[TD-225]fix endless loop.

src/os/src/detail/osTime.c

@@ -501,10 +501,24 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
       start += (int64_t)(timezone * TSDB_TICK_PER_SECOND(precision));
     }
 
-    int64_t end = start + pInterval->interval - 1;
-    while(end < t) { // move forward to the correct time window
-      start += pInterval->sliding;
+    int64_t end = 0;
+
+    // not enough time range
+    if (INT64_MAX - start > pInterval->interval - 1) {
       end = start + pInterval->interval - 1;
+
+      while(end < t && ((start + pInterval->sliding) <= INT64_MAX)) { // move forward to the correct time window
+        start += pInterval->sliding;
+
+        if (INT64_MAX - start > pInterval->interval - 1) {
+          end = start + pInterval->interval - 1;
+        } else {
+          end = INT64_MAX;
+          break;
+        }
+      }
+    } else {
+      end = INT64_MAX;
     }
   }