idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
30,000 | static void inject_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault)
{
vcpu->arch.mmu.inject_page_fault(vcpu, fault);
}
| DoS | 0 | static void inject_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault)
{
vcpu->arch.mmu.inject_page_fault(vcpu, fault);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,001 | static int is_cpuid_PSE36(void)
{
return 1;
}
| DoS | 0 | static int is_cpuid_PSE36(void)
{
return 1;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,002 | static int is_empty_shadow_page(u64 *spt)
{
u64 *pos;
u64 *end;
for (pos = spt, end = pos + PAGE_SIZE / sizeof(u64); pos != end; pos++)
if (is_shadow_present_pte(*pos)) {
printk(KERN_ERR "%s: %p %llx\n", __func__,
pos, *pos);
return 0;
}
return 1;
}
| DoS | 0 | static int is_empty_shadow_page(u64 *spt)
{
u64 *pos;
u64 *end;
for (pos = spt, end = pos + PAGE_SIZE / sizeof(u64); pos != end; pos++)
if (is_shadow_present_pte(*pos)) {
printk(KERN_ERR "%s: %p %llx\n", __func__,
pos, *pos);
return 0;
}
return 1;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,003 | static int is_large_pte(u64 pte)
{
return pte & PT_PAGE_SIZE_MASK;
}
| DoS | 0 | static int is_large_pte(u64 pte)
{
return pte & PT_PAGE_SIZE_MASK;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,004 | static inline bool is_last_gpte(struct kvm_mmu *mmu, unsigned level, unsigned gpte)
{
unsigned index;
index = level - 1;
index |= (gpte & PT_PAGE_SIZE_MASK) >> (PT_PAGE_SIZE_SHIFT - 2);
return mmu->last_pte_bitmap & (1 << index);
}
| DoS | 0 | static inline bool is_last_gpte(struct kvm_mmu *mmu, unsigned level, unsigned gpte)
{
unsigned index;
index = level - 1;
index |= (gpte & PT_PAGE_SIZE_MASK) >> (PT_PAGE_SIZE_SHIFT - 2);
return mmu->last_pte_bitmap & (1 << index);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,005 | static bool is_mmio_page_fault(struct kvm_vcpu *vcpu, gva_t addr)
{
if (vcpu->arch.mmu.direct_map || mmu_is_nested(vcpu))
return vcpu_match_mmio_gpa(vcpu, addr);
return vcpu_match_mmio_gva(vcpu, addr);
}
| DoS | 0 | static bool is_mmio_page_fault(struct kvm_vcpu *vcpu, gva_t addr)
{
if (vcpu->arch.mmu.direct_map || mmu_is_nested(vcpu))
return vcpu_match_mmio_gpa(vcpu, addr);
return vcpu_match_mmio_gva(vcpu, addr);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,006 | static int is_nx(struct kvm_vcpu *vcpu)
{
return vcpu->arch.efer & EFER_NX;
}
| DoS | 0 | static int is_nx(struct kvm_vcpu *vcpu)
{
return vcpu->arch.efer & EFER_NX;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,007 | static bool is_obsolete_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
{
return unlikely(sp->mmu_valid_gen != kvm->arch.mmu_valid_gen);
}
| DoS | 0 | static bool is_obsolete_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
{
return unlikely(sp->mmu_valid_gen != kvm->arch.mmu_valid_gen);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,008 | static int is_rmap_spte(u64 pte)
{
return is_shadow_present_pte(pte);
}
| DoS | 0 | static int is_rmap_spte(u64 pte)
{
return is_shadow_present_pte(pte);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,009 | static int is_shadow_present_pte(u64 pte)
{
return pte & PT_PRESENT_MASK && !is_mmio_spte(pte);
}
| DoS | 0 | static int is_shadow_present_pte(u64 pte)
{
return pte & PT_PRESENT_MASK && !is_mmio_spte(pte);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,010 | int kvm_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, hva, kvm_age_rmapp);
}
| DoS | 0 | int kvm_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, hva, kvm_age_rmapp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,011 | static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator uninitialized_var(iter);
int young = 0;
/*
* In case of absence of EPT Access and Dirty Bits supports,
* emulate the accessed bit for EPT, by checking if this... | DoS | 0 | static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator uninitialized_var(iter);
int young = 0;
/*
* In case of absence of EPT Access and Dirty Bits supports,
* emulate the accessed bit for EPT, by checking if this... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,012 | static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn)
{
struct kvm_arch_async_pf arch;
arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
arch.gfn = gfn;
arch.direct_map = vcpu->arch.mmu.direct_map;
arch.cr3 = vcpu->arch.mmu.get_cr3(vcpu);
return kvm_setup_async_pf(vcpu, gva, gf... | DoS | 0 | static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn)
{
struct kvm_arch_async_pf arch;
arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
arch.gfn = gfn;
arch.direct_map = vcpu->arch.mmu.direct_map;
arch.cr3 = vcpu->arch.mmu.get_cr3(vcpu);
return kvm_setup_async_pf(vcpu, gva, gf... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,013 | static unsigned int kvm_current_mmio_generation(struct kvm *kvm)
{
/*
* Init kvm generation close to MMIO_MAX_GEN to easily test the
* code of handling generation number wrap-around.
*/
return (kvm_memslots(kvm)->generation +
MMIO_MAX_GEN - 150) & MMIO_GEN_MASK;
}
| DoS | 0 | static unsigned int kvm_current_mmio_generation(struct kvm *kvm)
{
/*
* Init kvm generation close to MMIO_MAX_GEN to easily test the
* code of handling generation number wrap-around.
*/
return (kvm_memslots(kvm)->generation +
MMIO_MAX_GEN - 150) & MMIO_GEN_MASK;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,014 | void kvm_disable_tdp(void)
{
tdp_enabled = false;
}
| DoS | 0 | void kvm_disable_tdp(void)
{
tdp_enabled = false;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,015 | void kvm_enable_tdp(void)
{
tdp_enabled = true;
}
| DoS | 0 | void kvm_enable_tdp(void)
{
tdp_enabled = true;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,016 | u8 kvm_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn)
{
u8 mtrr;
mtrr = get_mtrr_type(&vcpu->arch.mtrr_state, gfn << PAGE_SHIFT,
(gfn << PAGE_SHIFT) + PAGE_SIZE);
if (mtrr == 0xfe || mtrr == 0xff)
mtrr = MTRR_TYPE_WRBACK;
return mtrr;
}
| DoS | 0 | u8 kvm_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn)
{
u8 mtrr;
mtrr = get_mtrr_type(&vcpu->arch.mtrr_state, gfn << PAGE_SHIFT,
(gfn << PAGE_SHIFT) + PAGE_SIZE);
if (mtrr == 0xfe || mtrr == 0xff)
mtrr = MTRR_TYPE_WRBACK;
return mtrr;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,017 | static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
{
/*
* Do not cache the mmio info caused by writing the readonly gfn
* into the spte otherwise read access on readonly gfn also can
* caused mmio page fault and treat it as mmio access.
* Return 1 to tell kvm to emulate it.
*/
if (p... | DoS | 0 | static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
{
/*
* Do not cache the mmio info caused by writing the readonly gfn
* into the spte otherwise read access on readonly gfn also can
* caused mmio page fault and treat it as mmio access.
* Return 1 to tell kvm to emulate it.
*/
if (p... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,018 | static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
unsigned long data,
int (*handler)(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot,
unsigned long data))
{
return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
}
| DoS | 0 | static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
unsigned long data,
int (*handler)(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot,
unsigned long data))
{
return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,019 | static int kvm_handle_hva_range(struct kvm *kvm,
unsigned long start,
unsigned long end,
unsigned long data,
int (*handler)(struct kvm *kvm,
unsigned long *rmapp,
struct kvm_memory_slot *slot,
unsigned long data))
{
int j;
int ret = 0;
struct kvm_memslots *slots;
... | DoS | 0 | static int kvm_handle_hva_range(struct kvm *kvm,
unsigned long start,
unsigned long end,
unsigned long data,
int (*handler)(struct kvm *kvm,
unsigned long *rmapp,
struct kvm_memory_slot *slot,
unsigned long data))
{
int j;
int ret = 0;
struct kvm_memslots *slots;
... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,020 | static bool kvm_has_zapped_obsolete_pages(struct kvm *kvm)
{
return unlikely(!list_empty_careful(&kvm->arch.zapped_obsolete_pages));
}
| DoS | 0 | static bool kvm_has_zapped_obsolete_pages(struct kvm *kvm)
{
return unlikely(!list_empty_careful(&kvm->arch.zapped_obsolete_pages));
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,021 | int kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
bool execonly)
{
ASSERT(vcpu);
ASSERT(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
context->shadow_root_level = kvm_x86_ops->get_tdp_level();
context->nx = true;
context->new_cr3 = paging_new_cr3;
context->page_fault = ept_page_fault;
cont... | DoS | 0 | int kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
bool execonly)
{
ASSERT(vcpu);
ASSERT(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
context->shadow_root_level = kvm_x86_ops->get_tdp_level();
context->nx = true;
context->new_cr3 = paging_new_cr3;
context->page_fault = ept_page_fault;
cont... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,022 | int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context)
{
int r;
bool smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
ASSERT(vcpu);
ASSERT(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
if (!is_paging(vcpu))
r = nonpaging_init_context(vcpu, context);
else if (is_long_mode(vcpu))
r = paging64_init_conte... | DoS | 0 | int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context)
{
int r;
bool smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
ASSERT(vcpu);
ASSERT(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
if (!is_paging(vcpu))
r = nonpaging_init_context(vcpu, context);
else if (is_long_mode(vcpu))
r = paging64_init_conte... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,023 | static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
u64 *parent_pte, int direct)
{
struct kvm_mmu_page *sp;
sp = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_header_cache);
sp->spt = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_cache);
if (!direct)
sp->gfns = mmu_memory_cache_alloc(&v... | DoS | 0 | static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
u64 *parent_pte, int direct)
{
struct kvm_mmu_page *sp;
sp = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_header_cache);
sp->spt = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_cache);
if (!direct)
sp->gfns = mmu_memory_cache_alloc(&v... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,024 | static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) { }
| DoS | 0 | static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) { }
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,025 | unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm)
{
unsigned int nr_mmu_pages;
unsigned int nr_pages = 0;
struct kvm_memslots *slots;
struct kvm_memory_slot *memslot;
slots = kvm_memslots(kvm);
kvm_for_each_memslot(memslot, slots)
nr_pages += memslot->npages;
nr_mmu_pages = nr_pages * KVM_PERMILLE_... | DoS | 0 | unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm)
{
unsigned int nr_mmu_pages;
unsigned int nr_pages = 0;
struct kvm_memslots *slots;
struct kvm_memory_slot *memslot;
slots = kvm_memslots(kvm);
kvm_for_each_memslot(memslot, slots)
nr_pages += memslot->npages;
nr_mmu_pages = nr_pages * KVM_PERMILLE_... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,026 | void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int goal_nr_mmu_pages)
{
LIST_HEAD(invalid_list);
spin_lock(&kvm->mmu_lock);
if (kvm->arch.n_used_mmu_pages > goal_nr_mmu_pages) {
/* Need to free some mmu pages to achieve the goal. */
while (kvm->arch.n_used_mmu_pages > goal_nr_mmu_pages)
if (!prepar... | DoS | 0 | void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int goal_nr_mmu_pages)
{
LIST_HEAD(invalid_list);
spin_lock(&kvm->mmu_lock);
if (kvm->arch.n_used_mmu_pages > goal_nr_mmu_pages) {
/* Need to free some mmu pages to achieve the goal. */
while (kvm->arch.n_used_mmu_pages > goal_nr_mmu_pages)
if (!prepar... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,027 | static void kvm_mmu_commit_zap_page(struct kvm *kvm,
struct list_head *invalid_list)
{
struct kvm_mmu_page *sp, *nsp;
if (list_empty(invalid_list))
return;
/*
* wmb: make sure everyone sees our modifications to the page tables
* rmb: make sure we see changes to vcpu->mode
*/
smp_mb();
/*
* Wai... | DoS | 0 | static void kvm_mmu_commit_zap_page(struct kvm *kvm,
struct list_head *invalid_list)
{
struct kvm_mmu_page *sp, *nsp;
if (list_empty(invalid_list))
return;
/*
* wmb: make sure everyone sees our modifications to the page tables
* rmb: make sure we see changes to vcpu->mode
*/
smp_mb();
/*
* Wai... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,028 | int kvm_mmu_create(struct kvm_vcpu *vcpu)
{
ASSERT(vcpu);
vcpu->arch.walk_mmu = &vcpu->arch.mmu;
vcpu->arch.mmu.root_hpa = INVALID_PAGE;
vcpu->arch.mmu.translate_gpa = translate_gpa;
vcpu->arch.nested_mmu.translate_gpa = translate_nested_gpa;
return alloc_mmu_pages(vcpu);
}
| DoS | 0 | int kvm_mmu_create(struct kvm_vcpu *vcpu)
{
ASSERT(vcpu);
vcpu->arch.walk_mmu = &vcpu->arch.mmu;
vcpu->arch.mmu.root_hpa = INVALID_PAGE;
vcpu->arch.mmu.translate_gpa = translate_gpa;
vcpu->arch.nested_mmu.translate_gpa = translate_nested_gpa;
return alloc_mmu_pages(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,029 | void kvm_mmu_destroy(struct kvm_vcpu *vcpu)
{
ASSERT(vcpu);
destroy_kvm_mmu(vcpu);
free_mmu_pages(vcpu);
mmu_free_memory_caches(vcpu);
}
| DoS | 0 | void kvm_mmu_destroy(struct kvm_vcpu *vcpu)
{
ASSERT(vcpu);
destroy_kvm_mmu(vcpu);
free_mmu_pages(vcpu);
mmu_free_memory_caches(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,030 | void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu)
{
++vcpu->stat.tlb_flush;
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
}
| DoS | 0 | void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu)
{
++vcpu->stat.tlb_flush;
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,031 | static void kvm_mmu_free_page(struct kvm_mmu_page *sp)
{
ASSERT(is_empty_shadow_page(sp->spt));
hlist_del(&sp->hash_link);
list_del(&sp->link);
free_page((unsigned long)sp->spt);
if (!sp->role.direct)
free_page((unsigned long)sp->gfns);
kmem_cache_free(mmu_page_header_cache, sp);
}
| DoS | 0 | static void kvm_mmu_free_page(struct kvm_mmu_page *sp)
{
ASSERT(is_empty_shadow_page(sp->spt));
hlist_del(&sp->hash_link);
list_del(&sp->link);
free_page((unsigned long)sp->spt);
if (!sp->role.direct)
free_page((unsigned long)sp->gfns);
kmem_cache_free(mmu_page_header_cache, sp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,032 | static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
gfn_t gfn,
gva_t gaddr,
unsigned level,
int direct,
unsigned access,
u64 *parent_pte)
{
union kvm_mmu_page_role role;
unsigned quadrant;
struct kvm_mmu_page *sp;
bool need_sync = false;
... | DoS | 0 | static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
gfn_t gfn,
gva_t gaddr,
unsigned level,
int direct,
unsigned access,
u64 *parent_pte)
{
union kvm_mmu_page_role role;
unsigned quadrant;
struct kvm_mmu_page *sp;
bool need_sync = false;
... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,033 | void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm)
{
/*
* The very rare case: if the generation-number is round,
* zap all shadow pages.
*/
if (unlikely(kvm_current_mmio_generation(kvm) >= MMIO_MAX_GEN)) {
printk_ratelimited(KERN_INFO "kvm: zapping shadow pages for mmio generation wraparound\n");
kvm_mmu_i... | DoS | 0 | void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm)
{
/*
* The very rare case: if the generation-number is round,
* zap all shadow pages.
*/
if (unlikely(kvm_current_mmio_generation(kvm) >= MMIO_MAX_GEN)) {
printk_ratelimited(KERN_INFO "kvm: zapping shadow pages for mmio generation wraparound\n");
kvm_mmu_i... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,034 | void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm)
{
spin_lock(&kvm->mmu_lock);
trace_kvm_mmu_invalidate_zap_all_pages(kvm);
kvm->arch.mmu_valid_gen++;
/*
* Notify all vcpus to reload its shadow page table
* and flush TLB. Then all vcpus will switch to new
* shadow page table with the new mmu_valid_gen.
... | DoS | 0 | void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm)
{
spin_lock(&kvm->mmu_lock);
trace_kvm_mmu_invalidate_zap_all_pages(kvm);
kvm->arch.mmu_valid_gen++;
/*
* Notify all vcpus to reload its shadow page table
* and flush TLB. Then all vcpus will switch to new
* shadow page table with the new mmu_valid_gen.
... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,035 | void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
{
vcpu->arch.mmu.invlpg(vcpu, gva);
kvm_mmu_flush_tlb(vcpu);
++vcpu->stat.invlpg;
}
| DoS | 0 | void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
{
vcpu->arch.mmu.invlpg(vcpu, gva);
kvm_mmu_flush_tlb(vcpu);
++vcpu->stat.invlpg;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,036 | int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u32 error_code,
void *insn, int insn_len)
{
int r, emulation_type = EMULTYPE_RETRY;
enum emulation_result er;
r = vcpu->arch.mmu.page_fault(vcpu, cr2, error_code, false);
if (r < 0)
goto out;
if (!r) {
r = 1;
goto out;
}
if (is_mmio_page_... | DoS | 0 | int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u32 error_code,
void *insn, int insn_len)
{
int r, emulation_type = EMULTYPE_RETRY;
enum emulation_result er;
r = vcpu->arch.mmu.page_fault(vcpu, cr2, error_code, false);
if (r < 0)
goto out;
if (!r) {
r = 1;
goto out;
}
if (is_mmio_page_... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,037 | static gfn_t kvm_mmu_page_get_gfn(struct kvm_mmu_page *sp, int index)
{
if (!sp->role.direct)
return sp->gfns[index];
return sp->gfn + (index << ((sp->role.level - 1) * PT64_LEVEL_BITS));
}
| DoS | 0 | static gfn_t kvm_mmu_page_get_gfn(struct kvm_mmu_page *sp, int index)
{
if (!sp->role.direct)
return sp->gfns[index];
return sp->gfn + (index << ((sp->role.level - 1) * PT64_LEVEL_BITS));
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,038 | static void kvm_mmu_page_set_gfn(struct kvm_mmu_page *sp, int index, gfn_t gfn)
{
if (sp->role.direct)
BUG_ON(gfn != kvm_mmu_page_get_gfn(sp, index));
else
sp->gfns[index] = gfn;
}
| DoS | 0 | static void kvm_mmu_page_set_gfn(struct kvm_mmu_page *sp, int index, gfn_t gfn)
{
if (sp->role.direct)
BUG_ON(gfn != kvm_mmu_page_get_gfn(sp, index));
else
sp->gfns[index] = gfn;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,039 | static void kvm_mmu_page_unlink_children(struct kvm *kvm,
struct kvm_mmu_page *sp)
{
unsigned i;
for (i = 0; i < PT64_ENT_PER_PAGE; ++i)
mmu_page_zap_pte(kvm, sp, sp->spt + i);
}
| DoS | 0 | static void kvm_mmu_page_unlink_children(struct kvm *kvm,
struct kvm_mmu_page *sp)
{
unsigned i;
for (i = 0; i < PT64_ENT_PER_PAGE; ++i)
mmu_page_zap_pte(kvm, sp, sp->spt + i);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,040 | static void kvm_mmu_pages_init(struct kvm_mmu_page *parent,
struct mmu_page_path *parents,
struct kvm_mmu_pages *pvec)
{
parents->parent[parent->role.level-1] = NULL;
pvec->nr = 0;
}
| DoS | 0 | static void kvm_mmu_pages_init(struct kvm_mmu_page *parent,
struct mmu_page_path *parents,
struct kvm_mmu_pages *pvec)
{
parents->parent[parent->role.level-1] = NULL;
pvec->nr = 0;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,041 | static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp,
struct list_head *invalid_list)
{
int ret;
trace_kvm_mmu_prepare_zap_page(sp);
++kvm->stat.mmu_shadow_zapped;
ret = mmu_zap_unsync_children(kvm, sp, invalid_list);
kvm_mmu_page_unlink_children(kvm, sp);
kvm_mmu_unlink_parents(k... | DoS | 0 | static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp,
struct list_head *invalid_list)
{
int ret;
trace_kvm_mmu_prepare_zap_page(sp);
++kvm->stat.mmu_shadow_zapped;
ret = mmu_zap_unsync_children(kvm, sp, invalid_list);
kvm_mmu_page_unlink_children(kvm, sp);
kvm_mmu_unlink_parents(k... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,042 | void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
const u8 *new, int bytes)
{
gfn_t gfn = gpa >> PAGE_SHIFT;
union kvm_mmu_page_role mask = { .word = 0 };
struct kvm_mmu_page *sp;
LIST_HEAD(invalid_list);
u64 entry, gentry, *spte;
int npte;
bool remote_flush, local_flush, zap_page;
/*
* If we... | DoS | 0 | void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
const u8 *new, int bytes)
{
gfn_t gfn = gpa >> PAGE_SHIFT;
union kvm_mmu_page_role mask = { .word = 0 };
struct kvm_mmu_page *sp;
LIST_HEAD(invalid_list);
u64 entry, gentry, *spte;
int npte;
bool remote_flush, local_flush, zap_page;
/*
* If we... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,043 | static void kvm_mmu_put_page(struct kvm_mmu_page *sp, u64 *parent_pte)
{
mmu_page_remove_parent_pte(sp, parent_pte);
}
| DoS | 0 | static void kvm_mmu_put_page(struct kvm_mmu_page *sp, u64 *parent_pte)
{
mmu_page_remove_parent_pte(sp, parent_pte);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,044 | int kvm_mmu_reset_context(struct kvm_vcpu *vcpu)
{
destroy_kvm_mmu(vcpu);
return init_kvm_mmu(vcpu);
}
| DoS | 0 | int kvm_mmu_reset_context(struct kvm_vcpu *vcpu)
{
destroy_kvm_mmu(vcpu);
return init_kvm_mmu(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,045 | void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
u64 dirty_mask, u64 nx_mask, u64 x_mask)
{
shadow_user_mask = user_mask;
shadow_accessed_mask = accessed_mask;
shadow_dirty_mask = dirty_mask;
shadow_nx_mask = nx_mask;
shadow_x_mask = x_mask;
}
| DoS | 0 | void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
u64 dirty_mask, u64 nx_mask, u64 x_mask)
{
shadow_user_mask = user_mask;
shadow_accessed_mask = accessed_mask;
shadow_dirty_mask = dirty_mask;
shadow_nx_mask = nx_mask;
shadow_x_mask = x_mask;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,046 | void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask)
{
shadow_mmio_mask = mmio_mask;
}
| DoS | 0 | void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask)
{
shadow_mmio_mask = mmio_mask;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,047 | void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
{
spin_lock(&vcpu->kvm->mmu_lock);
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
| DoS | 0 | void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
{
spin_lock(&vcpu->kvm->mmu_lock);
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,048 | static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp)
{
u64 *sptep;
struct rmap_iterator iter;
while ((sptep = rmap_get_first(sp->parent_ptes, &iter)))
drop_parent_pte(sp, sptep);
}
| DoS | 0 | static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp)
{
u64 *sptep;
struct rmap_iterator iter;
while ((sptep = rmap_get_first(sp->parent_ptes, &iter)))
drop_parent_pte(sp, sptep);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,049 | void kvm_mmu_unload(struct kvm_vcpu *vcpu)
{
mmu_free_roots(vcpu);
}
| DoS | 0 | void kvm_mmu_unload(struct kvm_vcpu *vcpu)
{
mmu_free_roots(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,050 | int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
{
struct kvm_mmu_page *sp;
LIST_HEAD(invalid_list);
int r;
pgprintk("%s: looking for gfn %llx\n", __func__, gfn);
r = 0;
spin_lock(&kvm->mmu_lock);
for_each_gfn_indirect_valid_sp(kvm, sp, gfn) {
pgprintk("%s: gfn %llx role %x\n", __func__, gfn,
sp->ro... | DoS | 0 | int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
{
struct kvm_mmu_page *sp;
LIST_HEAD(invalid_list);
int r;
pgprintk("%s: looking for gfn %llx\n", __func__, gfn);
r = 0;
spin_lock(&kvm->mmu_lock);
for_each_gfn_indirect_valid_sp(kvm, sp, gfn) {
pgprintk("%s: gfn %llx role %x\n", __func__, gfn,
sp->ro... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,051 | static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, int nr)
{
kvm->arch.n_used_mmu_pages += nr;
percpu_counter_add(&kvm_total_used_mmu_pages, nr);
}
| DoS | 0 | static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, int nr)
{
kvm->arch.n_used_mmu_pages += nr;
percpu_counter_add(&kvm_total_used_mmu_pages, nr);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,052 | static unsigned kvm_page_table_hashfn(gfn_t gfn)
{
return gfn & ((1 << KVM_MMU_HASH_SHIFT) - 1);
}
| DoS | 0 | static unsigned kvm_page_table_hashfn(gfn_t gfn)
{
return gfn & ((1 << KVM_MMU_HASH_SHIFT) - 1);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,053 | static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *tsk)
{
siginfo_t info;
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_MCEERR_AR;
info.si_addr = (void __user *)address;
info.si_addr_lsb = PAGE_SHIFT;
send_sig_info(SIGBUS, &info, tsk);
}
| DoS | 0 | static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *tsk)
{
siginfo_t info;
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_MCEERR_AR;
info.si_addr = (void __user *)address;
info.si_addr_lsb = PAGE_SHIFT;
send_sig_info(SIGBUS, &info, tsk);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,054 | static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int need_flush = 0;
u64 new_spte;
pte_t *ptep = (pte_t *)data;
pfn_t new_pfn;
WARN_ON(pte_huge(*ptep));
new_pfn = pte_pfn(*ptep);
for (sptep =... | DoS | 0 | static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int need_flush = 0;
u64 new_spte;
pte_t *ptep = (pte_t *)data;
pfn_t new_pfn;
WARN_ON(pte_huge(*ptep));
new_pfn = pte_pfn(*ptep);
for (sptep =... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,055 | void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
{
kvm_handle_hva(kvm, hva, (unsigned long)&pte, kvm_set_pte_rmapp);
}
| DoS | 0 | void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
{
kvm_handle_hva(kvm, hva, (unsigned long)&pte, kvm_set_pte_rmapp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,056 | static void kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
LIST_HEAD(invalid_list);
bool flush = false;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!s->unsync)
continue;
WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
kvm_unlink_unsync_page(vcpu->kvm, s);
if ((s-... | DoS | 0 | static void kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
LIST_HEAD(invalid_list);
bool flush = false;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!s->unsync)
continue;
WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
kvm_unlink_unsync_page(vcpu->kvm, s);
if ((s-... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,057 | int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, 0, kvm_test_age_rmapp);
}
| DoS | 0 | int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, 0, kvm_test_age_rmapp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,058 | static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int young = 0;
/*
* If there's no access bit in the secondary pte set by the
* hardware it's up to gup-fast/gup to set the access bit in
* t... | DoS | 0 | static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int young = 0;
/*
* If there's no access bit in the secondary pte set by the
* hardware it's up to gup-fast/gup to set the access bit in
* t... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,059 | int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, 0, kvm_unmap_rmapp);
}
| DoS | 0 | int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_handle_hva(kvm, hva, 0, kvm_unmap_rmapp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,060 | int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
{
return kvm_handle_hva_range(kvm, start, end, 0, kvm_unmap_rmapp);
}
| DoS | 0 | int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
{
return kvm_handle_hva_range(kvm, start, end, 0, kvm_unmap_rmapp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,061 | static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int need_tlb_flush = 0;
while ((sptep = rmap_get_first(*rmapp, &iter))) {
BUG_ON(!(*sptep & PT_PRESENT_MASK));
rmap_printk("kvm_rmap_unmap_hva: spte... | DoS | 0 | static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
int need_tlb_flush = 0;
while ((sptep = rmap_get_first(*rmapp, &iter))) {
BUG_ON(!(*sptep & PT_PRESENT_MASK));
rmap_printk("kvm_rmap_unmap_hva: spte... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,062 | static void kvm_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (s->unsync)
continue;
WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
__kvm_unsync_page(vcpu, s);
}
}
| DoS | 0 | static void kvm_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (s->unsync)
continue;
WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
__kvm_unsync_page(vcpu, s);
}
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,063 | static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp, bool accessed)
{
u64 spte;
BUILD_BUG_ON(VMX_EPT_READABLE_MASK != PT_PRESENT_MASK ||
VMX_EPT_WRITABLE_MASK != PT_WRITABLE_MASK);
spte = __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK |
shadow_user_mask | shadow_x_mask;
if (accessed)
... | DoS | 0 | static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp, bool accessed)
{
u64 spte;
BUILD_BUG_ON(VMX_EPT_READABLE_MASK != PT_PRESENT_MASK ||
VMX_EPT_WRITABLE_MASK != PT_WRITABLE_MASK);
spte = __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK |
shadow_user_mask | shadow_x_mask;
if (accessed)
... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,064 | static struct kvm_lpage_info *lpage_info_slot(gfn_t gfn,
struct kvm_memory_slot *slot,
int level)
{
unsigned long idx;
idx = gfn_to_index(gfn, slot->base_gfn, level);
return &slot->arch.lpage_info[level - 2][idx];
}
| DoS | 0 | static struct kvm_lpage_info *lpage_info_slot(gfn_t gfn,
struct kvm_memory_slot *slot,
int level)
{
unsigned long idx;
idx = gfn_to_index(gfn, slot->base_gfn, level);
return &slot->arch.lpage_info[level - 2][idx];
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,065 | static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
{
int host_level, level, max_level;
host_level = host_mapping_level(vcpu->kvm, large_gfn);
if (host_level == PT_PAGE_TABLE_LEVEL)
return host_level;
max_level = min(kvm_x86_ops->get_lpage_level(), host_level);
for (level = PT_DIRECTORY_LEVEL; l... | DoS | 0 | static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
{
int host_level, level, max_level;
host_level = host_mapping_level(vcpu->kvm, large_gfn);
if (host_level == PT_PAGE_TABLE_LEVEL)
return host_level;
max_level = min(kvm_x86_ops->get_lpage_level(), host_level);
for (level = PT_DIRECTORY_LEVEL; l... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,066 | static bool mapping_level_dirty_bitmap(struct kvm_vcpu *vcpu, gfn_t large_gfn)
{
return !gfn_to_memslot_dirty_bitmap(vcpu, large_gfn, true);
}
| DoS | 0 | static bool mapping_level_dirty_bitmap(struct kvm_vcpu *vcpu, gfn_t large_gfn)
{
return !gfn_to_memslot_dirty_bitmap(vcpu, large_gfn, true);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,067 | static void mark_mmio_spte(struct kvm *kvm, u64 *sptep, u64 gfn,
unsigned access)
{
unsigned int gen = kvm_current_mmio_generation(kvm);
u64 mask = generation_mmio_spte_mask(gen);
access &= ACC_WRITE_MASK | ACC_USER_MASK;
mask |= shadow_mmio_mask | access | gfn << PAGE_SHIFT;
trace_mark_mmio_spte(sptep, gf... | DoS | 0 | static void mark_mmio_spte(struct kvm *kvm, u64 *sptep, u64 gfn,
unsigned access)
{
unsigned int gen = kvm_current_mmio_generation(kvm);
u64 mask = generation_mmio_spte_mask(gen);
access &= ACC_WRITE_MASK | ACC_USER_MASK;
mask |= shadow_mmio_mask | access | gfn << PAGE_SHIFT;
trace_mark_mmio_spte(sptep, gf... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,068 | static void mark_unsync(u64 *spte)
{
struct kvm_mmu_page *sp;
unsigned int index;
sp = page_header(__pa(spte));
index = spte - sp->spt;
if (__test_and_set_bit(index, sp->unsync_child_bitmap))
return;
if (sp->unsync_children++)
return;
kvm_mmu_mark_parents_unsync(sp);
}
| DoS | 0 | static void mark_unsync(u64 *spte)
{
struct kvm_mmu_page *sp;
unsigned int index;
sp = page_header(__pa(spte));
index = spte - sp->spt;
if (__test_and_set_bit(index, sp->unsync_child_bitmap))
return;
if (sp->unsync_children++)
return;
kvm_mmu_mark_parents_unsync(sp);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,069 | static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu)
{
struct kvm_mmu_page *sp;
unsigned i;
if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) {
spin_lock(&vcpu->kvm->mmu_lock);
make_mmu_pages_available(vcpu);
sp = kvm_mmu_get_page(vcpu, 0, 0, PT64_ROOT_LEVEL,
1, ACC_ALL, NULL);
++sp->ro... | DoS | 0 | static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu)
{
struct kvm_mmu_page *sp;
unsigned i;
if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) {
spin_lock(&vcpu->kvm->mmu_lock);
make_mmu_pages_available(vcpu);
sp = kvm_mmu_get_page(vcpu, 0, 0, PT64_ROOT_LEVEL,
1, ACC_ALL, NULL);
++sp->ro... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,070 | static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.mmu.direct_map)
return mmu_alloc_direct_roots(vcpu);
else
return mmu_alloc_shadow_roots(vcpu);
}
| DoS | 0 | static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.mmu.direct_map)
return mmu_alloc_direct_roots(vcpu);
else
return mmu_alloc_shadow_roots(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,071 | static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
{
struct kvm_mmu_page *sp;
u64 pdptr, pm_mask;
gfn_t root_gfn;
int i;
root_gfn = vcpu->arch.mmu.get_cr3(vcpu) >> PAGE_SHIFT;
if (mmu_check_root(vcpu, root_gfn))
return 1;
/*
* Do we shadow a long mode page table? If so we need to
* write-protect t... | DoS | 0 | static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
{
struct kvm_mmu_page *sp;
u64 pdptr, pm_mask;
gfn_t root_gfn;
int i;
root_gfn = vcpu->arch.mmu.get_cr3(vcpu) >> PAGE_SHIFT;
if (mmu_check_root(vcpu, root_gfn))
return 1;
/*
* Do we shadow a long mode page table? If so we need to
* write-protect t... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,072 | static void mmu_destroy_caches(void)
{
if (pte_list_desc_cache)
kmem_cache_destroy(pte_list_desc_cache);
if (mmu_page_header_cache)
kmem_cache_destroy(mmu_page_header_cache);
}
| DoS | 0 | static void mmu_destroy_caches(void)
{
if (pte_list_desc_cache)
kmem_cache_destroy(pte_list_desc_cache);
if (mmu_page_header_cache)
kmem_cache_destroy(mmu_page_header_cache);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,073 | static void mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc,
struct kmem_cache *cache)
{
while (mc->nobjs)
kmem_cache_free(cache, mc->objects[--mc->nobjs]);
}
| DoS | 0 | static void mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc,
struct kmem_cache *cache)
{
while (mc->nobjs)
kmem_cache_free(cache, mc->objects[--mc->nobjs]);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,074 | static void mmu_free_memory_cache_page(struct kvm_mmu_memory_cache *mc)
{
while (mc->nobjs)
free_page((unsigned long)mc->objects[--mc->nobjs]);
}
| DoS | 0 | static void mmu_free_memory_cache_page(struct kvm_mmu_memory_cache *mc)
{
while (mc->nobjs)
free_page((unsigned long)mc->objects[--mc->nobjs]);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,075 | static void mmu_free_pte_list_desc(struct pte_list_desc *pte_list_desc)
{
kmem_cache_free(pte_list_desc_cache, pte_list_desc);
}
| DoS | 0 | static void mmu_free_pte_list_desc(struct pte_list_desc *pte_list_desc)
{
kmem_cache_free(pte_list_desc_cache, pte_list_desc);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,076 | static void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc)
{
void *p;
BUG_ON(!mc->nobjs);
p = mc->objects[--mc->nobjs];
return p;
}
| DoS | 0 | static void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc)
{
void *p;
BUG_ON(!mc->nobjs);
p = mc->objects[--mc->nobjs];
return p;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,077 | static int mmu_memory_cache_free_objects(struct kvm_mmu_memory_cache *cache)
{
return cache->nobjs;
}
| DoS | 0 | static int mmu_memory_cache_free_objects(struct kvm_mmu_memory_cache *cache)
{
return cache->nobjs;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,078 | static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn,
bool can_unsync)
{
struct kvm_mmu_page *s;
bool need_unsync = false;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!can_unsync)
return 1;
if (s->role.level != PT_PAGE_TABLE_LEVEL)
return 1;
if (!s->unsync)
need_unsy... | DoS | 0 | static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn,
bool can_unsync)
{
struct kvm_mmu_page *s;
bool need_unsync = false;
for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!can_unsync)
return 1;
if (s->role.level != PT_PAGE_TABLE_LEVEL)
return 1;
if (!s->unsync)
need_unsy... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,079 | static void mmu_page_add_parent_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *parent_pte)
{
if (!parent_pte)
return;
pte_list_add(vcpu, parent_pte, &sp->parent_ptes);
}
| DoS | 0 | static void mmu_page_add_parent_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *parent_pte)
{
if (!parent_pte)
return;
pte_list_add(vcpu, parent_pte, &sp->parent_ptes);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,080 | static void mmu_page_remove_parent_pte(struct kvm_mmu_page *sp,
u64 *parent_pte)
{
pte_list_remove(parent_pte, &sp->parent_ptes);
}
| DoS | 0 | static void mmu_page_remove_parent_pte(struct kvm_mmu_page *sp,
u64 *parent_pte)
{
pte_list_remove(parent_pte, &sp->parent_ptes);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,081 | static bool mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp,
u64 *spte)
{
u64 pte;
struct kvm_mmu_page *child;
pte = *spte;
if (is_shadow_present_pte(pte)) {
if (is_last_spte(pte, sp->role.level)) {
drop_spte(kvm, spte);
if (is_large_pte(pte))
--kvm->stat.lpages;
} else {
child =... | DoS | 0 | static bool mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp,
u64 *spte)
{
u64 pte;
struct kvm_mmu_page *child;
pte = *spte;
if (is_shadow_present_pte(pte)) {
if (is_last_spte(pte, sp->role.level)) {
drop_spte(kvm, spte);
if (is_large_pte(pte))
--kvm->stat.lpages;
} else {
child =... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,082 | static int mmu_pages_add(struct kvm_mmu_pages *pvec, struct kvm_mmu_page *sp,
int idx)
{
int i;
if (sp->unsync)
for (i=0; i < pvec->nr; i++)
if (pvec->page[i].sp == sp)
return 0;
pvec->page[pvec->nr].sp = sp;
pvec->page[pvec->nr].idx = idx;
pvec->nr++;
return (pvec->nr == KVM_PAGE_ARRAY_NR);
}
| DoS | 0 | static int mmu_pages_add(struct kvm_mmu_pages *pvec, struct kvm_mmu_page *sp,
int idx)
{
int i;
if (sp->unsync)
for (i=0; i < pvec->nr; i++)
if (pvec->page[i].sp == sp)
return 0;
pvec->page[pvec->nr].sp = sp;
pvec->page[pvec->nr].idx = idx;
pvec->nr++;
return (pvec->nr == KVM_PAGE_ARRAY_NR);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,083 | static void mmu_pages_clear_parents(struct mmu_page_path *parents)
{
struct kvm_mmu_page *sp;
unsigned int level = 0;
do {
unsigned int idx = parents->idx[level];
sp = parents->parent[level];
if (!sp)
return;
--sp->unsync_children;
WARN_ON((int)sp->unsync_children < 0);
__clear_bit(idx, sp->unsync_... | DoS | 0 | static void mmu_pages_clear_parents(struct mmu_page_path *parents)
{
struct kvm_mmu_page *sp;
unsigned int level = 0;
do {
unsigned int idx = parents->idx[level];
sp = parents->parent[level];
if (!sp)
return;
--sp->unsync_children;
WARN_ON((int)sp->unsync_children < 0);
__clear_bit(idx, sp->unsync_... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,084 | static int mmu_pages_next(struct kvm_mmu_pages *pvec,
struct mmu_page_path *parents,
int i)
{
int n;
for (n = i+1; n < pvec->nr; n++) {
struct kvm_mmu_page *sp = pvec->page[n].sp;
if (sp->role.level == PT_PAGE_TABLE_LEVEL) {
parents->idx[0] = pvec->page[n].idx;
return n;
}
parents->parent[s... | DoS | 0 | static int mmu_pages_next(struct kvm_mmu_pages *pvec,
struct mmu_page_path *parents,
int i)
{
int n;
for (n = i+1; n < pvec->nr; n++) {
struct kvm_mmu_page *sp = pvec->page[n].sp;
if (sp->role.level == PT_PAGE_TABLE_LEVEL) {
parents->idx[0] = pvec->page[n].idx;
return n;
}
parents->parent[s... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,085 | static void mmu_pte_write_flush_tlb(struct kvm_vcpu *vcpu, bool zap_page,
bool remote_flush, bool local_flush)
{
if (zap_page)
return;
if (remote_flush)
kvm_flush_remote_tlbs(vcpu->kvm);
else if (local_flush)
kvm_mmu_flush_tlb(vcpu);
}
| DoS | 0 | static void mmu_pte_write_flush_tlb(struct kvm_vcpu *vcpu, bool zap_page,
bool remote_flush, bool local_flush)
{
if (zap_page)
return;
if (remote_flush)
kvm_flush_remote_tlbs(vcpu->kvm);
else if (local_flush)
kvm_mmu_flush_tlb(vcpu);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,086 | static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *spte,
const void *new)
{
if (sp->role.level != PT_PAGE_TABLE_LEVEL) {
++vcpu->kvm->stat.mmu_pde_zapped;
return;
}
++vcpu->kvm->stat.mmu_pte_updated;
vcpu->arch.mmu.update_pte(vcpu, sp, spte, new);
}
| DoS | 0 | static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *spte,
const void *new)
{
if (sp->role.level != PT_PAGE_TABLE_LEVEL) {
++vcpu->kvm->stat.mmu_pde_zapped;
return;
}
++vcpu->kvm->stat.mmu_pte_updated;
vcpu->arch.mmu.update_pte(vcpu, sp, spte, new);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,087 | static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
unsigned pte_access, int write_fault, int *emulate,
int level, gfn_t gfn, pfn_t pfn, bool speculative,
bool host_writable)
{
int was_rmapped = 0;
int rmap_count;
pgprintk("%s: spte %llx write_fault %d gfn %llx\n", __func__,
*sptep, write_fau... | DoS | 0 | static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
unsigned pte_access, int write_fault, int *emulate,
int level, gfn_t gfn, pfn_t pfn, bool speculative,
bool host_writable)
{
int was_rmapped = 0;
int rmap_count;
pgprintk("%s: spte %llx write_fault %d gfn %llx\n", __func__,
*sptep, write_fau... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,088 | static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
{
struct kvm *kvm;
int nr_to_scan = sc->nr_to_scan;
if (nr_to_scan == 0)
goto out;
raw_spin_lock(&kvm_lock);
list_for_each_entry(kvm, &vm_list, vm_list) {
int idx;
LIST_HEAD(invalid_list);
/*
* Never scan more than sc->nr_to_s... | DoS | 0 | static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
{
struct kvm *kvm;
int nr_to_scan = sc->nr_to_scan;
if (nr_to_scan == 0)
goto out;
raw_spin_lock(&kvm_lock);
list_for_each_entry(kvm, &vm_list, vm_list) {
int idx;
LIST_HEAD(invalid_list);
/*
* Never scan more than sc->nr_to_s... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,089 | static void mmu_spte_clear_no_track(u64 *sptep)
{
__update_clear_spte_fast(sptep, 0ull);
}
| DoS | 0 | static void mmu_spte_clear_no_track(u64 *sptep)
{
__update_clear_spte_fast(sptep, 0ull);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,090 | static int mmu_spte_clear_track_bits(u64 *sptep)
{
pfn_t pfn;
u64 old_spte = *sptep;
if (!spte_has_volatile_bits(old_spte))
__update_clear_spte_fast(sptep, 0ull);
else
old_spte = __update_clear_spte_slow(sptep, 0ull);
if (!is_rmap_spte(old_spte))
return 0;
pfn = spte_to_pfn(old_spte);
/*
* KVM does n... | DoS | 0 | static int mmu_spte_clear_track_bits(u64 *sptep)
{
pfn_t pfn;
u64 old_spte = *sptep;
if (!spte_has_volatile_bits(old_spte))
__update_clear_spte_fast(sptep, 0ull);
else
old_spte = __update_clear_spte_slow(sptep, 0ull);
if (!is_rmap_spte(old_spte))
return 0;
pfn = spte_to_pfn(old_spte);
/*
* KVM does n... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,091 | static u64 mmu_spte_get_lockless(u64 *sptep)
{
return __get_spte_lockless(sptep);
}
| DoS | 0 | static u64 mmu_spte_get_lockless(u64 *sptep)
{
return __get_spte_lockless(sptep);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,092 | static void mmu_spte_set(u64 *sptep, u64 new_spte)
{
WARN_ON(is_shadow_present_pte(*sptep));
__set_spte(sptep, new_spte);
}
| DoS | 0 | static void mmu_spte_set(u64 *sptep, u64 new_spte)
{
WARN_ON(is_shadow_present_pte(*sptep));
__set_spte(sptep, new_spte);
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,093 | static bool mmu_spte_update(u64 *sptep, u64 new_spte)
{
u64 old_spte = *sptep;
bool ret = false;
WARN_ON(!is_rmap_spte(new_spte));
if (!is_shadow_present_pte(old_spte)) {
mmu_spte_set(sptep, new_spte);
return ret;
}
if (!spte_has_volatile_bits(old_spte))
__update_clear_spte_fast(sptep, new_spte);
else
... | DoS | 0 | static bool mmu_spte_update(u64 *sptep, u64 new_spte)
{
u64 old_spte = *sptep;
bool ret = false;
WARN_ON(!is_rmap_spte(new_spte));
if (!is_shadow_present_pte(old_spte)) {
mmu_spte_set(sptep, new_spte);
return ret;
}
if (!spte_has_volatile_bits(old_spte))
__update_clear_spte_fast(sptep, new_spte);
else
... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,094 | static void mmu_sync_children(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *parent)
{
int i;
struct kvm_mmu_page *sp;
struct mmu_page_path parents;
struct kvm_mmu_pages pages;
LIST_HEAD(invalid_list);
kvm_mmu_pages_init(parent, &parents, &pages);
while (mmu_unsync_walk(parent, &pages)) {
bool protected... | DoS | 0 | static void mmu_sync_children(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *parent)
{
int i;
struct kvm_mmu_page *sp;
struct mmu_page_path parents;
struct kvm_mmu_pages pages;
LIST_HEAD(invalid_list);
kvm_mmu_pages_init(parent, &parents, &pages);
while (mmu_unsync_walk(parent, &pages)) {
bool protected... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,095 | static void mmu_sync_roots(struct kvm_vcpu *vcpu)
{
int i;
struct kvm_mmu_page *sp;
if (vcpu->arch.mmu.direct_map)
return;
if (!VALID_PAGE(vcpu->arch.mmu.root_hpa))
return;
vcpu_clear_mmio_info(vcpu, ~0ul);
kvm_mmu_audit(vcpu, AUDIT_PRE_SYNC);
if (vcpu->arch.mmu.root_level == PT64_ROOT_LEVEL) {
hpa_t ro... | DoS | 0 | static void mmu_sync_roots(struct kvm_vcpu *vcpu)
{
int i;
struct kvm_mmu_page *sp;
if (vcpu->arch.mmu.direct_map)
return;
if (!VALID_PAGE(vcpu->arch.mmu.root_hpa))
return;
vcpu_clear_mmio_info(vcpu, ~0ul);
kvm_mmu_audit(vcpu, AUDIT_PRE_SYNC);
if (vcpu->arch.mmu.root_level == PT64_ROOT_LEVEL) {
hpa_t ro... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,096 | static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
struct kmem_cache *base_cache, int min)
{
void *obj;
if (cache->nobjs >= min)
return 0;
while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
obj = kmem_cache_zalloc(base_cache, GFP_KERNEL);
if (!obj)
return -ENOMEM;
cache->objects... | DoS | 0 | static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
struct kmem_cache *base_cache, int min)
{
void *obj;
if (cache->nobjs >= min)
return 0;
while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
obj = kmem_cache_zalloc(base_cache, GFP_KERNEL);
if (!obj)
return -ENOMEM;
cache->objects... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,097 | static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu)
{
int r;
r = mmu_topup_memory_cache(&vcpu->arch.mmu_pte_list_desc_cache,
pte_list_desc_cache, 8 + PTE_PREFETCH_NUM);
if (r)
goto out;
r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache, 8);
if (r)
goto out;
r = mmu_topup_memory_cache(&v... | DoS | 0 | static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu)
{
int r;
r = mmu_topup_memory_cache(&vcpu->arch.mmu_pte_list_desc_cache,
pte_list_desc_cache, 8 + PTE_PREFETCH_NUM);
if (r)
goto out;
r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache, 8);
if (r)
goto out;
r = mmu_topup_memory_cache(&v... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,098 | static int mmu_zap_unsync_children(struct kvm *kvm,
struct kvm_mmu_page *parent,
struct list_head *invalid_list)
{
int i, zapped = 0;
struct mmu_page_path parents;
struct kvm_mmu_pages pages;
if (parent->role.level == PT_PAGE_TABLE_LEVEL)
return 0;
kvm_mmu_pages_init(parent, &parents, &pages);
w... | DoS | 0 | static int mmu_zap_unsync_children(struct kvm *kvm,
struct kvm_mmu_page *parent,
struct list_head *invalid_list)
{
int i, zapped = 0;
struct mmu_page_path parents;
struct kvm_mmu_pages pages;
if (parent->role.level == PT_PAGE_TABLE_LEVEL)
return 0;
kvm_mmu_pages_init(parent, &parents, &pages);
w... | @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
30,099 | static bool need_remote_flush(u64 old, u64 new)
{
if (!is_shadow_present_pte(old))
return false;
if (!is_shadow_present_pte(new))
return true;
if ((old ^ new) & PT64_BASE_ADDR_MASK)
return true;
old ^= shadow_nx_mask;
new ^= shadow_nx_mask;
return (old & ~new & PT64_PERM_MASK) != 0;
}
| DoS | 0 | static bool need_remote_flush(u64 old, u64 new)
{
if (!is_shadow_present_pte(old))
return false;
if (!is_shadow_present_pte(new))
return true;
if ((old ^ new) & PT64_BASE_ADDR_MASK)
return true;
old ^= shadow_nx_mask;
new ^= shadow_nx_mask;
return (old & ~new & PT64_PERM_MASK) != 0;
}
| @@ -3182,6 +3182,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
mmu_sync_roots(vcpu);
spin_unlock(&vcpu->kvm->mmu_lock);
}
+EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);
static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
u32 access, struct x86_exception *exception)
@@ -3451,6 +3452,7 @@ ... | CWE-20 | null | null |
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