diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index b01aafc4c7..fe7a2389da 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -27,6 +27,10 @@
 *   Session:
 *   UI:
 *   Downloads:
+    *   Fix bug in `CacheWriter` that leaves data sources open and cache areas
+        locked in case the data source throws an `Exception` other than
+        `IOException`
+        ([#9760](https://github.com/google/ExoPlayer/issues/9760)).
 *   OkHttp Extension:
 *   Cronet Extension:
 *   RTMP Extension:
diff --git a/libraries/datasource/src/main/java/androidx/media3/datasource/cache/CacheWriter.java b/libraries/datasource/src/main/java/androidx/media3/datasource/cache/CacheWriter.java
index b17bdbd59d..61a4aa3d99 100644
--- a/libraries/datasource/src/main/java/androidx/media3/datasource/cache/CacheWriter.java
+++ b/libraries/datasource/src/main/java/androidx/media3/datasource/cache/CacheWriter.java
@@ -159,7 +159,7 @@ public final class CacheWriter {
       try {
         resolvedLength = dataSource.open(boundedDataSpec);
         isDataSourceOpen = true;
-      } catch (IOException e) {
+      } catch (Exception e) {
         DataSourceUtil.closeQuietly(dataSource);
       }
     }
@@ -172,7 +172,7 @@ public final class CacheWriter {
           dataSpec.buildUpon().setPosition(position).setLength(C.LENGTH_UNSET).build();
       try {
         resolvedLength = dataSource.open(unboundedDataSpec);
-      } catch (IOException e) {
+      } catch (Exception e) {
         DataSourceUtil.closeQuietly(dataSource);
         throw e;
       }
@@ -195,7 +195,7 @@ public final class CacheWriter {
       if (isLastBlock) {
         onRequestEndPosition(position + totalBytesRead);
       }
-    } catch (IOException e) {
+    } catch (Exception e) {
       DataSourceUtil.closeQuietly(dataSource);
       throw e;
     }
diff --git a/libraries/datasource/src/test/java/androidx/media3/datasource/cache/CacheWriterTest.java b/libraries/datasource/src/test/java/androidx/media3/datasource/cache/CacheWriterTest.java
index 2bdf548e04..13ffae53b0 100644
--- a/libraries/datasource/src/test/java/androidx/media3/datasource/cache/CacheWriterTest.java
+++ b/libraries/datasource/src/test/java/androidx/media3/datasource/cache/CacheWriterTest.java
@@ -22,8 +22,10 @@ import static org.junit.Assert.assertThrows;
 import android.net.Uri;
 import androidx.media3.common.C;
 import androidx.media3.common.util.Util;
+import androidx.media3.datasource.DataSource;
 import androidx.media3.datasource.DataSpec;
 import androidx.media3.datasource.FileDataSource;
+import androidx.media3.datasource.TransferListener;
 import androidx.media3.test.utils.FailOnCloseDataSink;
 import androidx.media3.test.utils.FakeDataSet;
 import androidx.media3.test.utils.FakeDataSource;
@@ -263,6 +265,119 @@ public final class CacheWriterTest {
     assertCachedData(cache, fakeDataSet);
   }
 
+  @Test
+  public void cache_ioExceptionDuringOpen_closesDataSource() {
+    FakeDataSet fakeDataSet = new FakeDataSet().newData("test_data").appendReadData(1).endData();
+    FakeDataSource dataSource = new FakeDataSource(fakeDataSet);
+    dataSource.addTransferListener(
+        new TransferListener() {
+          @Override
+          public void onTransferInitializing(
+              DataSource source, DataSpec dataSpec, boolean isNetwork) {
+            Util.sneakyThrow(new IOException());
+          }
+
+          @Override
+          public void onTransferStart(DataSource source, DataSpec dataSpec, boolean isNetwork) {}
+
+          @Override
+          public void onBytesTransferred(
+              DataSource source, DataSpec dataSpec, boolean isNetwork, int bytesTransferred) {}
+
+          @Override
+          public void onTransferEnd(DataSource source, DataSpec dataSpec, boolean isNetwork) {}
+        });
+    CacheWriter cacheWriter =
+        new CacheWriter(
+            new CacheDataSource(cache, dataSource),
+            new DataSpec(Uri.parse("test_data")),
+            /* temporaryBuffer= */ null,
+            new CachingCounters());
+
+    assertThrows(IOException.class, cacheWriter::cache);
+
+    assertThat(dataSource.isOpened()).isFalse();
+  }
+
+  @Test
+  public void cache_ioExceptionDuringRead_closesDataSource() {
+    FakeDataSet fakeDataSet =
+        new FakeDataSet()
+            .newData("test_data")
+            .appendReadError(new IOException())
+            .appendReadData(1)
+            .endData();
+    FakeDataSource dataSource = new FakeDataSource(fakeDataSet);
+    CacheWriter cacheWriter =
+        new CacheWriter(
+            new CacheDataSource(cache, dataSource),
+            new DataSpec(Uri.parse("test_data")),
+            /* temporaryBuffer= */ null,
+            new CachingCounters());
+
+    assertThrows(IOException.class, cacheWriter::cache);
+
+    assertThat(dataSource.isOpened()).isFalse();
+  }
+
+  @Test
+  public void cache_nonIoExceptionDuringOpen_closesDataSource() {
+    FakeDataSet fakeDataSet = new FakeDataSet().newData("test_data").appendReadData(1).endData();
+    FakeDataSource dataSource = new FakeDataSource(fakeDataSet);
+    dataSource.addTransferListener(
+        new TransferListener() {
+          @Override
+          public void onTransferInitializing(
+              DataSource source, DataSpec dataSpec, boolean isNetwork) {
+            throw new IllegalStateException();
+          }
+
+          @Override
+          public void onTransferStart(DataSource source, DataSpec dataSpec, boolean isNetwork) {}
+
+          @Override
+          public void onBytesTransferred(
+              DataSource source, DataSpec dataSpec, boolean isNetwork, int bytesTransferred) {}
+
+          @Override
+          public void onTransferEnd(DataSource source, DataSpec dataSpec, boolean isNetwork) {}
+        });
+    CacheWriter cacheWriter =
+        new CacheWriter(
+            new CacheDataSource(cache, dataSource),
+            new DataSpec(Uri.parse("test_data")),
+            /* temporaryBuffer= */ null,
+            new CachingCounters());
+
+    assertThrows(IllegalStateException.class, cacheWriter::cache);
+
+    assertThat(dataSource.isOpened()).isFalse();
+  }
+
+  @Test
+  public void cache_nonIoExceptionDuringRead_closesDataSource() {
+    FakeDataSet fakeDataSet =
+        new FakeDataSet()
+            .newData("test_data")
+            .appendReadAction(
+                () -> {
+                  throw new IllegalStateException();
+                })
+            .appendReadData(1)
+            .endData();
+    FakeDataSource dataSource = new FakeDataSource(fakeDataSet);
+    CacheWriter cacheWriter =
+        new CacheWriter(
+            new CacheDataSource(cache, dataSource),
+            new DataSpec(Uri.parse("test_data")),
+            /* temporaryBuffer= */ null,
+            new CachingCounters());
+
+    assertThrows(IllegalStateException.class, cacheWriter::cache);
+
+    assertThat(dataSource.isOpened()).isFalse();
+  }
+
   private static final class CachingCounters implements CacheWriter.ProgressListener {
 
     private long contentLength = C.LENGTH_UNSET;
diff --git a/libraries/exoplayer_dash/src/test/java/androidx/media3/exoplayer/dash/offline/DownloadManagerDashTest.java b/libraries/exoplayer_dash/src/test/java/androidx/media3/exoplayer/dash/offline/DownloadManagerDashTest.java
index 746b577835..5267e9ea90 100644
--- a/libraries/exoplayer_dash/src/test/java/androidx/media3/exoplayer/dash/offline/DownloadManagerDashTest.java
+++ b/libraries/exoplayer_dash/src/test/java/androidx/media3/exoplayer/dash/offline/DownloadManagerDashTest.java
@@ -165,7 +165,7 @@ public class DownloadManagerDashTest {
   }
 
   @Test
-  public void handleDownloadRequest_withInferringRequest_success() throws Throwable {
+  public void handleDownloadRequest_withInterferingRequest_success() throws Throwable {
     fakeDataSet
         .newData("audio_segment_2")
         .appendReadAction(() -> handleDownloadRequest(fakeStreamKey2))