diff --git a/libs/libks/src/ks_pool.c b/libs/libks/src/ks_pool.c
index 0bafffe3d9..b4a1b2f8be 100644
--- a/libs/libks/src/ks_pool.c
+++ b/libs/libks/src/ks_pool.c
@@ -463,6 +463,7 @@ static void *alloc_pages(ks_pool_t *mp_p, const unsigned int page_n, ks_status_t
 
 	mem = malloc(size);
 	ks_assert(mem);
+	memset(mem, 0, size);
 
 	mp_p->mp_top += size;
 	mp_p->mp_page_c += page_n;
@@ -1024,7 +1025,6 @@ static int free_mem(ks_pool_t *mp_p, void *addr)
 		return ret;
 	}
 
-
 	ret = free_pointer(mp_p, addr, size);
 
 	if (ret != KS_STATUS_SUCCESS) {
@@ -1286,7 +1286,15 @@ static ks_status_t ks_pool_raw_close(ks_pool_t *mp_p)
 		/* record the next pointer because it might be invalidated below */
 		next_p = block_p->mb_next_p;
 
+		if (next_p && (next_p->mb_magic != BLOCK_MAGIC || next_p->mb_magic2 != BLOCK_MAGIC)) {
+			final = KS_STATUS_POOL_OVER;
+			break;
+		}
 		ret = free_pages(block_p, (unsigned long)((char *) block_p->mb_bounds_p - (char *) block_p));
+		if (next_p && (next_p->mb_magic != BLOCK_MAGIC || next_p->mb_magic2 != BLOCK_MAGIC)) {
+			final = KS_STATUS_POOL_OVER;
+			break;
+		}
 
 		if (ret != KS_STATUS_SUCCESS) {
 			final = ret;
@@ -1455,6 +1463,8 @@ KS_DECLARE(void *) ks_pool_alloc_ex(ks_pool_t *mp_p, const unsigned long byte_si
 
 	ks_assert(mp_p);
 
+	//if (1) return calloc(1, byte_size);
+
 	if (mp_p->mp_magic != KS_POOL_MAGIC) {
 		if (!(mp_p->mp_flags & KS_POOL_FLAG_NO_ASSERT)) {
 			abort();
@@ -1552,6 +1562,8 @@ KS_DECLARE(void *) ks_pool_calloc_ex(ks_pool_t *mp_p, const unsigned long ele_n,
 
 	ks_assert(mp_p);
 
+	//if (1) return calloc(ele_n, ele_size);
+
 	if (mp_p->mp_magic != KS_POOL_MAGIC) {
 		if (!(mp_p->mp_flags & KS_POOL_FLAG_NO_ASSERT)) {
 			abort();
@@ -1651,10 +1663,16 @@ KS_DECLARE(ks_status_t) ks_pool_free_ex(ks_pool_t *mp_p, void **addrP)
 	ks_assert(addrP);
 
 	addr = *addrP;
-	
+
 	ks_assert(mp_p);
 	ks_assert(addr);
 
+	//if (1) {
+	//	*addrP = NULL;
+	//	free(addr);
+	//	return KS_STATUS_SUCCESS;
+	//}
+
 	ks_mutex_lock(mp_p->mutex);
 
 	if (mp_p->mp_magic != KS_POOL_MAGIC) {
@@ -1674,7 +1692,7 @@ KS_DECLARE(ks_status_t) ks_pool_free_ex(ks_pool_t *mp_p, void **addrP)
 	}
 
 	if (mp_p->mp_log_func != NULL) {
-		alloc_prefix_t *prefix = (alloc_prefix_t *) ((char *) addr - PREFIX_SIZE);
+		alloc_prefix_t *prefix = (alloc_prefix_t *)((char *)addr - PREFIX_SIZE);
 		if (prefix->refs == 1) {
 			mp_p->mp_log_func(mp_p, KS_POOL_FUNC_FREE, prefix->size, prefix->refs - 1, NULL, addr, 0);
 		} else {
@@ -1796,6 +1814,8 @@ KS_DECLARE(void *) ks_pool_resize_ex(ks_pool_t *mp_p, void *old_addr, const unsi
 
 	ks_assert(mp_p);
 	//ks_assert(old_addr);
+	
+	//if (1) return realloc(old_addr, new_byte_size);
 
 	if (!old_addr) {
 		return ks_pool_alloc_ex(mp_p, new_byte_size, error_p);
diff --git a/libs/libks/src/ks_thread.c b/libs/libks/src/ks_thread.c
index db1b690fa2..f7499830b4 100644
--- a/libs/libks/src/ks_thread.c
+++ b/libs/libks/src/ks_thread.c
@@ -101,7 +101,9 @@ static void ks_thread_cleanup(ks_pool_t *mpool, void *ptr, void *arg, int type,
 	case KS_MPCL_DESTROY:
 
 #ifdef WIN32
-		CloseHandle(thread->handle);
+		if (!(thread->flags & KS_THREAD_FLAG_DETACHED)) {
+			CloseHandle(thread->handle);
+		}
 #endif
 		break;
 	}
@@ -177,15 +179,16 @@ KS_DECLARE(int) ks_thread_set_priority(int nice_val)
 KS_DECLARE(uint8_t) ks_thread_priority(ks_thread_t *thread) {
 	uint8_t priority = 0;
 #ifdef WIN32
-	int pri = GetThreadPriority(thread->handle);
+	//int pri = GetThreadPriority(thread->handle);
 
-	if (pri >= THREAD_PRIORITY_TIME_CRITICAL) {
-		priority = 99;
-	} else if (pri >= THREAD_PRIORITY_ABOVE_NORMAL) {
-		priority = 50;
-	} else {
-		priority = 10;
-	}
+	//if (pri >= THREAD_PRIORITY_TIME_CRITICAL) {
+	//	priority = 99;
+	//} else if (pri >= THREAD_PRIORITY_ABOVE_NORMAL) {
+	//	priority = 50;
+	//} else {
+	//	priority = 10;
+	//}
+	priority = thread->priority;
 #else
 	int policy;
 	struct sched_param param = { 0 };
@@ -260,7 +263,7 @@ KS_DECLARE(ks_status_t) ks_thread_create_ex(ks_thread_t **rthread, ks_thread_fun
 	}
 
 	if (flags & KS_THREAD_FLAG_DETACHED) {
-		//CloseHandle(thread->handle);
+		CloseHandle(thread->handle);
 	}
 
 	status = KS_STATUS_SUCCESS;
diff --git a/libs/libks/src/kws.c b/libs/libks/src/kws.c
index 6afc066b24..a9c5141d72 100644
--- a/libs/libks/src/kws.c
+++ b/libs/libks/src/kws.c
@@ -1007,7 +1007,6 @@ KS_DECLARE(ks_ssize_t) kws_read_frame(kws_t *kws, kws_opcode_t *oc, uint8_t **da
 				void *tmp;
 				
 				kws->bbuflen = need + blen + kws->rplen;
-
 				if ((tmp = ks_pool_resize(kws->pool, kws->bbuffer, (unsigned long)kws->bbuflen))) {
 					kws->bbuffer = tmp;
 				} else {
@@ -1020,10 +1019,12 @@ KS_DECLARE(ks_ssize_t) kws_read_frame(kws_t *kws, kws_opcode_t *oc, uint8_t **da
 			kws->rplen = kws->plen - need;
 			
 			if (kws->rplen) {
+				ks_assert((kws->body + kws->rplen) <= (kws->bbuffer + kws->bbuflen));
 				memcpy(kws->body, kws->payload, kws->rplen);
 			}
-			
+
 			while(need) {
+				ks_assert((kws->body + need + kws->rplen) <= (kws->bbuffer + kws->bbuflen));
 				ks_ssize_t r = kws_raw_read(kws, kws->body + kws->rplen, need, WS_BLOCK);
 
 				if (r < 1) {