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Copy pathrtlpfreeheap.cpp
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rtlpfreeheap.cpp
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__int64 __fastcall RtlpFreeHeap(_HEAP *heap, __int64 flags, _HEAP_ENTRY *header, signed __int64 mem)
{
_HEAP_ENTRY *v4; // r14
_HEAP *v5; // rbx
char v6; // r12
int v8; // edi
signed __int64 v9; // r8
_DWORD *v10; // rcx
_BYTE *v11; // rcx
unsigned __int8 *v12; // rsi
_HEAP_ENTRY *v13; // r15
_HEAP_LOCK *v14; // rcx
struct _TEB *v15; // rax
signed __int8 v16; // cf
void *v17; // rax
unsigned int v18; // edx
_HEAP_LIST_LOOKUP *v19; // rcx
int v20; // edx
char *v21; // r8
char v22; // al
$BC2C84EDD1A61D8001D9900647BA32E5 *v23; // rsi
unsigned __int16 size; // ax
unsigned __int16 *v25; // rdx
unsigned int v26; // ecx
__int64 v27; // rdx
unsigned __int64 size1; // r8
unsigned __int64 v29; // rcx
_HEAP_ENTRY *prev; // r12
int v31; // edx
__int64 *v32; // r11
__int64 **v33; // rax
__int64 *v34; // rax
_HEAP_LIST_LOOKUP *v35; // rdi
unsigned __int64 v36; // r13
unsigned __int64 v37; // rcx
unsigned int v38; // ecx
unsigned int v39; // esi
__int64 v40; // rax
_LIST_ENTRY **v41; // r8
__int64 *v42; // r10
unsigned int v43; // eax
_LIST_ENTRY *v44; // r14
_LIST_ENTRY *v45; // rdx
int v46; // edx
int v47; // er12
__int64 *v48; // rax
__int64 **v49; // rcx
char v50; // al
unsigned __int64 v51; // rdi
_LIST_ENTRY *v52; // rdx
__int64 v53; // rdx
__int64 v54; // rcx
_HEAP_ENTRY *next_; // r14
int v56; // edx
__int64 **v98; // r11
__int64 v99; // r12
__int64 *v100; // rax
__int64 *v101; // rax
_HEAP_LIST_LOOKUP *v102; // rdi
unsigned __int64 v103; // r13
unsigned __int64 v104; // rcx
unsigned int v105; // ecx
unsigned int v106; // esi
__int64 v107; // rax
__int64 **v108; // r10
_LIST_ENTRY **v109; // r8
__int64 **v110; // rax
unsigned int v111; // edx
__int64 *v112; // r14
__int64 *v113; // rax
int v114; // edx
int v115; // er12
__int64 *v116; // rax
char v117; // al
unsigned __int64 v118; // rdi
_LIST_ENTRY *v119; // rdx
__int64 v120; // rdx
__int64 v121; // rcx
unsigned int v122; // edi
unsigned __int64 v123; // rdx
_LIST_ENTRY *v124; // rax
_HEAP_LIST_LOOKUP *v125; // r12
unsigned __int64 v126; // rcx
int v127; // er14
__int64 v128; // r14
_LIST_ENTRY *v129; // rsi
_LIST_ENTRY *v130; // r13
_LIST_ENTRY *v131; // rax
int v132; // edx
int v133; // edi
int v134; // eax
signed __int64 v135; // r8
int v136; // edx
int v137; // edi
int v138; // eax
_LIST_ENTRY *v139; // rdi
__int64 v140; // rdi
unsigned int *v141; // r8
unsigned int v142; // edx
int v143; // ecx
__int64 v144; // rdi
int v145; // ecx
int v146; // eax
_HEAP_ENTRY *v147; // r14
_HEAP_ENTRY **v148; // rax
_HEAP_LIST_LOOKUP *v149; // rdi
__int64 *v150; // r12
unsigned __int64 v151; // rcx
unsigned int v152; // ecx
unsigned int v153; // esi
__int64 v154; // rax
signed __int64 v155; // rdx
_LIST_ENTRY *v156; // r13
int v157; // ecx
int v158; // er14
unsigned __int64 v159; // rsi
signed __int64 v160; // r8
unsigned __int64 v161; // rdx
_LIST_ENTRY *v162; // rdi
_LIST_ENTRY *v163; // r8
int v164; // ecx
int v165; // eax
_HEAP_ENTRY *v166; // rsi
_HEAP_ENTRY **v167; // rax
_HEAP_LIST_LOOKUP *v168; // rdx
unsigned __int64 v169; // rdi
int v170; // edx
unsigned __int16 v171; // cx
__int16 v172; // dx
signed __int64 v173; // rdi
signed __int64 v174; // r15
__int64 v175; // rcx
__int64 v176; // rax
__int64 *v177; // rcx
__int64 v178; // rdx
__int64 v179; // r8
__int64 v180; // rdx
__int64 v181; // rdi
_BYTE *v182; // rcx
__int64 v183; // rcx
_BYTE *v184; // rcx
__int64 v185; // ST30_8
unsigned __int8 *v186; // rdi
_BYTE *v187; // rcx
__int64 v188; // ST30_8
unsigned int v189; // edx
unsigned __int64 v190; // rcx
_HEAP_LOCK *v191; // rdi
bool v192; // zf
signed __int32 v193; // ebx
__int64 v194; // r8
int v195; // edx
signed __int32 v196; // eax
__int64 *v197; // [rsp+20h] [rbp-1D8h]
__int64 v198; // [rsp+28h] [rbp-1D0h]
char v199; // [rsp+48h] [rbp-1B0h]
char v200; // [rsp+49h] [rbp-1AFh]
__int16 v201; // [rsp+4Ch] [rbp-1ACh]
_HEAP_ENTRY *v202; // [rsp+50h] [rbp-1A8h]
signed __int64 v203; // [rsp+50h] [rbp-1A8h]
unsigned __int64 v204; // [rsp+50h] [rbp-1A8h]
signed __int64 v205; // [rsp+50h] [rbp-1A8h]
unsigned __int64 size2; // [rsp+58h] [rbp-1A0h]
_HEAP_ENTRY *v207; // [rsp+60h] [rbp-198h]
__int64 v208; // [rsp+68h] [rbp-190h]
char v209; // [rsp+70h] [rbp-188h]
__int16 v210; // [rsp+72h] [rbp-186h]
__int16 v211; // [rsp+74h] [rbp-184h]
__int64 *v212; // [rsp+78h] [rbp-180h]
__int64 **v213; // [rsp+80h] [rbp-178h]
unsigned int v214; // [rsp+88h] [rbp-170h]
unsigned int v215; // [rsp+8Ch] [rbp-16Ch]
unsigned int v216; // [rsp+90h] [rbp-168h]
unsigned int v218; // [rsp+98h] [rbp-160h]
unsigned __int64 v219; // [rsp+A0h] [rbp-158h]
__int64 v220; // [rsp+A8h] [rbp-150h]
unsigned __int64 v221; // [rsp+B0h] [rbp-148h]
__int64 v222; // [rsp+B8h] [rbp-140h]
unsigned int v223; // [rsp+C0h] [rbp-138h]
unsigned int v224; // [rsp+C4h] [rbp-134h]
__int64 v225; // [rsp+C8h] [rbp-130h]
unsigned __int64 v226; // [rsp+D0h] [rbp-128h]
_HEAP_ENTRY *v227; // [rsp+D8h] [rbp-120h]
__int64 v230; // [rsp+F0h] [rbp-108h]
unsigned __int64 v231; // [rsp+F8h] [rbp-100h]
unsigned int *v232; // [rsp+100h] [rbp-F8h]
__int64 v233; // [rsp+108h] [rbp-F0h]
_HEAP_ENTRY *v234; // [rsp+110h] [rbp-E8h]
__int64 v235; // [rsp+118h] [rbp-E0h]
__int64 v236; // [rsp+120h] [rbp-D8h]
struct _TEB *v237; // [rsp+128h] [rbp-D0h]
unsigned __int64 v238; // [rsp+130h] [rbp-C8h]
int v239; // [rsp+140h] [rbp-B8h]
unsigned int v240; // [rsp+150h] [rbp-A8h]
int v242; // [rsp+170h] [rbp-88h]
int v243; // [rsp+180h] [rbp-78h]
int v244; // [rsp+190h] [rbp-68h]
unsigned int v245; // [rsp+1A0h] [rbp-58h]
int v246; // [rsp+1B0h] [rbp-48h]
unsigned int v247; // [rsp+1C0h] [rbp-38h]
_HEAP_ENTRY *v248; // [rsp+210h] [rbp+18h]
v248 = header;
v4 = header;
v5 = heap;
v6 = 1;
v200 = 1;
v199 = 0;
v215 = 1;
v219 = 0i64;
v201 = 0;
if ( heap == (_HEAP *)header ) // mitigation, can not free _HEAP
{
RtlpLogHeapFailure(9i64, (__int64)heap);
return 0i64;
}
v8 = heap->ForceFlags | flags;
if ( v8 & 0x7D010F60 )
{
v6 = 0;
v200 = 0;
v9 = 4i64;
if ( v8 & 0x61000000 && !_bittest(&v8, 0x1Cu) )
return RtlDebugFreeHeap(heap);
}
else
{
v9 = 3i64;
}
v10 = NtCurrentPeb()->SharedData;
if ( v10 && *v10 )
{
v11 = (char *)NtCurrentPeb()->SharedData + 0x226;
v12 = (unsigned __int8 *)0x7FFE0380;
}
else
{
v12 = (unsigned __int8 *)0x7FFE0380;
v11 = (_BYTE *)0x7FFE0380;
}
if ( *v11 && NtCurrentPeb()->TracingFlags & 1 )
{
v13 = v248;
if ( !((v248->UnpackedEntry.Flags ^ (unsigned __int8)(v5->Encoding.UnpackedEntry.Flags & (v5->EncodeFlagMask >> 17))) & 8) )
RtlpLogHeapFreeEvent(v5, mem, v9);
}
else
{
v13 = v248;
}
if ( v8 & 1 ) // HEAP_NO_SERIALIZE
{
if ( v5->EncodeFlagMask )
{
v20 = v13->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v13->UnpackedEntry.SubSegmentCode = v20;
if ( HIBYTE(v20) != ((unsigned __int8)v20 ^ (unsigned __int8)(BYTE1(v20) ^ BYTE2(v20))) )
RtlpAnalyzeHeapFailure((unsigned __int64)v5, (unsigned __int64)v13);
}
}
else
{
v14 = v5->LockVariable;
v15 = NtCurrentTeb();
v16 = _interlockedbittestandreset(&v14->Lock.CriticalSection.LockCount, 0);
v17 = v15->ClientId.UniqueThread;
if ( v16 )
{
v14->Lock.CriticalSection.OwningThread = v17;
v14->Lock.CriticalSection.RecursionCount = 1;
++v5->Counters.LockAcquires;
}
else if ( v14->Lock.CriticalSection.OwningThread == v17 )
{
++v14->Lock.CriticalSection.RecursionCount;
++v5->Counters.LockAcquires;
}
else
{
if ( byte_18015C3A8 )
{
NtCurrentTeb()->LastStatusValue = 0xC0000194;
v237 = NtCurrentTeb();
v237->LastErrorValue = RtlNtStatusToDosError(0xC0000194i64, flags);
v215 = 0;
LABEL_356:
v122 = 256;
goto LABEL_357;
}
RtlEnterCriticalSection(v5->LockVariable);
RtlpUpdateHeapRates(v5, 1i64);
}
v199 = 1;
v13 = v248;
if ( v5->EncodeFlagMask )
{
v18 = v248->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v248->UnpackedEntry.SubSegmentCode = v18;
if ( HIBYTE(v18) != ((unsigned __int8)v18 ^ (unsigned __int8)(BYTE1(v18) ^ BYTE2(v18))) )
RtlpAnalyzeHeapFailure((unsigned __int64)v5, (unsigned __int64)v248);
}
v19 = (_HEAP_LIST_LOOKUP *)v5->BlocksIndex;
do
{
if ( v248->UnpackedEntry.Size < (unsigned __int64)v19->ArraySize )
break;
v19 = v19->ExtendedLookup;
}
while ( v19 );
}
v21 = &v13->UnpackedEntry.Flags;
v22 = v13->UnpackedEntry.Flags;
if ( v22 & 8 ) // HEAP_ENTRY_VIRTUAL_ALLOC
*v21 = v22 & 0xF7;
if ( v13->UnpackedEntry.UnusedBytes == 4 )
{
v174 = (signed __int64)&v13[-3];
v208 = v174;
v175 = *(_QWORD *)(v174 + 32);
v222 = v175;
v219 = v174 & 0xFFFFFFFFFFFF0000ui64;
v5->Counters.TotalSizeInVirtualBlocks -= v175;
v176 = *(_QWORD *)v174;
v177 = *(__int64 **)(v174 + 8);
v178 = *v177;
if ( *v177 != *(_QWORD *)(*(_QWORD *)v174 + 8i64) || v178 != v174 )
{
LODWORD(v197) = v178;
RtlpLogHeapFailure(13i64, 0i64);
}
else
{
*v177 = v176;
*(_QWORD *)(v176 + 8) = v177;
}
if ( !v6 )
{
v224 = NtCurrentPeb()->NtGlobalFlag;
v177 = (__int64 *)v224;
if ( _bittest((const signed int *)&v177, 0xBu) )
{
v179 = *(_QWORD *)(v174 + 32) >> 4;
LODWORD(v197) = 3;
v174 = v208;
v180 = *(unsigned __int16 *)(v208 + 18);
RtlpUpdateTagEntry((_DWORD)v5);
}
else
{
v174 = v208;
}
}
if ( v199 )
{
RtlLeaveCriticalSection(v5->LockVariable);
v199 = 0;
}
v181 = *(_QWORD *)(v174 + 40);
v236 = *(_QWORD *)(v174 + 40);
if ( (unsigned int)RtlGetCurrentServiceSessionId(v177) )
{
v182 = (char *)NtCurrentPeb()->SharedData + 558;
LODWORD(v174) = v208;
v181 = v236;
}
else
{
v182 = (_BYTE *)0x7FFE0388;
}
if ( *v182 )
RtlpHeapLogRangeRelease(v5, v219, v181);
size2 = 0i64;
RtlpSecMemFreeVirtualMemory(v182, &v219, &size2, 0x8000i64, (_DWORD)v197);
if ( (unsigned int)RtlGetCurrentServiceSessionId(v183) )
{
v184 = (char *)NtCurrentPeb()->SharedData + 550;
LODWORD(v174) = v208;
}
else
{
v184 = (_BYTE *)0x7FFE0380;
}
if ( *v184 )
{
if ( NtCurrentPeb()->TracingFlags & 1 )
{
if ( (unsigned int)RtlGetCurrentServiceSessionId(v184) )
v12 = (unsigned __int8 *)NtCurrentPeb()->SharedData + 550;
v185 = *v12;
LODWORD(v174) = v208;
RtlpLogHeapContractEvent((char)v5, v208, v222, 16 * v5->TotalFreeSize);
}
else
{
LODWORD(v174) = v208;
}
}
v186 = (unsigned __int8 *)0x7FFE038A;
if ( (unsigned int)RtlGetCurrentServiceSessionId(v184) )
{
v187 = (char *)NtCurrentPeb()->SharedData + 560;
LODWORD(v174) = v208;
}
else
{
v187 = (_BYTE *)0x7FFE038A;
}
if ( *v187 )
{
if ( (unsigned int)RtlGetCurrentServiceSessionId(v187) )
{
v186 = (unsigned __int8 *)NtCurrentPeb()->SharedData + 560;
LODWORD(v174) = v208;
}
v188 = *v186;
RtlpLogHeapContractEvent((char)v5, v174, v222, 16 * v5->TotalFreeSize);
}
goto LABEL_356;
}
v23 = ($BC2C84EDD1A61D8001D9900647BA32E5 *)&v13->Code1;
size = v13->UnpackedEntry.Size;
if ( size < v5->FrontEndHeapMaximumIndex ) // LFH counter decrement
{
if ( !((unsigned __int8)(1 << (size & 7)) & v5->FrontEndHeapStatusBitmap[(unsigned __int64)size >> 3]) )
{
v25 = &v5->FrontEndHeapUsageData[LOWORD(v23->CompactHeader)];
if ( *v25 > 1u )
--*v25;
}
v13 = v248;
}
if ( !v6 )
{
v223 = NtCurrentPeb()->NtGlobalFlag;
v26 = v223;
v13 = v248;
if ( _bittest((const signed int *)&v26, 0xBu) )
{
LODWORD(v197) = 2;
if ( *v21 & 2 )
v27 = *((unsigned __int16 *)&v248[v4->UnpackedEntry.Size] - 7);
else
v209 = v248->UnpackedEntry.SmallTagIndex;
v201 = RtlpUpdateTagEntry((_DWORD)v5);
}
}
size1 = LOWORD(v23->CompactHeader);
size2 = LOWORD(v23->CompactHeader);
if ( SLOBYTE(v5->Flags) >= 0 ) // HEAP_DISABLE_COALESCE_ON_FREE
{
v227 = v13;
v29 = 0x10 * (v13->UnpackedEntry.PreviousSize ^ (unsigned __int64)v5->Encoding.UnpackedEntry.PreviousSize);
prev = &v13[v29 / 0xFFFFFFFFFFFFFFF0ui64];
v202 = &v13[v29 / 0xFFFFFFFFFFFFFFF0ui64];
if ( &v13[v29 / 0xFFFFFFFFFFFFFFF0ui64] == v13
|| (prev->UnpackedEntry.Flags ^ (unsigned __int8)(v5->Encoding.UnpackedEntry.Flags & (v5->EncodeFlagMask >> 20))) & 1 )// determine prev is the first block or busy block
{
goto skip_prev_unlink; // otherwise, ignore prev unlink
}
if ( v5->EncodeFlagMask )
{
v31 = prev->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
prev->UnpackedEntry.SubSegmentCode = v31;
if ( HIBYTE(v31) != ((unsigned __int8)v31 ^ (unsigned __int8)(BYTE1(v31) ^ BYTE2(v31))) )// decode and check prev _HEAP_ENTRY
RtlpAnalyzeHeapFailure((unsigned __int64)v5, (unsigned __int64)prev);
}
v32 = (__int64 *)&prev[1];
v212 = (__int64 *)prev[1].UnpackedEntry.PreviousBlockPrivateData;
v33 = (__int64 **)prev[1].UnpackedEntry.CompactHeader;
v213 = v33;
v34 = *v33;
mem = v212[1];
if ( v34 != (__int64 *)mem || v34 != v32 ) // check prev, blink->flink == flink->blink == x
{
v198 = 0i64;
v197 = v34;
RtlpLogHeapFailure(13i64, (__int64)v5);
LABEL_99:
size1 = size2;
skip_prev_unlink:
next_ = &v13[size1];
v203 = (signed __int64)&v13[size1];
if ( !v5->EncodeFlagMask )
goto LABEL_104;
v240 = next_->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
if ( HIBYTE(v240) != ((unsigned __int8)v240 ^ (unsigned __int8)(BYTE1(v240) ^ BYTE2(v240))) )// check next _HEAP_ENTRY
{
v198 = 0i64;
v197 = 0i64;
RtlpLogHeapFailure(3i64, (__int64)v5);
}
while ( 1 )
{
while ( 1 )
{
size1 = size2;
LABEL_104:
if ( (next_->UnpackedEntry.Flags ^ (unsigned __int8)(v5->Encoding.UnpackedEntry.Flags & (v5->EncodeFlagMask >> 20))) & 1 )// determine busy block
{
LABEL_190:
v248 = v13;
v6 = v200;
goto LABEL_191;
}
if ( v5->EncodeFlagMask )
{
v56 = next_->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
next_->UnpackedEntry.SubSegmentCode = v56;
if ( HIBYTE(v56) != ((unsigned __int8)v56 ^ (unsigned __int8)(BYTE1(v56) ^ BYTE2(v56))) )// check and decode next _HEAP_ENTRY
RtlpAnalyzeHeapFailure((unsigned __int64)v5, (unsigned __int64)next_);
}
v98 = (__int64 **)&next_[1];
v99 = (__int64)next_[1].UnpackedEntry.PreviousBlockPrivateData;
v207 = (_HEAP_ENTRY *)v99;
v100 = (__int64 *)next_[1].UnpackedEntry.CompactHeader;
v212 = v100;
v101 = (__int64 *)*v100;
mem = *(_QWORD *)(v99 + 8);
if ( v101 == (__int64 *)mem && v101 == (__int64 *)v98 )
break; // check next, blink->flink == flink->blink == x
v198 = 0i64;
v197 = v101;
RtlpLogHeapFailure(13i64, (__int64)v5);
}
v5->TotalFreeSize -= next_->UnpackedEntry.Size;
v102 = (_HEAP_LIST_LOOKUP *)v5->BlocksIndex;
if ( v102 )
{
v103 = next_->UnpackedEntry.Size;
while ( 1 )
{
v104 = v102->ArraySize;
if ( v103 < v104 )
{
v230 = next_->UnpackedEntry.Size;
v105 = v103;
goto LABEL_155;
}
if ( !v102->ExtendedLookup )
break;
v102 = v102->ExtendedLookup;
}
v105 = v104 - 1;
v230 = v105;
LABEL_155:
v238 = v103;
v106 = v105 - v102->BaseIndex;
if ( v102->ExtraItem )
v107 = 2 * v106;
else
v107 = v106;
v108 = (__int64 **)(8 * v107);
v213 = (__int64 **)(8 * v107);
v109 = v102->ListHints;
v110 = (__int64 **)v109[v107];
--v102->ItemCount;
v111 = v102->ArraySize;
mem = v111 - 1;
if ( v105 == (_DWORD)mem )
--v102->OutOfRangeItems;
if ( v110 == v98 )
{
v218 = v111;
if ( !v102->ExtendedLookup )
v111 = mem;
v218 = v111;
v112 = *v98;
v113 = (__int64 *)v102->ListHead;
if ( v105 >= v111 )
{
if ( v112 != v113 )
{
*(__int64 **)((char *)v108 + (_QWORD)v109) = v112;
next_ = (_HEAP_ENTRY *)v203;
goto LABEL_171;
}
*(__int64 **)((char *)v108 + (_QWORD)v109) = 0i64;
goto LABEL_175;
}
if ( v112 == v113 )
goto LABEL_383;
v114 = *((_DWORD *)v112 - 2);
v242 = *((_DWORD *)v112 - 2);
if ( v5->EncodeFlagMask )
{
v115 = v114 ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v242 = v115;
LOWORD(v114) = v115;
if ( HIBYTE(v115) != ((unsigned __int8)v115 ^ (unsigned __int8)(BYTE1(v115) ^ BYTE2(v115))) )
{
v198 = 0i64;
v197 = 0i64;
RtlpLogHeapFailure(3i64, (__int64)v5);
LOWORD(v114) = v115;
v108 = v213;
}
v99 = (__int64)v207;
}
if ( (_DWORD)v103 != (unsigned __int16)v114 )
{
LABEL_383:
*(__int64 **)((char *)v108 + (unsigned __int64)v102->ListHints) = 0i64;
LABEL_175:
v102->ListsInUseUlong[v106 >> 5] &= ~(1 << (v106 & 0x1F));// update ListsInUseUlong bitmap
next_ = (_HEAP_ENTRY *)v203;
goto LABEL_171;
}
*(__int64 **)((char *)v108 + (unsigned __int64)v102->ListHints) = v112;
next_ = (_HEAP_ENTRY *)v203;
}
}
LABEL_171:
v116 = v212;
*v212 = v99; // unlink write
*(_QWORD *)(v99 + 8) = v116;
if ( !(next_->UnpackedEntry.Flags & 8) || (unsigned __int8)RtlpCommitBlock(v5, next_) )
{
v117 = next_->UnpackedEntry.Flags;
if ( v117 & 4 )
{
v118 = 16i64 * next_->UnpackedEntry.Size - 32;
v231 = 16i64 * next_->UnpackedEntry.Size - 32;
if ( v117 & 2 && v118 > 4 )
{
v118 -= 4i64;
v231 = v118;
}
if ( RtlCompareMemoryUlong(&next_[2], v118, 0xFEEEFEEEi64) != v118 )
{
if ( NtCurrentPeb()->Ldr )
{
v119 = NtCurrentPeb()->Ldr->InLoadOrderModuleList.Flink;
DbgPrint("HEAP[%wZ]: ");
}
else
{
DbgPrint("HEAP: ");
}
DbgPrint("HEAP: Free Heap block %p modified at %p after it was freed\n");
RtlpBreakPointHeap(v121, v120);
}
}
v13->UnpackedEntry.Flags = 0;
v13->UnpackedEntry.UnusedBytes = 0;
size2 += next_->UnpackedEntry.Size; // update new size
v13->UnpackedEntry.Size = size2;
v13[size2].UnpackedEntry.PreviousSize = size2 ^ v5->Encoding.UnpackedEntry.PreviousSize;
size1 = size2;
goto LABEL_190;
}
RtlpDeCommitFreeBlock((__int64)v5, (__int64)next_, next_->UnpackedEntry.Size, 1);
}
}
v5->TotalFreeSize -= prev->UnpackedEntry.Size;
v35 = (_HEAP_LIST_LOOKUP *)v5->BlocksIndex;
if ( v35 )
{
v36 = prev->UnpackedEntry.Size;
while ( 1 )
{
v37 = v35->ArraySize;
if ( v36 < v37 )
{
v225 = prev->UnpackedEntry.Size;
v38 = v36;
goto LABEL_63;
}
if ( !v35->ExtendedLookup )
break;
v35 = v35->ExtendedLookup;
}
v38 = v37 - 1;
v225 = v38;
LABEL_63:
v207 = (_HEAP_ENTRY *)v36;
v39 = v38 - v35->BaseIndex;
if ( v35->ExtraItem )
v40 = 2 * v39;
else
v40 = v39;
mem = 8 * v40;
v207 = (_HEAP_ENTRY *)(8 * v40);
v41 = v35->ListHints;
v42 = (__int64 *)v41[v40];
--v35->ItemCount;
v43 = v35->ArraySize;
if ( v38 == v43 - 1 )
--v35->OutOfRangeItems;
if ( v42 == v32 )
{
v216 = v43;
if ( !v35->ExtendedLookup )
--v43;
v216 = v43;
v44 = (_LIST_ENTRY *)*v32;
v45 = v35->ListHead;
if ( v38 >= v43 )
{
if ( v44 != v45 )
{
*(_LIST_ENTRY **)((char *)v41 + mem) = v44;
goto LABEL_79;
}
*(_LIST_ENTRY **)((char *)v41 + mem) = 0i64;
}
else
{
if ( v44 != v45 )
{
v46 = (int)v44[-1].Blink;
v239 = (int)v44[-1].Blink;
if ( v5->EncodeFlagMask )
{
v47 = v46 ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v239 = v47;
LOWORD(v46) = v47;
if ( HIBYTE(v47) != ((unsigned __int8)v47 ^ (unsigned __int8)(BYTE1(v47) ^ BYTE2(v47))) )
{
v198 = 0i64;
v197 = 0i64;
RtlpLogHeapFailure(3i64, (__int64)v5);
LOWORD(v46) = v47;
mem = (signed __int64)v207;
}
prev = v202;
}
if ( (_DWORD)v36 == (unsigned __int16)v46 )
{
*(_LIST_ENTRY **)((char *)v35->ListHints + mem) = v44;
goto LABEL_79;
}
}
*(_LIST_ENTRY **)((char *)v35->ListHints + mem) = 0i64;
}
v35->ListsInUseUlong[v39 >> 5] &= ~(1 << (v39 & 0x1F));
goto LABEL_79;
}
}
LABEL_79:
v48 = v212;
v49 = v213;
*v213 = v212;
v48[1] = (__int64)v49;
if ( !(prev->UnpackedEntry.Flags & 8) || (unsigned __int8)RtlpCommitBlock(v5, prev) )
{
v50 = prev->UnpackedEntry.Flags;
if ( v50 & 4 )
{
v51 = 0x10i64 * prev->UnpackedEntry.Size - 32;
v226 = 0x10i64 * prev->UnpackedEntry.Size - 32;
if ( v50 & 2 && v51 > 4 )
{
v51 -= 4i64;
v226 = v51;
}
if ( RtlCompareMemoryUlong(&prev[2], v51, 0xFEEEFEEEi64) != v51 )
{
if ( NtCurrentPeb()->Ldr )
{
v52 = NtCurrentPeb()->Ldr->InLoadOrderModuleList.Flink;
DbgPrint("HEAP[%wZ]: ");
}
else
{
DbgPrint("HEAP: ");
}
DbgPrint("HEAP: Free Heap block %p modified at %p after it was freed\n");
RtlpBreakPointHeap(v54, v53);
}
}
prev->UnpackedEntry.Flags = 0;
prev->UnpackedEntry.UnusedBytes = 0;
v13 = prev;
v227 = prev;
size2 += prev->UnpackedEntry.Size;
prev->UnpackedEntry.Size = size2;
prev[size2].UnpackedEntry.PreviousSize = size2 ^ v5->Encoding.UnpackedEntry.PreviousSize;
}
else
{
RtlpDeCommitFreeBlock((__int64)v5, (__int64)prev, prev->UnpackedEntry.Size, 1);
}
goto LABEL_99;
}
LABEL_191: // after prev and next unlink
if ( size1 < v5->DeCommitFreeBlockThreshold || size1 + v5->TotalFreeSize < v5->DeCommitTotalFreeThreshold )
{
if ( size1 + v5->TotalFreeSize > v5->DeCommitTotalFreeThreshold )
{
v122 = 0x100;
if ( size1 >= 0x100 && v5->Encoding.UnpackedEntry.PreviousSize == v13->UnpackedEntry.PreviousSize )
{
RtlpDeCommitFreeBlock((__int64)v5, (__int64)v13, size1, 0);
goto LABEL_357;
}
}
if ( size1 > 0xFF00 ) // HEAP_MAX_BLOCK_SIZE
{
RtlpInsertFreeBlock(v5, v13);
if ( !v201 )
goto LABEL_384;
LABEL_316:
if ( v5->EncodeFlagMask )
{
v170 = v13->UnpackedEntry.SubSegmentCode ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v13->UnpackedEntry.SubSegmentCode = v170;
if ( HIBYTE(v170) != ((unsigned __int8)v170 ^ (unsigned __int8)(BYTE1(v170) ^ BYTE2(v170))) )
RtlpAnalyzeHeapFailure((unsigned __int64)v5, (unsigned __int64)v13);
}
v13->UnpackedEntry.Flags |= 2u;
v171 = v13->UnpackedEntry.Size;
v172 = v171 >> 8;
v173 = (signed __int64)&v13[v13->UnpackedEntry.Size];
if ( v5->EncodeFlagMask )
{
v13->UnpackedEntry.SmallTagIndex = v171 ^ v172 ^ v13->UnpackedEntry.Flags;
v13->UnpackedEntry.SubSegmentCode ^= v5->Encoding.UnpackedEntry.SubSegmentCode;
}
*(_WORD *)(v173 - 4) = v201;
*(_WORD *)(v173 - 2) = 0;
if ( v5->Flags & 0x8000000 )
{
*(_WORD *)(v173 - 2) = RtlLogStackBackTraceEx(1i64);
v122 = 256;
}
else
{
LABEL_384:
v122 = 256;
}
goto LABEL_357;
}
if ( v6 ) // insertion point search
{
v123 = (unsigned __int16)size1;
v204 = (unsigned __int16)size1;
v13->UnpackedEntry.Flags = 0;
v13->UnpackedEntry.UnusedBytes = 0;
v124 = &v5->FreeLists;
v125 = (_HEAP_LIST_LOOKUP *)v5->BlocksIndex;
if ( v125 )
{
while ( 1 )
{
v126 = v125->ArraySize;
if ( (unsigned __int16)size1 < v126 )
{
v127 = (unsigned __int16)size1;
v220 = (unsigned __int16)size1;
goto LABEL_207;
}
if ( !v125->ExtendedLookup )
break;
v125 = v125->ExtendedLookup;
}
v127 = v126 - 1;
v220 = (unsigned int)(v126 - 1);
LABEL_207:
while ( 1 )
{
v128 = v127 - v125->BaseIndex;
v129 = 0i64;
v130 = v125->ListHead;
v131 = v130->Blink;
if ( v130 == v131 )
{
v129 = v125->ListHead;
}
else
{
v132 = (int)v131[-1].Blink;
v243 = (int)v131[-1].Blink;
if ( v5->EncodeFlagMask )
{
v133 = v132 ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v243 = v133;
LOWORD(v132) = v133;
if ( HIBYTE(v133) != ((unsigned __int8)v133 ^ (unsigned __int8)(BYTE1(v133) ^ BYTE2(v133))) )
{
v198 = 0i64;
v197 = 0i64;
RtlpLogHeapFailure(3i64, (__int64)v5);
LOWORD(v132) = v133;
}
}
v134 = (unsigned __int16)v132;
v123 = v204;
if ( (signed int)v204 - v134 <= 0 )
{
v135 = (signed __int64)&v130->Flink[0xFFFFFFFF];
v136 = *(_DWORD *)(v135 + 8);
v244 = *(_DWORD *)(v135 + 8);
if ( v5->EncodeFlagMask )
{
v137 = v136 ^ v5->Encoding.UnpackedEntry.SubSegmentCode;
v244 = v137;
LOWORD(v136) = v137;
if ( HIBYTE(v137) != ((unsigned __int8)v137 ^ (unsigned __int8)(BYTE1(v137) ^ BYTE2(v137))) )
{
v198 = 0i64;
v197 = 0i64;
RtlpLogHeapFailure(3i64, (__int64)v5);
LOWORD(v136) = v137;
}
}
v138 = (unsigned __int16)v136;
v123 = v204;
if ( (signed int)v204 - v138 > 0 )
{
if ( v125->ExtendedLookup || (_DWORD)v220 != v125->ArraySize - 1 )
{
v140 = (unsigned int)v128 >> 5;
v214 = (unsigned int)v128 >> 5;
mem = ((v125->ArraySize - v125->BaseIndex) >> 5) - 1;
v141 = &v125->ListsInUseUlong[v140];
v232 = v141;
v142 = *v141 & ~((1 << (v128 & 0x1F)) - 1);
while ( !v142 )
{
if ( (unsigned int)v140 > (unsigned int)mem )
{
v13 = v248;
goto LABEL_247;
}
++v141;
v232 = v141;
v142 = *v141;
LODWORD(v140) = v140 + 1;
v214 = v140;
}
if ( (_WORD)v142 )
{
if ( (_BYTE)v142 )
v143 = (unsigned __int8)RtlpBitsClearLow[(unsigned __int8)v142];
else
v143 = (unsigned __int8)RtlpBitsClearLow[BYTE1(v142)] + 8;
}
else if ( v142 & 0xFF0000 )
{
v143 = (unsigned __int8)RtlpBitsClearLow[BYTE2(v142)] + 16;
}
else
{
v143 = (unsigned __int8)RtlpBitsClearLow[(unsigned __int64)v142 >> 24] + 24;
}
v144 = (unsigned int)(v143 + 0x20 * v140);
v214 = v144;
if ( v125->ExtraItem )
v144 = (unsigned int)(2 * v144);
v129 = v125->ListHints[v144];
LABEL_243:
v123 = v204;
}
else
{
if ( v125->ExtraItem )
v128 = (unsigned int)(2 * v128);
v139 = v125->ListHints[v128];
while ( v130 != v139 )
{
LOBYTE(mem) = 1;
if ( (signed int)RtlpHeapListCompare(v5, v139, v123, mem, v197, v198) <= 0 )
{
v129 = v139;
goto LABEL_243;
}
v139 = v139->Flink;
v123 = v204;
}
}
}
else
{
v129 = v130->Flink;
}
}
else
{
v129 = v130;
}
v13 = v248;
}
if ( v129 )
break;
LABEL_247:
v125 = v125->ExtendedLookup;
v127 = v125->BaseIndex;
v220 = v125->BaseIndex;
v123 = v204;
}
v124 = &v5->FreeLists;
}
else
{
v129 = v124->Flink;
}
while ( v124 != v129 ) // link-in
{
if ( v5->EncodeFlagMask )
{