This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch 10.1.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/10.1.x by this push:
new cb0fc93f1e Improve handling of overflow
cb0fc93f1e is described below
commit cb0fc93f1e077905ef8487aa7f54eab36346fe0e
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Sun Apr 7 22:01:20 2024 +0200
Improve handling of overflow
---
java/org/apache/tomcat/util/http/fileupload/disk/DiskFileItem.java | 3 ++-
webapps/docs/changelog.xml | 5 +++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/java/org/apache/tomcat/util/http/fileupload/disk/DiskFileItem.java
b/java/org/apache/tomcat/util/http/fileupload/disk/DiskFileItem.java
index dfdca9d426..e35c1ea237 100644
--- a/java/org/apache/tomcat/util/http/fileupload/disk/DiskFileItem.java
+++ b/java/org/apache/tomcat/util/http/fileupload/disk/DiskFileItem.java
@@ -289,6 +289,7 @@ public class DiskFileItem
* or {@code null} if the data cannot be read
*
* @throws UncheckedIOException if an I/O error occurs
+ * @throws ArithmeticException if the file {@code size} overflows an int
*/
@Override
public byte[] get() throws UncheckedIOException {
@@ -299,7 +300,7 @@ public class DiskFileItem
return cachedContent != null ? cachedContent.clone() : new byte[0];
}
- final byte[] fileData = new byte[(int) getSize()];
+ final byte[] fileData = new byte[Math.toIntExact(getSize())];
try (InputStream fis = Files.newInputStream(dfos.getFile().toPath())) {
IOUtils.readFully(fis, fileData);
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index ad1562d805..b382f8d67f 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -117,6 +117,11 @@
Improve Service connectors, Container children and Service executors
access sync using a ReentrantReadWriteLock. (remm)
</fix>
+ <fix>
+ Improve handling of integer overflow if an attempt is made to upload a
+ file via the Servlet API and the file is larger than
+ <code>Integer.MAX_VALUE</code>. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Coyote">
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