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| author | Eugene Korenevsky <ekorenevsky@gmail.com> | 2019-06-05 23:19:16 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-06-18 11:43:45 +0200 |
| commit | fdb28619a8f033c13f5d9b9e8b5536bb6e68a2c3 (patch) | |
| tree | 42bd37018ff4798e0e89ea671e899e7c98c1f5fe /arch/x86/kvm/vmx/nested.h | |
| parent | kvm: vmx: fix limit checking in get_vmx_mem_address() (diff) | |
| download | linux-fdb28619a8f033c13f5d9b9e8b5536bb6e68a2c3.tar.xz linux-fdb28619a8f033c13f5d9b9e8b5536bb6e68a2c3.zip | |
kvm: vmx: segment limit check: use access length
There is an imperfection in get_vmx_mem_address(): access length is ignored
when checking the limit. To fix this, pass access length as a function argument.
The access length is usually obvious since it is used by callers after
get_vmx_mem_address() call, but for vmread/vmwrite it depends on the
state of 64-bit mode.
Signed-off-by: Eugene Korenevsky <ekorenevsky@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/nested.h')
| -rw-r--r-- | arch/x86/kvm/vmx/nested.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/nested.h b/arch/x86/kvm/vmx/nested.h index e847ff1019a2..29d205bb4e4f 100644 --- a/arch/x86/kvm/vmx/nested.h +++ b/arch/x86/kvm/vmx/nested.h @@ -21,7 +21,7 @@ void nested_sync_from_vmcs12(struct kvm_vcpu *vcpu); int vmx_set_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); int vmx_get_vmx_msr(struct nested_vmx_msrs *msrs, u32 msr_index, u64 *pdata); int get_vmx_mem_address(struct kvm_vcpu *vcpu, unsigned long exit_qualification, - u32 vmx_instruction_info, bool wr, gva_t *ret); + u32 vmx_instruction_info, bool wr, int len, gva_t *ret); static inline struct vmcs12 *get_vmcs12(struct kvm_vcpu *vcpu) { |