SMKM_STORE_MGR::SmFeStoreDelete

INT64 __fastcall SMKM_STORE_MGR::SmFeStoreDelete(__int64 a1, int a2){
  int v4; 
  unsigned int v5; 
  _ETHREAD *CurrentThread; 
  __int64 v7; 
  __int64 v8; 
  unsigned __int64 v9; 
  __int64 v10; 
  __int64 v11; 
  _ETHREAD *v12; 
  unsigned int SessionId; 
  char v14; 
  int v15; 
  bool v16; 
  __int64 v17; 
  unsigned __int64 v18; 
  __int64 v19; 
  __int64 v21; 
  int v22; 
  __int128 v23; 
  __int64 v24[3]; 
  int v25; 
  int v26; 
  __int64 v27; 
  INT64 result[17]; 
  memset((INT64)result, 0i64);
  v24[1] = 0i64;
  v24[2] = 0i64;
  v4 = 0;
  v27 = 0i64;
  v5 = 0;
  v25 = 0;
  v24[0] = (__int64)result;
  v26 = 8;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  --*((_WORD *)CurrentThread + 243);
  v7 = a1 + 440;
  ExAcquirePushLockExclusiveEx(a1 + 440, 0i64);
  v8 = *(_QWORD *)(a1 + 448);
  v23 = 0i64;
  if( !v8 )
    goto LABEL_2;
  while( !*(_BYTE *)(v8 + 3) )
    v8 = *(_QWORD *)(v8 + 8);
  *(_QWORD *)&v23 = v8;
  *((_QWORD *)&v23 + 1) = v8 + 8;
  while( 1 )
  {
    if( v4 )
    {
      B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeSearchKey(
        a1 + 448,
        v5,
        (__int64)v24);
      B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeIteratorFromSearchResult(
        v21,
        (__int64)&v23,
        (__int64)v24);
      v8 = v23;
      v4 = 0;
    }
    if( !v8 )
      break;
    v9 = *((_QWORD *)&v23 + 1) + 8i64;
    v10 = (unsigned __int16)*(_DWORD *)v8 + 2i64;
    *((_QWORD *)&v23 + 1) = v9;
    if( v9 >= v8 + 8 * v10 )
    {
      v11 = *(_QWORD *)(v8 + 8);
      if( v11 )
      {
        *(_QWORD *)&v23 = *(_QWORD *)(v8 + 8);
        *((_QWORD *)&v23 + 1) = v11 + 16;
        v8 = v11;
      }
      v9 = (v11 + 16) & -(__int64)(v11 != 0);
    }
    if( !v9 )
      break;
    if( *(unsigned __int16 *)(v9 + 4) == a2 )
    {
      v5 = *(_DWORD *)v9;
      *(_BYTE *)(v9 + 6) = 0;
      SMKM_STORE_MGR::SmFeDeleteEntry(a1, (__int64)v24, (__int64 *)&v23);
      v4 = 1;
LABEL_2:
      v8 = v23;
      continue;
    }
  }
  if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v7, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock((volatile INT64 *)(a1 + 440));
  v22 = 0;
  v12 = (_ETHREAD *)KeGetCurrentThread();
  if( (unsigned int)MiGetSystemRegionType(a1 + 440) == 1 )
    SessionId = MmGetSessionIdEx(*((_QWORD *)v12 + 23));
  else
    SessionId = -1;
  --*((_WORD *)v12 + 243);
  v14 = ++*((_BYTE *)v12 + 794);
  v15 = (*((char *)v12 + 792) | *((char *)v12 + 870)) ^ 0x3F;
  while( 1 )
  {
    v16 = !_BitScanReverse((unsigned int *)&v17, v15);
    if( v16 )
      break;
    v18 = *((_QWORD *)v12 + 100) + 96 * v17;
    v15 &= ~(1 << v17);
    if( (*(_BYTE *)(v18 + 26) & 1) != 0
      && (*(_DWORD *)(v18 + 32) & 1) == 0
      && (*(_QWORD *)(v18 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v7 & 0x7FFFFFFFFFFFFFFCi64)
      && *(_DWORD *)(v18 + 40) == SessionId )
    {
      *(_BYTE *)(v18 + 26) &= ~1u;
      if( *(_QWORD *)(v18 + 32) )
      {
        if( v18 )
        {
          *(_BYTE *)(v18 + 32) |= 2u;
          if( *(__int64 *)(v18 + 32) < 0 )
            KiAbEntryRemoveFromTree(v18);
          v22 = *(_DWORD *)(v18 + 88) & 0x1FFFF;
          *(_DWORD *)(v18 + 88) &= 0xFFFE0000;
          *(_BYTE *)(v18 + 25) &= ~1u;
          *(_QWORD *)(v18 + 32) = 0i64;
          v19 = (__int64)(v18 - *((_QWORD *)v12 + 100)) / 96;
          if( v14 == 1 )
            *((_BYTE *)v12 + 792) |= 1 << v19;
          else
            _InterlockedOr8((volatile signed __int8 *)v12 + 870, 1 << v19);
          goto LABEL_29;
        }
        break;
      }
    }
  }
  if( (*((_DWORD *)v12 + 30) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, (ULONG_PTR)v12, v7, SessionId, 0i64);
LABEL_29:
  --*((_BYTE *)v12 + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)v12, v7, (unsigned int *)&v22);
  v16 = (*((_WORD *)v12 + 243))++ == 0xFFFF;
  if( v16 && *((_ETHREAD **)v12 + 19) != (_ETHREAD *)((char *)v12 + 152) )
    KiCheckForKernelApcDelivery();
  return KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
}

Referenced by: