diff --git a/test/hotspot/jtreg/serviceability/sa/ClhsdbPstack.java b/test/hotspot/jtreg/serviceability/sa/ClhsdbPstack.java
index 51738be3554..6921a7ec0ca 100644
--- a/test/hotspot/jtreg/serviceability/sa/ClhsdbPstack.java
+++ b/test/hotspot/jtreg/serviceability/sa/ClhsdbPstack.java
@@ -54,6 +54,10 @@ import jtreg.SkippedException;
 public class ClhsdbPstack {
 
     public static void main(String[] args) throws Exception {
+        if (Platform.isMusl()) {
+            throw new SkippedException("This test does not work on musl libc.");
+        }
+
         boolean withCore = Boolean.parseBoolean(args[0]);
         System.out.println("Starting ClhsdbPstack test: withCore==" + withCore);
 
diff --git a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixed.java b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixed.java
index e3808aa6706..a5750edf360 100644
--- a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixed.java
+++ b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixed.java
@@ -33,6 +33,8 @@ import jdk.test.lib.Utils;
 import jdk.test.lib.apps.LingeredApp;
 import jdk.test.lib.process.OutputAnalyzer;
 
+import jtreg.SkippedException;
+
 /**
  * @test
  * @key randomness
@@ -174,6 +176,10 @@ public class TestJhsdbJstackMixed {
     }
 
     public static void main(String... args) throws Exception {
+        if (Platform.isMusl()) {
+            throw new SkippedException("This test does not work on musl libc.");
+        }
+
         SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
         LingeredApp app = null;
 
diff --git a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixedWithXComp.java b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixedWithXComp.java
index a3880bc9f0e..70a9e67e406 100644
--- a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixedWithXComp.java
+++ b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackMixedWithXComp.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2025, 2026, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2025, NTT DATA
+ * Copyright (c) 2025, 2026, NTT DATA
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,11 +27,14 @@ import java.util.Arrays;
 import java.util.List;
 
 import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.Platform;
 import jdk.test.lib.SA.SATestUtils;
 import jdk.test.lib.Utils;
 import jdk.test.lib.apps.LingeredApp;
 import jdk.test.lib.process.OutputAnalyzer;
 
+import jtreg.SkippedException;
+
 /**
  * @test id=xcomp
  * @bug 8370176
@@ -111,6 +114,10 @@ public class TestJhsdbJstackMixedWithXComp {
     }
 
     public static void main(String... args) throws Exception {
+        if (Platform.isMusl()) {
+            throw new SkippedException("This test does not work on musl libc.");
+        }
+
         SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
         LingeredApp app = null;
 
diff --git a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackPrintVMLocks.java b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackPrintVMLocks.java
index f6580d71e05..e0774917f80 100644
--- a/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackPrintVMLocks.java
+++ b/test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackPrintVMLocks.java
@@ -22,6 +22,7 @@
  */
 
 import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.Platform;
 import jdk.test.lib.SA.SATestUtils;
 import jdk.test.lib.apps.LingeredApp;
 import jdk.test.lib.process.OutputAnalyzer;
@@ -43,6 +44,10 @@ public class TestJhsdbJstackPrintVMLocks {
 
     final static int MAX_ATTEMPTS = 5;
     public static void main(String[] args) throws Exception {
+        if (Platform.isMusl()) {
+            throw new SkippedException("This test does not work on musl libc.");
+        }
+
         SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
 
         LingeredApp theApp = null;