Add debug asserts for invalid MEMPTR

Also fixed some corruptions this uncovered

src/Cafe/OS/libs/coreinit/coreinit_Alarm.cpp

@@ -211,6 +211,7 @@ namespace coreinit
 
 	void __OSInitiateAlarm(OSAlarm_t* alarm, uint64 startTime, uint64 period, MPTR handlerFunc, bool isPeriodic)
 	{
+        cemu_assert_debug(MMU_IsInPPCMemorySpace(alarm));
 		cemu_assert_debug(__OSHasSchedulerLock());
 
 		uint64 nextTime = startTime;

src/Cafe/OS/libs/coreinit/coreinit_MEM.cpp

@@ -50,7 +50,7 @@ namespace coreinit
 	MEMList g_list3;
 
 	std::array<uint32, 3> gHeapFillValues{ 0xC3C3C3C3, 0xF3F3F3F3, 0xD3D3D3D3 };
-	OSSpinLock gHeapGlobalLock;
+	SysAllocator<OSSpinLock> gHeapGlobalLock;
 	MEMHeapBase* gDefaultHeap;
 
 	bool MEMHeapTable_Add(MEMHeapBase* heap)

src/Cafe/OS/libs/coreinit/coreinit_Thread.cpp

@@ -263,9 +263,7 @@ namespace coreinit
 			thread = (OSThread_t*)memory_getPointerFromVirtualOffset(coreinit_allocFromSysArea(sizeof(OSThread_t), 32));
 		memset(thread, 0x00, sizeof(OSThread_t));
 		// init signatures
-		thread->context.magic0 = OS_CONTEXT_MAGIC_0;
-		thread->context.magic1 = OS_CONTEXT_MAGIC_1;
-		thread->magic = 'tHrD';
+		thread->SetMagic();
 		thread->type = threadType;
 		thread->state = (entryPoint != MPTR_NULL) ? OSThread_t::THREAD_STATE::STATE_READY : OSThread_t::THREAD_STATE::STATE_NONE;
 		thread->entrypoint = _swapEndianU32(entryPoint);
@@ -563,7 +561,10 @@ namespace coreinit
 	// adds the thread to each core's run queue if in runable state
 	void __OSAddReadyThreadToRunQueue(OSThread_t* thread)
 	{
+        cemu_assert_debug(MMU_IsInPPCMemorySpace(thread));
+        cemu_assert_debug(thread->IsValidMagic());
 		cemu_assert_debug(__OSHasSchedulerLock());
+
 		if (thread->state != OSThread_t::THREAD_STATE::STATE_READY)
 			return;
 		if (thread->suspendCounter != 0)
@@ -703,10 +704,18 @@ namespace coreinit
 		}
 		else if (prevAffinityMask != affinityMask)
 		{
-			__OSRemoveThreadFromRunQueues(thread);
-			thread->attr = (thread->attr & ~7) | (affinityMask & 7);
-			thread->context.setAffinity(affinityMask);
-			__OSAddReadyThreadToRunQueue(thread);
+            if(thread->state != OSThread_t::THREAD_STATE::STATE_NONE)
+            {
+                __OSRemoveThreadFromRunQueues(thread);
+                thread->attr = (thread->attr & ~7) | (affinityMask & 7);
+                thread->context.setAffinity(affinityMask);
+                __OSAddReadyThreadToRunQueue(thread);
+            }
+            else
+            {
+                thread->attr = (thread->attr & ~7) | (affinityMask & 7);
+                thread->context.setAffinity(affinityMask);
+            }
 		}
 		__OSUnlockScheduler();
 		return true;

src/Cafe/OS/libs/coreinit/coreinit_Thread.h

@@ -404,6 +404,18 @@ struct OSThread_t
 		return 0;
 	}
 
+    void SetMagic()
+    {
+        context.magic0 = OS_CONTEXT_MAGIC_0;
+        context.magic1 = OS_CONTEXT_MAGIC_1;
+        magic = 'tHrD';
+    }
+
+    bool IsValidMagic() const
+    {
+        return magic == 'tHrD' && context.magic0 == OS_CONTEXT_MAGIC_0 && context.magic1 == OS_CONTEXT_MAGIC_1;
+    }
+
 	/* +0x000 */ OSContext_t						context;
 	/* +0x320 */ uint32be							magic;								// 'tHrD'
 	/* +0x324 */ betype<THREAD_STATE>				state;

src/Cafe/OS/libs/erreula/erreula.cpp

@@ -82,7 +82,7 @@ namespace erreula
 
 	struct ErrEula_t
 	{
-		coreinit::OSMutex mutex;
+		SysAllocator<coreinit::OSMutex> mutex;
 		uint32 regionType;
 		uint32 langType;
 		MEMPTR<coreinit::FSClient_t> fsClient;

src/Cafe/OS/libs/nn_boss/nn_boss.cpp

@@ -23,7 +23,7 @@ memset(bossRequest, 0, sizeof(iosuBossCemuRequest_t)); \
 memset(bossBufferVector, 0, sizeof(ioBufferVector_t)); \
 bossBufferVector->buffer = (uint8*)bossRequest;
 
-	coreinit::OSMutex g_mutex;
+	SysAllocator<coreinit::OSMutex> g_mutex;
 	sint32 g_initCounter = 0;
 	bool g_isInitialized = false;
 

src/Cafe/OS/libs/padscore/padscore.cpp

@@ -54,7 +54,7 @@ namespace padscore
 	WPADState_t g_wpad_state = kWPADStateMaster;
 
 	struct {
-		coreinit::OSAlarm_t alarm;
+		SysAllocator<coreinit::OSAlarm_t> alarm;
 		bool kpad_initialized = false;
 
 		struct WPADData

src/Cafe/OS/libs/vpad/vpad.cpp

@@ -163,7 +163,7 @@ namespace vpad
 	
 	struct
 	{
-		coreinit::OSAlarm_t alarm;
+		SysAllocator<coreinit::OSAlarm_t> alarm;
 
 		struct
 		{