diff --git a/ant.spec b/ant.spec
index e5340c882f319154e79017e2db2edfbc0b1eba38..4c09028a3def387b2d0af3629b3a5628f1890ad8 100644
--- a/ant.spec
+++ b/ant.spec
@@ -4,7 +4,7 @@
 Name:           ant
 Summary:        A Java-based build tool
 Version:        1.10.12
-Release:        1
+Release:        2
 Epoch:          0
 License:        ASL 2.0
 URL:            https://ant.apache.org/
@@ -12,6 +12,8 @@ Source0:        https://archive.apache.org/dist/ant/source/apache-ant-%{version}
 Source1:        ant.asciidoc
 Source2:        apache-ant-1.8.ant.conf
 
+Patch0001:      backport-Fix-integer-overflow-when-parsing-SOURCE_DATE_EPOCH.patch
+
 BuildRequires:  javapackages-local java-1.8.0-devel ant >= 1.10.2
 BuildRequires:  ant-junit xmlto mvn(antlr:antlr) mvn(bcel:bcel)
 BuildRequires:  mvn(bsf:bsf) mvn(com.jcraft:jsch) mvn(commons-logging:commons-logging-api)
@@ -431,6 +433,9 @@ LC_ALL=en_US.utf8 %{ant} test
 %{_javadocdir}/%{name}
 
 %changelog
+* Mon Dec 02 2024 zhaosaisai <zhaosaisai@kylinos.cn> - 0:1.10.12-2
+- Add Fix-integer-overflow-when-parsing-SOURCE_DATE_EPOCH
+
 * Fri Jan 21 2022 SimpleUpdate Robot <tc@openeuler.org> - 1.10.12-1
 - Upgrade to version 1.10.12
 
diff --git a/backport-Fix-integer-overflow-when-parsing-SOURCE_DATE_EPOCH.patch b/backport-Fix-integer-overflow-when-parsing-SOURCE_DATE_EPOCH.patch
new file mode 100644
index 0000000000000000000000000000000000000000..3a6e091a48d78063332ecb2357ed3dae302762c3
--- /dev/null
+++ b/backport-Fix-integer-overflow-when-parsing-SOURCE_DATE_EPOCH.patch
@@ -0,0 +1,82 @@
+From babd1c4007b5d1afc9e4e0744455fbdd6b85e88d Mon Sep 17 00:00:00 2001
+From: Mikolaj Izdebski <mizdebsk@redhat.com>
+Date: Sat, 23 Apr 2022 00:12:11 +0200
+Subject: [PATCH] Fix integer overflow when parsing SOURCE_DATE_EPOCH
+
+This closes #186 pull request at github/apache/ant repo.
+---
+ CONTRIBUTORS                                  |  1 +
+ WHATSNEW                                      |  4 +++
+ contributors.xml                              |  4 +++
+ .../org/apache/tools/ant/taskdefs/Tstamp.java |  2 +-
+ src/tests/antunit/taskdefs/tstamp-test.xml    | 31 +++++++++++++++++++
+ 5 files changed, 41 insertions(+), 1 deletion(-)
+
+diff --git a/contributors.xml b/contributors.xml
+index f0f5197c7f..ddc55ecc8b 100644
+--- a/contributors.xml
++++ b/contributors.xml
+@@ -1280,6 +1280,10 @@
+     <first>Mike</first>
+     <last>Williams</last>
+   </name>
++  <name>
++    <first>Mikolaj</first>
++    <last>Izdebski</last>
++  </name>
+   <name>
+     <first>Miroslav</first>
+     <last>Zaťko</last>
+diff --git a/src/main/org/apache/tools/ant/taskdefs/Tstamp.java b/src/main/org/apache/tools/ant/taskdefs/Tstamp.java
+index aa1034eaef..ca10efe000 100644
+--- a/src/main/org/apache/tools/ant/taskdefs/Tstamp.java
++++ b/src/main/org/apache/tools/ant/taskdefs/Tstamp.java
+@@ -82,7 +82,7 @@ public void execute() throws BuildException {
+             try {
+                 if (epoch != null) {
+                     // Value of SOURCE_DATE_EPOCH will be an integer, representing seconds.
+-                    d = new Date(Integer.parseInt(epoch) * 1000);
++                    d = new Date(Long.parseLong(epoch) * 1000L);
+                     log("Honouring environment variable " + ENV_SOURCE_DATE_EPOCH + " which has been set to " + epoch);
+                 }
+             } catch(NumberFormatException e) {
+diff --git a/src/tests/antunit/taskdefs/tstamp-test.xml b/src/tests/antunit/taskdefs/tstamp-test.xml
+index 20c3227621..1553d32ee8 100644
+--- a/src/tests/antunit/taskdefs/tstamp-test.xml
++++ b/src/tests/antunit/taskdefs/tstamp-test.xml
+@@ -75,4 +75,35 @@ public class IsEpochIn1969Here implements Condition {
+     <!-- 'iso' overrides 'simple' -->
+     <au:assertPropertyEquals name="DSTAMP" value="19720417"/>
+   </target>
++
++  <target name="testSourceDateEpoch">
++    <mkdir dir="${input}"/>
++    <mkdir dir="${output}"/>
++    <echo file="${input}/TstampAntunitTest.java"><![CDATA[
++      import org.apache.tools.ant.*;
++      import org.apache.tools.ant.taskdefs.*;
++      public class TstampAntunitTest {
++        public static void main(String[] args) {
++          Task task = new Tstamp();
++          task.setProject(new Project());
++          task.execute();
++          String today = task.getProject().getProperty("TODAY");
++          System.out.println("TODAY is " + today);
++        }
++      }
++    ]]></echo>
++    <javac srcdir="${input}" destdir="${output}"/>
++    <local name="testout"/>
++    <java classname="TstampAntunitTest"
++          failonerror="true"
++          outputproperty="testout"
++          fork="true">
++      <classpath>
++        <pathelement location="${output}"/>
++        <pathelement path="${java.class.path}"/>
++      </classpath>
++      <env key="SOURCE_DATE_EPOCH" value="1650585600"/>
++    </java>
++    <au:assertEquals expected="TODAY is April 22 2022" actual="${testout}"/>
++  </target>
+ </project>