/* Do we have at least one page between here and the end of the stack? */
if (((ULONG_PTR)NextStackAddress - PAGE_SIZE) <= (ULONG_PTR)DeallocationStack)
{
- /* We don't -- Windows would try to make this guard page valid now */
+ /* We don't -- Trying to make this guard page valid now */
DPRINT1("Close to our death...\n");
+
+ /* Calculate the next memory address */
+ NextStackAddress = (PVOID)((ULONG_PTR)PAGE_ALIGN(DeallocationStack) + GuranteedSize);
+
+ /* Allocate the memory */
+ Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
+ &NextStackAddress,
+ 0,
+ &GuranteedSize,
+ MEM_COMMIT,
+ PAGE_READWRITE);
+ if (NT_SUCCESS(Status))
+ {
+ /* Success! */
+ Teb->NtTib.StackLimit = NextStackAddress;
+ }
+ else
+ {
+ DPRINT1("Failed to allocate memory\n");
+ }
+
return STATUS_STACK_OVERFLOW;
}