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ntoskrnl.exe: Fix incorrect interpretation of SIB byte when parsing x86 opcode.

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Sebastian Lackner 2014-11-07 05:19:33 +01:00 committed by Alexandre Julliard
parent bd6a5de27d
commit 927a44e676
1 changed files with 1 additions and 1 deletions
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2
dlls/ntoskrnl.exe/instr.c
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@ -139,7 +139,7 @@ static BYTE *INSTR_GetOperandAddr( CONTEXT *context, BYTE *instr,
GET_VAL( &sib, BYTE );
rm = sib & 7;
ss = sib >> 6;
switch(sib >> 3)
switch((sib >> 3) & 7)
{
case 0: index = context->Eax; break;
case 1: index = context->Ecx; break;