3.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Gleb Natapov <[email protected]> commit 660696d1d16a71e15549ce1bf74953be1592bcd3 upstream. Source operand for one byte mov[zs]x is decoded incorrectly if it is in high byte register. Fix that. Signed-off-by: Gleb Natapov <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/x86/kvm/emulate.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4162,6 +4162,10 @@ static int decode_operand(struct x86_emu break; case OpMem8: ctxt->memop.bytes = 1; + if (ctxt->memop.type == OP_REG) { + ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm, 1); + fetch_register_operand(&ctxt->memop); + } goto mem_common; case OpMem16: ctxt->memop.bytes = 2; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
