[*] Fixed missed and double mimalloc init, via allocation under SwInfo, being probed by alternative nt clock query logic, under the fallback rng algorithm, possibly under another tls thread_only race condition

Source/RNG/AuRNGEntropy.cpp

@@ -114,14 +114,6 @@ namespace Aurora::RNG
 
     static AuUInt32 RngWin32(AuUInt8 *pBuf, AuUInt32 uLen)
     {
-        if (pRtlGenRandom)
-        {
-            if (pRtlGenRandom(pBuf, uLen))
-            {
-                return uLen;
-            }
-        }
-
         if (pBCryptGenRandom)
         {
             if (AuSwInfo::IsWindows10OrGreater() || 
@@ -133,11 +125,21 @@ namespace Aurora::RNG
                 }
             }
 
+            if (pRtlGenRandom(pBuf, uLen))
+            {
+                return uLen;
+            }
+
             if (pBCryptGenRandom(NULL, reinterpret_cast<PUCHAR>(pBuf), uLen, BCRYPT_USE_SYSTEM_PREFERRED_RNG) == 0)
             {
                 return uLen;
             }
         }
+        else if (pRtlGenRandom &&
+                 pRtlGenRandom(pBuf, uLen))
+        {
+            return uLen;
+        }
 
     #if defined(AURORA_RNG_HAS_OLD_WINCRYPT)
         if (gCryptoProv)
@@ -169,7 +171,7 @@ namespace Aurora::RNG
         static AuUInt64 gTimeHolder;
         static AuUInt64 gTime = (gTimeHolder = AuTime::SteadyClockJiffies()) >= 10'000'000ull ?
             1 :
-            AuPageRoundUp<AuUInt64>((10'000'000ull / gTimeHolder), 1024);
+            AuPageRoundUp<AuUInt64>(10'000'000ull, 1024) / gTimeHolder;
         return AuTime::SteadyClockNS() * gTime / 10'000ull;
     #endif
     }

Source/SWInfo/AuSWInfo.NT.cpp

@@ -88,13 +88,11 @@ namespace Aurora::SWInfo
 
 #endif
 
-    void InitNTInfo(OSInformation &osInfo)
+    void InitNTInfoNoAllocate(OSInformation &osInfo)
     {
         OSVERSIONINFOEX info {};
         info.dwOSVersionInfoSize = sizeof(info);
 
-        osInfo = AuMove(OSInformation(&gKernelString, &gUserlandBrand, &gUserlandDesktopEnv, &gBuildString, Aurora::Build::EPlatform::eEnumInvalid));
-
     #if defined(AURORA_PLATFORM_WIN32)
         Win32SetIsServer(osInfo);
         osInfo.bIsEnterprise = osInfo.bIsServer;//IsWindowsEnterpriseBranch();
@@ -103,8 +101,6 @@ namespace Aurora::SWInfo
         osInfo.bIsEnterprise = false;
     #endif
 
-        gUserlandDesktopEnv = "Desktop Window Manager";
-
         if (GetVersionExA(reinterpret_cast<LPOSVERSIONINFOA>(&info)))
         {
             osInfo.uKernelPatch = info.dwBuildNumber;
@@ -131,7 +127,18 @@ namespace Aurora::SWInfo
             osInfo.uUserlandMinor = ovi.wServicePackMajor;
             osInfo.uUserlandPatch = ovi.wServicePackMinor;
         }
-        
+    #endif
+    }
+
+    void InitNTInfo(OSInformation &osInfo)
+    {
+        osInfo = AuMove(OSInformation(&gKernelString, &gUserlandBrand, &gUserlandDesktopEnv, &gBuildString, Aurora::Build::EPlatform::eEnumInvalid));
+
+        InitNTInfoNoAllocate(osInfo);
+   
+        gUserlandDesktopEnv = "Desktop Window Manager";
+
+    #if defined(AURORA_PLATFORM_WIN32)
         HKEY hKey;
         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
         {

Source/SWInfo/AuSWInfo.NT.hpp

@@ -10,4 +10,5 @@
 namespace Aurora::SWInfo
 {
     void InitNTInfo(OSInformation &info);
+    void InitNTInfoNoAllocate(OSInformation &info);
 }

Source/SWInfo/AuSWInfo.cpp

@@ -30,6 +30,7 @@ namespace Aurora::SWInfo
 
     AUKN_SYM const OSInformation &GetPlatformInfo()
     {
+        SysAssert(gInfo, "No Platform Information Initialized");
         return *gInfo;
     }
 
@@ -48,4 +49,13 @@ namespace Aurora::SWInfo
         gTempInfo.ePlatform = Build::kCurrentPlatform;
         gInfo = &gTempInfo;
     }
+
+    void InitSwInfoEarly()
+    {
+    #if defined(AURORA_IS_MODERNNT_DERIVED)
+        InitNTInfoNoAllocate(gTempInfo);
+        gTempInfo.ePlatform = Build::kCurrentPlatform;
+        gInfo = &gTempInfo;
+    #endif
+    }
 }

Source/SWInfo/AuSWInfo.hpp

@@ -10,4 +10,5 @@
 namespace Aurora::SWInfo
 {
     void InitSwInfo();
+    void InitSwInfoEarly();
 }

Source/Time/AuClock.cpp

@@ -133,7 +133,7 @@
         gInitOnce.Call([]
         {
             Aurora::InitNTAddresses();
-            AuSwInfo::InitSwInfo();
+            AuSwInfo::InitSwInfoEarly();
          
             if constexpr (AuBuild::kCurrentPlatform == AuBuild::EPlatform::ePlatformWin32)
             {