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Author SHA1 Message Date
Nikolay Kulikov
7da5c11368 staging: rtl8723bs: remove unnecessary 'ETH_ALEN' definition 
The ETH_ALEN macro is already declared in the Kernel headers, so there
is no need to redefine it here.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Reviewed-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260315131734.25054-1-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:49:59 +01:00
Giacomo Di Clerico
91233340b4 staging: greybus: loopback: remove unused argument from macro 
The gb_dev_loopback_ro_attr macro accepted a 'conn' argument which
was never used in its expansion. Remove it from both the macro
definition and its invocation.

Signed-off-by: Giacomo Di Clerico <giacomodiclerico@gmail.com>
Link: https://patch.msgid.link/20260315105853.34609-1-giacomodiclerico@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:49:22 +01:00
Lukas Kraft
6e57c05a06 staging: rtl8723bs: fix blank line style in rtw_io.c 
Fix checkpatch style check for blank line placement after functions
in rtw_io.c.

Signed-off-by: Lukas Kraft <rebootrequired42@gmail.com>
Reviewed-by: Bera Yüzlü <b9788213@gmail.com>
Link: https://patch.msgid.link/20260312173903.19822-1-rebootrequired42@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:49:12 +01:00
Bera Yüzlü
3f7004a175 staging: rtl8723bs: Remove space in the line start 
Remove a space in the line start to follow kernel coding style.
Reported by checkpatch.pl.

Signed-off-by: Bera Yüzlü <b9788213@gmail.com>
Reviewed-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260310125556.874-2-b9788213@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:49:01 +01:00
Luis Soza Rodriguez
a11fdb9f58 staging: greybus: loopback: use sysfs_emit in sysfs show functions 
As per the kernel's documentation, sysfs_emit() is the preferred way
to format strings for sysfs attributes. It handles buffer overruns
safely. Replace sprintf calls with sysfs_emit across all loopback
sysfs show macros.

Signed-off-by: Luis Soza Rodriguez <contact@sluisr.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/20260309230507.4931-1-contact@sluisr.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:48:48 +01:00
Mark Adamenko
e66cd5a8f2 staging: octeon: remove BUG() call 
An unreachable default case calls BUG(). Remove the entire default case,
as the three possible cases are already addressed.

Signed-off-by: Mark Adamenko <marusik.adamenko@gmail.com>
Link: https://patch.msgid.link/20260310014514.40293-1-marusik.adamenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:48:40 +01:00
Nikolay Kulikov
7f9e3268fb staging: rtl8723bs: replace rtw_linked_check() return type to bool 
Function rtw_linked_check() always return 'bool' value, but it's type
'int'. Replace 'int' with 'bool' to make it more accurate.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260309201257.16984-5-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:47:53 +01:00
Nikolay Kulikov
c776297d23 staging: rtl8723bs: replace rtw_is_desired_network() return type to bool 
Function rtw_is_desired_network() used only in rtw_mlme.c file and
always return 'true' or 'false', so it's type can be replaced
with 'static bool'.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260309201257.16984-4-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:47:53 +01:00
Nikolay Kulikov
b816cabf46 staging: rtl8723bs: replace rtw_is_same_ibss() return type to bool 
Function rtw_is_same_ibss() returns a 'bool' value, but has an 'int
type. Replace 'int' -> 'bool' types to make it more accrurate.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260309201257.16984-3-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:47:52 +01:00
Nikolay Kulikov
6c88525169 staging: rtl8723bs: replace rtw_if_up() return type to bool 
Function rtw_if_up() actually return 'bool' value, but it's type is
'signed int'. Replace 'signed int' with 'bool' to make it more accurate.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260309201257.16984-2-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-18 16:47:52 +01:00
Greg Kroah-Hartman
f3f5d52d6b Merge 7.0-rc4 into staging-next 
We need the staging driver fixes in here to build on top of

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-16 11:47:14 +01:00
Linus Torvalds
f338e77383 Linux 7.0-rc4 2026-03-15 13:52:05 -07:00
Linus Torvalds
5c2fe8d11a SCSI fixes on 20260315 
The one core change is a re-roll of the tag allocation fix from the
 last pull request that uses the correct goto to unroll all the
 allocations.  The remianing fixes are all small ones in drivers.
 
 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:
 "The one core change is a re-roll of the tag allocation fix from the
  last pull request that uses the correct goto to unroll all the
  allocations. The remianing fixes are all small ones in drivers"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: hisi_sas: Fix NULL pointer exception during user_scan()
  scsi: qla2xxx: Completely fix fcport double free
  scsi: ufs: core: Fix SError in ufshcd_rtc_work() during UFS suspend
  scsi: core: Fix error handling for scsi_alloc_sdev()
 2026-03-15 13:15:39 -07:00
Linus Torvalds
d9bf296c39 Probes fixes for v7.0-rc3 
- kprobes: avoid crash when rmmod/insmod after ftrace killed
   This fixes a kernel crash caused by kprobes on the symbol in a
   module which is unloaded after ftrace_kill() is called.
 - kprobes: Remove unneeded warnings from __arm_kprobe_ftrace()
   Remove unneeded WARN messages which can be kicked if the kprobe is
   using ftrace and it fails to enable the ftrace. Since kprobes
   correctly handle such failure, we don't need to warn it.
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Merge tag 'probes-fixes-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fixes from Masami Hiramatsu:

 - Avoid crash when rmmod/insmod after ftrace killed

   This fixes a kernel crash caused by kprobes on the symbol in a module
   which is unloaded after ftrace_kill() is called.

 - Remove unneeded warnings from __arm_kprobe_ftrace()

   Remove unneeded WARN messages which can be triggered if the kprobe is
   using ftrace and it fails to enable the ftrace. Since kprobes
   correctly handle such failure, we don't need to warn it.

* tag 'probes-fixes-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  kprobes: Remove unneeded warnings from __arm_kprobe_ftrace()
  kprobes: avoid crash when rmmod/insmod after ftrace killed
 2026-03-15 13:08:05 -07:00
Linus Torvalds
62cda74c79 Bootconfig fixes for v7.0-rc3 
- lib/bootconfig: fix off-by-one in xbc_verify_tree() unclosed brace
   error; This fixes a wrong error place in unclosed brace error
   message.
 - lib/bootconfig: check bounds before writing in __xbc_open_brace();
   This fixes to check the array index before setting array, so that
   the bootconfig can support 16th-depth nested brace correctly.
 - lib/bootconfig: fix snprintf truncation check in
   xbc_node_compose_key_after(); This fixes to handle the return
   value of snprintf() correctly in case of the return value ==
   size.
 - bootconfig: Add bootconfig tests about braces
   Add test cases for checking error position about unclosed brace
   and ensuring supporting 16th depth nested braces correctly.
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Merge tag 'bootconfig-fixes-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull bootconfig fixes from Masami Hiramatsu:

 - fix off-by-one in xbc_verify_tree() unclosed brace error. This fixes
   a wrong error place in unclosed brace error message

 - check bounds before writing in __xbc_open_brace(). This fixes to
   check the array index before setting array, so that the bootconfig
   can support 16th-depth nested brace correctly

 - fix snprintf truncation check in xbc_node_compose_key_after(). This
   fixes to handle the return value of snprintf() correctly in case of
   the return value == size

 - Add bootconfig tests about braces Add test cases for checking error
   position about unclosed brace and ensuring supporting 16th depth
   nested braces correctly

* tag 'bootconfig-fixes-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  bootconfig: Add bootconfig tests about braces
  lib/bootconfig: fix snprintf truncation check in xbc_node_compose_key_after()
  lib/bootconfig: check bounds before writing in __xbc_open_brace()
  lib/bootconfig: fix off-by-one in xbc_verify_tree() unclosed brace error
 2026-03-15 12:50:05 -07:00
Linus Torvalds
11e8c7e947 ARM: 
- Correctly handle deeactivation of interrupts that were activated from
   LRs.  Since EOIcount only denotes deactivation of interrupts that
   are not present in an LR, start EOIcount deactivation walk *after*
   the last irq that made it into an LR.
 
 - Avoid calling into the stubs to probe for ICH_VTR_EL2.TDS when
   pKVM is already enabled -- not only thhis isn't possible (pKVM
   will reject the call), but it is also useless: this can only
   happen for a CPU that has already booted once, and the capability
   will not change.
 
 - Fix a couple of low-severity bugs in our S2 fault handling path,
   affecting the recently introduced LS64 handling and the even more
   esoteric handling of hwpoison in a nested context
 
 - Address yet another syzkaller finding in the vgic initialisation,
   where we would end-up destroying an uninitialised vgic with nasty
   consequences
 
 - Address an annoying case of pKVM failing to boot when some of the
   memblock regions that the host is faulting in are not page-aligned
 
 - Inject some sanity in the NV stage-2 walker by checking the limits
   against the advertised PA size, and correctly report the resulting
   faults
 
 PPC:
 
 - Fix a PPC e500 build error due to a long-standing wart that was exposed by
   the recent conversion to kmalloc_obj(); rip out all the ugliness that
   led to the wart.
 
 RISC-V:
 
 - Prevent speculative out-of-bounds access using array_index_nospec()
   in APLIC interrupt handling, ONE_REG regiser access, AIA CSR access,
   float register access, and PMU counter access
 
 - Fix potential use-after-free issues in kvm_riscv_gstage_get_leaf(),
   kvm_riscv_aia_aplic_has_attr(), and kvm_riscv_aia_imsic_has_attr()
 
 - Fix potential null pointer dereference in kvm_riscv_vcpu_aia_rmw_topei()
 
 - Fix off-by-one array access in SBI PMU
 
 - Skip THP support check during dirty logging
 
 - Fix error code returned for Smstateen and Ssaia ONE_REG interface
 
 - Check host Ssaia extension when creating AIA irqchip
 
 x86:
 
 - Fix cases where CPUID mitigation features were incorrectly marked as
   available whenever the kernel used scattered feature words for them.
 
 - Validate _all_ GVAs, rather than just the first GVA, when processing
   a range of GVAs for Hyper-V's TLB flush hypercalls.
 
 - Fix a brown paper bug in add_atomic_switch_msr().
 
 - Use hlist_for_each_entry_srcu() when traversing mask_notifier_list,
   to fix a lockdep warning; KVM doesn't hold RCU, just irq_srcu.
 
 - Ensure AVIC VMCB fields are initialized if the VM has an in-kernel local
   APIC (and AVIC is enabled at the module level).
 
 - Update CR8 write interception when AVIC is (de)activated, to fix a bug
   where the guest can run in perpetuity with the CR8 intercept enabled.
 
 - Add a quirk to skip the consistency check on FREEZE_IN_SMM, i.e. to allow
   L1 hypervisors to set FREEZE_IN_SMM.  This reverts (by default) an
   unintentional tightening of userspace ABI in 6.17, and provides some
   amount of backwards compatibility with hypervisors who want to freeze
   PMCs on VM-Entry.
 
 - Validate the VMCS/VMCB on return to a nested guest from SMM, because
   either userspace or the guest could stash invalid values in memory
   and trigger the processor's consistency checks.
 
 Generic:
 
 - Remove a subtle pseudo-overlay of kvm_stats_desc, which, aside from being
   unnecessary and confusing, triggered compiler warnings due to
   -Wflex-array-member-not-at-end.
 
 - Document that vcpu->mutex is take outside of kvm->slots_lock and
   kvm->slots_arch_lock, which is intentional and desirable despite being
   rather unintuitive.
 
 Selftests:
 
 - Increase the maximum number of NUMA nodes in the guest_memfd selftest to
   64 (from 8).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Quite a large pull request, partly due to skipping last week and
  therefore having material from ~all submaintainers in this one. About
  a fourth of it is a new selftest, and a couple more changes are large
  in number of files touched (fixing a -Wflex-array-member-not-at-end
  compiler warning) or lines changed (reformatting of a table in the API
  documentation, thanks rST).

  But who am I kidding---it's a lot of commits and there are a lot of
  bugs being fixed here, some of them on the nastier side like the
  RISC-V ones.

  ARM:

   - Correctly handle deactivation of interrupts that were activated
     from LRs. Since EOIcount only denotes deactivation of interrupts
     that are not present in an LR, start EOIcount deactivation walk
     *after* the last irq that made it into an LR

   - Avoid calling into the stubs to probe for ICH_VTR_EL2.TDS when pKVM
     is already enabled -- not only thhis isn't possible (pKVM will
     reject the call), but it is also useless: this can only happen for
     a CPU that has already booted once, and the capability will not
     change

   - Fix a couple of low-severity bugs in our S2 fault handling path,
     affecting the recently introduced LS64 handling and the even more
     esoteric handling of hwpoison in a nested context

   - Address yet another syzkaller finding in the vgic initialisation,
     where we would end-up destroying an uninitialised vgic with nasty
     consequences

   - Address an annoying case of pKVM failing to boot when some of the
     memblock regions that the host is faulting in are not page-aligned

   - Inject some sanity in the NV stage-2 walker by checking the limits
     against the advertised PA size, and correctly report the resulting
     faults

  PPC:

   - Fix a PPC e500 build error due to a long-standing wart that was
     exposed by the recent conversion to kmalloc_obj(); rip out all the
     ugliness that led to the wart

  RISC-V:

   - Prevent speculative out-of-bounds access using array_index_nospec()
     in APLIC interrupt handling, ONE_REG regiser access, AIA CSR
     access, float register access, and PMU counter access

   - Fix potential use-after-free issues in kvm_riscv_gstage_get_leaf(),
     kvm_riscv_aia_aplic_has_attr(), and kvm_riscv_aia_imsic_has_attr()

   - Fix potential null pointer dereference in
     kvm_riscv_vcpu_aia_rmw_topei()

   - Fix off-by-one array access in SBI PMU

   - Skip THP support check during dirty logging

   - Fix error code returned for Smstateen and Ssaia ONE_REG interface

   - Check host Ssaia extension when creating AIA irqchip

  x86:

   - Fix cases where CPUID mitigation features were incorrectly marked
     as available whenever the kernel used scattered feature words for
     them

   - Validate _all_ GVAs, rather than just the first GVA, when
     processing a range of GVAs for Hyper-V's TLB flush hypercalls

   - Fix a brown paper bug in add_atomic_switch_msr()

   - Use hlist_for_each_entry_srcu() when traversing mask_notifier_list,
     to fix a lockdep warning; KVM doesn't hold RCU, just irq_srcu

   - Ensure AVIC VMCB fields are initialized if the VM has an in-kernel
     local APIC (and AVIC is enabled at the module level)

   - Update CR8 write interception when AVIC is (de)activated, to fix a
     bug where the guest can run in perpetuity with the CR8 intercept
     enabled

   - Add a quirk to skip the consistency check on FREEZE_IN_SMM, i.e. to
     allow L1 hypervisors to set FREEZE_IN_SMM. This reverts (by
     default) an unintentional tightening of userspace ABI in 6.17, and
     provides some amount of backwards compatibility with hypervisors
     who want to freeze PMCs on VM-Entry

   - Validate the VMCS/VMCB on return to a nested guest from SMM,
     because either userspace or the guest could stash invalid values in
     memory and trigger the processor's consistency checks

  Generic:

   - Remove a subtle pseudo-overlay of kvm_stats_desc, which, aside from
     being unnecessary and confusing, triggered compiler warnings due to
     -Wflex-array-member-not-at-end

   - Document that vcpu->mutex is take outside of kvm->slots_lock and
     kvm->slots_arch_lock, which is intentional and desirable despite
     being rather unintuitive

  Selftests:

   - Increase the maximum number of NUMA nodes in the guest_memfd
     selftest to 64 (from 8)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (43 commits)
  KVM: selftests: Verify SEV+ guests can read and write EFER, CR0, CR4, and CR8
  Documentation: kvm: fix formatting of the quirks table
  KVM: x86: clarify leave_smm() return value
  selftests: kvm: add a test that VMX validates controls on RSM
  selftests: kvm: extract common functionality out of smm_test.c
  KVM: SVM: check validity of VMCB controls when returning from SMM
  KVM: VMX: check validity of VMCS controls when returning from SMM
  KVM: SVM: Set/clear CR8 write interception when AVIC is (de)activated
  KVM: SVM: Initialize AVIC VMCB fields if AVIC is enabled with in-kernel APIC
  KVM: x86: Introduce KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM
  KVM: x86: Fix SRCU list traversal in kvm_fire_mask_notifiers()
  KVM: VMX: Fix a wrong MSR update in add_atomic_switch_msr()
  KVM: x86: hyper-v: Validate all GVAs during PV TLB flush
  KVM: x86: synthesize CPUID bits only if CPU capability is set
  KVM: PPC: e500: Rip out "struct tlbe_ref"
  KVM: PPC: e500: Fix build error due to using kmalloc_obj() with wrong type
  KVM: selftests: Increase 'maxnode' for guest_memfd tests
  KVM: arm64: pkvm: Don't reprobe for ICH_VTR_EL2.TDS on CPU hotplug
  KVM: arm64: vgic: Pick EOIcount deactivations from AP-list tail
  KVM: arm64: Remove the redundant ISB in __kvm_at_s1e2()
  ...
 2026-03-15 12:22:10 -07:00
Linus Torvalds
4f3df2e5ea powerpc fixes for 7.0 #3 
- Fix KUAP warning in VMX usercopy path
  - Fix lockdep warning during PCI enumeration
  - Fix to move CMA reservations to arch_mm_preinit
  - Fix to check current->mm is alive before getting user callchain
 
 Thanks to: Aboorva Devarajan, Christophe Leroy (CS GROUP), Dan Horák, Nicolin
 Chen, Nilay Shroff, Qiao Zhao, Ritesh Harjani (IBM), Saket Kumar Bhaskar,
 Sayali Patil, Shrikanth Hegde, Venkat Rao Bagalkote, Viktor Malik,
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Merge tag 'powerpc-7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Madhavan Srinivasan:

 - Fix KUAP warning in VMX usercopy path

 - Fix lockdep warning during PCI enumeration

 - Fix to move CMA reservations to arch_mm_preinit

 - Fix to check current->mm is alive before getting user callchain

Thanks to Aboorva Devarajan, Christophe Leroy (CS GROUP), Dan Horák,
Nicolin Chen, Nilay Shroff, Qiao Zhao, Ritesh Harjani (IBM), Saket Kumar
Bhaskar, Sayali Patil, Shrikanth Hegde, Venkat Rao Bagalkote, and Viktor
Malik.

* tag 'powerpc-7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/iommu: fix lockdep warning during PCI enumeration
  powerpc/selftests/copyloops: extend selftest to exercise __copy_tofrom_user_power7_vmx
  powerpc: fix KUAP warning in VMX usercopy path
  powerpc, perf: Check that current->mm is alive before getting user callchain
  powerpc/mem: Move CMA reservations to arch_mm_preinit
 2026-03-15 11:36:11 -07:00
Linus Torvalds
13af67f599 Work around S2RAM hang if the firmware unexpectedly re-enables 
the x2apic hardware while it was disabled by the kernel.
 Force-disable it again and issue a warning into the syslog.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "Work around S2RAM hang if the firmware unexpectedly re-enables the
  x2apic hardware while it was disabled by the kernel.

  Force-disable it again and issue a warning into the syslog"

* tag 'x86-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Disable x2apic on resume if the kernel expects so
 2026-03-15 11:26:36 -07:00
Linus Torvalds
164cb546e9 Fix function tracer recursion bug by marking jiffies_64_to_clock_t() 
notrace.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Ingo Molnar:
 "Fix function tracer recursion bug by marking jiffies_64_to_clock_t()
  notrace"

* tag 'timers-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time/jiffies: Mark jiffies_64_to_clock_t() notrace
 2026-03-15 11:14:09 -07:00
Linus Torvalds
63724e9519 More MM-CID fixes, mostly fixing hangs/races: 
- Fix CID hangs due to a race between concurrent forks
 
  - Fix vfork()/CLONE_VM MMCID bug causing hangs
 
  - Remove pointless preemption guard
 
  - Fix CID task list walk performance regression on large systems
    by removing the known-flaky and slow counting logic using
    for_each_process_thread() in mm_cid_*fixup_tasks_to_cpus(),
    and implementing a simple sched_mm_cid::node list instead
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "More MM-CID fixes, mostly fixing hangs/races:

   - Fix CID hangs due to a race between concurrent forks

   - Fix vfork()/CLONE_VM MMCID bug causing hangs

   - Remove pointless preemption guard

   - Fix CID task list walk performance regression on large systems
     by removing the known-flaky and slow counting logic using
     for_each_process_thread() in mm_cid_*fixup_tasks_to_cpus(), and
     implementing a simple sched_mm_cid::node list instead"

* tag 'sched-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/mmcid: Avoid full tasklist walks
  sched/mmcid: Remove pointless preempt guard
  sched/mmcid: Handle vfork()/CLONE_VM correctly
  sched/mmcid: Prevent CID stalls due to concurrent forks
 2026-03-15 10:49:47 -07:00
Linus Torvalds
9745031130 Miscellaneous objtool fixes: 
- Fix cross-build bug by using HOSTCFLAGS for HAVE_XXHASH test
  - Fix klp bug by fixing detection of corrupt static branch/call entries
  - Handle unsupported pr_debug() usage more gracefully
  - Fix hypothethical klp bug by avoiding NULL pointer dereference when printing code symbol name
  - Fix data alignment bug in elf_add_data() causing mangled strings
  - Fix confusing ERROR_INSN() error message
  - Handle unexpected Clang RSP musical chairs causing false positive warnings
  - Fix another objtool stack overflow in validate_branch()
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:

 - Fix cross-build bug by using HOSTCFLAGS for HAVE_XXHASH test

 - Fix klp bug by fixing detection of corrupt static branch/call entries

 - Handle unsupported pr_debug() usage more gracefully

 - Fix hypothetical klp bug by avoiding NULL pointer dereference when
   printing code symbol name

 - Fix data alignment bug in elf_add_data() causing mangled strings

 - Fix confusing ERROR_INSN() error message

 - Handle unexpected Clang RSP musical chairs causing false positive
   warnings

 - Fix another objtool stack overflow in validate_branch()

* tag 'objtool-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix another stack overflow in validate_branch()
  objtool: Handle Clang RSP musical chairs
  objtool: Fix ERROR_INSN() error message
  objtool: Fix data alignment in elf_add_data()
  objtool: Use HOSTCFLAGS for HAVE_XXHASH test
  objtool/klp: Avoid NULL pointer dereference when printing code symbol name
  objtool/klp: Disable unsupported pr_debug() usage
  objtool/klp: Fix detection of corrupt static branch/call entries
 2026-03-15 10:36:01 -07:00
Linus Torvalds
be2e3750ce Two fixes for the riscv-aplic irqchip driver: 
- Fix probing dependency bug on probing failure
  - Fix double register_syscore() bug
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Ingo Molnar:
 "Two fixes for the riscv-aplic irqchip driver:

   - Fix probing dependency bug on probing failure

   - Fix double register_syscore() bug"

* tag 'irq-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/riscv-aplic: Register syscore operations only once
  irqchip/riscv-aplic: Do not clear ACPI dependencies on probe failure
 2026-03-15 10:32:57 -07:00
Linus Torvalds
9a48d4a130 I3C fixes for 7.0 
Subsystem:
  - simplify combined i3c/i2c dependencies
 
 Drivers:
  - dw: handle 2C properly, fix possible race condition
  - mipi-i3c-hci: many DMA related fixes
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Merge tag 'i3c/fixes-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c fixes from Alexandre Belloni:
 "This introduces the I3C_OR_I2C symbol which is not a fix per se but is
  affecting multiple subsystems so it is included to ease
  synchronization.

  Apart from that, Adrian is mostly fixing the mipi-i3c-hci driver DMA
  handling, and I took the opportunity to add two fixes for the dw-i3c
  driver.

  Subsystem:
   - simplify combined i3c/i2c dependencies

  Drivers:
   - dw: handle 2C properly, fix possible race condition
   - mipi-i3c-hci: many DMA related fixes"

* tag 'i3c/fixes-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: dw-i3c-master: Set SIR_REJECT in DAT on device attach and reattach
  i3c: master: dw-i3c: Fix missing of_node for virtual I2C adapter
  i3c: mipi-i3c-hci: Fallback to software reset when bus disable fails
  i3c: mipi-i3c-hci: Fix handling of shared IRQs during early initialization
  i3c: mipi-i3c-hci: Fix race in DMA error handling in interrupt context
  i3c: mipi-i3c-hci: Consolidate common xfer processing logic
  i3c: mipi-i3c-hci: Restart DMA ring correctly after dequeue abort
  i3c: mipi-i3c-hci: Add missing TID field to no-op command descriptor
  i3c: mipi-i3c-hci: Correct RING_CTRL_ABORT handling in DMA dequeue
  i3c: mipi-i3c-hci: Fix race between DMA ring dequeue and interrupt handler
  i3c: mipi-i3c-hci: Fix race in DMA ring dequeue
  i3c: mipi-i3c-hci: Fix race in DMA ring enqueue for parallel xfers
  i3c: mipi-i3c-hci: Consolidate spinlocks
  i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path
  i3c: mipi-i3c-hci: Fix Hot-Join NACK
  i3c: mipi-i3c-hci: Use ETIMEDOUT instead of ETIME for timeout errors
  i3c: simplify combined i3c/i2c dependencies
 2026-03-14 16:25:10 -07:00
Linus Torvalds
f26de90c68 i2c-for-7.0-rc4 
designware: DT binding maintainer update
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Merge tag 'i2c-for-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fix from Wolfram Sang:
 "Designware DT binding maintainer update"

* tag 'i2c-for-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  dt-bindings: i2c: dw: Update maintainer
 2026-03-14 16:15:49 -07:00
Linus Torvalds
267594792a Rust fixes for v7.0 (2nd) 
Toolchain and infrastructure:
 
  - Remap paths to avoid absolute ones starting with the upcoming Rust
    1.95.0 release. This improves build reproducibility, avoids leaking
    the exact path and avoids having the same path appear in two forms.
 
    The approach here avoids remapping debug information as well, in
    order to avoid breaking tools that used the paths to access source
    files, which was the previous attempt that needed to be reverted.
 
  - Allow 'unused_features' lint for the upcoming Rust 1.96.0 release.
    While well-intentioned, we do not benefit much from the new lint.
 
  - Emit dependency information into '$(depfile)' directly to avoid
    a temporary '.d' file (it was an old approach).
 
 'kernel' crate:
 
  - 'str' module: fix warning under '!CONFIG_BLOCK' by making
    'NullTerminatedFormatter' public.
 
  - 'cpufreq' module: suppress false positive Clippy warning.
 
 'pin-init' crate:
 
  - Remove '#[disable_initialized_field_access]' attribute which was
    unsound. This means removing the support for structs with unaligned
    fields (through the 'repr(packed)' attribute), for now.
 
    And document the load-bearing fact of field accessors (i.e. that they
    are required for soundness).
 
  - Replace shadowed return token by 'unsafe'-to-create token in order
    to remain sound in the face of the likely upcoming Type Alias Impl
    Trait (TAIT) and the next trait solver in upstream Rust.
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Merge tag 'rust-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux

Pull Rust fixes from Miguel Ojeda:
 "Toolchain and infrastructure:

   - Remap paths to avoid absolute ones starting with the upcoming Rust
     1.95.0 release. This improves build reproducibility, avoids leaking
     the exact path and avoids having the same path appear in two forms

     The approach here avoids remapping debug information as well, in
     order to avoid breaking tools that used the paths to access source
     files, which was the previous attempt that needed to be reverted

   - Allow 'unused_features' lint for the upcoming Rust 1.96.0 release.
     While well-intentioned, we do not benefit much from the new lint

   - Emit dependency information into '$(depfile)' directly to avoid a
     temporary '.d' file (it was an old approach)

  'kernel' crate:

   - 'str' module: fix warning under '!CONFIG_BLOCK' by making
     'NullTerminatedFormatter' public

   - 'cpufreq' module: suppress false positive Clippy warning

  'pin-init' crate:

   - Remove '#[disable_initialized_field_access]' attribute which was
     unsound. This means removing the support for structs with unaligned
     fields (through the 'repr(packed)' attribute), for now

     And document the load-bearing fact of field accessors (i.e. that
     they are required for soundness)

   - Replace shadowed return token by 'unsafe'-to-create token in order
     to remain sound in the face of the likely upcoming Type Alias Impl
     Trait (TAIT) and the next trait solver in upstream Rust"

* tag 'rust-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
  rust: kbuild: allow `unused_features`
  rust: cpufreq: suppress clippy::double_parens in Policy doctest
  rust: pin-init: replace shadowed return token by `unsafe`-to-create token
  rust: pin-init: internal: init: document load-bearing fact of field accessors
  rust: pin-init: internal: init: remove `#[disable_initialized_field_access]`
  rust: build: remap path to avoid absolute path
  rust: kbuild: emit dep-info into $(depfile) directly
  rust: str: make NullTerminatedFormatter public
 2026-03-14 12:35:16 -07:00
Linus Torvalds
69237f8c1f USB fixes for 7.0-rc4 
Here is a large chunk of USB driver fixes for 7.0-rc4.  Included in here
 are:
   - usb gadget reverts due to reported issues, and then a follow-on fix
     to hopefully resolve the reported overall problem
   - xhci driver fixes
   - dwc3 driver fixes
   - usb core "killable" bulk message api addition to fix a usbtmc driver
     bug where userspace could hang the driver for forever
   - small USB driver fixes for reported issues
   - new usb device quirks
 
 All except the last USB device quirk change have been in linux-next with
 no reported issues.  That one came in too late, and is "obviously
 correct" :)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here is a large chunk of USB driver fixes for 7.0-rc4. Included in
  here are:

   - usb gadget reverts due to reported issues, and then a follow-on fix
     to hopefully resolve the reported overall problem

   - xhci driver fixes

   - dwc3 driver fixes

   - usb core "killable" bulk message api addition to fix a usbtmc
     driver bug where userspace could hang the driver for forever

   - small USB driver fixes for reported issues

   - new usb device quirks

  All except the last USB device quirk change have been in linux-next
  with no reported issues. That one came in too late, and is 'obviously
  correct' :)"

* tag 'usb-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (35 commits)
  USB: ezcap401 needs USB_QUIRK_NO_BOS to function on 10gbs usb speed
  usb: roles: get usb role switch from parent only for usb-b-connector
  Revert "tcpm: allow looking for role_sw device in the main node"
  usb: gadget: f_ncm: Fix net_device lifecycle with device_move
  Revert "usb: gadget: u_ether: add gether_opts for config caching"
  Revert "usb: gadget: u_ether: use <linux/hex.h> header file"
  Revert "usb: gadget: u_ether: Add auto-cleanup helper for freeing net_device"
  Revert "usb: gadget: f_ncm: align net_device lifecycle with bind/unbind"
  Revert "usb: legacy: ncm: Fix NPE in gncm_bind"
  Revert "usb: gadget: f_ncm: Fix atomic context locking issue"
  usb: typec: altmode/displayport: set displayport signaling rate in configure message
  usb: dwc3: pci: add support for the Intel Nova Lake -H
  usb/core/quirks: Add Huawei ME906S-device to wakeup quirk
  usb: gadget: uvc: fix interval_duration calculation
  xhci: Fix NULL pointer dereference when reading portli debugfs files
  usb: xhci: Prevent interrupt storm on host controller error (HCE)
  usb: xhci: Fix memory leak in xhci_disable_slot()
  usb: class: cdc-wdm: fix reordering issue in read code path
  usb: renesas_usbhs: fix use-after-free in ISR during device removal
  usb: cdc-acm: Restore CAP_BRK functionnality to CH343
  ...
 2026-03-14 09:43:12 -07:00
Linus Torvalds
5c75125672 Char/Misc/IIO fixes for 7.0-rc1 
Here are some char/misc/iio/binder fixes for 7.0-rc1.  Nothing major in
 here, just the usual:
   - lots of iio driver fixes for reported issues
   - rust binder fixes for problems found
   - gpib driver binding to the wrong device fix
   - firmware driver fix
 
 All of these have been in linux-next with no reported issues
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc / IIO driver fixes from Greg KH:
 "Here are some char/misc/iio/binder fixes for 7.0-rc4. Nothing major in
  here, just the usual:

   - lots of iio driver fixes for reported issues

   - rust binder fixes for problems found

   - gpib driver binding to the wrong device fix

   - firmware driver fix

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (28 commits)
  gpib: lpvo_usb: fix unintended binding of FTDI 8U232AM devices
  firmware: stratix10-svc: Add Multi SVC clients support
  rust_binder: use lock_vma_under_rcu() in use_page_slow()
  rust_binder: call set_notification_done() without proc lock
  rust_binder: avoid reading the written value in offsets array
  rust_binder: check ownership before using vma
  rust_binder: fix oneway spam detection
  firmware: stratix10-rsu: Fix NULL pointer dereference when RSU is disabled
  iio: imu: adis: Fix NULL pointer dereference in adis_init
  iio: imu: inv_icm45600: fix regulator put warning when probe fails
  iio: buffer: Fix wait_queue not being removed
  iio: gyro: mpu3050-core: fix pm_runtime error handling
  iio: gyro: mpu3050-i2c: fix pm_runtime error handling
  iio: adc: ad7768-1: Fix ERR_PTR dereference in ad7768_fill_scale_tbl
  iio: chemical: sps30_serial: fix buffer size in sps30_serial_read_meas()
  iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas()
  iio: magnetometer: tlv493d: remove erroneous shift in X-axis data
  iio: proximity: hx9023s: Protect against division by zero in set_samp_freq
  iio: proximity: hx9023s: fix assignment order for __counted_by
  iio: chemical: bme680: Fix measurement wait duration calculation
  ...
 2026-03-14 09:38:49 -07:00
Linus Torvalds
4dad25aa60 Staging driver fixes for 7.0-rc4 
Here are 3 small staging driver fixes for 7.0-rc4 that resolve some
 reported problems.  They are:
   - two rtl8723bs data validation bugfixes
   - sm750fb removal path bugfix
 
 All of these have been in linux-next for many weeks with no reported
 issues
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are three small staging driver fixes for 7.0-rc4 that resolve
  some reported problems. They are:

   - two rtl8723bs data validation bugfixes

   - sm750fb removal path bugfix

  All of these have been in linux-next for many weeks with no reported
  issues"

* tag 'staging-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8723bs: fix potential out-of-bounds read in rtw_restruct_wmm_ie
  staging: rtl8723bs: properly validate the data in rtw_get_ie_ex()
  staging: sm750fb: add missing pci_release_region on error and removal
 2026-03-14 09:33:58 -07:00
Linus Torvalds
1c9982b496 drm-fixes for 7.0-rc4 
rust:
 - Fix safety issue in dma_read! and dma_write!.
 
 nova-core:
 - Fix UB in DmaGspMem pointer accessors.
 - Fix stack overflow in GSP memory allocation.
 
 loongsoon:
 - mark drm driver as unmaintained
 
 msm:
 - Core:
   - Adjusted msm_iommu_pagetable_prealloc_allocate() allocation type
 - DPU:
   - Fixed blue screens on Hamoa laptops by reverting the LM reservation
   - Fixed the size of the LM block on several platforms
   - Dropped usage of %pK (again)
   - Fixed smatch warning on SSPP v13+ code
   - Fixed INTF_6 interrupts on Lemans
 - DSI:
   - Fixed DSI PHY revision on Kaanapali
   - Fixed pixel clock calculation for the bonded DSI mode panels with
     compression enabled
 - DT bindings:
   - Fixed DisplayPort description on Glymur
   - Fixed model name in SM8750 MDSS schema
 - GPU:
   - Added MODULE_DEVICE_TABLE to the GPU driver
   - Fix bogus protect error on X2-85
   - Fix dma_free_attrs() buffer size
   - Gen8 UBWC fix for Glymur
 
 i915:
 - Avoid hang when configuring VRR [icl]
 - Fix sg_table overflow with >4GB folios
 - Fix PSR Selective Update handling
 - Fix eDP ALPM read-out sequence
 
 amdgpu:
 - SMU13 fix
 - SMU14 fix
 - Fixes for bringup hw testing
 - Kerneldoc fix
 - GC12 idle power fix for compute workloads
 - DCCG fixes
 
 amdkfd:
 - Fix missing BO unreserve in an error path
 
 ivpu:
 - drop unnecessary bootparams register setting
 
 amdxdna:
 - fix runtime/suspend resume deadlock
 
 bridge:
 - ti-sn65dsi83: fix DSI rounding and dual LVDS
 
 gud:
 - fix NULL crtc dereference on display disable
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Merge tag 'drm-fixes-2026-03-14' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "The weekly drm fixes. This is mostly msm fixes across the functions,
  with amdgpu and i915. It also has a core rust fix and changes in
  nova-core to take advantage of it, and otherwise just has some minor
  driver fixes, and marks loongsoon as orphaned.

  rust:
   - Fix safety issue in dma_read! and dma_write!

  nova-core:
   - Fix UB in DmaGspMem pointer accessors
   - Fix stack overflow in GSP memory allocation

  loongsoon:
   - mark drm driver as unmaintained

  msm:
   - Core:
      - Adjusted msm_iommu_pagetable_prealloc_allocate() allocation type
   - DPU:
      - Fixed blue screens on Hamoa laptops by reverting the LM
        reservation
      - Fixed the size of the LM block on several platforms
      - Dropped usage of %pK (again)
      - Fixed smatch warning on SSPP v13+ code
      - Fixed INTF_6 interrupts on Lemans
   - DSI:
      - Fixed DSI PHY revision on Kaanapali
      - Fixed pixel clock calculation for the bonded DSI mode panels
        with compression enabled
   - DT bindings:
      - Fixed DisplayPort description on Glymur
      - Fixed model name in SM8750 MDSS schema
   - GPU:
      - Added MODULE_DEVICE_TABLE to the GPU driver
      - Fix bogus protect error on X2-85
      - Fix dma_free_attrs() buffer size
      - Gen8 UBWC fix for Glymur

  i915:
   - Avoid hang when configuring VRR [icl]
   - Fix sg_table overflow with >4GB folios
   - Fix PSR Selective Update handling
   - Fix eDP ALPM read-out sequence

  amdgpu:
   - SMU13 fix
   - SMU14 fix
   - Fixes for bringup hw testing
   - Kerneldoc fix
   - GC12 idle power fix for compute workloads
   - DCCG fixes

  amdkfd:
   - Fix missing BO unreserve in an error path

  ivpu:
   - drop unnecessary bootparams register setting

  amdxdna:
   - fix runtime/suspend resume deadlock

  bridge:
   - ti-sn65dsi83: fix DSI rounding and dual LVDS

  gud:
   - fix NULL crtc dereference on display disable"

* tag 'drm-fixes-2026-03-14' of https://gitlab.freedesktop.org/drm/kernel: (44 commits)
  drm/amd: Set num IP blocks to 0 if discovery fails
  drm/amdkfd: Unreserve bo if queue update failed
  drm/amd/display: Check for S0i3 to be done before DCCG init on DCN21
  drm/amd/display: Add missing DCCG register entries for DCN20-DCN316
  gpu: nova-core: gsp: fix UB in DmaGspMem pointer accessors
  drm/loongson: Mark driver as orphaned
  accel/amdxdna: Fix runtime suspend deadlock when there is pending job
  gpu: nova-core: fix stack overflow in GSP memory allocation
  accel/ivpu: Remove boot params address setting via MMIO register
  drm/i915/dp: Read ALPM caps after DPCD init
  drm/i915/psr: Write DSC parameters on Selective Update in ET mode
  drm/i915/dsc: Add helper for writing DSC Selective Update ET parameters
  drm/i915/dsc: Add Selective Update register definitions
  drm/i915/psr: Repeat Selective Update area alignment
  drm/i915: Fix potential overflow of shmem scatterlist length
  drm/i915/vrr: Configure VRR timings after enabling TRANS_DDI_FUNC_CTL
  drm/bridge: ti-sn65dsi83: halve horizontal syncs for dual LVDS output
  drm/bridge: ti-sn65dsi83: fix CHA_DSI_CLK_RANGE rounding
  drm/gud: fix NULL crtc dereference on display disable
  drm/sitronix/st7586: fix bad pixel data due to byte swap
  ...
 2026-03-13 15:38:55 -07:00
Linus Torvalds
9abff5748e workqueue: Fixes for v7.0-rc3 
- Improve workqueue stall diagnostics: dump all busy workers (not just
   running ones), show wall-clock duration of in-flight work items, and
   add a sample module for reproducing stalls.
 
 - Fix POOL_BH vs WQ_BH flag namespace mismatch in pr_cont_worker_id().
 
 - Rename pool->watchdog_ts to pool->last_progress_ts and related
   functions for clarity.
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Merge tag 'wq-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fixes from Tejun Heo:

 - Improve workqueue stall diagnostics: dump all busy workers (not just
   running ones), show wall-clock duration of in-flight work items, and
   add a sample module for reproducing stalls

 - Fix POOL_BH vs WQ_BH flag namespace mismatch in pr_cont_worker_id()

 - Rename pool->watchdog_ts to pool->last_progress_ts and related
   functions for clarity

* tag 'wq-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Rename show_cpu_pool{s,}_hog{s,}() to reflect broadened scope
  workqueue: Add stall detector sample module
  workqueue: Show all busy workers in stall diagnostics
  workqueue: Show in-flight work item duration in stall diagnostics
  workqueue: Rename pool->watchdog_ts to pool->last_progress_ts
  workqueue: Use POOL_BH instead of WQ_BH when checking pool flags
 2026-03-13 15:11:05 -07:00
Linus Torvalds
b073bcb8d4 cgroup: Fixes for v7.0-rc3 
- Hide PF_EXITING tasks from cgroup.procs to avoid exposing dead tasks
   that haven't been removed yet, fixing a systemd timeout issue on
   PREEMPT_RT.
 
 - Call rebuild_sched_domains() directly in CPU hotplug instead of
   deferring to a workqueue, fixing a race where online/offline CPUs
   could briefly appear in stale sched domains.
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Merge tag 'cgroup-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fixes from Tejun Heo:

 - Hide PF_EXITING tasks from cgroup.procs to avoid exposing dead tasks
   that haven't been removed yet, fixing a systemd timeout issue on
   PREEMPT_RT

 - Call rebuild_sched_domains() directly in CPU hotplug instead of
   deferring to a workqueue, fixing a race where online/offline CPUs
   could briefly appear in stale sched domains

* tag 'cgroup-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: Don't expose dead tasks in cgroup
  cgroup/cpuset: Call rebuild_sched_domains() directly in hotplug
 2026-03-13 15:06:31 -07:00
Linus Torvalds
8369b2e97d sched_ext: Fixes for v7.0-rc3 
- Fix data races flagged by KCSAN: add missing READ_ONCE()/WRITE_ONCE()
   annotations for lock-free accesses to module parameters and dsq->seq.
 
 - Fix silent truncation of upper 32 enqueue flags (SCX_ENQ_PREEMPT and
   above) when passed through the int sched_class interface.
 
 - Documentation updates: scheduling class precedence, task ownership
   state machine, example scheduler descriptions, config list cleanup.
 
 - Selftest fix for format specifier and buffer length in
   file_write_long().
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Merge tag 'sched_ext-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fixes from Tejun Heo:

 - Fix data races flagged by KCSAN: add missing READ_ONCE()/WRITE_ONCE()
   annotations for lock-free accesses to module parameters and dsq->seq

 - Fix silent truncation of upper 32 enqueue flags (SCX_ENQ_PREEMPT and
   above) when passed through the int sched_class interface

 - Documentation updates: scheduling class precedence, task ownership
   state machine, example scheduler descriptions, config list cleanup

 - Selftest fix for format specifier and buffer length in
   file_write_long()

* tag 'sched_ext-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: Use WRITE_ONCE() for the write side of scx_enable helper pointer
  sched_ext: Fix enqueue_task_scx() truncation of upper enqueue flags
  sched_ext: Documentation: Update sched-ext.rst
  sched_ext: Use READ_ONCE() for scx_slice_bypass_us in scx_bypass()
  sched_ext: Documentation: Mention scheduling class precedence
  sched_ext: Document task ownership state machine
  sched_ext: Use READ_ONCE() for lock-free reads of module param variables
  sched_ext/selftests: Fix format specifier and buffer length in file_write_long()
  sched_ext: Use WRITE_ONCE() for the write side of dsq->seq update
 2026-03-13 14:54:56 -07:00
Linus Torvalds
8040dc41d2 perf tools fixes for v7.0: 
- Fix stale build ID in module MMAP2 records in events synthesized for
   pre-existing processes.
 
 - Fix rust cross compilation.
 
 - hashmap__new() error pointer return handling fixes.
 
 - Fix off-by-one bug in outside of functions check on the disasm code.
 
 - Update header copies of kernel headers, including prctl.h, mount.h, fs.h,
   irq_vectors.h, perf_event.h, gfp_types.h, kvm.h, cpufeatures.h msr-index.h,
   also the syscall tables files that introduced the 'rseq_slice_yield' syscall.
 
 - Finish removal of ETM_OPT_* on the ARM coresight support, needed to sync
   the coresight-pmu.h header with the kernel sources.
 
 - Make in-target rule robust against too long argument error.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v7.0-1-2026-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix stale build ID in module MMAP2 records in events synthesized for
   pre-existing processes

 - Fix rust cross compilation

 - hashmap__new() error pointer return handling fixes

 - Fix off-by-one bug in outside of functions check on the disasm code

 - Update header copies of kernel headers, including prctl.h, mount.h,
   fs.h, irq_vectors.h, perf_event.h, gfp_types.h, kvm.h, cpufeatures.h
   msr-index.h, also the syscall tables files that introduced the
   'rseq_slice_yield' syscall

 - Finish removal of ETM_OPT_* on the ARM coresight support, needed to
   sync the coresight-pmu.h header with the kernel sources

 - Make in-target rule robust against too long argument error

* tag 'perf-tools-fixes-for-v7.0-1-2026-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (22 commits)
  perf synthetic-events: Fix stale build ID in module MMAP2 records
  perf annotate loongarch: Fix off-by-one bug in outside check
  perf ftrace: Fix hashmap__new() error checking
  perf annotate: Fix hashmap__new() error checking
  perf cs-etm: Sync coresight-pmu.h header with the kernel sources
  perf cs-etm: Finish removal of ETM_OPT_*
  tools headers UAPI: Update tools' copy of linux/coresight-pmu.h
  tools headers: Update the syscall tables and unistd.h, to support the new 'rseq_slice_yield' syscall
  perf disasm: Fix off-by-one bug in outside check
  tools arch x86: Sync msr-index.h to pick MSR_{OMR_[0-3],CORE_PERF_GLOBAL_STATUS_SET}
  tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
  tools headers x86 cpufeatures: Sync with the kernel sources
  tools headers UAPI: Sync linux/kvm.h with the kernel sources
  tools headers: Update the linux/gfp_types.h copy with the kernel sources
  perf beauty: Update the linux/perf_event.h copy with the kernel sources
  perf beauty: Update the arch/x86/include/asm/irq_vectors.h copy with the kernel sources
  perf beauty: Sync UAPI linux/fs.h with kernel sources
  perf beauty: Sync linux/mount.h copy with the kernel sources
  tools build: Fix rust cross compilation
  perf build: Prevent "argument list too long" error
  ...
 2026-03-13 14:24:15 -07:00
Linus Torvalds
8d9968859c s390 updates for 7.0-rc4 
- Revert IRQ entry/exit path optimization that incorrectly cleared some
   PSW bits before irqentry_exit(), causing boot failures with linux-next
   and HRTIMER_REARM_DEFERRED (which only uncovered the problem)
 
 - Fix zcrypt code to show CCA card serial numbers even when the default
   crypto domain is offline by selecting any domain available, preventing
   empty sysfs entries
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Merge tag 's390-7.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Revert IRQ entry/exit path optimization that incorrectly cleared
   some PSW bits before irqentry_exit(), causing boot failures with
   linux-next and HRTIMER_REARM_DEFERRED (which only uncovered the
   problem)

 - Fix zcrypt code to show CCA card serial numbers even when the
   default crypto domain is offline by selecting any domain available,
   preventing empty sysfs entries

* tag 's390-7.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/zcrypt: Enable AUTOSEL_DOM for CCA serialnr sysfs attribute
  s390: Revert "s390/irq/idle: Remove psw bits early"
 2026-03-13 14:18:13 -07:00
Linus Torvalds
2c361c9b7f A small pile of CephFS and messenger bug fixes, all marked for stable. 
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Merge tag 'ceph-for-7.0-rc4' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "A small pile of CephFS and messenger bug fixes, all marked for stable"

* tag 'ceph-for-7.0-rc4' of https://github.com/ceph/ceph-client:
  libceph: Fix potential out-of-bounds access in ceph_handle_auth_reply()
  libceph: Use u32 for non-negative values in ceph_monmap_decode()
  MAINTAINERS: update email address of Dongsheng Yang
  libceph: reject preamble if control segment is empty
  libceph: admit message frames only in CEPH_CON_S_OPEN state
  libceph: prevent potential out-of-bounds reads in process_message_header()
  ceph: do not skip the first folio of the next object in writeback
  ceph: fix memory leaks in ceph_mdsc_build_path()
  ceph: add a bunch of missing ceph_path_info initializers
  ceph: fix i_nlink underrun during async unlink
 2026-03-13 14:03:58 -07:00
Linus Torvalds
399af66228 xfs: fixes for 7.0-rc4 
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-7.0-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Carlos Maiolino:
 "A couple race fixes found on the new healthmon mechanism, and another
  flushing dquots during filesystem shutdown"

* tag 'xfs-fixes-7.0-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix integer overflow in bmap intent sort comparator
  xfs: fix undersized l_iclog_roundoff values
  xfs: ensure dquot item is deleted from AIL only after log shutdown
  xfs: remove redundant set null for ip->i_itemp
  xfs: fix returned valued from xfs_defer_can_append
  xfs: Remove redundant NULL check after __GFP_NOFAIL
  xfs: fix race between healthmon unmount and read_iter
  xfs: remove scratch field from struct xfs_gc_bio
 2026-03-13 10:49:15 -07:00
Linus Torvalds
d874ca0522 seven client fixes 
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Merge tag 'v7.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 - Fix reconnect when using non-default port
 - Fix default retransmission behavior
 - Fix open handle reuse in cifs_open
 - Fix export for smb2-mapperror-test
 - Fix potential corruption on write retry
 - Fix potentially uninitialized superblock flags
 - Fix missing O_DIRECT and O_SYNC flags on create

* tag 'v7.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: make default value of retrans as zero
  smb: client: fix open handle lookup in cifs_open()
  smb: client: fix iface port assignment in parse_server_interfaces
  smb/client: only export symbol for 'smb2maperror-test' module
  smb: client: fix in-place encryption corruption in SMB2_write()
  smb: client: fix sbflags initialization
  smb: client: fix atomic open with O_DIRECT & O_SYNC
 2026-03-13 10:46:32 -07:00
Linus Torvalds
b36eb6e3f5 spi: Fixes for v7.0 
A couple of device ID and quirk updates, plus a bunch of small fixes
 most of which (other than the Cadence one) are unremarkable error
 handling fixes.
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Merge tag 'spi-fix-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A couple of device ID and quirk updates, plus a bunch of small fixes
  most of which (other than the Cadence one) are unremarkable error
  handling fixes"

* tag 'spi-fix-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: atcspi200: Handle invalid buswidth and fix compiler warning
  spi: dt-bindings: sun6i: Allow Dual SPI and Quad SPI for newer SoCs
  spi: intel-pci: Add support for Nova Lake mobile SPI flash
  spi: cadence-qspi: Fix requesting of APB and AHB clocks on JH7110
  spi: rockchip-sfc: Fix double-free in remove() callback
  spi: atcspi200: Fix double-free in atcspi_configure_dma()
  spi: amlogic: spifc-a4: Fix DMA mapping error handling
 2026-03-13 10:31:10 -07:00
Linus Torvalds
ff30ea1fb1 regulator: Fixes for v7.0 
A couple of small driver specific fixes for pca9450, cleaning up logging
 and fixing warnings due to confusion with interrupt type.
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Merge tag 'regulator-fix-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of small driver specific fixes for pca9450, cleaning up
  logging and fixing warnings due to confusion with interrupt type"

* tag 'regulator-fix-v7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: pca9450: Correct probed name for PCA9452
  regulator: pca9450: Correct interrupt type
 2026-03-13 10:29:45 -07:00
Vyacheslav Vahnenko
d0d9b1f4f5 USB: ezcap401 needs USB_QUIRK_NO_BOS to function on 10gbs usb speed 
Add USB_QUIRK_NO_BOS for ezcap401 capture card, without it dmesg will show
"unable to get BOS descriptor or descriptor too short" and "unable to
read config index 0 descriptor/start: -71" errors and device will not
able to work at full speed at 10gbs

Signed-off-by: Vyacheslav Vahnenko <vahnenko2003@gmail.com>
Cc: stable <stable@kernel.org>
Link: https://patch.msgid.link/20260313123638.20481-1-vahnenko2003@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-03-13 18:19:07 +01:00
Linus Torvalds
56cf10db2a sound fixes for 7.0-rc4 
There have been continuous flux but most of them are device-specific
 small fixes, while we see a few core fixes at this time (minor PCM fix
 for linked streams and a few ASoC core fixes for delayed work, etc).
 
 Core:
 - PCM: Fix use-after-free in linked stream drain
 
 * ASoC:
 - core: Fixes for delayed works, empty DMI string handling and DT overlay
 - qcom: qdsp6: Fix ADSP stop/start crash via component removal ordering
 - tegra: Add support for Tegra238 audio graph card
 - amd: Fix missing error checks for clock acquisition
 - rt1011: Fix incorrect DAPM context retrieval helper
 
 HD-audio:
 - Add quirk for Gigabyte H610M, ASUS UM6702RC, HP 14s-dr5xxx, and
   ThinkPad X390
 
 USB-audio:
 - Scarlett2: Fix NULL dereference for malformed endpoint descriptors
 - Add quirk for SPACETOUCH
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Merge tag 'sound-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "There have been continuous flux but most of them are device-specific
  small fixes, while we see a few core fixes at this time (minor PCM fix
  for linked streams and a few ASoC core fixes for delayed work, etc)

  Core:
   - PCM: Fix use-after-free in linked stream drain

  ASoC:
   - core: Fixes for delayed works, empty DMI string handling and DT overlay
   - qcom: qdsp6: Fix ADSP stop/start crash via component removal ordering
   - tegra: Add support for Tegra238 audio graph card
   - amd: Fix missing error checks for clock acquisition
   - rt1011: Fix incorrect DAPM context retrieval helper

  HD-audio:
   - Add quirk for Gigabyte H610M, ASUS UM6702RC, HP 14s-dr5xxx, and
     ThinkPad X390

  USB-audio:
   - Scarlett2: Fix NULL dereference for malformed endpoint descriptors
   - Add quirk for SPACETOUCH"

* tag 'sound-7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: amd: acp-mach-common: Add missing error check for clock acquisition
  ASoC: detect empty DMI strings
  ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition
  ALSA: usb-audio: Add iface reset and delay quirk for SPACETOUCH USB Audio
  ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put
  ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces
  ASoC: simple-card-utils: fix graph_util_is_ports0() for DT overlays
  ASoC: soc-core: flush delayed work before removing DAIs and widgets
  ASoC: soc-core: drop delayed_work_pending() check before flush
  ASoC: tegra: Add support for Tegra238 soundcard
  ALSA: hda/realtek: Add headset jack quirk for Thinkpad X390
  ALSA: hda/realtek: add HP Laptop 14s-dr5xxx mute LED quirk
  ALSA: hda/realtek: add quirk for ASUS UM6702RC
  ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain()
  ALSA: hda/realtek: Add quirk for Gigabyte Technology to fix headphone
  firmware: cs_dsp: Fix fragmentation regression in firmware download
  ASoC: qcom: qdsp6: Fix q6apm remove ordering during ADSP stop and start
 2026-03-13 10:15:14 -07:00
Linus Torvalds
73548503dc block-7.0-20260312 
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Merge tag 'block-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith:
      - Fix nvme-pci IRQ race and slab-out-of-bounds access
      - Fix recursive workqueue locking for target async events
      - Various cleanups

 - Fix a potential NULL pointer dereference in ublk on size setting

 - ublk automatic partition scanning fix

 - Two s390 dasd fixes

* tag 'block-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  nvme: Annotate struct nvme_dhchap_key with __counted_by
  nvme-core: do not pass empty queue_limits to blk_mq_alloc_queue()
  nvme-pci: Fix race bug in nvme_poll_irqdisable()
  nvmet: move async event work off nvmet-wq
  nvme-pci: Fix slab-out-of-bounds in nvme_dbbuf_set
  s390/dasd: Copy detected format information to secondary device
  s390/dasd: Move quiesce state with pprc swap
  ublk: don't clear GD_SUPPRESS_PART_SCAN for unprivileged daemons
  ublk: fix NULL pointer dereference in ublk_ctrl_set_size()
 2026-03-13 10:13:06 -07:00
Linus Torvalds
e67bf352a0 io_uring-7.0-20260312 
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Merge tag 'io_uring-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull io_uring fixes from Jens Axboe:

 - Fix an inverted true/false comment on task_no_new_privs, from the
   BPF filtering changes merged in this release

 - Use the migration disabling way of running the BPF filters, as the
   io_uring side doesn't do that already

 - Fix an issue with ->rings stability under resize, both for local
   task_work additions and for eventfd signaling

 - Fix an issue with SQE mixed mode, where a bounds check wasn't correct
   for having a 128b SQE

 - Fix an issue where a legacy provided buffer group is changed to to
   ring mapped one while legacy buffers from that group are in flight

* tag 'io_uring-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  io_uring/kbuf: check if target buffer list is still legacy on recycle
  io_uring: fix physical SQE bounds check for SQE_MIXED 128-byte ops
  io_uring/eventfd: use ctx->rings_rcu for flags checking
  io_uring: ensure ctx->rings is stable for task work flags manipulation
  io_uring/bpf_filter: use bpf_prog_run_pin_on_cpu() to prevent migration
  io_uring/register: fix comment about task_no_new_privs
 2026-03-13 10:09:35 -07:00
Linus Torvalds
8174dafb2d slab fixes for 7.0-rc3 
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Merge tag 'slab-for-7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fixes from Vlastimil Babka:

 - Fix for a memory leak that can occur when already so low on memory
   that we can't allocate a new slab anymore (Qing Wang)

 - Fix for a case where slabobj_ext array for a slab might be allocated
   from the same slab, making it permanently non-freeable (Harry Yoo)

* tag 'slab-for-7.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  slab: fix memory leak when refill_sheaf() fails
  mm/slab: fix an incorrect check in obj_exts_alloc_size()
 2026-03-13 10:07:33 -07:00
Linus Torvalds
92e989acfb power sequencing fixes for v7.0-rc4 
- fix OF-node reference leak in pwrseq-pcie-m2
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Merge tag 'pwrseq-fixes-for-v7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull power sequencing fix from Bartosz Golaszewski:

 - fix OF-node reference leak in pwrseq-pcie-m2

* tag 'pwrseq-fixes-for-v7.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  power: sequencing: pcie-m2: Fix device node reference leak in probe
 2026-03-13 10:06:00 -07:00
Masami Hiramatsu (Google)
5ef268cb7a kprobes: Remove unneeded warnings from __arm_kprobe_ftrace() 
Remove unneeded warnings for handled errors from __arm_kprobe_ftrace()
because all caller handled the error correctly.

Link: https://lore.kernel.org/all/177261531182.1312989.8737778408503961141.stgit@mhiramat.tok.corp.google.com/

Reported-by: Zw Tang <shicenci@gmail.com>
Closes: https://lore.kernel.org/all/CAPHJ_V+J6YDb_wX2nhXU6kh466Dt_nyDSas-1i_Y8s7tqY-Mzw@mail.gmail.com/
Fixes: 9c89bb8e32 ("kprobes: treewide: Cleanup the error messages for kprobes")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
 2026-03-13 23:15:26 +09:00
Masami Hiramatsu (Google)
e113f0b46d kprobes: avoid crash when rmmod/insmod after ftrace killed 
After we hit ftrace is killed by some errors, the kernel crash if
we remove modules in which kprobe probes.

BUG: unable to handle page fault for address: fffffbfff805000d
PGD 817fcc067 P4D 817fcc067 PUD 817fc8067 PMD 101555067 PTE 0
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 4 UID: 0 PID: 2012 Comm: rmmod Tainted: G        W  OE
Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
RIP: 0010:kprobes_module_callback+0x89/0x790
RSP: 0018:ffff88812e157d30 EFLAGS: 00010a02
RAX: 1ffffffff805000d RBX: dffffc0000000000 RCX: ffffffff86a8de90
RDX: ffffed1025c2af9b RSI: 0000000000000008 RDI: ffffffffc0280068
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1025c2af9a
R10: ffff88812e157cd7 R11: 205d323130325420 R12: 0000000000000002
R13: ffffffffc0290488 R14: 0000000000000002 R15: ffffffffc0280040
FS:  00007fbc450dd740(0000) GS:ffff888420331000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff805000d CR3: 000000010f624000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 notifier_call_chain+0xc6/0x280
 blocking_notifier_call_chain+0x60/0x90
 __do_sys_delete_module.constprop.0+0x32a/0x4e0
 do_syscall_64+0x5d/0xfa0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e

This is because the kprobe on ftrace does not correctly handles
the kprobe_ftrace_disabled flag set by ftrace_kill().

To prevent this error, check kprobe_ftrace_disabled in
__disarm_kprobe_ftrace() and skip all ftrace related operations.

Link: https://lore.kernel.org/all/176473947565.1727781.13110060700668331950.stgit@mhiramat.tok.corp.google.com/

Reported-by: Ye Bin <yebin10@huawei.com>
Closes: https://lore.kernel.org/all/20251125020536.2484381-1-yebin@huaweicloud.com/
Fixes: ae6aa16fdc ("kprobes: introduce ftrace based optimization")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2026-03-13 23:14:14 +09:00
Masami Hiramatsu (Google)
e2715ea5fb bootconfig: Add bootconfig tests about braces 
Add more bootconfig tests for checking the error message of
non closing brace and max number of nested braces.

Link: https://lore.kernel.org/all/177337553551.416919.11217619471547711262.stgit@devnote2/

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
 2026-03-13 17:49:30 +09:00
Josh Law
1120a36bb1 lib/bootconfig: fix snprintf truncation check in xbc_node_compose_key_after() 
snprintf() returns the number of characters that would have been
written excluding the NUL terminator.  Output is truncated when the
return value is >= the buffer size, not just > the buffer size.

When ret == size, the current code takes the non-truncated path,
advancing buf by ret and reducing size to 0.  This is wrong because
the output was actually truncated (the last character was replaced by
NUL).  Fix by using >= so the truncation path is taken correctly.

Link: https://lore.kernel.org/all/20260312191143.28719-4-objecting@objecting.org/

Fixes: 76db5a27a8 ("bootconfig: Add Extra Boot Config support")
Cc: stable@vger.kernel.org
Signed-off-by: Josh Law <objecting@objecting.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
 2026-03-13 17:48:27 +09:00
Josh Law
560f763baa lib/bootconfig: check bounds before writing in __xbc_open_brace() 
The bounds check for brace_index happens after the array write.
While the current call pattern prevents an actual out-of-bounds
access (the previous call would have returned an error), the
write-before-check pattern is fragile and would become a real
out-of-bounds write if the error return were ever not propagated.

Move the bounds check before the array write so the function is
self-contained and safe regardless of caller behavior.

Link: https://lore.kernel.org/all/20260312191143.28719-3-objecting@objecting.org/

Fixes: ead1e19ad9 ("lib/bootconfig: Fix a bug of breaking existing tree nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Josh Law <objecting@objecting.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
 2026-03-13 17:46:09 +09:00