idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
29,700 | static int handle_apic_write(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 offset = exit_qualification & 0xfff;
/* APIC-write VM exit is trap-like and thus no need to adjust IP */
kvm_apic_write_nodecode(vcpu, offset);
return 1;
}
| DoS | 0 | static int handle_apic_write(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 offset = exit_qualification & 0xfff;
/* APIC-write VM exit is trap-like and thus no need to adjust IP */
kvm_apic_write_nodecode(vcpu, offset);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,701 | static void handle_clts(struct kvm_vcpu *vcpu)
{
if (is_guest_mode(vcpu)) {
/*
* We get here when L2 did CLTS, and L1 didn't shadow CR0.TS
* but we did (!fpu_active). We need to keep GUEST_CR0.TS on,
* just pretend it's off (also in arch.cr0 for fpu_activate).
*/
vmcs_writel(CR0_READ_SHADOW,
vmcs_re... | DoS | 0 | static void handle_clts(struct kvm_vcpu *vcpu)
{
if (is_guest_mode(vcpu)) {
/*
* We get here when L2 did CLTS, and L1 didn't shadow CR0.TS
* but we did (!fpu_active). We need to keep GUEST_CR0.TS on,
* just pretend it's off (also in arch.cr0 for fpu_activate).
*/
vmcs_writel(CR0_READ_SHADOW,
vmcs_re... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,702 | static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
{
u64 sptes[4];
int nr_sptes, i, ret;
gpa_t gpa;
gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
if (!kvm_io_bus_write(vcpu->kvm, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) {
skip_emulated_instruction(vcpu);
return 1;
}
ret = handle_mmio_page_fault_common(vcpu, gpa,... | DoS | 0 | static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
{
u64 sptes[4];
int nr_sptes, i, ret;
gpa_t gpa;
gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
if (!kvm_io_bus_write(vcpu->kvm, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) {
skip_emulated_instruction(vcpu);
return 1;
}
ret = handle_mmio_page_fault_common(vcpu, gpa,... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,703 | static int handle_exception(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct kvm_run *kvm_run = vcpu->run;
u32 intr_info, ex_no, error_code;
unsigned long cr2, rip, dr6;
u32 vect_info;
enum emulation_result er;
vect_info = vmx->idt_vectoring_info;
intr_info = vmx->exit_intr_info;
if (is_m... | DoS | 0 | static int handle_exception(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct kvm_run *kvm_run = vcpu->run;
u32 intr_info, ex_no, error_code;
unsigned long cr2, rip, dr6;
u32 vect_info;
enum emulation_result er;
vect_info = vmx->idt_vectoring_info;
intr_info = vmx->exit_intr_info;
if (is_m... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,704 | static int handle_external_interrupt(struct kvm_vcpu *vcpu)
{
++vcpu->stat.irq_exits;
return 1;
}
| DoS | 0 | static int handle_external_interrupt(struct kvm_vcpu *vcpu)
{
++vcpu->stat.irq_exits;
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,705 | static int handle_halt(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
return kvm_emulate_halt(vcpu);
}
| DoS | 0 | static int handle_halt(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
return kvm_emulate_halt(vcpu);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,706 | static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
enum emulation_result err = EMULATE_DONE;
int ret = 1;
u32 cpu_exec_ctrl;
bool intr_window_requested;
unsigned count = 130;
cpu_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL);
intr_window_requested = cpu_exe... | DoS | 0 | static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
enum emulation_result err = EMULATE_DONE;
int ret = 1;
u32 cpu_exec_ctrl;
bool intr_window_requested;
unsigned count = 130;
cpu_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL);
intr_window_requested = cpu_exe... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,707 | static int handle_invd(struct kvm_vcpu *vcpu)
{
return emulate_instruction(vcpu, 0) == EMULATE_DONE;
}
| DoS | 0 | static int handle_invd(struct kvm_vcpu *vcpu)
{
return emulate_instruction(vcpu, 0) == EMULATE_DONE;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,708 | static int handle_invept(struct kvm_vcpu *vcpu)
{
u32 vmx_instruction_info, types;
unsigned long type;
gva_t gva;
struct x86_exception e;
struct {
u64 eptp, gpa;
} operand;
if (!(nested_vmx_secondary_ctls_high & SECONDARY_EXEC_ENABLE_EPT) ||
!(nested_vmx_ept_caps & VMX_EPT_INVEPT_BIT)) {
kvm_queue_exce... | DoS | 0 | static int handle_invept(struct kvm_vcpu *vcpu)
{
u32 vmx_instruction_info, types;
unsigned long type;
gva_t gva;
struct x86_exception e;
struct {
u64 eptp, gpa;
} operand;
if (!(nested_vmx_secondary_ctls_high & SECONDARY_EXEC_ENABLE_EPT) ||
!(nested_vmx_ept_caps & VMX_EPT_INVEPT_BIT)) {
kvm_queue_exce... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,709 | static int handle_invlpg(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
kvm_mmu_invlpg(vcpu, exit_qualification);
skip_emulated_instruction(vcpu);
return 1;
}
| DoS | 0 | static int handle_invlpg(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
kvm_mmu_invlpg(vcpu, exit_qualification);
skip_emulated_instruction(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,710 | static int handle_machine_check(struct kvm_vcpu *vcpu)
{
/* already handled by vcpu_run */
return 1;
}
| DoS | 0 | static int handle_machine_check(struct kvm_vcpu *vcpu)
{
/* already handled by vcpu_run */
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,711 | static int handle_monitor(struct kvm_vcpu *vcpu)
{
printk_once(KERN_WARNING "kvm: MONITOR instruction emulated as NOP!\n");
return handle_nop(vcpu);
}
| DoS | 0 | static int handle_monitor(struct kvm_vcpu *vcpu)
{
printk_once(KERN_WARNING "kvm: MONITOR instruction emulated as NOP!\n");
return handle_nop(vcpu);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,712 | static int handle_mwait(struct kvm_vcpu *vcpu)
{
printk_once(KERN_WARNING "kvm: MWAIT instruction emulated as NOP!\n");
return handle_nop(vcpu);
}
| DoS | 0 | static int handle_mwait(struct kvm_vcpu *vcpu)
{
printk_once(KERN_WARNING "kvm: MWAIT instruction emulated as NOP!\n");
return handle_nop(vcpu);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,713 | static int handle_nop(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
return 1;
}
| DoS | 0 | static int handle_nop(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,714 | static int handle_rdmsr(struct kvm_vcpu *vcpu)
{
u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX];
u64 data;
if (vmx_get_msr(vcpu, ecx, &data)) {
trace_kvm_msr_read_ex(ecx);
kvm_inject_gp(vcpu, 0);
return 1;
}
trace_kvm_msr_read(ecx, data);
/* FIXME: handling of bits 32:63 of rax, rdx */
vcpu->arch.regs[VCPU_RE... | DoS | 0 | static int handle_rdmsr(struct kvm_vcpu *vcpu)
{
u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX];
u64 data;
if (vmx_get_msr(vcpu, ecx, &data)) {
trace_kvm_msr_read_ex(ecx);
kvm_inject_gp(vcpu, 0);
return 1;
}
trace_kvm_msr_read(ecx, data);
/* FIXME: handling of bits 32:63 of rax, rdx */
vcpu->arch.regs[VCPU_RE... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,715 | static int handle_rdpmc(struct kvm_vcpu *vcpu)
{
int err;
err = kvm_rdpmc(vcpu);
kvm_complete_insn_gp(vcpu, err);
return 1;
}
| DoS | 0 | static int handle_rdpmc(struct kvm_vcpu *vcpu)
{
int err;
err = kvm_rdpmc(vcpu);
kvm_complete_insn_gp(vcpu, err);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,716 | static int handle_rmode_exception(struct kvm_vcpu *vcpu,
int vec, u32 err_code)
{
/*
* Instruction with address size override prefix opcode 0x67
* Cause the #SS fault with 0 error code in VM86 mode.
*/
if (((vec == GP_VECTOR) || (vec == SS_VECTOR)) && err_code == 0) {
if (emulate_instruction(vcpu, 0) ==... | DoS | 0 | static int handle_rmode_exception(struct kvm_vcpu *vcpu,
int vec, u32 err_code)
{
/*
* Instruction with address size override prefix opcode 0x67
* Cause the #SS fault with 0 error code in VM86 mode.
*/
if (((vec == GP_VECTOR) || (vec == SS_VECTOR)) && err_code == 0) {
if (emulate_instruction(vcpu, 0) ==... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,717 | static int handle_set_cr0(struct kvm_vcpu *vcpu, unsigned long val)
{
if (is_guest_mode(vcpu)) {
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
unsigned long orig_val = val;
/*
* We get here when L2 changed cr0 in a way that did not change
* any of L1's shadowed bits (see nested_vmx_exit_handled_cr),
* but ... | DoS | 0 | static int handle_set_cr0(struct kvm_vcpu *vcpu, unsigned long val)
{
if (is_guest_mode(vcpu)) {
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
unsigned long orig_val = val;
/*
* We get here when L2 changed cr0 in a way that did not change
* any of L1's shadowed bits (see nested_vmx_exit_handled_cr),
* but ... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,718 | static int handle_task_switch(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
unsigned long exit_qualification;
bool has_error_code = false;
u32 error_code = 0;
u16 tss_selector;
int reason, type, idt_v, idt_index;
idt_v = (vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK);
idt_index = (vmx->i... | DoS | 0 | static int handle_task_switch(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
unsigned long exit_qualification;
bool has_error_code = false;
u32 error_code = 0;
u16 tss_selector;
int reason, type, idt_v, idt_index;
idt_v = (vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK);
idt_index = (vmx->i... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,719 | static int handle_triple_fault(struct kvm_vcpu *vcpu)
{
vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN;
return 0;
}
| DoS | 0 | static int handle_triple_fault(struct kvm_vcpu *vcpu)
{
vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN;
return 0;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,720 | static int handle_vmcall(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
kvm_emulate_hypercall(vcpu);
return 1;
}
| DoS | 0 | static int handle_vmcall(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
kvm_emulate_hypercall(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,721 | static int handle_vmlaunch(struct kvm_vcpu *vcpu)
{
return nested_vmx_run(vcpu, true);
}
| DoS | 0 | static int handle_vmlaunch(struct kvm_vcpu *vcpu)
{
return nested_vmx_run(vcpu, true);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,722 | static int handle_vmoff(struct kvm_vcpu *vcpu)
{
if (!nested_vmx_check_permission(vcpu))
return 1;
free_nested(to_vmx(vcpu));
skip_emulated_instruction(vcpu);
nested_vmx_succeed(vcpu);
return 1;
}
| DoS | 0 | static int handle_vmoff(struct kvm_vcpu *vcpu)
{
if (!nested_vmx_check_permission(vcpu))
return 1;
free_nested(to_vmx(vcpu));
skip_emulated_instruction(vcpu);
nested_vmx_succeed(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,723 | static int handle_vmon(struct kvm_vcpu *vcpu)
{
struct kvm_segment cs;
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs *shadow_vmcs;
const u64 VMXON_NEEDED_FEATURES = FEATURE_CONTROL_LOCKED
| FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
/* The Intel VMX Instruction Reference lists a bunch of bits that
* are pr... | DoS | 0 | static int handle_vmon(struct kvm_vcpu *vcpu)
{
struct kvm_segment cs;
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs *shadow_vmcs;
const u64 VMXON_NEEDED_FEATURES = FEATURE_CONTROL_LOCKED
| FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
/* The Intel VMX Instruction Reference lists a bunch of bits that
* are pr... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,724 | static int handle_vmptrld(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
gpa_t vmptr;
u32 exec_control;
if (!nested_vmx_check_permission(vcpu))
return 1;
if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMPTRLD, &vmptr))
return 1;
if (vmx->nested.current_vmptr != vmptr) {
struct vmcs12 *new_vm... | DoS | 0 | static int handle_vmptrld(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
gpa_t vmptr;
u32 exec_control;
if (!nested_vmx_check_permission(vcpu))
return 1;
if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMPTRLD, &vmptr))
return 1;
if (vmx->nested.current_vmptr != vmptr) {
struct vmcs12 *new_vm... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,725 | static int handle_vmptrst(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
gva_t vmcs_gva;
struct x86_exception e;
if (!nested_vmx_check_permission(vcpu))
return 1;
if (get_vmx_mem_address(vcpu, exit_quali... | DoS | 0 | static int handle_vmptrst(struct kvm_vcpu *vcpu)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
gva_t vmcs_gva;
struct x86_exception e;
if (!nested_vmx_check_permission(vcpu))
return 1;
if (get_vmx_mem_address(vcpu, exit_quali... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,726 | static int handle_vmread(struct kvm_vcpu *vcpu)
{
unsigned long field;
u64 field_value;
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
gva_t gva = 0;
if (!nested_vmx_check_permission(vcpu) ||
!nested_vmx_check_vmcs12(vcpu))
... | DoS | 0 | static int handle_vmread(struct kvm_vcpu *vcpu)
{
unsigned long field;
u64 field_value;
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
gva_t gva = 0;
if (!nested_vmx_check_permission(vcpu) ||
!nested_vmx_check_vmcs12(vcpu))
... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,727 | static int handle_vmresume(struct kvm_vcpu *vcpu)
{
return nested_vmx_run(vcpu, false);
}
| DoS | 0 | static int handle_vmresume(struct kvm_vcpu *vcpu)
{
return nested_vmx_run(vcpu, false);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,728 | static int handle_vmwrite(struct kvm_vcpu *vcpu)
{
unsigned long field;
gva_t gva;
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
/* The value to write might be 32 or 64 bits, depending on L1's long
* mode, and eventually we need t... | DoS | 0 | static int handle_vmwrite(struct kvm_vcpu *vcpu)
{
unsigned long field;
gva_t gva;
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
/* The value to write might be 32 or 64 bits, depending on L1's long
* mode, and eventually we need t... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,729 | static int handle_wbinvd(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
kvm_emulate_wbinvd(vcpu);
return 1;
}
| DoS | 0 | static int handle_wbinvd(struct kvm_vcpu *vcpu)
{
skip_emulated_instruction(vcpu);
kvm_emulate_wbinvd(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,730 | static int handle_wrmsr(struct kvm_vcpu *vcpu)
{
struct msr_data msr;
u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX];
u64 data = (vcpu->arch.regs[VCPU_REGS_RAX] & -1u)
| ((u64)(vcpu->arch.regs[VCPU_REGS_RDX] & -1u) << 32);
msr.data = data;
msr.index = ecx;
msr.host_initiated = false;
if (vmx_set_msr(vcpu, &msr) != ... | DoS | 0 | static int handle_wrmsr(struct kvm_vcpu *vcpu)
{
struct msr_data msr;
u32 ecx = vcpu->arch.regs[VCPU_REGS_RCX];
u64 data = (vcpu->arch.regs[VCPU_REGS_RAX] & -1u)
| ((u64)(vcpu->arch.regs[VCPU_REGS_RDX] & -1u) << 32);
msr.data = data;
msr.index = ecx;
msr.host_initiated = false;
if (vmx_set_msr(vcpu, &msr) != ... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,731 | static int handle_xsetbv(struct kvm_vcpu *vcpu)
{
u64 new_bv = kvm_read_edx_eax(vcpu);
u32 index = kvm_register_read(vcpu, VCPU_REGS_RCX);
if (kvm_set_xcr(vcpu, index, new_bv) == 0)
skip_emulated_instruction(vcpu);
return 1;
}
| DoS | 0 | static int handle_xsetbv(struct kvm_vcpu *vcpu)
{
u64 new_bv = kvm_read_edx_eax(vcpu);
u32 index = kvm_register_read(vcpu, VCPU_REGS_RCX);
if (kvm_set_xcr(vcpu, index, new_bv) == 0)
skip_emulated_instruction(vcpu);
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,732 | static void hardware_disable(void)
{
if (vmm_exclusive) {
vmclear_local_loaded_vmcss();
kvm_cpu_vmxoff();
}
write_cr4(read_cr4() & ~X86_CR4_VMXE);
}
| DoS | 0 | static void hardware_disable(void)
{
if (vmm_exclusive) {
vmclear_local_loaded_vmcss();
kvm_cpu_vmxoff();
}
write_cr4(read_cr4() & ~X86_CR4_VMXE);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,733 | static int hardware_enable(void)
{
int cpu = raw_smp_processor_id();
u64 phys_addr = __pa(per_cpu(vmxarea, cpu));
u64 old, test_bits;
if (read_cr4() & X86_CR4_VMXE)
return -EBUSY;
INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu));
/*
* Now we can enable the vmclear operation in kdump
* since the loaded_... | DoS | 0 | static int hardware_enable(void)
{
int cpu = raw_smp_processor_id();
u64 phys_addr = __pa(per_cpu(vmxarea, cpu));
u64 old, test_bits;
if (read_cr4() & X86_CR4_VMXE)
return -EBUSY;
INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu));
/*
* Now we can enable the vmclear operation in kdump
* since the loaded_... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,734 | static __init int hardware_setup(void)
{
if (setup_vmcs_config(&vmcs_config) < 0)
return -EIO;
if (boot_cpu_has(X86_FEATURE_NX))
kvm_enable_efer_bits(EFER_NX);
if (!cpu_has_vmx_vpid())
enable_vpid = 0;
if (!cpu_has_vmx_shadow_vmcs())
enable_shadow_vmcs = 0;
if (enable_shadow_vmcs)
init_vmcs_shadow_fiel... | DoS | 0 | static __init int hardware_setup(void)
{
if (setup_vmcs_config(&vmcs_config) < 0)
return -EIO;
if (boot_cpu_has(X86_FEATURE_NX))
kvm_enable_efer_bits(EFER_NX);
if (!cpu_has_vmx_vpid())
enable_vpid = 0;
if (!cpu_has_vmx_shadow_vmcs())
enable_shadow_vmcs = 0;
if (enable_shadow_vmcs)
init_vmcs_shadow_fiel... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,735 | static __exit void hardware_unsetup(void)
{
free_kvm_area();
}
| DoS | 0 | static __exit void hardware_unsetup(void)
{
free_kvm_area();
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,736 | static int init_rmode_identity_map(struct kvm *kvm)
{
int i, idx, r = 0;
pfn_t identity_map_pfn;
u32 tmp;
if (!enable_ept)
return 0;
/* Protect kvm->arch.ept_identity_pagetable_done. */
mutex_lock(&kvm->slots_lock);
if (likely(kvm->arch.ept_identity_pagetable_done))
goto out2;
identity_map_pfn = kvm->ar... | DoS | 0 | static int init_rmode_identity_map(struct kvm *kvm)
{
int i, idx, r = 0;
pfn_t identity_map_pfn;
u32 tmp;
if (!enable_ept)
return 0;
/* Protect kvm->arch.ept_identity_pagetable_done. */
mutex_lock(&kvm->slots_lock);
if (likely(kvm->arch.ept_identity_pagetable_done))
goto out2;
identity_map_pfn = kvm->ar... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,737 | static int init_rmode_tss(struct kvm *kvm)
{
gfn_t fn;
u16 data = 0;
int idx, r;
idx = srcu_read_lock(&kvm->srcu);
fn = kvm->arch.tss_addr >> PAGE_SHIFT;
r = kvm_clear_guest_page(kvm, fn, 0, PAGE_SIZE);
if (r < 0)
goto out;
data = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
r = kvm_write_guest_page(kvm, fn++, &da... | DoS | 0 | static int init_rmode_tss(struct kvm *kvm)
{
gfn_t fn;
u16 data = 0;
int idx, r;
idx = srcu_read_lock(&kvm->srcu);
fn = kvm->arch.tss_addr >> PAGE_SHIFT;
r = kvm_clear_guest_page(kvm, fn, 0, PAGE_SIZE);
if (r < 0)
goto out;
data = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
r = kvm_write_guest_page(kvm, fn++, &da... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,738 | static inline bool is_external_interrupt(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
== (INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK);
}
| DoS | 0 | static inline bool is_external_interrupt(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
== (INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,739 | static inline bool is_invalid_opcode(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | UD_VECTOR | INTR_INFO_VALID_MASK);
}
| DoS | 0 | static inline bool is_invalid_opcode(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | UD_VECTOR | INTR_INFO_VALID_MASK);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,740 | static inline bool is_machine_check(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK);
}
| DoS | 0 | static inline bool is_machine_check(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,741 | static inline bool is_no_device(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | NM_VECTOR | INTR_INFO_VALID_MASK);
}
| DoS | 0 | static inline bool is_no_device(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | NM_VECTOR | INTR_INFO_VALID_MASK);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,742 | static inline bool is_page_fault(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | PF_VECTOR | INTR_INFO_VALID_MASK);
}
| DoS | 0 | static inline bool is_page_fault(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
INTR_INFO_VALID_MASK)) ==
(INTR_TYPE_HARD_EXCEPTION | PF_VECTOR | INTR_INFO_VALID_MASK);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,743 | static void kvm_machine_check(void)
{
#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
struct pt_regs regs = {
.cs = 3, /* Fake ring 3 no matter what the guest ran on */
.flags = X86_EFLAGS_IF,
};
do_machine_check(®s, 0);
#endif
}
| DoS | 0 | static void kvm_machine_check(void)
{
#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
struct pt_regs regs = {
.cs = 3, /* Fake ring 3 no matter what the guest ran on */
.flags = X86_EFLAGS_IF,
};
do_machine_check(®s, 0);
#endif
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,744 | static inline unsigned long kvm_read_tr_base(void)
{
u16 tr;
asm("str %0" : "=g"(tr));
return segment_base(tr);
}
| DoS | 0 | static inline unsigned long kvm_read_tr_base(void)
{
u16 tr;
asm("str %0" : "=g"(tr));
return segment_base(tr);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,745 | static bool ldtr_valid(struct kvm_vcpu *vcpu)
{
struct kvm_segment ldtr;
vmx_get_segment(vcpu, &ldtr, VCPU_SREG_LDTR);
if (ldtr.unusable)
return true;
if (ldtr.selector & SELECTOR_TI_MASK) /* TI = 1 */
return false;
if (ldtr.type != 2)
return false;
if (!ldtr.present)
return false;
return true;
}
| DoS | 0 | static bool ldtr_valid(struct kvm_vcpu *vcpu)
{
struct kvm_segment ldtr;
vmx_get_segment(vcpu, &ldtr, VCPU_SREG_LDTR);
if (ldtr.unusable)
return true;
if (ldtr.selector & SELECTOR_TI_MASK) /* TI = 1 */
return false;
if (ldtr.type != 2)
return false;
if (!ldtr.present)
return false;
return true;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,746 | static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
struct kvm_segment seg;
if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER)
vcpu->arch.efer = vmcs12->host_ia32_efer;
else if (vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE)
vcpu->arch.efer |= (EFER_LMA | EFER... | DoS | 0 | static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
struct kvm_segment seg;
if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER)
vcpu->arch.efer = vmcs12->host_ia32_efer;
else if (vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE)
vcpu->arch.efer |= (EFER_LMA | EFER... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,747 | static inline void loaded_vmcs_init(struct loaded_vmcs *loaded_vmcs)
{
vmcs_clear(loaded_vmcs->vmcs);
loaded_vmcs->cpu = -1;
loaded_vmcs->launched = 0;
}
| DoS | 0 | static inline void loaded_vmcs_init(struct loaded_vmcs *loaded_vmcs)
{
vmcs_clear(loaded_vmcs->vmcs);
loaded_vmcs->cpu = -1;
loaded_vmcs->launched = 0;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,748 | static void move_msr_up(struct vcpu_vmx *vmx, int from, int to)
{
struct shared_msr_entry tmp;
tmp = vmx->guest_msrs[to];
vmx->guest_msrs[to] = vmx->guest_msrs[from];
vmx->guest_msrs[from] = tmp;
}
| DoS | 0 | static void move_msr_up(struct vcpu_vmx *vmx, int from, int to)
{
struct shared_msr_entry tmp;
tmp = vmx->guest_msrs[to];
vmx->guest_msrs[to] = vmx->guest_msrs[from];
vmx->guest_msrs[from] = tmp;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,749 | static inline bool nested_cpu_has(struct vmcs12 *vmcs12, u32 bit)
{
return vmcs12->cpu_based_vm_exec_control & bit;
}
| DoS | 0 | static inline bool nested_cpu_has(struct vmcs12 *vmcs12, u32 bit)
{
return vmcs12->cpu_based_vm_exec_control & bit;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,750 | static inline bool nested_cpu_has2(struct vmcs12 *vmcs12, u32 bit)
{
return (vmcs12->cpu_based_vm_exec_control &
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS) &&
(vmcs12->secondary_vm_exec_control & bit);
}
| DoS | 0 | static inline bool nested_cpu_has2(struct vmcs12 *vmcs12, u32 bit)
{
return (vmcs12->cpu_based_vm_exec_control &
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS) &&
(vmcs12->secondary_vm_exec_control & bit);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,751 | static inline int nested_cpu_has_ept(struct vmcs12 *vmcs12)
{
return nested_cpu_has2(vmcs12, SECONDARY_EXEC_ENABLE_EPT);
}
| DoS | 0 | static inline int nested_cpu_has_ept(struct vmcs12 *vmcs12)
{
return nested_cpu_has2(vmcs12, SECONDARY_EXEC_ENABLE_EPT);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,752 | static inline bool nested_cpu_has_preemption_timer(struct vmcs12 *vmcs12)
{
return vmcs12->pin_based_vm_exec_control &
PIN_BASED_VMX_PREEMPTION_TIMER;
}
| DoS | 0 | static inline bool nested_cpu_has_preemption_timer(struct vmcs12 *vmcs12)
{
return vmcs12->pin_based_vm_exec_control &
PIN_BASED_VMX_PREEMPTION_TIMER;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,753 | static bool nested_cr0_valid(struct vmcs12 *vmcs12, unsigned long val)
{
unsigned long always_on = VMXON_CR0_ALWAYSON;
if (nested_vmx_secondary_ctls_high &
SECONDARY_EXEC_UNRESTRICTED_GUEST &&
nested_cpu_has2(vmcs12, SECONDARY_EXEC_UNRESTRICTED_GUEST))
always_on &= ~(X86_CR0_PE | X86_CR0_PG);
return (val &... | DoS | 0 | static bool nested_cr0_valid(struct vmcs12 *vmcs12, unsigned long val)
{
unsigned long always_on = VMXON_CR0_ALWAYSON;
if (nested_vmx_secondary_ctls_high &
SECONDARY_EXEC_UNRESTRICTED_GUEST &&
nested_cpu_has2(vmcs12, SECONDARY_EXEC_UNRESTRICTED_GUEST))
always_on &= ~(X86_CR0_PE | X86_CR0_PG);
return (val &... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,754 | static void nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
{
kvm_init_shadow_ept_mmu(vcpu, &vcpu->arch.mmu,
nested_vmx_ept_caps & VMX_EPT_EXECUTE_ONLY_BIT);
vcpu->arch.mmu.set_cr3 = vmx_set_cr3;
vcpu->arch.mmu.get_cr3 = nested_ept_get_cr3;
vcpu->arch.mmu.inject_page_fault = nested_ept_in... | DoS | 0 | static void nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
{
kvm_init_shadow_ept_mmu(vcpu, &vcpu->arch.mmu,
nested_vmx_ept_caps & VMX_EPT_EXECUTE_ONLY_BIT);
vcpu->arch.mmu.set_cr3 = vmx_set_cr3;
vcpu->arch.mmu.get_cr3 = nested_ept_get_cr3;
vcpu->arch.mmu.inject_page_fault = nested_ept_in... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,755 | static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
u32 exit_reason;
if (fault->error_code & PFERR_RSVD_MASK)
exit_reason = EXIT_REASON_EPT_MISCONFIG;
else
exit_reason = EXIT_REASON_EPT_VIOLATION;
nested_vmx_vmexit(vcpu, ex... | DoS | 0 | static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
u32 exit_reason;
if (fault->error_code & PFERR_RSVD_MASK)
exit_reason = EXIT_REASON_EPT_MISCONFIG;
else
exit_reason = EXIT_REASON_EPT_VIOLATION;
nested_vmx_vmexit(vcpu, ex... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,756 | static void nested_ept_uninit_mmu_context(struct kvm_vcpu *vcpu)
{
vcpu->arch.walk_mmu = &vcpu->arch.mmu;
}
| DoS | 0 | static void nested_ept_uninit_mmu_context(struct kvm_vcpu *vcpu)
{
vcpu->arch.walk_mmu = &vcpu->arch.mmu;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,757 | static bool nested_exit_intr_ack_set(struct kvm_vcpu *vcpu)
{
return get_vmcs12(vcpu)->vm_exit_controls &
VM_EXIT_ACK_INTR_ON_EXIT;
}
| DoS | 0 | static bool nested_exit_intr_ack_set(struct kvm_vcpu *vcpu)
{
return get_vmcs12(vcpu)->vm_exit_controls &
VM_EXIT_ACK_INTR_ON_EXIT;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,758 | static bool nested_exit_on_nmi(struct kvm_vcpu *vcpu)
{
return get_vmcs12(vcpu)->pin_based_vm_exec_control &
PIN_BASED_NMI_EXITING;
}
| DoS | 0 | static bool nested_exit_on_nmi(struct kvm_vcpu *vcpu)
{
return get_vmcs12(vcpu)->pin_based_vm_exec_control &
PIN_BASED_NMI_EXITING;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,759 | static void nested_free_all_saved_vmcss(struct vcpu_vmx *vmx)
{
struct vmcs02_list *item, *n;
WARN_ON(vmx->loaded_vmcs != &vmx->vmcs01);
list_for_each_entry_safe(item, n, &vmx->nested.vmcs02_pool, list) {
/*
* Something will leak if the above WARN triggers. Better than
* a use-after-free.
*/
if (vmx->... | DoS | 0 | static void nested_free_all_saved_vmcss(struct vcpu_vmx *vmx)
{
struct vmcs02_list *item, *n;
WARN_ON(vmx->loaded_vmcs != &vmx->vmcs01);
list_for_each_entry_safe(item, n, &vmx->nested.vmcs02_pool, list) {
/*
* Something will leak if the above WARN triggers. Better than
* a use-after-free.
*/
if (vmx->... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,760 | static void nested_free_vmcs02(struct vcpu_vmx *vmx, gpa_t vmptr)
{
struct vmcs02_list *item;
list_for_each_entry(item, &vmx->nested.vmcs02_pool, list)
if (item->vmptr == vmptr) {
free_loaded_vmcs(&item->vmcs02);
list_del(&item->list);
kfree(item);
vmx->nested.vmcs02_num--;
return;
}
}
| DoS | 0 | static void nested_free_vmcs02(struct vcpu_vmx *vmx, gpa_t vmptr)
{
struct vmcs02_list *item;
list_for_each_entry(item, &vmx->nested.vmcs02_pool, list)
if (item->vmptr == vmptr) {
free_loaded_vmcs(&item->vmcs02);
list_del(&item->list);
kfree(item);
vmx->nested.vmcs02_num--;
return;
}
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,761 | static struct loaded_vmcs *nested_get_current_vmcs02(struct vcpu_vmx *vmx)
{
struct vmcs02_list *item;
list_for_each_entry(item, &vmx->nested.vmcs02_pool, list)
if (item->vmptr == vmx->nested.current_vmptr) {
list_move(&item->list, &vmx->nested.vmcs02_pool);
return &item->vmcs02;
}
if (vmx->nested.vmcs02_... | DoS | 0 | static struct loaded_vmcs *nested_get_current_vmcs02(struct vcpu_vmx *vmx)
{
struct vmcs02_list *item;
list_for_each_entry(item, &vmx->nested.vmcs02_pool, list)
if (item->vmptr == vmx->nested.current_vmptr) {
list_move(&item->list, &vmx->nested.vmcs02_pool);
return &item->vmcs02;
}
if (vmx->nested.vmcs02_... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,762 | static struct page *nested_get_page(struct kvm_vcpu *vcpu, gpa_t addr)
{
struct page *page = gfn_to_page(vcpu->kvm, addr >> PAGE_SHIFT);
if (is_error_page(page))
return NULL;
return page;
}
| DoS | 0 | static struct page *nested_get_page(struct kvm_vcpu *vcpu, gpa_t addr)
{
struct page *page = gfn_to_page(vcpu->kvm, addr >> PAGE_SHIFT);
if (is_error_page(page))
return NULL;
return page;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,763 | static bool nested_get_vmcs12_pages(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) {
/* TODO: Also verify bits beyond physical address width are 0 */
if (!PAGE_ALIGNED(vmcs12->apic_access_addr))
re... | DoS | 0 | static bool nested_get_vmcs12_pages(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) {
/* TODO: Also verify bits beyond physical address width are 0 */
if (!PAGE_ALIGNED(vmcs12->apic_access_addr))
re... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,764 | static inline unsigned long nested_read_cr4(struct vmcs12 *fields)
{
return (fields->guest_cr4 & ~fields->cr4_guest_host_mask) |
(fields->cr4_read_shadow & fields->cr4_guest_host_mask);
}
| DoS | 0 | static inline unsigned long nested_read_cr4(struct vmcs12 *fields)
{
return (fields->guest_cr4 & ~fields->cr4_guest_host_mask) |
(fields->cr4_read_shadow & fields->cr4_guest_host_mask);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,765 | static void nested_release_page(struct page *page)
{
kvm_release_page_dirty(page);
}
| DoS | 0 | static void nested_release_page(struct page *page)
{
kvm_release_page_dirty(page);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,766 | static void nested_release_page_clean(struct page *page)
{
kvm_release_page_clean(page);
}
| DoS | 0 | static void nested_release_page_clean(struct page *page)
{
kvm_release_page_clean(page);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,767 | static inline bool nested_vmx_allowed(struct kvm_vcpu *vcpu)
{
return nested && guest_cpuid_has_vmx(vcpu);
}
| DoS | 0 | static inline bool nested_vmx_allowed(struct kvm_vcpu *vcpu)
{
return nested && guest_cpuid_has_vmx(vcpu);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,768 | static int nested_vmx_check_exception(struct kvm_vcpu *vcpu, unsigned nr)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
if (!(vmcs12->exception_bitmap & (1u << nr)))
return 0;
nested_vmx_vmexit(vcpu, to_vmx(vcpu)->exit_reason,
vmcs_read32(VM_EXIT_INTR_INFO),
vmcs_readl(EXIT_QUALIFICATION));
return 1;
}
| DoS | 0 | static int nested_vmx_check_exception(struct kvm_vcpu *vcpu, unsigned nr)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
if (!(vmcs12->exception_bitmap & (1u << nr)))
return 0;
nested_vmx_vmexit(vcpu, to_vmx(vcpu)->exit_reason,
vmcs_read32(VM_EXIT_INTR_INFO),
vmcs_readl(EXIT_QUALIFICATION));
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,769 | static int nested_vmx_check_permission(struct kvm_vcpu *vcpu)
{
struct kvm_segment cs;
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (!vmx->nested.vmxon) {
kvm_queue_exception(vcpu, UD_VECTOR);
return 0;
}
vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
if ((vmx_get_rflags(vcpu) & X86_EFLAGS_VM) ||
(is_long_mode(v... | DoS | 0 | static int nested_vmx_check_permission(struct kvm_vcpu *vcpu)
{
struct kvm_segment cs;
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (!vmx->nested.vmxon) {
kvm_queue_exception(vcpu, UD_VECTOR);
return 0;
}
vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
if ((vmx_get_rflags(vcpu) & X86_EFLAGS_VM) ||
(is_long_mode(v... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,770 | static int nested_vmx_check_vmcs12(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (vmx->nested.current_vmptr == -1ull) {
nested_vmx_failInvalid(vcpu);
skip_emulated_instruction(vcpu);
return 0;
}
return 1;
}
| DoS | 0 | static int nested_vmx_check_vmcs12(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (vmx->nested.current_vmptr == -1ull) {
nested_vmx_failInvalid(vcpu);
skip_emulated_instruction(vcpu);
return 0;
}
return 1;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,771 | static int nested_vmx_check_vmptr(struct kvm_vcpu *vcpu, int exit_reason,
gpa_t *vmpointer)
{
gva_t gva;
gpa_t vmptr;
struct x86_exception e;
struct page *page;
struct vcpu_vmx *vmx = to_vmx(vcpu);
int maxphyaddr = cpuid_maxphyaddr(vcpu);
if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
vm... | DoS | 0 | static int nested_vmx_check_vmptr(struct kvm_vcpu *vcpu, int exit_reason,
gpa_t *vmpointer)
{
gva_t gva;
gpa_t vmptr;
struct x86_exception e;
struct page *page;
struct vcpu_vmx *vmx = to_vmx(vcpu);
int maxphyaddr = cpuid_maxphyaddr(vcpu);
if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
vm... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,772 | static void nested_vmx_entry_failure(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12,
u32 reason, unsigned long qualification)
{
load_vmcs12_host_state(vcpu, vmcs12);
vmcs12->vm_exit_reason = reason | VMX_EXIT_REASONS_FAILED_VMENTRY;
vmcs12->exit_qualification = qualification;
nested_vmx_succeed(vcpu);
if (enab... | DoS | 0 | static void nested_vmx_entry_failure(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12,
u32 reason, unsigned long qualification)
{
load_vmcs12_host_state(vcpu, vmcs12);
vmcs12->vm_exit_reason = reason | VMX_EXIT_REASONS_FAILED_VMENTRY;
vmcs12->exit_qualification = qualification;
nested_vmx_succeed(vcpu);
if (enab... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,773 | static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
{
u32 intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
u32 exit_reason = vmx->exit_reason;
trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,
vmcs_readl(EXIT_QUALIFICATION... | DoS | 0 | static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
{
u32 intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
u32 exit_reason = vmx->exit_reason;
trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,
vmcs_readl(EXIT_QUALIFICATION... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,774 | static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
int cr = exit_qualification & 15;
int reg = (exit_qualification >> 8) & 15;
unsigned long val = kvm_register_readl(vcpu, reg);
switch ((exit_qualification >> 4... | DoS | 0 | static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
int cr = exit_qualification & 15;
int reg = (exit_qualification >> 8) & 15;
unsigned long val = kvm_register_readl(vcpu, reg);
switch ((exit_qualification >> 4... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,775 | static bool nested_vmx_exit_handled_io(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
unsigned long exit_qualification;
gpa_t bitmap, last_bitmap;
unsigned int port;
int size;
u8 b;
if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
return nested_cpu_has(vmcs12, CPU_BASED_UNCOND_IO_EXITING);
... | DoS | 0 | static bool nested_vmx_exit_handled_io(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
unsigned long exit_qualification;
gpa_t bitmap, last_bitmap;
unsigned int port;
int size;
u8 b;
if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
return nested_cpu_has(vmcs12, CPU_BASED_UNCOND_IO_EXITING);
... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,776 | static bool nested_vmx_exit_handled_msr(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12, u32 exit_reason)
{
u32 msr_index = vcpu->arch.regs[VCPU_REGS_RCX];
gpa_t bitmap;
if (!nested_cpu_has(vmcs12, CPU_BASED_USE_MSR_BITMAPS))
return 1;
/*
* The MSR_BITMAP page is divided into four 1024-byte bitmaps,
* for the... | DoS | 0 | static bool nested_vmx_exit_handled_msr(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12, u32 exit_reason)
{
u32 msr_index = vcpu->arch.regs[VCPU_REGS_RCX];
gpa_t bitmap;
if (!nested_cpu_has(vmcs12, CPU_BASED_USE_MSR_BITMAPS))
return 1;
/*
* The MSR_BITMAP page is divided into four 1024-byte bitmaps,
* for the... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,777 | static void nested_vmx_failInvalid(struct kvm_vcpu *vcpu)
{
vmx_set_rflags(vcpu, (vmx_get_rflags(vcpu)
& ~(X86_EFLAGS_PF | X86_EFLAGS_AF | X86_EFLAGS_ZF |
X86_EFLAGS_SF | X86_EFLAGS_OF))
| X86_EFLAGS_CF);
}
| DoS | 0 | static void nested_vmx_failInvalid(struct kvm_vcpu *vcpu)
{
vmx_set_rflags(vcpu, (vmx_get_rflags(vcpu)
& ~(X86_EFLAGS_PF | X86_EFLAGS_AF | X86_EFLAGS_ZF |
X86_EFLAGS_SF | X86_EFLAGS_OF))
| X86_EFLAGS_CF);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,778 | static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
{
struct vmcs12 *vmcs12;
struct vcpu_vmx *vmx = to_vmx(vcpu);
int cpu;
struct loaded_vmcs *vmcs02;
bool ia32e;
if (!nested_vmx_check_permission(vcpu) ||
!nested_vmx_check_vmcs12(vcpu))
return 1;
skip_emulated_instruction(vcpu);
vmcs12 = get_... | DoS | 0 | static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
{
struct vmcs12 *vmcs12;
struct vcpu_vmx *vmx = to_vmx(vcpu);
int cpu;
struct loaded_vmcs *vmcs02;
bool ia32e;
if (!nested_vmx_check_permission(vcpu) ||
!nested_vmx_check_vmcs12(vcpu))
return 1;
skip_emulated_instruction(vcpu);
vmcs12 = get_... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,779 | static __init void nested_vmx_setup_ctls_msrs(void)
{
/*
* Note that as a general rule, the high half of the MSRs (bits in
* the control fields which may be 1) should be initialized by the
* intersection of the underlying hardware's MSR (i.e., features which
* can be supported) and the list of features we want... | DoS | 0 | static __init void nested_vmx_setup_ctls_msrs(void)
{
/*
* Note that as a general rule, the high half of the MSRs (bits in
* the control fields which may be 1) should be initialized by the
* intersection of the underlying hardware's MSR (i.e., features which
* can be supported) and the list of features we want... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,780 | static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
u32 exit_intr_info,
unsigned long exit_qualification)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
/* trying to cancel vmlaunch/vmresume is a bug */
WARN_ON_ONCE(vmx->nested.nested_run_pendin... | DoS | 0 | static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
u32 exit_intr_info,
unsigned long exit_qualification)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
/* trying to cancel vmlaunch/vmresume is a bug */
WARN_ON_ONCE(vmx->nested.nested_run_pendin... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,781 | static bool pi_test_and_clear_on(struct pi_desc *pi_desc)
{
return test_and_clear_bit(POSTED_INTR_ON,
(unsigned long *)&pi_desc->control);
}
| DoS | 0 | static bool pi_test_and_clear_on(struct pi_desc *pi_desc)
{
return test_and_clear_bit(POSTED_INTR_ON,
(unsigned long *)&pi_desc->control);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,782 | static bool pi_test_and_set_on(struct pi_desc *pi_desc)
{
return test_and_set_bit(POSTED_INTR_ON,
(unsigned long *)&pi_desc->control);
}
| DoS | 0 | static bool pi_test_and_set_on(struct pi_desc *pi_desc)
{
return test_and_set_bit(POSTED_INTR_ON,
(unsigned long *)&pi_desc->control);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,783 | static int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
{
return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
}
| DoS | 0 | static int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
{
return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,784 | static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 exec_control;
vmcs_write16(GUEST_ES_SELECTOR, vmcs12->guest_es_selector);
vmcs_write16(GUEST_CS_SELECTOR, vmcs12->guest_cs_selector);
vmcs_write16(GUEST_SS_SELECTOR, vmcs12->guest_ss_selector);
vmc... | DoS | 0 | static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 exec_control;
vmcs_write16(GUEST_ES_SELECTOR, vmcs12->guest_es_selector);
vmcs_write16(GUEST_CS_SELECTOR, vmcs12->guest_cs_selector);
vmcs_write16(GUEST_SS_SELECTOR, vmcs12->guest_ss_selector);
vmc... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,785 | static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
u32 exit_reason, u32 exit_intr_info,
unsigned long exit_qualification)
{
/* update guest state fields: */
vmcs12->guest_cr0 = vmcs12_guest_cr0(vcpu, vmcs12);
vmcs12->guest_cr4 = vmcs12_guest_cr4(vcpu, vmcs12);
vmcs12->guest_rsp = ... | DoS | 0 | static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
u32 exit_reason, u32 exit_intr_info,
unsigned long exit_qualification)
{
/* update guest state fields: */
vmcs12->guest_cr0 = vmcs12_guest_cr0(vcpu, vmcs12);
vmcs12->guest_cr4 = vmcs12_guest_cr4(vcpu, vmcs12);
vmcs12->guest_rsp = ... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,786 | static void reload_tss(void)
{
/*
* VT restores TR but not its size. Useless.
*/
struct desc_ptr *gdt = this_cpu_ptr(&host_gdt);
struct desc_struct *descs;
descs = (void *)gdt->address;
descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
load_TR_desc();
}
| DoS | 0 | static void reload_tss(void)
{
/*
* VT restores TR but not its size. Useless.
*/
struct desc_ptr *gdt = this_cpu_ptr(&host_gdt);
struct desc_struct *descs;
descs = (void *)gdt->address;
descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
load_TR_desc();
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,787 | static inline bool report_flexpriority(void)
{
return flexpriority_enabled;
}
| DoS | 0 | static inline bool report_flexpriority(void)
{
return flexpriority_enabled;
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,788 | static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg)
{
struct kvm_segment var;
u32 ar;
vmx_get_segment(vcpu, &var, seg);
var.dpl = 0x3;
if (seg == VCPU_SREG_CS)
var.type = 0x3;
ar = vmx_segment_access_rights(&var);
if (var.base != (var.selector << 4))
return false;
if (var.limit != 0xffff)
re... | DoS | 0 | static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg)
{
struct kvm_segment var;
u32 ar;
vmx_get_segment(vcpu, &var, seg);
var.dpl = 0x3;
if (seg == VCPU_SREG_CS)
var.type = 0x3;
ar = vmx_segment_access_rights(&var);
if (var.base != (var.selector << 4))
return false;
if (var.limit != 0xffff)
re... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,789 | static void seg_setup(int seg)
{
const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
unsigned int ar;
vmcs_write16(sf->selector, 0);
vmcs_writel(sf->base, 0);
vmcs_write32(sf->limit, 0xffff);
ar = 0x93;
if (seg == VCPU_SREG_CS)
ar |= 0x08; /* code segment */
vmcs_write32(sf->ar_bytes, ar)... | DoS | 0 | static void seg_setup(int seg)
{
const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
unsigned int ar;
vmcs_write16(sf->selector, 0);
vmcs_writel(sf->base, 0);
vmcs_write32(sf->limit, 0xffff);
ar = 0x93;
if (seg == VCPU_SREG_CS)
ar |= 0x08; /* code segment */
vmcs_write32(sf->ar_bytes, ar)... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,790 | static unsigned long segment_base(u16 selector)
{
struct desc_ptr *gdt = this_cpu_ptr(&host_gdt);
struct desc_struct *d;
unsigned long table_base;
unsigned long v;
if (!(selector & ~3))
return 0;
table_base = gdt->address;
if (selector & 4) { /* from ldt */
u16 ldt_selector = kvm_read_ldt();
... | DoS | 0 | static unsigned long segment_base(u16 selector)
{
struct desc_ptr *gdt = this_cpu_ptr(&host_gdt);
struct desc_struct *d;
unsigned long table_base;
unsigned long v;
if (!(selector & ~3))
return 0;
table_base = gdt->address;
if (selector & 4) { /* from ldt */
u16 ldt_selector = kvm_read_ldt();
... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,791 | static void set_cr4_guest_host_mask(struct vcpu_vmx *vmx)
{
vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
if (enable_ept)
vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
if (is_guest_mode(&vmx->vcpu))
vmx->vcpu.arch.cr4_guest_owned_bits &=
~get_vmcs12(&vmx->vcpu)->cr4_guest_host_mask;
v... | DoS | 0 | static void set_cr4_guest_host_mask(struct vcpu_vmx *vmx)
{
vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
if (enable_ept)
vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
if (is_guest_mode(&vmx->vcpu))
vmx->vcpu.arch.cr4_guest_owned_bits &=
~get_vmcs12(&vmx->vcpu)->cr4_guest_host_mask;
v... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,792 | static void setup_msrs(struct vcpu_vmx *vmx)
{
int save_nmsrs, index;
save_nmsrs = 0;
#ifdef CONFIG_X86_64
if (is_long_mode(&vmx->vcpu)) {
index = __find_msr_index(vmx, MSR_SYSCALL_MASK);
if (index >= 0)
move_msr_up(vmx, index, save_nmsrs++);
index = __find_msr_index(vmx, MSR_LSTAR);
if (index >= 0)
m... | DoS | 0 | static void setup_msrs(struct vcpu_vmx *vmx)
{
int save_nmsrs, index;
save_nmsrs = 0;
#ifdef CONFIG_X86_64
if (is_long_mode(&vmx->vcpu)) {
index = __find_msr_index(vmx, MSR_SYSCALL_MASK);
if (index >= 0)
move_msr_up(vmx, index, save_nmsrs++);
index = __find_msr_index(vmx, MSR_LSTAR);
if (index >= 0)
m... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,793 | static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
{
u32 vmx_msr_low, vmx_msr_high;
u32 min, opt, min2, opt2;
u32 _pin_based_exec_control = 0;
u32 _cpu_based_exec_control = 0;
u32 _cpu_based_2nd_exec_control = 0;
u32 _vmexit_control = 0;
u32 _vmentry_control = 0;
min = CPU_BASED_HLT_EXITING |
#... | DoS | 0 | static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
{
u32 vmx_msr_low, vmx_msr_high;
u32 min, opt, min2, opt2;
u32 _pin_based_exec_control = 0;
u32 _cpu_based_exec_control = 0;
u32 _cpu_based_2nd_exec_control = 0;
u32 _vmexit_control = 0;
u32 _vmentry_control = 0;
min = CPU_BASED_HLT_EXITING |
#... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,794 | static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
{
return container_of(vcpu, struct vcpu_vmx, vcpu);
}
| DoS | 0 | static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
{
return container_of(vcpu, struct vcpu_vmx, vcpu);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,795 | static bool tr_valid(struct kvm_vcpu *vcpu)
{
struct kvm_segment tr;
vmx_get_segment(vcpu, &tr, VCPU_SREG_TR);
if (tr.unusable)
return false;
if (tr.selector & SELECTOR_TI_MASK) /* TI = 1 */
return false;
if (tr.type != 3 && tr.type != 11) /* TODO: Check if guest is in IA32e mode */
return false;
if (!tr.... | DoS | 0 | static bool tr_valid(struct kvm_vcpu *vcpu)
{
struct kvm_segment tr;
vmx_get_segment(vcpu, &tr, VCPU_SREG_TR);
if (tr.unusable)
return false;
if (tr.selector & SELECTOR_TI_MASK) /* TI = 1 */
return false;
if (tr.type != 3 && tr.type != 11) /* TODO: Check if guest is in IA32e mode */
return false;
if (!tr.... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,796 | static void update_exception_bitmap(struct kvm_vcpu *vcpu)
{
u32 eb;
eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
(1u << NM_VECTOR) | (1u << DB_VECTOR);
if ((vcpu->guest_debug &
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
... | DoS | 0 | static void update_exception_bitmap(struct kvm_vcpu *vcpu)
{
u32 eb;
eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
(1u << NM_VECTOR) | (1u << DB_VECTOR);
if ((vcpu->guest_debug &
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,797 | static void update_ple_window_actual_max(void)
{
ple_window_actual_max =
__shrink_ple_window(max(ple_window_max, ple_window),
ple_window_grow, INT_MIN);
}
| DoS | 0 | static void update_ple_window_actual_max(void)
{
ple_window_actual_max =
__shrink_ple_window(max(ple_window_max, ple_window),
ple_window_grow, INT_MIN);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,798 | static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
{
u64 guest_efer;
u64 ignore_bits;
guest_efer = vmx->vcpu.arch.efer;
/*
* NX is emulated; LMA and LME handled by hardware; SCE meaningless
* outside long mode
*/
ignore_bits = EFER_NX | EFER_SCE;
#ifdef CONFIG_X86_64
ignore_bits |= ... | DoS | 0 | static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
{
u64 guest_efer;
u64 ignore_bits;
guest_efer = vmx->vcpu.arch.efer;
/*
* NX is emulated; LMA and LME handled by hardware; SCE meaningless
* outside long mode
*/
ignore_bits = EFER_NX | EFER_SCE;
#ifdef CONFIG_X86_64
ignore_bits |= ... | @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
29,799 | static inline void vm_entry_controls_clearbit(struct vcpu_vmx *vmx, u32 val)
{
vm_entry_controls_set(vmx, vm_entry_controls_get(vmx) & ~val);
}
| DoS | 0 | static inline void vm_entry_controls_clearbit(struct vcpu_vmx *vmx, u32 val)
{
vm_entry_controls_set(vmx, vm_entry_controls_get(vmx) & ~val);
}
| @@ -472,6 +472,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
u64 msr_host_bndcfgs;
+ unsigned long vmcs_host_cr4; /* May not match real cr4 */
} host_state;
struct {
int vm86_active;
@@ -4267,11 +4268,16 @@ static void vmx_set_constant_host_state(s... | CWE-399 | null | null |
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