KiControlProtectionFault
NTSTATUS __stdcall KiControlProtectionFault(){
unsigned __int64 v0;
unsigned __int64 v1;
unsigned __int64 v2;
void *v3;
void *v4;
unsigned __int64 v5;
unsigned __int64 v6;
_M128A v7;
_M128A v8;
_M128A v9;
_M128A v10;
_M128A v11;
_M128A v12;
_KTRAP_FRAME *__shifted(_KTRAP_FRAME,0x80) TrapFrame;
_ETHREAD *CurrentThread;
unsigned __int8 BpbKernelSpecCtrl;
unsigned __int8 BpbState;
bool v17;
NTSTATUS v18;
INT64 v19;
_ETHREAD *v20;
_ETHREAD *v21;
INT64 R9;
INT64 R8;
unsigned __int8 BpbUserSpecCtrl;
unsigned __int8 v25;
NTSTATUS result;
CHAR v29;
void *retaddr;
__int16 v31;
int v32;
void *v33;
__int16 v34;
CHAR v35;
TrapFrame = KeGetTrapFrame();
ADJ(TrapFrame)->ExceptionActive = 1;
ADJ(TrapFrame)->_Rax = v0;
ADJ(TrapFrame)->_Rcx = v2;
ADJ(TrapFrame)->_Rdx = v1;
ADJ(TrapFrame)->_R8 = (unsigned __int64)v3;
ADJ(TrapFrame)->_R9 = (unsigned __int64)v4;
ADJ(TrapFrame)->_R10 = v5;
ADJ(TrapFrame)->_R11 = v6;
if( (ADJ(TrapFrame)->SegCs & 1) != 0 )
{
if( (KiKvaShadow & 1) == 0 )
__swapgs();
_mm_lfence();
CurrentThread = (_ETHREAD *)KeGetCurrentThread();
__writegsqword(0x270u, CurrentThread->Tcb.Process->SecurityDomain);
__writegsbyte(0x851u, KeGetPcr()->Prcb.BpbRetpolineExitSpecCtrl);
__writegsbyte(0x852u, KeGetPcr()->Prcb.BpbState);
BpbKernelSpecCtrl = KeGetPcr()->Prcb.BpbKernelSpecCtrl;
if( KeGetPcr()->Prcb.BpbCurrentSpecCtrl != BpbKernelSpecCtrl )
{
__writegsbyte(0x27Au, BpbKernelSpecCtrl);
__writemsr(0x48u, BpbKernelSpecCtrl);
}
BpbState = KeGetPcr()->Prcb.BpbState;
if( (BpbState & 8) != 0 )
{
__writemsr(0x49u, 1ui64);
BpbState = KeGetPcr()->Prcb.BpbState;
}
if( (BpbState & 2) != 0 )
__flush_rsb();
_mm_lfence();
__writegsbyte(0x853u, 0);
v17 = (CurrentThread->Tcb.gap0[3] & 3) == 0;
LOWORD(ADJ(TrapFrame)->Dr7) = 0;
if( !v17 )
KiSaveDebugRegisterState();
}
else
{
_mm_lfence();
if( (KeGetPcr()->Prcb.BpbState & 1) != 0 )
__writemsr(0x48u, KeGetPcr()->Prcb.BpbCurrentSpecCtrl);
else
_mm_lfence();
}
ADJ(TrapFrame)->_MxCsr = _mm_getcsr();
_mm_setcsr(KeGetPcr()->Prcb._MxCsr);
ADJ(TrapFrame)->_Xmm0 = v7;
ADJ(TrapFrame)->_Xmm1 = v8;
ADJ(TrapFrame)->_Xmm2 = v9;
ADJ(TrapFrame)->_Xmm3 = v10;
ADJ(TrapFrame)->_Xmm4 = v11;
ADJ(TrapFrame)->_Xmm5 = v12;
if( (_BYTE)KeSmapEnabled && (ADJ(TrapFrame)->SegCs & 1) != 0 )
__stac();
if( (ADJ(TrapFrame)->EFlags & 0x200) != 0 )
_enable();
if( (KeGetPcr()->Prcb.FeatureBits & 0x400000000000i64) == 0 )
LABEL_27:
KiBugCheckDispatch(0x7Fu, (void *)0x15, v3, v4);
if( (char)KeGetCurrentThread()->gap0[3] < 0 )
goto LABEL_26;
v18 = KiProcessControlProtection((INT64)ADJ(TrapFrame));
if( v18 == 1 )
goto LABEL_29;
if( v18 == 2 )
{
LABEL_26:
KiFastFailDispatch(3221226505i64, 1i64, (void *)ADJ(TrapFrame)->_Rip, 0x39ui64, v29);
goto LABEL_27;
}
if( v18 != 3 )
goto LABEL_27;
KiExceptionDispatch(2147483699i64, 0i64, (VOID *)ADJ(TrapFrame)->_Rip, (UINT64)v4, v29);
LABEL_29:
_disable();
if( (ADJ(TrapFrame)->SegCs & 1) == 0 )
{
_mm_setcsr(ADJ(TrapFrame)->_MxCsr);
__iretq(retaddr, v31, v32, v33, v34);
}
if( (_BYTE)KeSmapEnabled )
__stac();
while( (KeGetCurrentThread()->ApcState.UserApcPendingAll & 3) != 0 )
{
__writecr8(1ui64);
_enable();
KiInitiateUserApc((_KTRAP_FRAME *)1);
_disable();
__writecr8(0i64);
}
if( (*((_BYTE *)&KeGetPcr()->Prcb.2 + 14) & 2) != 0 )
KiUpdateStibpPairing(0i64);
v20 = (_ETHREAD *)KeGetCurrentThread();
if( (*(_DWORD *)v20->Tcb.gap0 & 0x8000000) != 0 )
KiRestoreSetContextState((INT64)v20, v19, (INT64)v3, (INT64)v4, v29);
v21 = (_ETHREAD *)KeGetCurrentThread();
if( (*(_DWORD *)v21->Tcb.gap0 & 0x40010000) != 0 )
{
if( (v21->Tcb.gap0[2] & 1) != 0 )
{
KiCopyCounters(&v21->Tcb);
v21 = (_ETHREAD *)KeGetCurrentThread();
}
if( (v21->Tcb.gap0[3] & 0x40) != 0 )
KiUmsExit(1);
}
_mm_setcsr(ADJ(TrapFrame)->_MxCsr);
if( LOWORD(ADJ(TrapFrame)->Dr7) )
KiRestoreDebugRegisterState();
R9 = ADJ(TrapFrame)->_R9;
R8 = ADJ(TrapFrame)->_R8;
__writegsbyte(0x853u, 0);
BpbUserSpecCtrl = KeGetPcr()->Prcb.BpbUserSpecCtrl;
if( KeGetPcr()->Prcb.BpbCurrentSpecCtrl != BpbUserSpecCtrl )
{
__writegsbyte(0x27Au, BpbUserSpecCtrl);
__writemsr(0x48u, BpbUserSpecCtrl);
}
v25 = _bittestandreset16(MK_FP(__GS__, 632i64), 2u);
if( v25 )
__writemsr(0x49u, 1ui64);
v25 = _bittestandreset16(MK_FP(__GS__, 632i64), 5u);
if( v25 )
__flush_rsb();
if( (KiKvaShadow & 1) == 0 )
{
__swapgs();
__iretq(retaddr, v31, v32, v33, v34);
}
KiKernelExit(ADJ(TrapFrame)->_Rcx, ADJ(TrapFrame)->_Rdx, R8, R9, v35);
return result;
}Referenced by:
KiControlProtectionFaultShadow