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| author |   Nadav Amit <nadav.amit@gmail.com> | 2014-12-11 12:27:14 +0100 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2014-12-11 12:27:32 +0100 |
| commit | ab646f54f4fd1a8b9671b8707f0739fdd28ce2b1 (patch) | |
| tree | 1c9bdd996c291cc2aaf0d2eeddac426a43ea776e /arch/x86/kvm/emulate.c | |
| parent | KVM: nVMX: Disable unrestricted mode if ept=0 (diff) | |
| download | linux-dev-ab646f54f4fd1a8b9671b8707f0739fdd28ce2b1.tar.xz linux-dev-ab646f54f4fd1a8b9671b8707f0739fdd28ce2b1.zip | |
KVM: x86: em_ret_far overrides cpl
commit d50eaa18039b ("KVM: x86: Perform limit checks when assigning EIP")
mistakenly used zero as cpl on em_ret_far. Use the actual one.
Fixes: d50eaa18039b8b848c2285478d0775335ad5e930
Cc: stable@vger.kernel.org
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index a8fcec6b7063..9715d6ea7d72 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2130,7 +2130,7 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt) /* Outer-privilege level return is not implemented */ if (ctxt->mode >= X86EMUL_MODE_PROT16 && (cs & 3) > cpl) return X86EMUL_UNHANDLEABLE; - rc = __load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS, 0, false, + rc = __load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS, cpl, false, &new_desc); if (rc != X86EMUL_CONTINUE) return rc; |