.
Reported-by: Yassine Mounir <sosohero200@gmail.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Fix TLB uniquification for systems with TLB not initialised by
firmware
- Fix allocation in TLB uniquification
- Fix SiByte cache initialisation
- Check uart parameters from firmware on Loongson64 systems
- Fix clock id mismatch for Ralink SoCs
- Fix GCC version check for __mutli3 workaround
* tag 'mips-fixes_7.0_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
mips: mm: Allocate tlb_vpn array atomically
MIPS: mm: Rewrite TLB uniquification for the hidden bit feature
MIPS: mm: Suppress TLB uniquification on EHINV hardware
MIPS: Always record SEGBITS in cpu_data.vmbits
MIPS: Fix the GCC version check for `__multi3' workaround
MIPS: SiByte: Bring back cache initialisation
mips: ralink: update CPU clock index
MIPS: Loongson64: env: Check UARTs passed by LEFI cautiously
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/iio driver fixes from Greg KH:
"Here are a relativly large number of small char/misc/iio and other
driver fixes for 7.0-rc7. There's a bunch, but overall they are all
small fixes for issues that people have been having that I finally
caught up with getting merged due to delays on my end.
The "largest" change overall is just some documentation updates to the
security-bugs.rst file to hopefully tell the AI tools (and any users
that actually read the documentation), how to send us better security
bug reports as the quantity of reports these past few weeks has
increased dramatically due to tools getting better at "finding"
things.
Included in here are:
- lots of small IIO driver fixes for issues reported in 7.0-rc
- gpib driver fixes
- comedi driver fixes
- interconnect driver fix
- nvmem driver fixes
- mei driver fix
- counter driver fix
- binder rust driver fixes
- some other small misc driver fixes
All of these have been in linux-next this week with no reported issues"
* tag 'char-misc-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (63 commits)
Documentation: fix two typos in latest update to the security report howto
Documentation: clarify the mandatory and desirable info for security reports
Documentation: explain how to find maintainers addresses for security reports
Documentation: minor updates to the security contacts
.get_maintainer.ignore: add myself
nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy
nvmem: imx: assign nvmem_cell_info::raw_len
misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe
misc: fastrpc: possible double-free of cctx->remote_heap
comedi: dt2815: add hardware detection to prevent crash
comedi: runflags cannot determine whether to reclaim chanlist
comedi: Reinit dev->spinlock between attachments to low-level drivers
comedi: me_daq: Fix potential overrun of firmware buffer
comedi: me4000: Fix potential overrun of firmware buffer
comedi: ni_atmio16d: Fix invalid clean-up after failed attach
gpib: fix use-after-free in IO ioctl handlers
gpib: lpvo_usb: fix memory leak on disconnect
gpib: Fix fluke driver s390 compile issue
lis3lv02d: Omit IRQF_ONESHOT if no threaded handler is provided
lis3lv02d: fix kernel-doc warnings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fixes from Greg KH:
"Here are two small tty vt fixes for 7.0-rc7 to resolve some reported
issues with the resize ability of the alt screen buffer. Both of these
have been in linux-next all week with no reported issues"
* tag 'tty-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt: resize saved unicode buffer on alt screen exit after resize
vt: discard stale unicode buffer on alt screen exit after resize
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt fixes from Greg KH:
"Here are a bunch of USB and Thunderbolt fixes (most all are USB) for
7.0-rc7. More than I normally like this late in the release cycle,
partly due to my recent travels, and partly due to people banging away
on the USB gadget interfaces and apis more than normal (big shoutout
to Android for getting the vendors to actually work upstream on this,
that's a huge win overall for everyone here)
Included in here are:
- Small thunderbolt fix
- new USB serial driver ids added
- typec driver fixes
- gadget driver fixes for some disconnect issues
- other usb gadget driver fixes for reported problems with binding
and unbinding devices as happens when a gadget device connects /
disconnects from a system it is plugged into (or it switches device
mode at a user's request, these things are complex little
beasts...)
- usb offload fixes (where USB audio tunnels through the controller
while the main CPU is asleep) for when EMP spikes hit the system
causing disconnects to happen (as often happens with static
electricity in the winter months). This has been much reported by
at least one vendor, and resolves the issues they have been seeing
with this codepath. Can't wait for the "formal methods are the
answer!" people to try to model that one properly...
- Other small usb driver fixes for issues reported.
All of these have been in linux-next this week, and before, with no
reported issues, and I've personally been stressing these harder than
normal on my systems here with no problems"
* tag 'usb-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (39 commits)
usb: gadget: f_hid: move list and spinlock inits from bind to alloc
usb: host: xhci-sideband: delegate offload_usage tracking to class drivers
usb: core: use dedicated spinlock for offload state
usb: cdns3: gadget: fix state inconsistency on gadget init failure
usb: dwc3: imx8mp: fix memory leak on probe failure path
usb: gadget: f_uac1_legacy: validate control request size
usb: ulpi: fix double free in ulpi_register_interface() error path
usb: misc: usbio: Fix URB memory leak on submit failure
USB: core: add NO_LPM quirk for Razer Kiyo Pro webcam
usb: cdns3: gadget: fix NULL pointer dereference in ep_queue
usb: core: phy: avoid double use of 'usb3-phy'
USB: serial: option: add MeiG Smart SRM825WN
usb: gadget: f_rndis: Fix net_device lifecycle with device_move
usb: gadget: f_subset: Fix net_device lifecycle with device_move
usb: gadget: f_eem: Fix net_device lifecycle with device_move
usb: gadget: f_ecm: Fix net_device lifecycle with device_move
usb: gadget: u_ncm: Add kernel-doc comments for struct f_ncm_opts
usb: gadget: f_rndis: Protect RNDIS options with mutex
usb: gadget: f_subset: Fix unbalanced refcnt in geth_free
dt-bindings: connector: add pd-disable dependency
...
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EPROBE_DEFER ensures IOMMU devices are probed before the devices that
depend on them. During shutdown, however, the IOMMU may be removed
first, leading to issues. To avoid this, a device link is added
which enforces the correct removal order.
Fixes: 8f7729552582 ("ACPI: RISC-V: Add support for RIMT")
Signed-off-by: Sunil V L <sunilvl@oss.qualcomm.com>
Link: https://patch.msgid.link/20260303061605.722949-1-sunilvl@oss.qualcomm.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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EXPECT_EQ() expands to multiple lines, breaking up one-line if
statements. This issue was not present in the patch on the mailing list
but was instead introduced by the maintainer when attempting to fix up
checkpatch warnings. Add braces around EXPECT_EQ() to avoid the error
even though checkpatch suggests them to be removed:
validate_v_ptrace.c:626:17: error: ‘else’ without a previous ‘if’
Fixes: 3789d5eecd5a ("selftests: riscv: verify syscalls discard vector context")
Fixes: 30eb191c895b ("selftests: riscv: verify ptrace rejects invalid vector csr inputs")
Fixes: 849f05ae1ea6 ("selftests: riscv: verify ptrace accepts valid vector csr values")
Signed-off-by: Charlie Jenkins <thecharlesjenkins@gmail.com>
Reviewed-and-tested-by: Sergey Matyukevich <geomatsi@gmail.com>
Link: https://patch.msgid.link/20260309-fix_selftests-v2-2-9d5a553a531e@gmail.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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Fix the build of non-kernel code that includes the RISC-V ptrace uapi
header, and the RISC-V validate_v_ptrace.c kselftest, by using the
_BITUL() macro rather than BIT(). BIT() is not available outside
the kernel.
Based on patches and comments from Charlie Jenkins, Michael Neuling,
and Andreas Schwab.
Fixes: 30eb191c895b ("selftests: riscv: verify ptrace rejects invalid vector csr inputs")
Fixes: 2af7c9cf021c ("riscv/ptrace: expose riscv CFI status and state via ptrace and in core files")
Cc: Andreas Schwab <schwab@suse.de>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Charlie Jenkins <thecharlesjenkins@gmail.com>
Link: https://patch.msgid.link/20260330024248.449292-1-mikey@neuling.org
Link: https://lore.kernel.org/linux-riscv/20260309-fix_selftests-v2-1-9d5a553a531e@gmail.com/
Link: https://lore.kernel.org/linux-riscv/20260309-fix_selftests-v2-3-9d5a553a531e@gmail.com/
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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In set_tagged_addr_ctrl(), when PR_TAGGED_ADDR_ENABLE is not set, pmlen
is correctly set to 0, but it forgets to reset pmm. This results in the
CPU pmm state not corresponding to the software pmlen state.
Fix this by resetting pmm along with pmlen.
Fixes: 2e1743085887 ("riscv: Add support for the tagged address ABI")
Signed-off-by: Zishun Yi <vulab@iscas.ac.cn>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://patch.msgid.link/20260322160022.21908-1-vulab@iscas.ac.cn
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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Similar as commit 284922f4c563 ("x86: uaccess: don't use runtime-const
rewriting in modules") does, make riscv's runtime const not usable by
modules too, to "make sure this doesn't get forgotten the next time
somebody wants to do runtime constant optimizations". The reason is
well explained in the above commit: "The runtime-const infrastructure
was never designed to handle the modular case, because the constant
fixup is only done at boot time for core kernel code."
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260221023731.3476-1-jszhang@kernel.org
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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Similarly to commit 8d09e2d569f6 ("arm64: patching: avoid early
page_to_phys()"), avoid using phys_to_page() for the kernel address case
in patch_map().
Since this is called from apply_boot_alternatives() in setup_arch(), and
commit 4267739cabb8 ("arch, mm: consolidate initialization of SPARSE
memory model") has moved sparse_init() to after setup_arch(),
phys_to_page() is not available there yet, and it panics on boot with
SPARSEMEM on RV32, which does not use SPARSEMEM_VMEMMAP.
Reported-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Closes: https://lore.kernel.org/r/20260223144108-dcace0b9-02e8-4b67-a7ce-f263bed36f26@linutronix.de/
Fixes: 4267739cabb8 ("arch, mm: consolidate initialization of SPARSE memory model")
Suggested-by: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Vivian Wang <wangruikang@iscas.ac.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Tested-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20260310-riscv-sparsemem-alternatives-fix-v1-1-659d5dd257e2@iscas.ac.cn
[pjw@kernel.org: fix the subject line to align with the patch description]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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Fix several bugs in the RISC-V kgdb implementation:
- The element of dbg_reg_def[] that is supposed to pertain to the S1
register embeds instead the struct pt_regs offset of the A1
register. Fix this to use the S1 register offset in struct pt_regs.
- The sleeping_thread_to_gdb_regs() function copies the value of the
S10 register into the gdb_regs[] array element meant for the S9
register, and copies the value of the S11 register into the array
element meant for the S10 register. It also neglects to copy the
value of the S11 register. Fix all of these issues.
Fixes: fe89bd2be8667 ("riscv: Add KGDB support")
Cc: Vincent Chen <vincent.chen@sifive.com>
Link: https://patch.msgid.link/fde376f8-bcfd-bfe4-e467-07d8f7608d05@kernel.org
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- new IDs for BETOP BTP-KP50B/C and Razer Wolverine V3 Pro added to
xpad controller driver
- another quirk for new TUXEDO InfinityBook added to i8042
- a small fixup for Synaptics RMI4 driver to properly unlock mutex when
encountering an error in F54
- an update to bcm5974 touch controller driver to reliably switch into
wellspring mode
* tag 'input-for-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - add support for BETOP BTP-KP50B/C controller's wireless mode
Input: xpad - add support for Razer Wolverine V3 Pro
Input: synaptics-rmi4 - fix a locking bug in an error path
Input: i8042 - add TUXEDO InfinityBook Max 16 Gen10 AMD to i8042 quirk table
Input: bcm5974 - recover from failed mode switch
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In previous patch "Documentation: clarify the mandatory and desirable
info for security reports" I left two typos that I didn't detect in local
checks. One is "get_maintainers.pl" (no 's' in the script name), and the
other one is a missing closing quote after "Reported-by", which didn't
have effect here but I don't know if it can break rendering elsewhere
(e.g. on the public HTML page). Better fix it before it gets merged.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260404082033.5160-1-w@1wt.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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BETOP's BTP-KP50B and BTP-KP50C controller's wireless dongles are both
working as standard Xbox 360 controllers. Add USB device IDs for them to
xpad driver.
Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Link: https://patch.msgid.link/TY4PR01MB14432B4B298EA186E5F86C46B9855A@TY4PR01MB14432.jpnprd01.prod.outlook.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add device IDs for the Razer Wolverine V3 Pro controller in both
wired (0x0a57) and wireless 2.4 GHz dongle (0x0a59) modes.
The controller uses the Xbox 360 protocol (vendor-specific class,
subclass 93, protocol 1) on interface 0 with an identical 20-byte
input report layout, so no additional processing is needed.
Signed-off-by: Zoltan Illes <zoliviragh@gmail.com>
Link: https://patch.msgid.link/20260329220031.1325509-1-137647604+ZlordHUN@users.noreply.github.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Madhavan Srinivasan:
- fix iommu incorrectly bypassing DMA APIs
Thanks to Dan Horak, Gaurav Batra, and Ritesh Harjani (IBM).
* tag 'powerpc-7.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv/iommu: iommu incorrectly bypass DMA APIs
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix a memory leak in the zcrypt driver where the AP message buffer
for clear key RSA requests was allocated twice, once by the caller
and again locally, causing the first allocation to never be freed
- Fix the cpum_sf perf sampling rate overflow adjustment to clamp the
recalculated rate to the hardware maximum, preventing exceptions on
heavily loaded systems running with HZ=1000
* tag 's390-7.0-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: Fix memory leak with CCA cards used as accelerator
s390/cpum_sf: Cap sampling rate to prevent lsctl exception
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix temperature sensor for PRIME X670E-PRO WIFI
- occ: Add missing newline, and fix potential division by zero
- pmbus:
- Fix device ID comparison and printing in tps53676_identify()
- Add missing MODULE_IMPORT_NS("PMBUS") for ltc4286
- Check return value of page-select write in pxe1610 probe
- Fix array access with zero-length block tps53679 read
* tag 'hwmon-for-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (asus-ec-sensors) Fix T_Sensor for PRIME X670E-PRO WIFI
hwmon: (occ) Fix missing newline in occ_show_extended()
hwmon: (occ) Fix division by zero in occ_show_power_1()
hwmon: (tps53679) Fix device ID comparison and printing in tps53676_identify()
hwmon: (ltc4286) Add missing MODULE_IMPORT_NS("PMBUS")
hwmon: (pxe1610) Check return value of page-select write in probe
hwmon: (tps53679) Fix array access with zero-length block read
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fixes from Tejun Heo:
"These are late but both fix subtle yet critical problems and the blast
radius is limited strictly to sched_ext.
- Fix stale direct dispatch state in ddsp_dsq_id which can cause
spurious warnings in mark_direct_dispatch() on task wakeup
- Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU
configs which can lead to incorrectly dispatching migration-
disabled tasks to remote CPUs"
* tag 'sched_ext-for-7.0-rc6-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: Fix stale direct dispatch state in ddsp_dsq_id
sched_ext: Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- A previous fix in this release covered the case of the rings being
RCU protected during resize, but it missed a few spots. This covers
the rest
- Fix the cBPF filters when COW'ed, introduced in this merge window
- Fix for an attempt to import a zero sized buffer
- Fix for a missing clamp in importing bundle buffers
* tag 'io_uring-7.0-20260403' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/bpf_filters: retain COW'ed settings on parse failures
io_uring: protect remaining lockless ctx->rings accesses with RCU
io_uring/rsrc: reject zero-length fixed buffer import
io_uring/net: fix slab-out-of-bounds read in io_bundle_nbufs()
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes, mostly probe/remove issues that are the
result of Felix Gu going and auditing those areas, plus one error
handling fix for the Cadence QSPI driver"
* tag 'spi-fix-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: cadence-qspi: Fix exec_mem_op error handling
spi: amlogic: spifc-a4: unregister ECC engine on probe failure and remove() callback
spi: stm32-ospi: Fix DMA channel leak on stm32_ospi_dma_setup() failure
spi: stm32-ospi: Fix reset control leak on probe error
spi: stm32-ospi: Fix resource leak in remove() callback
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@p->scx.ddsp_dsq_id can be left set (non-SCX_DSQ_INVALID) triggering a
spurious warning in mark_direct_dispatch() when the next wakeup's
ops.select_cpu() calls scx_bpf_dsq_insert(), such as:
WARNING: kernel/sched/ext.c:1273 at scx_dsq_insert_commit+0xcd/0x140
The root cause is that ddsp_dsq_id was only cleared in dispatch_enqueue(),
which is not reached in all paths that consume or cancel a direct dispatch
verdict.
Fix it by clearing it at the right places:
- direct_dispatch(): cache the direct dispatch state in local variables
and clear it before dispatch_enqueue() on the synchronous path. For
the deferred path, the direct dispatch state must remain set until
process_ddsp_deferred_locals() consumes them.
- process_ddsp_deferred_locals(): cache the dispatch state in local
variables and clear it before calling dispatch_to_local_dsq(), which
may migrate the task to another rq.
- do_enqueue_task(): clear the dispatch state on the enqueue path
(local/global/bypass fallbacks), where the direct dispatch verdict is
ignored.
- dequeue_task_scx(): clear the dispatch state after dispatch_dequeue()
to handle both the deferred dispatch cancellation and the holding_cpu
race, covering all cases where a pending direct dispatch is
cancelled.
- scx_disable_task(): clear the direct dispatch state when
transitioning a task out of the current scheduler. Waking tasks may
have had the direct dispatch state set by the outgoing scheduler's
ops.select_cpu() and then been queued on a wake_list via
ttwu_queue_wakelist(), when SCX_OPS_ALLOW_QUEUED_WAKEUP is set. Such
tasks are not on the runqueue and are not iterated by scx_bypass(),
so their direct dispatch state won't be cleared. Without this clear,
any subsequent SCX scheduler that tries to direct dispatch the task
will trigger the WARN_ON_ONCE() in mark_direct_dispatch().
Fixes: 5b26f7b920f7 ("sched_ext: Allow SCX_DSQ_LOCAL_ON for direct dispatches")
Cc: stable@vger.kernel.org # v6.12+
Cc: Daniel Hodges <hodgesd@meta.com>
Cc: Patrick Somaru <patsomaru@meta.com>
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a potential NULL pointer dereference in the energy model
netlink interface and a potential double free in an error path in
the common cpufreq governor management code:
- Fix a NULL pointer dereference in the energy model netlink
interface that may occur if a given perf domain ID is not
recognized (Changwoo Min)
- Avoid double free in the cpufreq_dbs_governor_init() error
path when kobject_init_and_add() fails (Guangshuo Li)"
* tag 'pm-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path
PM: EM: Fix NULL pointer dereference when perf domain ID is not found
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Address potential races between thermal zone removal and system
resume that may lead to a use-after-free (in two different ways)
and a potential use-after-free in the thermal zone unregistration
path (Rafael Wysocki)"
* tag 'thermal-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Fix thermal zone device registration error path
thermal: core: Address thermal zone removal races with resume
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix kerneldocs for gpio-timberdale and gpio-nomadik
- clear the "requested" flag in error path in gpiod_request_commit()
- call of_xlate() if provided when setting up shared GPIOs
- handle pins shared by child firmware nodes of consumer devices
- fix return value check in gpio-qixis-fpga
- fix suspend on gpio-mxc
- fix gpio-microchip DT bindings
* tag 'gpio-fixes-for-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
dt-bindings: gpio: fix microchip #interrupt-cells
gpio: shared: shorten the critical section in gpiochip_setup_shared()
gpio: mxc: map Both Edge pad wakeup to Rising Edge
gpio: qixis-fpga: Fix error handling for devm_regmap_init_mmio()
gpio: shared: handle pins shared by child nodes of devices
gpio: shared: call gpio_chip::of_xlate() if set
gpiolib: clear requested flag if line is invalid
gpio: nomadik: repair some kernel-doc comments
gpio: timberdale: repair kernel-doc comments
gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
- Implement a basic static call trampoline to fix CFI failures with the
generic implementation
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Use static call trampolines when kCFI is enabled
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Pull drm fixes from Dave Airlie:
"Hopefully no Easter eggs in this bunch of fixes. Usual stuff across
the amd/intel with some misc bits. Thanks to Thorsten and Alex for
making sure a regression fix that was hanging around in process land
finally made it in, that is probably the biggest change in here.
core:
- revert unplug/framebuffer fix as it caused problems
- compat ioctl speculation fix
bridge:
- refcounting fix
sysfb:
- error handling fix
amdgpu:
- fix renoir audio regression
- UserQ fixes
- PASID handling fix
- S4 fix for smu11 chips
- Misc small fixes
amdkfd:
- Non-4K page fixes
i915:
- Fix for #12045: Huawei Matebook E (DRR-WXX): Persistent Black
Screen on Boot with i915 and Gen11: Modesetting and Backlight
Control Malfunction
- Fix for #15826: i915: Raptor Lake-P [UHD Graphics] display
flicker/corruption on eDP panel
- Use crtc_state->enhanced_framing properly on ivb/hsw CPU eDP
xe:
- uapi: Accept canonical GPU addresses in xe_vm_madvise_ioctl
- Disallow writes to read-only VMAs
- PXP fixes
- Disable garbage collector work item on SVM close
- void memory allocations in xe_device_declare_wedged
qaic:
- hang fix
ast:
- initialisation fix"
* tag 'drm-fixes-2026-04-03' of https://gitlab.freedesktop.org/drm/kernel: (28 commits)
drm/amd/display: Wire up dcn10_dio_construct() for all pre-DCN401 generations
drm/ioc32: stop speculation on the drm_compat_ioctl path
drm/sysfb: Fix efidrm error handling and memory type mismatch
drm/i915/dp: Use crtc_state->enhanced_framing properly on ivb/hsw CPU eDP
drm/i915/cdclk: Do the full CDCLK dance for min_voltage_level changes
drm/amdkfd: Fix queue preemption/eviction failures by aligning control stack size to GPU page size
drm/amdgpu: Fix wait after reset sequence in S4
drm/amd/display: Fix NULL pointer dereference in dcn401_init_hw()
drm/amdgpu: Change AMDGPU_VA_RESERVED_TRAP_SIZE to 64KB
drm/amdgpu/userq: fix memory leak in MQD creation error paths
drm/amd: Fix MQD and control stack alignment for non-4K
drm/amdkfd: Align expected_queue_size to PAGE_SIZE
drm/amdgpu: fix the idr allocation flags
drm/amdgpu: validate doorbell_offset in user queue creation
drm/amdgpu/pm: drop SMU driver if version not matched messages
drm/xe: Avoid memory allocations in xe_device_declare_wedged()
drm/xe: Disable garbage collector work item on SVM close
drm/xe/pxp: Don't allow PXP on older PTL GSC FWs
drm/xe/pxp: Clear restart flag in pxp_start after jumping back
drm/xe/pxp: Remove incorrect handling of impossible state during suspend
...
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Fix a NULL pointer dereference in the energy model netlink interface
that may occur if a given perf domain ID is not recognized (Changwoo Min).
* pm-em:
PM: EM: Fix NULL pointer dereference when perf domain ID is not found
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A significant part of the effort of the security team consists in begging
reporters for patch proposals, or asking them to provide them in regular
format, and most of the time they're willing to provide this, they just
didn't know that it would help. So let's add a section detailing the
required and desirable contents in a security report to help reporters
write more actionable reports which do not require round trips.
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260403062018.31080-4-w@1wt.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These days, 80% of the work done by the security team consists in
locating the affected subsystem in a report, running get_maintainers on
it, forwarding the report to these persons and responding to the reporter
with them in Cc. This is a huge and unneeded overhead that we must try to
lower for a better overall efficiency. This patch adds a complete section
explaining how to figure the list of recipients to send the report to.
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260403062018.31080-3-w@1wt.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This clarifies the fact that the bug reporters must use a valid
e-mail address to send their report, and that the security team
assists developers working on a fix but doesn't always produce
fixes on its own.
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260403062018.31080-2-w@1wt.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A refcounting fix for bridges, revert a previous framebuffer
use-after-free fix that turned out to be causing more problems, a hang
fix for qaic, an initialization fix for ast, a error handling fix for
sysfb, and a speculation fix for drm_compat_ioctl.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260402-vivid-perfect-caiman-ca055e@houat
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-7.0-2026-04-02:
amdgpu:
- Fix audio regression on renoir
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patch.msgid.link/20260402194409.914769-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
uAPI Fix:
- Accept canonical GPU addresses in xe_vm_madvise_ioctl (Arvind)
Driver Fixes:
- Disallow writes to read-only VMAs (Jonathan)
- PXP fixes (Daniele)
- Disable garbage collector work item on SVM clos (Brost)
- void memory allocations in xe_device_declare_wedged (Brost)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/ac5mDHs-McR5cJSV@intel.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Fix for #12045: Huawei Matebook E (DRR-WXX): Persistent Black Screen on Boot with i915 and Gen11: Modesetting and Backlight Control Malfunction
- Fix for #15826: i915: Raptor Lake-P [UHD Graphics] display flicker/corruption on eDP panel
- Use crtc_state->enhanced_framing properly on ivb/hsw CPU eDP
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patch.msgid.link/ac5DM1IpBkuaT58e@jlahtine-mobl
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Pull smb client fix from Steve French:
- Fix potential out of bounds read in mount
* tag 'v7.0-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
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Pull bpf fixes from Alexei Starovoitov:
- Fix register equivalence for pointers to packet (Alexei Starovoitov)
- Fix incorrect pruning due to atomic fetch precision tracking (Daniel
Borkmann)
- Fix grace period wait for bpf_link-ed tracepoints (Kumar Kartikeya
Dwivedi)
- Fix use-after-free of sockmap's sk->sk_socket (Kuniyuki Iwashima)
- Reject direct access to nullable PTR_TO_BUF pointers (Qi Tang)
- Reject sleepable kprobe_multi programs at attach time (Varun R
Mallya)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Add more precision tracking tests for atomics
bpf: Fix incorrect pruning due to atomic fetch precision tracking
bpf: Reject sleepable kprobe_multi programs at attach time
bpf: reject direct access to nullable PTR_TO_BUF pointers
bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready().
bpf: Fix grace period wait for tracepoint bpf_link
bpf: Fix regsafe() for pointers to packet
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- Add missing async markers to tegra
- Fix long hmac key DMA handling in caam
- Fix spurious ENOSPC errors in deflate
- Fix SG chaining in af_alg
- Do not use in-place process in algif_aead
- Fix out-of-place destination overflow in authencesn
* tag 'v7.0-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption
crypto: algif_aead - Revert to operating out-of-place
crypto: af-alg - fix NULL pointer dereference in scatterwalk
crypto: deflate - fix spurious -ENOSPC
crypto: caam - fix overflow on long hmac keys
crypto: caam - fix DMA corruption on long hmac keys
crypto: tegra - Add missing CRYPTO_ALG_ASYNC
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Since commit 8e4f0b1ebcf2 ("bpf: use rcu_read_lock_dont_migrate() for
trampoline.c"), the BPF prolog (__bpf_prog_enter) calls migrate_disable()
only when CONFIG_PREEMPT_RCU is enabled, via rcu_read_lock_dont_migrate().
Without CONFIG_PREEMPT_RCU, the prolog never touches migration_disabled,
so migration_disabled == 1 always means the task is truly
migration-disabled regardless of whether it is the current task.
The old unconditional p == current check was a false negative in this
case, potentially allowing a migration-disabled task to be dispatched to
a remote CPU and triggering scx_error in task_can_run_on_remote_rq().
Only apply the p == current disambiguation when CONFIG_PREEMPT_RCU is
enabled, where the ambiguity with the BPF prolog still exists.
Fixes: 8e4f0b1ebcf2 ("bpf: use rcu_read_lock_dont_migrate() for trampoline.c")
Cc: stable@vger.kernel.org # v6.18+
Link: https://lore.kernel.org/lkml/20250821090609.42508-8-dongml2@chinatelecom.cn/
Signed-off-by: Changwoo Min <changwoo@igalia.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Description:
- Commit b82f0759346617b2 ("drm/amd/display: Migrate DIO registers access
from hwseq to dio component") moved DIO_MEM_PWR_CTRL register access
behind the new dio abstraction layer but only created the dio object for
DCN 4.01. On all other generations (DCN 10/20/21/201/30/301/302/303/
31/314/315/316/32/321/35/351/36), the dio pointer is NULL, causing the
register write to be silently skipped.
This results in AFMT HDMI memory not being powered on during init_hw,
which can cause HDMI audio failures and display issues on affected
hardware including Renoir/Cezanne (DCN 2.1) APUs that use dcn10_init_hw.
Call dcn10_dio_construct() in each older DCN generation's resource.c
to create the dio object, following the same pattern as DCN 4.01. This
ensures the dio pointer is non-NULL and the mem_pwr_ctrl callback works
through the dio abstraction for all DCN generations.
Fixes: b82f07593466 ("drm/amd/display: Migrate DIO registers access from hwseq to dio component.")
Reviewed-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Ionut Nechita <ionut_n2001@yahoo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pull smb server fix from Steve French:
- Fix out of bound write
* tag 'v7.0-rc6-ksmbd-server-fix' of git://git.samba.org/ksmbd:
ksmbd: fix OOB write in QUERY_INFO for compound requests
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more fix for a potential extent tree corruption due to an
unexpected error value.
When the search for an extent item failed, it under some circumstances
was reported as a success to the caller"
* tag 'for-7.0-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()
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