Set native libs to non writable before loading it

Bug: 354921003
Test: atest libnativeloader_e2e_tests
Change-Id: I0abfe10e8673c25fc63e377b784a0626f02e0896

3 files changed, 3 insertions, 0 deletions

diff --git a/libnativeloader/test/src/android/test/hostside/LibnativeloaderTest.java b/libnativeloader/test/src/android/test/hostside/LibnativeloaderTest.java
index bcb4528ffe..e7207aedd7 100644
--- a/libnativeloader/test/src/android/test/hostside/LibnativeloaderTest.java
+++ b/libnativeloader/test/src/android/test/hostside/LibnativeloaderTest.java
@@ -359,6 +359,7 @@ public class LibnativeloaderTest extends BaseHostJUnit4Test {
             try (InputStream inStream = libApk.getInputStream(entry)) {
                 libraryTempFile = writeStreamToTempFile(libName, inStream);
             }
+            libraryTempFile.setReadOnly();
 
             destPath = destPath.replace("${LIB}", libDirName());
 
diff --git a/test/674-hiddenapi/src-art/Main.java b/test/674-hiddenapi/src-art/Main.java
index bfde4f78e3..5a1b89b0eb 100644
--- a/test/674-hiddenapi/src-art/Main.java
+++ b/test/674-hiddenapi/src-art/Main.java
@@ -156,6 +156,7 @@ public class Main {
         (addAllApisToSdk ? "1" : "0"));
     File tempFile = new File(System.getenv("DEX_LOCATION"), tempFileName);
     Files.copy(new File(nativeLibFileName).toPath(), tempFile.toPath());
+    tempFile.setWritable(false);
     return tempFile.getAbsolutePath();
   }
 
diff --git a/test/817-hiddenapi/src-art/Main.java b/test/817-hiddenapi/src-art/Main.java
index b83327e7ab..6c46deadb1 100644
--- a/test/817-hiddenapi/src-art/Main.java
+++ b/test/817-hiddenapi/src-art/Main.java
@@ -73,6 +73,7 @@ public class Main {
     String tempFileName = System.mapLibraryName("hiddenapitest");
     File tempFile = new File(System.getenv("DEX_LOCATION"), tempFileName);
     Files.copy(new File(nativeLibFileName).toPath(), tempFile.toPath());
+    tempFile.setWritable(false);
     return tempFile.getAbsolutePath();
   }