[Enhancement] Fix overflow bug for LogUtil.getStackTraceToJsonArray (backport #0) (backport #57538) (#57542)

mergify[bot] · gengjun-git · web-flow · commit 4cd554b1c7ac · 2025-04-02T06:38:45.000Z
Co-authored-by: gengjun-git &lt;gengjun@starrocks.com&gt;
diff --git a/fe/fe-core/src/main/java/com/starrocks/common/util/LogUtil.java b/fe/fe-core/src/main/java/com/starrocks/common/util/LogUtil.java
@@ -104,7 +104,7 @@ public static JsonArray getStackTraceToJsonArray(ThreadInfo threadInfo, int trim
     public static JsonArray getStackTraceToJsonArray(Thread thread, int reserveLevels) {
         StackTraceElement[] stackTraceElements = thread.getStackTrace();
         return strListToJsonArray(getStackTraceToList(stackTraceElements,
-                stackTraceElements.length - reserveLevels, reserveLevels));
+                Math.max(0, stackTraceElements.length - reserveLevels), reserveLevels));
     }
 
     public static String getCurrentStackTrace() {

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@ public static JsonArray getStackTraceToJsonArray(ThreadInfo threadInfo, int trim`
`104`	`104`	`public static JsonArray getStackTraceToJsonArray(Thread thread, int reserveLevels) {`
`105`	`105`	`StackTraceElement[] stackTraceElements = thread.getStackTrace();`
`106`	`106`	`return strListToJsonArray(getStackTraceToList(stackTraceElements,`
`107`		`- stackTraceElements.length - reserveLevels, reserveLevels));`
	`107`	`+ Math.max(0, stackTraceElements.length - reserveLevels), reserveLevels));`
`108`	`108`	`}`
`109`	`109`
`110`	`110`	`public static String getCurrentStackTrace() {`