permission_fault identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

arch/x86/kvm/mmu.h, line 274 (as a function)

Referenced in 2 files:

Smatch caller information:

arch/x86/kvm/mmu/mmu.c ept_walk_addr_generic() -> permission_fault()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	0	vcpu->arch.emulate_ctxt->ops->get_cr	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.mmu	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->run->debug.arch.exception	1,3
PARAM_VALUE	0	vcpu->run->emulation_failure.flags	0-1
PARAM_VALUE	0	vcpu->run->emulation_failure.insn_size	1-255
PARAM_VALUE	0	vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->run->emulation_failure.suberror	1
PARAM_VALUE	0	vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->run->internal.ndata	0,2,4-5
PARAM_VALUE	0	vcpu->run->internal.suberror	1-4
PARAM_VALUE	0	vcpu->run->memory_fault.flags	0,8
PARAM_VALUE	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520
PARAM_VALUE	0	vcpu->run->memory_fault.size	4096
PARAM_VALUE	0	vcpu->run->mmio.is_write	0-1
PARAM_VALUE	0	vcpu->run->mmio.len	0-8
PARAM_VALUE	0	vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	1	w	4096-ptr_max
PARAM_VALUE	2	pte_access	0-15
PARAM_VALUE	3	pte_pkey	0
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	1	w	(-1),168
BUF_SIZE	1	w	(-1),168
CAPPED_DATA	0	vcpu->arch.mmu	1
DATA_SOURCE	0	vcpu	$1
DATA_SOURCE	1	w	$2
DATA_SOURCE	2	pte_access	r ept_gpte_access
DATA_SOURCE	3	pte_pkey	r ept_gpte_pkeys
DATA_SOURCE	4	access	$4
NOSPEC	0	vcpu->arch.mmio_gfn
NOSPEC	0	vcpu->arch.xen.runstate_cache.uhva
HOST_DATA	0	vcpu->arch.host_debugctl	0-u64max[c]
USER_DATA	0	vcpu->arch.cr8	0-14
USER_DATA	0	vcpu->arch.mmio_gfn	0-4503599627370495[c]
USER_DATA	0	vcpu->arch.mmu->root.pgd	0-u64max
USER_DATA	0	vcpu->arch.xen.runstate2_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520[c]
USER_DATA	0	*vcpu->arch.emulate_ctxt->fetch.end	0-255
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.count
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.size
USER_PTR	0	vcpu->arch.emulate_ctxt->fetch.end
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.intercept_message
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved2
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved3
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved4
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.virtualization_fault_information
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.vtl_ret_actions
USER_PTR	0	vcpu->arch.pdptrs
HALF_LOCKED2	0	&vcpu->kvm->srcu
HALF_LOCKED2	0	&vcpu->mutex

arch/x86/kvm/mmu/mmu.c paging32_walk_addr_generic() -> permission_fault()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	0	vcpu->arch.emulate_ctxt->ops->get_cr	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.mmu	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->run->debug.arch.exception	1,3
PARAM_VALUE	0	vcpu->run->emulation_failure.flags	0-1
PARAM_VALUE	0	vcpu->run->emulation_failure.insn_size	1-255
PARAM_VALUE	0	vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->run->emulation_failure.suberror	1
PARAM_VALUE	0	vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->run->internal.ndata	0,2,4-5
PARAM_VALUE	0	vcpu->run->internal.suberror	1-4
PARAM_VALUE	0	vcpu->run->memory_fault.flags	0,8
PARAM_VALUE	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520
PARAM_VALUE	0	vcpu->run->memory_fault.size	4096
PARAM_VALUE	0	vcpu->run->mmio.is_write	0-1
PARAM_VALUE	0	vcpu->run->mmio.len	0-8
PARAM_VALUE	0	vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	1	w	4096-ptr_max
PARAM_VALUE	2	pte_access	0-15
PARAM_VALUE	3	pte_pkey	0
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	1	w	(-1),168
BUF_SIZE	1	w	(-1),168
CAPPED_DATA	0	vcpu->arch.mmu	1
DATA_SOURCE	0	vcpu	$1
DATA_SOURCE	1	w	$2
DATA_SOURCE	2	pte_access	r paging32_gpte_access
DATA_SOURCE	3	pte_pkey	r paging32_gpte_pkeys
DATA_SOURCE	4	access	$4
NOSPEC	0	vcpu->arch.mmio_gfn
NOSPEC	0	vcpu->arch.xen.runstate_cache.uhva
HOST_DATA	0	vcpu->arch.host_debugctl	0-u64max[c]
USER_DATA	0	vcpu->arch.cr8	0-14
USER_DATA	0	vcpu->arch.mmio_gfn	0-4503599627370495[c]
USER_DATA	0	vcpu->arch.mmu->root.pgd	0-u64max
USER_DATA	0	vcpu->arch.xen.runstate2_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520[c]
USER_DATA	0	*vcpu->arch.emulate_ctxt->fetch.end	0-255
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.count
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.size
USER_PTR	0	vcpu->arch.emulate_ctxt->fetch.end
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.intercept_message
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved2
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved3
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved4
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.virtualization_fault_information
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.vtl_ret_actions
USER_PTR	0	vcpu->arch.pdptrs
HALF_LOCKED2	0	&vcpu->kvm->srcu
HALF_LOCKED2	0	&vcpu->mutex

arch/x86/kvm/mmu/mmu.c paging64_walk_addr_generic() -> permission_fault()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->arch.apic->vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	0	vcpu->arch.emulate_ctxt->ops->get_cr	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.mmu	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->run->debug.arch.exception	1,3
PARAM_VALUE	0	vcpu->run->emulation_failure.flags	0-1
PARAM_VALUE	0	vcpu->run->emulation_failure.insn_size	1-255
PARAM_VALUE	0	vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->run->emulation_failure.suberror	1
PARAM_VALUE	0	vcpu->run->hypercall.ret	0-s32max,1844674407370955159,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->run->internal.ndata	0,2,4-5
PARAM_VALUE	0	vcpu->run->internal.suberror	1-4
PARAM_VALUE	0	vcpu->run->memory_fault.flags	0,8
PARAM_VALUE	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520
PARAM_VALUE	0	vcpu->run->memory_fault.size	4096
PARAM_VALUE	0	vcpu->run->mmio.is_write	0-1
PARAM_VALUE	0	vcpu->run->mmio.len	0-8
PARAM_VALUE	0	vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	1	w	4096-ptr_max
PARAM_VALUE	2	pte_access	0-15
PARAM_VALUE	3	pte_pkey	0-15
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	1	w	(-1),168
BUF_SIZE	1	w	(-1),168
CAPPED_DATA	0	vcpu->arch.mmu	1
DATA_SOURCE	0	vcpu	$1
DATA_SOURCE	1	w	$2
DATA_SOURCE	2	pte_access	r paging64_gpte_access
DATA_SOURCE	3	pte_pkey	r paging64_gpte_pkeys
DATA_SOURCE	4	access	$4
NOSPEC	0	vcpu->arch.mmio_gfn
NOSPEC	0	vcpu->arch.xen.runstate_cache.uhva
HOST_DATA	0	vcpu->arch.host_debugctl	0-u64max[c]
USER_DATA	0	vcpu->arch.cr8	0-14
USER_DATA	0	vcpu->arch.mmio_gfn	0-4503599627370495[c]
USER_DATA	0	vcpu->arch.mmu->root.pgd	0-u64max
USER_DATA	0	vcpu->arch.xen.runstate2_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520[c]
USER_DATA	0	*vcpu->arch.emulate_ctxt->fetch.end	0-255
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.count
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.size
USER_PTR	0	vcpu->arch.emulate_ctxt->fetch.end
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.intercept_message
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved2
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved3
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved4
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.virtualization_fault_information
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.vtl_ret_actions
USER_PTR	0	vcpu->arch.pdptrs
HALF_LOCKED2	0	&vcpu->kvm->srcu
HALF_LOCKED2	0	&vcpu->mutex

arch/x86/kvm/x86.c vcpu_mmio_gva_to_gpa() -> permission_fault()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.emulate_ctxt	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.mmio_gva	4096-u64max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	1	w	4096-ptr_max
PARAM_VALUE	3	pte_pkey	0
PARAM_VALUE	4	access	0,2,4,6
BUF_SIZE	0	vcpu	1-s32max
BUF_SIZE	0	vcpu	1-s32max
BUF_SIZE	1	w	168
CAPPED_DATA	0	vcpu->arch.mmio_gen	1
CAPPED_DATA	0	vcpu->arch.mmio_gva	1
DATA_SOURCE	0	vcpu	$0
FUZZY_MAX	4	access	6
PARAM_COMPARE	0	&vcpu->arch.gva_walk	== $1
HARD_MAX	4	access	6