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b39c6bd6fd
1447303 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Paolo Bonzini
|
b39c6bd6fd |
KVM SEV changes for 7.2
- Don't advertise support for unusuable VM types, and account for VM types
that are disabled by firmware, e.g. to mitigate security vulnerabilities.
- Rewrite the SEV {en,de}crypt debug ioctls as they were riddle with bugs and
unnecessarily complicated, and add comprehensive tests.
- Clean up and deduplicate the SEV page pinning code.
- Fix minor goofs related to writing back CPUID information after firmware
rejects a CPUID page for an SNP vCPU.
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Merge tag 'kvm-x86-sev-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM SEV changes for 7.2
- Don't advertise support for unusuable VM types, and account for VM types
that are disabled by firmware, e.g. to mitigate security vulnerabilities.
- Rewrite the SEV {en,de}crypt debug ioctls as they were riddle with bugs and
unnecessarily complicated, and add comprehensive tests.
- Clean up and deduplicate the SEV page pinning code.
- Fix minor goofs related to writing back CPUID information after firmware
rejects a CPUID page for an SNP vCPU.
|
||
|
Paolo Bonzini
|
b02a4f8c42 |
KVM selftests changes for 7.2
- Randomize the dirty log test's delay when reaping the bitmap on the first
pass, as always waiting only 1ms hid a KVM RISC-V bug as the test reaped the
bitmap before KVM could build up enough state to hit the bug.
- A pile of one-off fixes and cleanups.
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Merge tag 'kvm-x86-selftests-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM selftests changes for 7.2
- Randomize the dirty log test's delay when reaping the bitmap on the first
pass, as always waiting only 1ms hid a KVM RISC-V bug as the test reaped the
bitmap before KVM could build up enough state to hit the bug.
- A pile of one-off fixes and cleanups.
|
||
|
Paolo Bonzini
|
96124f964c |
KVM x86 MMU changes for 7.2
- Use the kernel's "enum pg_level" in the TDX APIs instead of the TDX-Module's
level definitions (which are 0-based).
- Rework the TDX memory APIs to not require/assume that guest memory is
backed by "struct page" (in prepartion for guest_memfd hugepage support).
- Overhaul the TDP MMU => S-EPT code to move as much S-EPT specific logic as
possible into the TDX code, and to funnel (almost) all S-EPT updates into
a single chokepoint. The motivation is largely to prepare for upcoming
Dynamic PAMT support, but the cleanups are nice to have on their own.
- Plug a hole in the shadow MMU where KVM fails to recursively zap nested TDP
shadow when L1 is tearing its TDP page tables from the bottom up, as KVM's
TDP MMU now does.
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Merge tag 'kvm-x86-mmu-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM x86 MMU changes for 7.2
- Use the kernel's "enum pg_level" in the TDX APIs instead of the TDX-Module's
level definitions (which are 0-based).
- Rework the TDX memory APIs to not require/assume that guest memory is
backed by "struct page" (in prepartion for guest_memfd hugepage support).
- Overhaul the TDP MMU => S-EPT code to move as much S-EPT specific logic as
possible into the TDX code, and to funnel (almost) all S-EPT updates into
a single chokepoint. The motivation is largely to prepare for upcoming
Dynamic PAMT support, but the cleanups are nice to have on their own.
- Plug a hole in the shadow MMU where KVM fails to recursively zap nested TDP
shadow when L1 is tearing its TDP page tables from the bottom up, as KVM's
TDP MMU now does.
|
||
|
Paolo Bonzini
|
f6d6be78b2 |
KVM misc x86 changes for 7.2
- Handle EXIT_FASTPATH_EXIT_USERSPACE in vendor code to ensure vendor code
gets a chance to handle things like reaping the PML buffer.
- Ensure KVM's copy of CR0 and CR3 are up-to-date on SVM prior to invoking
fastpath handlers.
- Update KVM's view of PV async enabling if and only if the MSR write fully
succeeds.
- Fix a variety of issues where the emulator doesn't honor guest-debug state,
and clean up related code along the way.
- Synthesize EPT Violation and #NPF "error code" bits when injecting faults
into L1 that didn't originate in hardware (in which case the VMCS/VMCB
doesn't hold relevant information).
- Add support for virtualizing (well, emulating) AMD's flavor of CPL>0 CPUID
faulting.
- Clean up the GPR APIs so that KVM's use of "raw" is consistent, and fix a
variety of minor bugs along the way.
- Fix an OOB memory access due to not checking the VP ID when handling a
Hyper-V PV TLB flush for L2.
- Fix a bug in the mediated PMU's handling of fixed counters that allowed the
guest to bypass the PMU event filter.
- Allow userspace to return EAGAIN when handling SNP and TDX hypercalls, so
the KVM can forward a "retry" status code to the guest, and reserve all
unused error codes for future usage.
- Misc fixes and cleanups.
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Merge tag 'kvm-x86-misc-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM misc x86 changes for 7.2
- Handle EXIT_FASTPATH_EXIT_USERSPACE in vendor code to ensure vendor code
gets a chance to handle things like reaping the PML buffer.
- Ensure KVM's copy of CR0 and CR3 are up-to-date on SVM prior to invoking
fastpath handlers.
- Update KVM's view of PV async enabling if and only if the MSR write fully
succeeds.
- Fix a variety of issues where the emulator doesn't honor guest-debug state,
and clean up related code along the way.
- Synthesize EPT Violation and #NPF "error code" bits when injecting faults
into L1 that didn't originate in hardware (in which case the VMCS/VMCB
doesn't hold relevant information).
- Add support for virtualizing (well, emulating) AMD's flavor of CPL>0 CPUID
faulting.
- Clean up the GPR APIs so that KVM's use of "raw" is consistent, and fix a
variety of minor bugs along the way.
- Fix an OOB memory access due to not checking the VP ID when handling a
Hyper-V PV TLB flush for L2.
- Fix a bug in the mediated PMU's handling of fixed counters that allowed the
guest to bypass the PMU event filter.
- Allow userspace to return EAGAIN when handling SNP and TDX hypercalls, so
the KVM can forward a "retry" status code to the guest, and reserve all
unused error codes for future usage.
- Misc fixes and cleanups.
|
||
|
Paolo Bonzini
|
06ba195f13 |
KVM guest_memfd changes for 7.2
- Return -EEXIST instead of -EINVAL if userspace attempts to bind a gmem
range to multiple memslots, and fix the test that was supposed to ensure
KVM returns -EEXIST.
- Treat memslot binding offsets and sizes as unsigned values to fix a bug
where KVM interprets a large "offset + size" as a negative value and allows
a nonsensical offset.
- Use the inode number instead of the page offset for the NUMA interleaving
index to fix a bug where the effective index would jump by two for
consecutive pages (the caller also adds in the page offset).
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Merge tag 'kvm-x86-gmem-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM guest_memfd changes for 7.2
- Return -EEXIST instead of -EINVAL if userspace attempts to bind a gmem
range to multiple memslots, and fix the test that was supposed to ensure
KVM returns -EEXIST.
- Treat memslot binding offsets and sizes as unsigned values to fix a bug
where KVM interprets a large "offset + size" as a negative value and allows
a nonsensical offset.
- Use the inode number instead of the page offset for the NUMA interleaving
index to fix a bug where the effective index would jump by two for
consecutive pages (the caller also adds in the page offset).
|
||
|
Paolo Bonzini
|
4d37da77e6 |
KVM generic changes for 7.2
- Rename invalidate_begin() to invalidate_start() throughout KVM to follow
the kernel's nomenclature, e.g. for mmu_notifiers.
- Minor cleanups.
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Merge tag 'kvm-x86-generic-7.2' of https://github.com/kvm-x86/linux into HEAD
KVM generic changes for 7.2
- Rename invalidate_begin() to invalidate_start() throughout KVM to follow
the kernel's nomenclature, e.g. for mmu_notifiers.
- Minor cleanups.
|
||
|
Paolo Bonzini
|
94e6ddf9a0 |
KVM: s390: A few more misc gmap fixes.
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||
|
Claudio Imbrenda
|
abeb7eb57f |
KVM: s390: vsie: Use mmu cache to allocate rmap
Use kvm_s390_mmu_cache_alloc_rmap() to allocate the rmap in
gmap_insert_rmap(), instead of a normal kzalloc_obj() with GFP_ATOMIC.
This guarantees forward progress.
Fixes:
|
||
|
Claudio Imbrenda
|
668e70cc54 |
KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault()
Add missing radix_tree_preload() in _gaccess_shadow_fault() to
guarantee forward progress. The core of _gaccess_shadow_fault() has
been split into ___gaccess_shadow_fault() in order to simplify locking.
Fixes:
|
||
|
Claudio Imbrenda
|
505fcce0c6 |
KVM: s390: vsie: Fix allocation of struct vsie_rmap
The allocation size for struct vsie_rmap in kvm_s390_mmu_cache_topup()
was wrong due to a copy-paste error.
Fix it by using the type name.
Fixes:
|
||
|
Claudio Imbrenda
|
5670b7f927 |
KVM: s390: Fix unlikely race in try_get_locked_pte()
Fix an unlikely race in try_get_locked_pte(), which could have happened
if puds or pmds get unmapped between the p?dp_get() and p?d_offset()
functions.
Fixes:
|
||
|
Claudio Imbrenda
|
f79413b2dd |
KVM: s390: Silence potential warnings in _gmap_crstep_xchg_atomic()
While dat_crstep_xchg_atomic() is marked as __must_check, in this
particular case the return value should be ignored.
Silence potential compiler warnings with a pointless check, and add a
comment to explain the situation.
Fixes:
|
||
|
Linus Torvalds
|
9716c086c8 |
Power management fixes for final 7.1
- Restore allowing writing EPP of 0 when in performance mode in the
amd-pstate driver which was unnecessarily disallowed by one of the
recent updates (Mario Limonciello)
- Remove stale documentation of the epp_cached field in struct
amd_cpudata that has been dropped recently (Zhan Xusheng)
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Merge tag 'pm-7.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These address some remaining fallout after introducing dynamic EPP
support in the amd-pstate driver during the current development cycle:
- Restore allowing writing EPP of 0 when in performance mode in the
amd-pstate driver which was unnecessarily disallowed by one of the
recent updates (Mario Limonciello)
- Remove stale documentation of the epp_cached field in struct
amd_cpudata that has been dropped recently (Zhan Xusheng)"
* tag 'pm-7.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq/amd-pstate: Fix setting EPP in performance mode
cpufreq/amd-pstate: drop stale @epp_cached kdoc
|
||
|
Linus Torvalds
|
767622308a |
RISC-V updates for v7.1-rc8
- Fix the implementation of the CFI branch landing pad control prctl()s to return -EINVAL if unknown control bits are set, rather than silently ignoring the request; and add a kselftest for this case - Fix unaligned access performance testing to happen earlier in boot, which fixes a performance regression in the lib/checksum code - Fix a binfmt_elf warning when dumping core (due to missing .core_note_name for CFI registers) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElRDoIDdEz9/svf2Kx4+xDQu9KksFAmopaGkACgkQx4+xDQu9 KkvBng/+LAQwSRM5fRJVEzHq5PvVvElGCcdWoBnRGF/OX3WG9h+HErMCyfz3uKnr sqjlfs8GZTg1ABTIqBOu2eUj0SzsJfXE8Ehc2l5D34VSG2BsPh7CJABxqZtLdWoT K/DlmlDwWZ3Pu4HQKtQeFCRAT1MFhXfgvaomrR4qCmigQyJYeLatuTuvGd0RXL6U CHx9yPJY9++rC1mV+h5IKw/Ml8gQJCdCvYF9zZsRlFxhQi/QL0jz588yCK10qXx4 hFntomFtscnPW3DU57+OpHyKuHG0IyqOmgr093JCFKMr4jDbfxFI1UjEbcfk28Uy YN+RHXXrzvfVlLhZCYk4nlu+YwMBkgZEvwxGFrFIunkVLHI01GB02HNcRGukLRnA zjevjQFK78cvg7LbY3tlqdmOs/RqjpHJd5LwU9FUgj+jXbt5wBviarV6VPAAL2za 8ZgNjxBCO3aT1ec5sIjhu7HrZxgcbv6x7GipmlrKmmSBvE2+Gzcz4jCIIWT9GjOt lGNX/B25ew5sK8zoDsGoTW4dCCHOMHD/vGsXww3IxSrWOQX4Ew9Ffcxks82AYqId C9DttPDZLcN82VeVymgrVZl9JJBkudeLO6fDl1mRgCY11qp1tJG3GaosfA601qiE PYlfsqMlNZKPUO7JXR3l70LbRocNKqJl3Yo7u+KstHV26E99twk= =yfQt -----END PGP SIGNATURE----- Merge tag 'riscv-for-linux-7.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Paul Walmsley: - Fix the implementation of the CFI branch landing pad control prctl()s to return -EINVAL if unknown control bits are set, rather than silently ignoring the request; and add a kselftest for this case - Fix unaligned access performance testing to happen earlier in boot, which fixes a performance regression in the lib/checksum code - Fix a binfmt_elf warning when dumping core (due to missing .core_note_name for CFI registers) * tag 'riscv-for-linux-7.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: cfi: reject unknown flags in PR_SET_CFI riscv: Fix fast_unaligned_access_speed_key not getting initialized riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI |
||
|
Jann Horn
|
805d5a2b79 |
namespace: restrict OPEN_TREE_NAMESPACE/FSMOUNT_NAMESPACE to directories
open_tree(..., OPEN_TREE_NAMESPACE) and
fsmount(..., FSMOUNT_NAMESPACE, ...) currently work on non-directories,
like regular files. That's bad for two reasons:
- It ends up mounting a regular file over the inherited namespace root,
which is a directory; mounting a non-directory over a directory is
normally explicitly forbidden, see for example do_move_mount()
- It causes setns() on the new namespace to set the cwd to a regular
file, which the rest of VFS does not expect
Fix it by restricting create_new_namespace() (which is used by both of
these flags) to directories.
Leave the behavior for OPEN_TREE_CLONE as-is, that seems unproblematic.
Fixes:
|
||
|
Linus Torvalds
|
acb7500801 |
runtime verifier fixes for v7.1:
- Fix reset ordering on per-task destruction Reset the task before dropping the slot instead of after, which was causing out-of-bound memory accesses. - Fix HA monitor synchronization and cleanup Ensure synchronous cleanup for HA monitors by running timer callbacks in RCU read-side critical sections and using synchronize_rcu() during destruction. - Avoid armed timers after tasks exit Add automatic cleanup for per-task HA monitors to prevent timers from firing after task exit. - Fix memory ordering for DA/HA monitors Fix race conditions during monitor start by using release-acquire semantics for the monitoring flag. - Fix initialization for DA/HA monitors Ensure monitors are not initialized relying on potentially corrupted state like the monitoring flag, that is not reset by all monitors type and may have an unknown state in monitors reusing the storage (per-task). - Fix memory safety in per-task and per-object monitors Prevent use-after-free and out-of-bounds access by synchronizing with in-flight tracepoint probes using tracepoint_synchronize_unregister() before freeing monitor storage or releasing task slots. - Adjust monitors for preemptible tracepoints Fix monitors that relied on tracepoints disabling preemption. Explicitly disable task migration when per-CPU monitors handle events to avoid accessing the wrong state and update the opid monitor logic. - Fix incorrect __user specifier usage Remove __user from a non-pointer variable in the extract_params() helper. - Fix bugs in the rv tool Ensure strings are NUL-terminated, fix substring matching in monitor searches, and improve cleanup and exit status handling. - Fix several bugs in rvgen Fix LTL literal stringification, subparsers' options handling, and suffix stripping in dot2k. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaiiJqhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qlWSAQCZ6/v0Gyb+m7md9V65NWtAA3QKuJWU WvoQIjPLx+zCoAEAmfyhRxWGMKgBYn3yZfBU5nb1CBMcMStJ5Pp8b+uwNAs= =VjFc -----END PGP SIGNATURE----- Merge tag 'trace-rv-v7.1-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull runtime verifier fixes from Steven Rostedt: - Fix reset ordering on per-task destruction Reset the task before dropping the slot instead of after, which was causing out-of-bound memory accesses. - Fix HA monitor synchronization and cleanup Ensure synchronous cleanup for HA monitors by running timer callbacks in RCU read-side critical sections and using synchronize_rcu() during destruction. - Avoid armed timers after tasks exit Add automatic cleanup for per-task HA monitors to prevent timers from firing after task exit. - Fix memory ordering for DA/HA monitors Fix race conditions during monitor start by using release-acquire semantics for the monitoring flag. - Fix initialization for DA/HA monitors Ensure monitors are not initialized relying on potentially corrupted state like the monitoring flag, that is not reset by all monitors type and may have an unknown state in monitors reusing the storage (per-task). - Fix memory safety in per-task and per-object monitors Prevent use-after-free and out-of-bounds access by synchronizing with in-flight tracepoint probes using tracepoint_synchronize_unregister() before freeing monitor storage or releasing task slots. - Adjust monitors for preemptible tracepoints Fix monitors that relied on tracepoints disabling preemption. Explicitly disable task migration when per-CPU monitors handle events to avoid accessing the wrong state and update the opid monitor logic. - Fix incorrect __user specifier usage Remove __user from a non-pointer variable in the extract_params() helper. - Fix bugs in the rv tool Ensure strings are NUL-terminated, fix substring matching in monitor searches, and improve cleanup and exit status handling. - Fix several bugs in rvgen Fix LTL literal stringification, subparsers' options handling, and suffix stripping in dot2k. * tag 'trace-rv-v7.1-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: verification/rvgen: Fix ltl2k writing True as a literal verification/rvgen: Fix options shared among commands verification/rvgen: Fix suffix strip in dot2k tools/rv: Fix cleanup after failed trace setup tools/rv: Fix substring match when listing container monitors tools/rv: Fix substring match bug in monitor name search tools/rv: Ensure monitor name and desc are NUL-terminated rv: Use 0 to check preemption enabled in opid rv: Prevent task migration while handling per-CPU events rv: Ensure synchronous cleanup for HA monitors rv: Add automatic cleanup handlers for per-task HA monitors rv: Do not rely on clean monitor when initialising HA rv: Fix monitor start ordering and memory ordering for monitoring flag rv: Ensure all pending probes terminate on per-obj monitor destroy rv: Prevent in-flight per-task handlers from using invalid slots rv: Reset per-task DA monitors before releasing the slot rv: Fix __user specifier usage in extract_params() |
||
|
Linus Torvalds
|
06f4462d05 |
RTLA fixes for v7.1
- Fix multi-character short option parsing Fix regression in parsing of multiple-character short options (e.g. -p100 /= -p 100/, -un /= -u -n/) caused by getopt_long() internal state corruption after a refactoring. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaiiILRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qvKKAP9peFJI0pJhGz3xkBdtDjNeTw8k93QT aTutUb4tJUD92wD/QJ0FwiOyzOCqkBHAO2x2R4elTlGm4Wgz9cZXjzHWaw8= =0CcC -----END PGP SIGNATURE----- Merge tag 'trace-tools-v7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA fix from Steven Rostedt: - Fix multi-character short option parsing Fix regression in parsing of multiple-character short options (eg -p100 /= -p 100/, -un /= -u -n/) caused by getopt_long() internal state corruption after a refactoring. * tag 'trace-tools-v7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla: Fix parsing of multi-character short options |
||
|
Linus Torvalds
|
685441a6d3 |
11 hotfixes. 9 are for MM. 8 are cc:stable and the remaining 3
address post-7.1 issues or aren't considered suitable for backporting.
Thre's a 2 patch series "mm/damon/{reclaim,lru_sort}: handle ctx
allocation failures" from SeongJae Park which fixes a couple of DAMON
-ENOMEM bloopers. The rest are singletons - please see the individual
changelogs for details.
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Merge tag 'mm-hotfixes-stable-2026-06-08-20-51' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"11 hotfixes. 9 are for MM. 8 are cc:stable and the remaining 3 address
post-7.1 issues or aren't considered suitable for backporting.
Thre's a two-patch series "mm/damon/{reclaim,lru_sort}: handle ctx
allocation failures" from SeongJae Park which fixes a couple of DAMON
-ENOMEM bloopers. The rest are singletons - please see the individual
changelogs for details"
* tag 'mm-hotfixes-stable-2026-06-08-20-51' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/mincore: handle non-swap entries before !CONFIG_SWAP guard
arm64: mm: call pagetable dtor when freeing hot-removed page tables
mm/list_lru: drain before clearing xarray entry on reparent
mm/huge_memory: use correct flags for device private PMD entry
mm/damon/lru_sort: handle ctx allocation failure
mm/damon/reclaim: handle ctx allocation failure
zram: fix use-after-free in zram_bvec_write_partial()
MAINTAINERS: update Baoquan He's email address
tools headers UAPI: sync linux/taskstats.h for procacct.c
mm/cma_sysfs: skip inactive CMA areas in sysfs
ipc/shm: serialize orphan cleanup with shm_nattch updates
|
||
|
Linus Torvalds
|
fed2efe803 |
RDMA v7.1 second rc window
Several significant bug fixes of pre-existing issues:
- Missing validation on ucap fd types passed from userspace
- Missing validation of HW DMA space vs userpace expected sizes in EFA
queue setup
- DMA corruption when using DMA block sizes >= 4G when setting up MRs in
all drivers
- Missing validation of CPU IDs when setting up dma handles
- Missing validation of IB_MR_REREG_ACCESS when changing writability of a
MR
- Missing validation of received message/packet size in ISER and SRP
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Several significant bug fixes of pre-existing issues:
- Missing validation on ucap fd types passed from userspace
- Missing validation of HW DMA space vs userpace expected sizes in
EFA queue setup
- DMA corruption when using DMA block sizes >= 4G when setting up MRs
in all drivers
- Missing validation of CPU IDs when setting up dma handles
- Missing validation of IB_MR_REREG_ACCESS when changing writability
of a MR
- Missing validation of received message/packet size in ISER and SRP"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/srp: bound SRP_RSP sense copy by the received length
IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
RDMA: During rereg_mr ensure that REREG_ACCESS is compatible
RDMA/core: Validate cpu_id against nr_cpu_ids in DMAH alloc
RDMA/umem: Fix truncation for block sizes >= 4G
RDMA/efa: Validate SQ ring size against max LLQ size
RDMA/core: Validate the passed in fops for ib_get_ucaps()
|
||
|
Sean Christopherson
|
69397c92de |
KVM: x86/mmu: Recursively zap orphaned nested TDP shadow pages on emulated writes
Recursively zap orphaned nested TDP shadow pages when emulating a guest write to a shadowed page table, regardless of whether or not the associated (parent) shadow page will be zapped, e.g. due to detected write-flooding. This plugs a hole where KVM fails to reclaim defunct, unsync shadow pages for select L1 hypervisor patterns. Commit |
||
|
Michael Bommarito
|
13e91fd076 |
RDMA/srp: bound SRP_RSP sense copy by the received length
srp_process_rsp() copies sense data from rsp->data + resp_data_len,
where resp_data_len is the full 32-bit value supplied by the SRP target
and is never checked against the number of bytes actually received
(wc->byte_len). The copy length is bounded to SCSI_SENSE_BUFFERSIZE, so
at most 96 bytes are copied, but the source offset is not bounded.
A malicious or compromised SRP target on the InfiniBand/RoCE fabric that
the initiator has logged into can return an SRP_RSP with
SRP_RSP_FLAG_SNSVALID set and a large resp_data_len. The receive buffer
is allocated at the target-chosen max_ti_iu_len, so the source of the
sense copy lands past the bytes actually received; with resp_data_len
near 0xFFFFFFFF it is gigabytes past the buffer and the read faults.
Copy the sense data only if it has not been truncated, that is, only if
the response header, the response data, and the sense region fit within
the bytes actually received; otherwise drop the sense and log. The
in-tree iSER and NVMe-RDMA receive paths already bound their parse by
wc->byte_len; this brings ib_srp into line with them.
Fixes:
|
||
|
Michael Bommarito
|
29e7b925ae |
IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
In drivers/infiniband/ulp/isert/ib_isert.c, isert_login_recv_done()
computes the login request payload length as wc->byte_len minus
ISER_HEADERS_LEN with no lower bound, and login_req_len is a signed int.
A remote iSER initiator can post a login Send work request carrying
fewer than ISER_HEADERS_LEN (76) bytes, so the subtraction underflows
and login_req_len becomes negative.
isert_rx_login_req() then reads that negative length back into a signed
int, takes size = min(rx_buflen, MAX_KEY_VALUE_PAIRS), and because the
min() is signed it keeps the negative value; the value is then passed as
the memcpy() length and sign-extended to a multi-gigabyte size_t. The
copy into the 8192-byte login->req_buf runs far out of bounds and
faults, crashing the target node. The login phase precedes iSCSI
authentication, so no credentials are required to reach this path.
Reject any login PDU shorter than ISER_HEADERS_LEN before the
subtraction, mirroring the existing early return on a failed work
completion, so login_req_len can never go negative. The upper bound was
already safe: a posted login buffer cannot deliver more than
ISER_RX_PAYLOAD_SIZE, so the difference stays at or below
MAX_KEY_VALUE_PAIRS and the existing min() clamps it; only the missing
lower bound needs to be added.
Fixes:
|
||
|
Jason Gunthorpe
|
badad6fad6 |
RDMA: During rereg_mr ensure that REREG_ACCESS is compatible
If IB_MR_REREG_ACCESS changes from RO to RW then the umem has to be
re-evaluated to ensure it is properly pinned as RW. Since the umem is
hidden inside each driver's mr struct add a ib_umem_check_rereg() function
that each driver has to call before processing IB_MR_REREG_ACCESS.
mlx4 has to retain its duplicate ib_access_writable check because it
implements IB_MR_REREG_ACCESS | IB_MR_REREG_TRANS by changing both items
in place sequentially while the MR is live, so it will continue to not
support this combination.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Carlos López
|
65aa483f32 |
Documentation: KVM: Synchronize x86 VM types
KVM has reflected KVM_X86_SNP_VM to userspace since |
||
|
Sean Christopherson
|
2c725bd280 |
KVM: selftests: Add regression test for mediated PMU fixed counter filter bug
Add a regression test where KVM would inadvertently ignore PMU event filters on writes that change _some_ bits in FIXED_CTR_CTRL, but not the enable bits for PMCs that are denied to the guest. Link: https://patch.msgid.link/20260603231905.1738487-3-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
||
|
Sean Christopherson
|
9c6e2463c9 |
KVM: x86/pmu: Use hardware value when reprogramming for FIXED_CTR_CTRL changes
When (conditionally) reprogramming fixed counters, use the hardware value of FIXED_CTR_CTRL to detect changes, not the guest's original value. For guests with a mediated PMU, overwriting fixed_ctr_ctrl_hw at the start of reprogramming without actually reacting to changes in fixed_ctr_ctrl_hw can lead to KVM ignoring PMU event filters. E.g. if the guest attempts to enable a fixed PMC that is disallowed, and then toggles a different PMC in a subsequent WRMSR, KVM will update pmu->fixed_ctr_ctrl_hw and reprogram the PMC that is changing, but not the others that are now effectively enabled in pmu->fixed_ctr_ctrl_hw. Note, the perf-based PMU is unaffected, as it doesn't use fixed_ctr_ctrl_hw (which is also why keying off fixed_ctr_ctrl_hw works for both PMUs. Note #2, fixed_ctr_ctrl_hw won't mess up pmc_in_use either, because the latter isn't used by the mediated PMU. Its purpose is solely to release perf events that are no longer being actively used, and the meadiated PMU obviously doesn't create perf events. Reported-by: Sashiko <sashiko-bot@kernel.org> Closes: https://lore.kernel.org/all/20260528005419.0228F1F00A3A@smtp.kernel.org Link: https://patch.msgid.link/20260603231905.1738487-2-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
||
|
Hyunwoo Kim
|
4721f8160f |
KVM: x86: hyper-v: Bound the bank index when querying sparse banks
When checking if a VP ID is included in a sparse bank set, explicitly check
that the ID can actually be contained in a sparse bank (the TLFS allows for
a maximum of 64 banks of 64 vCPUs each). When handling a paravirtual TLB
flush for L2, the VP ID is copied verbatim from the enlightened VMCS,
without any bounds check, i.e. isn't guaranteed to be under the limit of
4096.
Failure to check the bounds of the VP ID leads to an out-of-bounds read
when testing the sparse bank, and super strictly speaking could lead to KVM
performing an unnecessary TLB flush for an L2 vCPU.
==================================================================
BUG: KASAN: use-after-free in hv_is_vp_in_sparse_set+0x85/0x100 [kvm]
Read of size 8 at addr ffff88811ba5f598 by task hyperv_evmcs/2802
CPU: 12 UID: 1000 PID: 2802 Comm: hyperv_evmcs Not tainted 7.1.0-rc2 #7 PREEMPT
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
Call Trace:
<TASK>
dump_stack_lvl+0x51/0x60
print_report+0xcb/0x5d0
kasan_report+0xb4/0xe0
kasan_check_range+0x35/0x1b0
hv_is_vp_in_sparse_set+0x85/0x100 [kvm]
kvm_hv_flush_tlb+0xe9e/0x16c0 [kvm]
kvm_hv_hypercall+0xe6b/0x1e60 [kvm]
vmx_handle_exit+0x485/0x1b60 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0x22e3/0x5070 [kvm]
kvm_vcpu_ioctl+0x5d0/0x10c0 [kvm]
__x64_sys_ioctl+0x129/0x1a0
do_syscall_64+0xb9/0xcf0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7f0e62d1a9bf
</TASK>
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x11ba5f
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 0000000000000000 00000000ffffffff 0000000000000000
raw: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88811ba5f480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff88811ba5f500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88811ba5f580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff88811ba5f600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff88811ba5f680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
Disabling lock debugging due to kernel taint
Opportunistically add a compile time assertion to ensure the maximum number
of sparse banks exactly matches the number of possible bits in the passed
in mask.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Michael S. Tsirkin
|
48dbe47321 |
KVM: guest_memfd: fix NUMA interleave index double-counting
kvm_gmem_get_policy() sets the interleave index (the output param that's typically named "ilx") to the full page offset (vm_pgoff + vma offset). But get_vma_policy() adds the page offset on top of the interleave index, and so the offset is counted twice. This causes NUMA interleaving to skip nodes: for order-0 pages the effective index jumps by 2 for each consecutive page. The vm_op.get_policy() implementation should return only a per-file bias in the interleave index (like shmem_get_policy does with inode->i_ino), letting get_vma_policy() add the page-offset component. Fix by setting the output interleave index to the inode number (a la shmem) instead of the full page offset, as the index is intended to be a constant, semi-random value for a given file, e.g. so that interleaving doesn't start at the same node for every file, and so that allocations are round-robined across nodes based on the page offset (the selected node would bounce/skip around if the index isn't constant). Found by Sashiko (sashiko.dev) AI code review. Fixes: |
||
|
Linus Torvalds
|
2d3090a8ae |
This push contains the following changes:
- Fix random config build failure on s390. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmoZLIgACgkQxycdCkmx i6fFgw//QgEmeQwGxgW75DGyP79CWNQEKwAtV7dm2e2jGpGIN5RBUTqIqsvv6ZnU 5TqvZZ91OtCcrLOYaZONfMeuhFAAq639AsZJEcoveWw62PMciebNwXGdUznqc1oo eL5umuiSvrpqnrqly3sEgBpKzNNclH24SOuyBSvaA+nuPXi5mqgrPF4DiCgZEUA+ 7hu0Jj5905EWpnhBpbjQ8qIkrZcG6xGZQMZTPZ/sKg6vIuFfzmmhl6l74qH1YciS rDQWZTnGwLwrxmJQibqaWMN6MQ2jwuAYT3wDDDI91o0hpgucuEVmIC8l6gGmSeBh S9GmBF+wfOf0+f4AeYQU4zD36dXRf90gtqTRYqyIlb+5LW+UzKqHol8zobtma6Mq IYCunmTHDHJW2QfAoJ032HR7rr53QqSNb0XOr2MJzDx4+2ZeccgyNG6hL6TFTyYQ 4JoxjJG3QcU0OH8i9m3IA8bShM/2AXzjztLipz0LbYfB32Xe5S6iZQ7jXUAMuUqB kY1cr1/Pw/xMFeGfy9iZnYPKyxD0ax8lGAh94ztuQQOqH/JvRiDdzJzY4xBPpEDm SG7Axn91e40oygzvsNcs1/1vHPRsbN3p2Rfw1Ty9VjELgGVT9jVy/ynCq7S+z1fq lJ989SAJ2Zr6LLTx/UGOLKEww3QgA0PJFJwdRsW1sBzuh/j8gZg= =YY4W -----END PGP SIGNATURE----- Merge tag 'v7.1-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: - Fix random config build failure on s390. * tag 'v7.1-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: s390 - add select CRYPTO_AEAD for aes |
||
|
Linus Torvalds
|
e92a762877 |
hyperv-fixes for v7.1-rc8
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmomTIwTHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXqyECADL9eYwEkfwQDB+CmyemmINo/wvOfGu u6husKyGqs3eBe7sPtERarHtN8UlQMGLMVd2CR8QqtD+P9yZjSnNX54ljtweEdIr eAijVHEFmw1e1Lo/lGOv8eldNP3FuUGopz6rkfuQ2S+6xZ9MHIYda5MCZ3I0rbOe Mq+aB17Qhvqp+O4+zfk5wDh9OJ1Wa5c0U0xfKx51SX4qf1KDL7AUIz0Cyy7P8h5q u7MDYFaE4U9d8M5GbRQUGyHr6W0YQuMMUW5Ip04OsQXRKyMR5W20dFtiwoqI4UbF loWUakk4RkC9tEMs6WeLSvqrLgKqbqfDOScYB8OPEUlh5CRMhYp7uhkA =fcaL -----END PGP SIGNATURE----- Merge tag 'hyperv-fixes-signed-20260607' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv fixes from Wei Liu: - MSHV driver fixes from various people (Anirudh Rayabharam, Can Peng, Dexuan Cui, Michael Kelley, Jork Loeser, Wei Liu) - Hyper-V user space tools fixes (Thorsten Blum) - Allow VMBus to be unloaded after frame buffer is flushed (Michael Kelley) * tag 'hyperv-fixes-signed-20260607' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: mshv: support 1G hugepages by passing them as 2M-aligned chunks Drivers: hv: vmbus: Improve the logic of reserving fb_mmio on Gen2 VMs mshv: use kmalloc_array in mshv_root_scheduler_init mshv: Add conditional VMBus dependency hyperv: Clean up and fix the guest ID comment in hvgdk.h drm/hyperv: During panic do VMBus unload after frame buffer is flushed Drivers: hv: vmbus: Provide option to skip VMBus unload on panic mshv: unmap debugfs stats pages on kexec mshv: clean up SynIC state on kexec for L1VH mshv: limit SynIC management to MSHV-owned resources hv: utils: replace deprecated strcpy with strscpy in kvp_register hv: utils: handle and propagate errors in kvp_register mshv: add a missing padding field |
||
|
Rafael J. Wysocki
|
6100a82e34 |
amd-pstate fixes for 7.1 (2026-06-02)
* Fix a kdoc issue * Fix an issue setting performance state in EPP mode introduced earlier in the cycle from new 7.1 content -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEECwtuSU6dXvs5GA2aLRkspiR3AnYFAmofFnsTHHN1cGVybTFA a2VybmVsLm9yZwAKCRAtGSymJHcCdnUxEADH6N8YuF+NVJ+rx/v0YPouzeTPX9F9 UJ6MJgS2aIXpnWd3CmrH2CzhEu8/7oVW/5pRv6wMPdDM2NZnmazFwYZgRsRuW3uZ GrkCFO50sbBBZjt3p8qbiIa+qb3QHkC5+dDP8SHLK7H7UyVcL8bNeXMn1kItJYAk Dnckyrx2ZT9I2pWXUiL5H5IOUPXm3ncWT3B/k4NSI2HGoAONu41Nb91WMZnbMM50 r+kTejYF83c+HdxiUR70zwGHaeqenS4MibHsmeqU13MX2uqT5Mzj0W6b3f2tgsSo qE4/exiCufXNSJCsVNjUCZNY408SZ1MHow14T3aCWRsBb2ou1WNy9AYuteuC1bdM YoFHy2dcEFA0rg7hq6N5SeUGPhrZICCBk02VSDjXOQ82Dl5VXPEST7YmG5dvrll/ HSpcz0CFyD2swDRE4V5avzizJtLc0KtOKCdrqyVx3eh+5pKi5sOWhIM97ck/f7aV ZstHeYm//azficWslWc7orv9LwvgEg+FxInaEcS1/Oe0A3h5PqM/NNK33Fuiflio 8jW8NDNoHtAHOfmO98N3+Kl4/h0atvpPi8YfBUuLGgpQUabVM2flwPMmGW9du2JT b78kPNlmjaIC1DEW6KiGyTYVJJdEG4d+NUn5TlaSgkTJ362VJReWUevXkKat5dQQ fvFzOa0aSbSlmQ== =GCJw -----END PGP SIGNATURE----- Merge tag 'amd-pstate-v7.1-2026-06-02' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux Pull amd-pstate fixes for 7.1 (2026-06-02) from Mario Limonciello: "* Fix a kdoc issue * Fix an issue setting performance state in EPP mode introduced earlier in the cycle from new 7.1 content" * tag 'amd-pstate-v7.1-2026-06-02' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux: cpufreq/amd-pstate: Fix setting EPP in performance mode cpufreq/amd-pstate: drop stale @epp_cached kdoc |
||
|
Linus Torvalds
|
4549871118 | Linux 7.1-rc7 | ||
|
Linus Torvalds
|
c68691dc1d |
Miscellaneous x86 fixes:
- Add more AMD Zen6 models (Pratik Vishwakarma)
- Avoid confusing bootup message by the Intel resctl enumeration
code when running on certain AMD systems (Tony Luck)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Add more AMD Zen6 models (Pratik Vishwakarma)
- Avoid confusing bootup message by the Intel resctl enumeration
code when running on certain AMD systems (Tony Luck)
* tag 'x86-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Only check Intel systems for SNC
x86/CPU/AMD: Add more Zen6 models
|
||
|
Linus Torvalds
|
09feffa073 |
Miscellaneous timer fixes:
- Fix the arch_inlined_clockevent_set_next_coupled() prototype
in the !CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST case
(Naveen Kumar Chaudhary)
- Fix an off-by-1 bug in the sys_settimeofday() usecs validation
code (Naveen Kumar Chaudhary)
- Mark vdso_k_*_data pointers as __ro_after_init
(Thomas Weißschuh)
- Fix livelock race in tmigr_handle_remote_up()
(Amit Matityahu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
- Fix the arch_inlined_clockevent_set_next_coupled() prototype in the
!CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST case (Naveen Kumar Chaudhary)
- Fix an off-by-1 bug in the sys_settimeofday() usecs validation code
(Naveen Kumar Chaudhary)
- Mark vdso_k_*_data pointers as __ro_after_init (Thomas Weißschuh)
- Fix livelock race in tmigr_handle_remote_up() (Amit Matityahu)
* tag 'timers-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers/migration: Fix livelock in tmigr_handle_remote_up()
vdso/datastore: Mark vdso_k_*_data pointers as __ro_after_init
time: Fix off-by-one in settimeofday() usec validation
clockevents: Fix duplicate type specifier in stub function parameter
|
||
|
Linus Torvalds
|
77e8e6861b |
- Fix uninitialized stack variable in rseq_exit_user_update()
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||
|
Linus Torvalds
|
96c1ddbc16 |
Misc locking fixes:
- Fix a NULL pointer dereference bug in the FUTEX_CMP_REQUEUE_PI
code (Ji'an Zhou)
- Fix a NULL pointer dereference bug in the rtmutex code
(Davidlohr Bueso)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
- Fix a NULL pointer dereference bug in the FUTEX_CMP_REQUEUE_PI
code (Ji'an Zhou)
- Fix a NULL pointer dereference bug in the rtmutex code (Davidlohr
Bueso)
* tag 'locking-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Skip remove_waiter() when waiter is not enqueued
futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock
|
||
|
Linus Torvalds
|
e2264c52e1 |
regulator: Fix for v7.1
Arnd's randconfig testing turned up a missing selection of CONFIG_IRQ_DOMAIN which was causing build breaks. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmolTPsACgkQJNaLcl1U h9Bl/Qf8Dnbw3XoVw2UwJShpXGwPy5QJm0DTDcWOsiiRBge1qLpef+N+7oVf8yxJ O+03DLHEfTe27YU49M76TIzpYakLvR0QVMK5Zg01ffQOCXT1CMTOR6KFeEaP1AOE Fm2LU50IrQtor4WtuWxVzOu/jBZkli2l+0qeElJwsReWCigBFC6crx+wtSxc9YI4 U1H/iEcH+Yu2syLHMH0uAa+2OFsgVQEdz2wZn0unkkB9JcqjCB/dtNntrqxsGLX1 Xq3Xs/KhHMpOS6+zaPHR8qgzf3q2znsnUfW4gitKGHaQwP9o9JxKfNMm47H8eFAm 8XqW+ktte4lazvfvpwZKSJ04AVy1aA== =AwZI -----END PGP SIGNATURE----- Merge tag 'regulator-fix-v7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fix from Mark Brown: "Arnd's randconfig testing turned up a missing selection of CONFIG_IRQ_DOMAIN which was causing build breaks" * tag 'regulator-fix-v7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: mt6363: select CONFIG_IRQ_DOMAIN |
||
|
Linus Torvalds
|
33d8d8ec31 |
Input updates for v7.1-rc6
- two quirks for atkbd to deal with laptops that can not handle "deactivate" command on the keyboard PS/2 port. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCaiT7xAAKCRBAj56VGEWX nIomAQDJ9sUO/BpoilRA48fsZr+BMOBmnAvtm6MlpnWkrJKFwAD8D7SmCEwY+blM cmBR5dHgGzb5PD1smow4kGTW7HV20wA= =9ZkJ -----END PGP SIGNATURE----- Merge tag 'input-for-v7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - two quirks for atkbd to deal with laptops that can not handle "deactivate" command on the keyboard PS/2 port * tag 'input-for-v7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: atkbd - skip deactivate for HONOR BCC-N's internal keyboard Input: atkbd - add DMI quirk for Lenovo Yoga Air 14 (83QK) |
||
|
Richard Patel
|
15b4155138 |
riscv: cfi: reject unknown flags in PR_SET_CFI
prctl(PR_SET_CFI,PR_CFI_BRANCH_LANDING_PADS) silently ignored
unknown control values. Only PR_CFI_{ENABLE,DISABLE,LOCK} should
be permitted.
This changes the behavior of the uABI (fails previously accepted bits
with EINVAL).
Fixes:
|
||
|
Nam Cao
|
aad60bdd0b |
riscv: Fix fast_unaligned_access_speed_key not getting initialized
The static key fast_unaligned_access_speed_key is supposed to be
initialized after check_unaligned_access_all_cpus() has been completed.
However, check_unaligned_access_all_cpus() has been moved to late_initcall
while setting fast_unaligned_access_speed_key still happens at
arch_initcall_sync, thus the static key does not get properly initialized.
fast_unaligned_access_speed_key can still be initialized in CPU hotplug
events, but that cannot be relied on.
Move fast_unaligned_access_speed_key's initialization into
check_unaligned_access_all_cpus() to fix this issue. This also prevent
someone from moving one initcall while forgetting the other in the future.
Fixes:
|
||
|
Andreas Schwab
|
e3573f739e |
riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI
Fixes a warning while dumping core:
[54983.546369][ C7] WARNING: [!note_name] fs/binfmt_elf.c:1771 at elf_core_dump+0x910/0xf68, CPU#7: abort01/31982
Fixes:
|
||
|
Nathan Chancellor
|
979c294509 |
cfi: Include uaccess.h for get_kernel_nofault()
After commit |
||
|
Cryolitia PukNgae
|
fb402386af |
Input: atkbd - skip deactivate for HONOR BCC-N's internal keyboard
After commit |
||
|
Linus Torvalds
|
6086121dc4 |
sound fixes for 7.1-rc7
It's getting calmer, but we cam up with still a handful small fixes, including two core fixes. All look sane and safe. * Core: - Fix wait queue list corruption in snd_pcm_drain() on linked streams - Fix UMP event stack overread in seq dummy driver * USB-audio: - Add quirk for AB13X USB Audio - Fix the regression with sticky mixer volumes in 7.1-rc * ASoC: - Fix 32-slot TDM breakage on Freescale SAI - Varioud DMI quirks for AMD ACP -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmokRfcOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE9uuw/9Fjp6ZQOfGXWzrn4UFiCPE2mzVNbclSIYIIUI iPRAM7+66Rj5IjPaY/a+csAjRAAodqYoTtZgA8rFfjpv4T4nEUbSfEFWnV252vzM JAHZxq4uuxEqUoy7iXPp4k3k9MzEY7AlOYm2F+3CY9cSwn3hwedD03Uq+2qzupmK GrVbYhsJD672rFWM9wmGS4hxarEbXjdtxXJ0i9m10/ydJ8bafURcAO62/74ly/JC YpF4EJpM1oYlDXrsDvWz226MTiu1o/NuIWU5cHEHeMejX5HXKpdR54mVcR9T/CO4 KCw2M2nddn92zInm4yRM05MS2dvlcVxixITTclnRS6bFi0N53wWuX2B1UHYiI+Ko aKM9Ph3GCaWP+4LwEXM0qG5AscRmpJ5aDx22SLB0ObdjjA4boYIrkLSQeocyWrP3 9JucaBD36IEYfwbYN4rK1iEBktzoPzTR57GGqVav0+B4b6D688mlgGjo4WtFowc1 F7AFrwmVozbKyAkq2gqF/6ufIrEY8RB+bRr41MtaG89gu6EiEyNE7V52Jg0WDr7L yw/XtZtN4H2t2TO+0hKTV0sLR1HPC/PoCNb5ayHq/8jpcKJ8uC0KfyxVsgpaC0AZ 3CmtQ4J3hWAFx0Hrl0YKH33taQyAD9M/iOa8WV068YoaxamrkmC3wpIV6C86wL8C FbUW4Uk= =HHlm -----END PGP SIGNATURE----- Merge tag 'sound-7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "It's getting calmer, but we still came up with a handful of small fixes, including two core fixes. All look sane and safe. Core: - Fix wait queue list corruption in snd_pcm_drain() on linked streams - Fix UMP event stack overread in seq dummy driver USB-audio: - Add quirk for AB13X USB Audio - Fix the regression with sticky mixer volumes in 7.1-rc ASoC: - Fix 32-slot TDM breakage on Freescale SAI - Varioud DMI quirks for AMD ACP" * tag 'sound-7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: seq: dummy: fix UMP event stack overread ALSA: usb-audio: Add iface reset and delay quirk for AB13X USB Audio ALSA: PCM: Fix wait queue list corruption in snd_pcm_drain() on linked streams ASoC: amd: acp70: add standalone RT721 SoundWire machine ASoC: amd: yc: Add MSI Raider A18 HX A9WJG to quirk table ASoC: fsl_sai: Fix 32 slots TDM broken by integer shift UB in xMR write ASoC: amd: yc: Enable internal mic on MSI Bravo 17 C7VF ASoC: amd: acp: Add DMI quirk for Lenovo Yoga Pro 7 15ASH11 ALSA: usb-audio: Set the value of potential sticky mixers to maximum |
||
|
Linus Torvalds
|
d054796f8b |
Rust fixes for v7.1 (2nd)
Toolchain and infrastructure:
- Fix 'rustc-option' (the Makefile one) when cross-compiling that leads
to build or boot failures in certain configs.
- Work around a Rust compiler bug (already fixed for Rust 1.98.0) thats
lead to boot failures in certain configs due to missing 'uwtable'
LLVM module flags.
- Support a Rust compiler change (starting with Rust 1.98.0) in the
unstable target specification JSON files.
- Forbid Rust + arm + KASAN configs, which do not build.
'kernel' crate:
- Fix NOMMU build by adding a missing helper.
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Merge tag 'rust-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Fix 'rustc-option' (the Makefile one) when cross-compiling that
leads to build or boot failures in certain configs
- Work around a Rust compiler bug (already fixed for Rust 1.98.0)
thats lead to boot failures in certain configs due to missing
'uwtable' LLVM module flags
- Support a Rust compiler change (starting with Rust 1.98.0) in the
unstable target specification JSON files
- Forbid Rust + arm + KASAN configs, which do not build
'kernel' crate:
- Fix NOMMU build by adding a missing helper"
* tag 'rust-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: x86: support Rust >= 1.98.0 target spec
rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES
rust: helpers: add is_vmalloc_addr wrapper for NOMMU builds
rust: kasan/kbuild: fix rustc-option when cross-compiling
ARM: Do not select HAVE_RUST when KASAN is enabled
|
||
|
Linus Torvalds
|
76351effa5 |
vfs-7.1-rc7.fixes
Please consider pulling these changes from the signed vfs-7.1-rc7.fixes tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaiQb2wAKCRCRxhvAZXjc ol4fAP46Ta2gcT8uzJRHaXo3HMWJYY02dK1pXQ4zZDdiQMMSTgEAuaj/mOvx0VeX prloV/t7TBri6GAiWeE7Wu54d9rJZQ4= =clMX -----END PGP SIGNATURE----- Merge tag 'vfs-7.1-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - Fix error handling in ovl_cache_get() - Tighten access checks for exited tasks in pidfd_getfd() - Fix selftests leak in __wait_for_test() - Limit FUSE_NOTIFY_RETRIEVE to uptodate folios - Reject fuse_notify() pagecache ops on directories - Clear JOBCTL_PENDING_MASK for caller in zap_other_threads() - Fix failure to unlock in nfsd4_create_file() - Fix pointer arithmetic in qnx6 directory iteration - Fix UAF due to unlocked ->mnt_ns read in may_decode_fh() - Avoid potential null folio->mapping deref during iomap error reporting * tag 'vfs-7.1-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: iomap: avoid potential null folio->mapping deref during error reporting fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() fs/qnx6: fix pointer arithmetic in directory iteration VFS: fix possible failure to unlock in nfsd4_create_file() signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads() fuse: reject fuse_notify() pagecache ops on directories fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios selftests: harness: fix pidfd leak in __wait_for_test pidfd: refuse access to tasks that have started exiting harder ovl: keep err zero after successful ovl_cache_get() |
||
|
Linus Torvalds
|
8e65320d91 |
drm fixes for 7.2-rc6
core: - disable the gem change handle ioctl for security reasons (plan to fix it on list later with proper test coverage) dumb-buffer: - remove strict limits on buffer geometry amdgpu: - BT.2020 fix for DCE - DC bounds checking fixes - SDMA 7.1 fix - UserQ fixes - SI fix - SMU 13 fixes - SMU 14 fixes - GC 12.1 fix - Userptr fix - GC 10.1 fix - GART fix for non-4K pages amdkfd: - UAF race fix - Fix a potential NULL pointer dereference - GC 11 buffer overflow fix for SDMA xe: - Revert removing support for unpublished NVL-S GuC - Suspend fixes related to multi-queue i915: - Fix color blob reference handling in intel_plane_state - Revert "drm/i915/backlight: Remove try_vesa_interface" ethosu: - reject unsupported NPU_OP_RESIZE - fix index of IFM region - fix weight index - fix overflows in DMA-size calculations - reject DMA commands with uninitialized length - fix OOB write in ethosu_gem_cmdstream_copy_and_validate imx: - fix kernel-doc warnings ivpu: - add overflow checks in firmware handling and get_info_ioctl v3d: - wait for pending L2T flush before cleaning caches - fix leak of vaddr - skip CSD when it has zeroed workgroups - fix ref counting in performance monitoring -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmojVuUACgkQDHTzWXnE hr4uYxAAlYQS0NuQoNrXkLG/4jIwD8aG+83bnUWCEYn59Qurk7ojH4frwDSkxSi/ Klqzk1zdbsIC6LOjI1gevhBY1Z1ASgzBAr7G44lpofeGI7zdxiSAZ6lEu9ClUVLI I6dO73xLtGve5/0pgTrxsSz5p8ZKJhLSHhBf0oCyaKxGEsrirWR3ofV5RqWMy4HS +Y/wouBG69pe8B3OK8SZhXQhJxvhnws6i8p4+pMSAhfICIsMh5aTLsNEwRxdIGzh xXaOsE+mrhWOd6vmwK4qX4HprSocNTJyoRW7hkIFeWLwn0ZIJAmKwgWxmMAgebBe RRHB5dBAm0Krn3RDc1od8dqwZ6YxWRDi1rROJmV93u+qKoYdAIoxpofTW6eB4p4q lphLjTM0EQvreF4XShydMPWta5tiEYIUFL4OWf1eUR8C9Ejd0G8CeKZpDT/gLwWO lxozV9+EZdLAkaGLoBxeghCZPBlsmkYWZ8M++8jLaJQWx1QeCSBCulMEyDEO2MN6 4kM+awVZJ3Ou28Pjux23jSXxRgzRC/Bk373MEijX9FnB2lEYmgFDs9+kMNX1dmsj BcRi8+XSoUh9m1PoLuM+t+/Q+0neUdIfAX/6hqwbWp3knXtM7lQmUpgSo1hcpmop vMIbWZT3/ZjoFrwJSv1HuvYzpiF7YTCzv/BpVZU938FLMyBcOlk= =mrV8 -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2026-06-06' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Weekly drm fixes, not contributing to things settling down unfortunately. Lots of driver fixes for various bounds checks, leaks and UAF type things, i915/xe probably the most sane, amdgpu has a mix of fixes all over, then ethosu has lots of small fixes. The problem of fixing thing in private has really hit us with the change handle ioctl, and "Sima was right" and we should have disabled the ioctl, since it was only introduced a couple of kernels ago and failed to upstream it's tests in time. The patch here fixes the problems Sima identified, but disables the ioctl as well, with a list of known problems in it and a request for proper tests to be written and upstreamed. It's a niche user ioctl designed for CRIU with AMD ROCm, so I think it's fine to just disable it. Maybe this week will settle down. core: - disable the gem change handle ioctl for security reasons (plan to fix it on list later with proper test coverage) dumb-buffer: - remove strict limits on buffer geometry amdgpu: - BT.2020 fix for DCE - DC bounds checking fixes - SDMA 7.1 fix - UserQ fixes - SI fix - SMU 13 fixes - SMU 14 fixes - GC 12.1 fix - Userptr fix - GC 10.1 fix - GART fix for non-4K pages amdkfd: - UAF race fix - Fix a potential NULL pointer dereference - GC 11 buffer overflow fix for SDMA xe: - Revert removing support for unpublished NVL-S GuC - Suspend fixes related to multi-queue i915: - Fix color blob reference handling in intel_plane_state - Revert "drm/i915/backlight: Remove try_vesa_interface" ethosu: - reject unsupported NPU_OP_RESIZE - fix index of IFM region - fix weight index - fix overflows in DMA-size calculations - reject DMA commands with uninitialized length - fix OOB write in ethosu_gem_cmdstream_copy_and_validate imx: - fix kernel-doc warnings ivpu: - add overflow checks in firmware handling and get_info_ioctl v3d: - wait for pending L2T flush before cleaning caches - fix leak of vaddr - skip CSD when it has zeroed workgroups - fix ref counting in performance monitoring" * tag 'drm-fixes-2026-06-06' of https://gitlab.freedesktop.org/drm/kernel: (50 commits) drm/gem: Try to fix change_handle ioctl, attempt 4 Revert "drm/i915/backlight: Remove try_vesa_interface" accel/ethosu: fix OOB write in ethosu_gem_cmdstream_copy_and_validate() accel/ethosu: reject DMA commands with uninitialized length accel/ethosu: fix arithmetic issues in dma_length() accel/ethosu: fix wrong weight index in NPU_SET_SCALE1_LENGTH on U85 accel/ethosu: reject NPU_OP_RESIZE commands from userspace accel/ethosu: fix IFM region index out-of-bounds in command stream parser drm/v3d: Fix global performance monitor reference counting drm/xe/multi_queue: skip submit when primary queue is suspended drm/xe: Clear pending_disable before signaling suspend fence Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" drm/amd/pm: smu_v14_0_0: use SoftMin for gfxclk in set_soft_freq_limited_range drm/amdgpu: Fix incorrect VRAM GART mappings on non-4K page size systems drm/amdgpu/userq: move wptr_obj cleanup in mqd_destroy drm/amdgpu: improve the userq seq BO free bit lookup drm/amdgpu/userq: remove the vital queue unmap logging drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11 drm/amdkfd: fix NULL dereference in get_queue_ids() drm/amdgpu: set noretry=1 as default for GFX 10.1.x (Navi10/12/14) ... |
||
|
Simona Vetter
|
1a4f03d22f |
drm/gem: Try to fix change_handle ioctl, attempt 4
[airlied: just added some comments on how to reenable] On-list because the cat is out of the bag and we're clearly not good enough to figure this out in private. The story thus far: |
||
|
Dave Airlie
|
8ff3adc8c3 |
Merge tag 'drm-intel-fixes-2026-06-05' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Fix color blob reference handling in intel_plane_state (Chaitanya Kumar Borah) - Revert "drm/i915/backlight: Remove try_vesa_interface" [backlight] (Suraj Kandpal) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tursulin@igalia.com> Link: https://patch.msgid.link/aiKgmwz7VGOaFXIv@linux |
||
|
Dave Airlie
|
f80cbe57ec |
Short summary of fixes pull:
dumb-buffer: - remove strict limits on buffer geometry ethosu: - reject unsupported NPU_OP_RESIZE - fix index of IFM region - fix weight index - fix overflows in DMA-size calculations - reject DMA commands with uninitialized length - fix OOB write in ethosu_gem_cmdstream_copy_and_validate imx: - fix kernel-doc warnings ivpu: - add overflow checks in firmware handling and get_info_ioctl v3d: - wait for pending L2T flush before cleaning caches - fix leak of vaddr - skip CSD when it has zeroed workgroups - fix ref counting in performance monitoring -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmoiedAbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJEGgNwR1TC3ojlPgH/3dtzYxSDc/66kxFEdYw RUOemMjs+EbT8+NU9k0H4rI3IWur8IzOEBXvlVSGwe4J2RusqWDnKpbJij34VgZq 524oSLk92Me+VmO3L3QE07OaZ233tOKYKV44CZraBcBVAl4NSnnmf2pV3yrddsBQ 8vKJPmSCRMiQprkFYcyQc6YEbix/MVXMLRUxS0lNZzCtH5594Ft2ugD+4VMl1Bkd sMi8dMYQrsv2qsgRJhvZHOjT7E1mJuH6DLEn7jgvx3oO4ONZWb4kJ7clgozsLcZn hLFgtQMh8AR+lJaDshRVj5P+xlzgoGkM7eLEjSTQWv1VQ9EMw4/orOWpm55U9v17 4gY= =lxiE -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2026-06-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: dumb-buffer: - remove strict limits on buffer geometry ethosu: - reject unsupported NPU_OP_RESIZE - fix index of IFM region - fix weight index - fix overflows in DMA-size calculations - reject DMA commands with uninitialized length - fix OOB write in ethosu_gem_cmdstream_copy_and_validate imx: - fix kernel-doc warnings ivpu: - add overflow checks in firmware handling and get_info_ioctl v3d: - wait for pending L2T flush before cleaning caches - fix leak of vaddr - skip CSD when it has zeroed workgroups - fix ref counting in performance monitoring Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patch.msgid.link/20260605072602.GA268798@linux.fritz.box |