AuroraSupport/AuroraRuntime
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[*] 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

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This commit is contained in:
Reece Wilson 2023-10-08 14:51:12 +01:00
parent 48c2175be9
commit f798c59cb8
6 changed files with 37 additions and 16 deletions
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20
Source/RNG/AuRNGEntropy.cpp
View File

@ -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
}

17
Source/SWInfo/AuSWInfo.NT.cpp
View File

@ -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)
{

1
Source/SWInfo/AuSWInfo.NT.hpp
View File

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

10
Source/SWInfo/AuSWInfo.cpp
View File

@ -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
}
}

1
Source/SWInfo/AuSWInfo.hpp
View File

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

2
Source/Time/AuClock.cpp
View File

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