Hang on Virtual Machine startup

[a.nosov]

When VirtualBox is starting Virtual Machine, infinite loop occur when hardened module unhook child process. We test with our Dr.Web Antivirus test build. Name of function is supHardNtVpFreeOrReplacePrivateExecMemory. To fix this problem we make patch file.

[a.nosov]

patch file

[a.nosov]

Infinite loop is here

for (;;)

{

SIZE_T cbActual = 0; MEMORY_BASIC_INFORMATION MemInfo2 = { 0, 0, 0, 0, 0, 0, 0 }; uintptr_t uPtrNext = (uintptr_t)pvFree + cbFree; rcNt = g_pfnNtQueryVirtualMemory(hProcess,

(void const *)uPtrNext, MemoryBasicInformation, &MemInfo2, sizeof(MemInfo2), &cbActual);

if (!NT_SUCCESS(rcNt))

break;

if (pMemInfo->AllocationBase != MemInfo2.AllocationBase)

break;

}

[Klaus Espenlaub]

Thanks! Applied to all relevant branches and will be part of the next releases (and test builds with r109013 and later).