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!50 I2AI89: add 8207160-ClassReader-adjustMethodParams-can-potentially-return-null-if-the-args-list-is-empty.patch

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From: @eapen
Reviewed-by: @jvmboy
Signed-off-by: @jvmboy
This commit is contained in:
openeuler-ci-bot 2020-12-23 14:02:24 +08:00 committed by Gitee
commit cd7a0e18c8
2 changed files with 174 additions and 1 deletions
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168
8207160-ClassReader-adjustMethodParams-can-potentially-return-null-if-the-args-list-is-empty.patch Executable file
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@ -0,0 +1,168 @@
diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java
index 5a1d3b900..ab327bf9a 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java
@@ -2471,6 +2471,9 @@ public class ClassReader {
}
private List<Type> adjustMethodParams(long flags, List<Type> args) {
+ if (args.isEmpty()) {
+ return args;
+ }
boolean isVarargs = (flags & VARARGS) != 0;
if (isVarargs) {
Type varargsElem = args.last();
diff --git a/test/langtools/tools/javac/AvoidNPEAtClassReader/AvoidNPEAtClassReaderTest.java b/test/langtools/tools/javac/AvoidNPEAtClassReader/AvoidNPEAtClassReaderTest.java
new file mode 100644
index 000000000..3b47d6944
--- /dev/null
+++ b/test/langtools/tools/javac/AvoidNPEAtClassReader/AvoidNPEAtClassReaderTest.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8207160
+ * @summary ClassReader::adjustMethodParams can potentially return null if the args list is empty
+ * @compile pkg/Outer.jasm pkg/Outer$Inner.jasm AvoidNPEAtClassReaderTest.java
+ */
+
+
+/** this test is checking that javac doesn't fail with NPE when reading inner classes with constructors
+ * that doesn't have as a parameter a reference to the outer class. Such constructors were generated by
+ * versions of javac previous to JDK7.
+ */
+
+import pkg.*;
+
+public class AvoidNPEAtClassReaderTest {
+ public void bar(Outer outer) {
+ Object stuff = outer.foo();
+ }
+}
diff --git a/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer$Inner.jasm b/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer$Inner.jasm
new file mode 100644
index 000000000..23fe2eb4b
--- /dev/null
+++ b/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer$Inner.jasm
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package pkg;
+
+super public final class Outer$Inner
+ version 55:0
+{
+
+final synthetic Field this$0:"Lpkg/Outer;";
+
+public Method "<init>":"()V"
+ stack 1 locals 1
+{
+ aload_0;
+ invokespecial Method java/lang/Object."<init>":"()V";
+ return;
+}
+
+public final InnerClass Inner=class Outer$Inner of class Outer;
+
+} // end Class Outer$Inner
diff --git a/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer.jasm b/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer.jasm
new file mode 100644
index 000000000..13baaf761
--- /dev/null
+++ b/test/langtools/tools/javac/AvoidNPEAtClassReader/pkg/Outer.jasm
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package pkg;
+
+super public class Outer
+ version 55:0
+{
+
+
+public Method "<init>":"()V"
+ stack 1 locals 1
+{
+ aload_0;
+ invokespecial Method java/lang/Object."<init>":"()V";
+ return;
+}
+
+public Method foo:"()Lpkg/Outer$Inner;"
+ stack 1 locals 1
+{
+ aconst_null;
+ areturn;
+}
+
+public final InnerClass Inner=class Outer$Inner of class Outer;
+
+} // end Class Outer
--
2.19.1

7
java-11-openjdk.spec
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@ -735,7 +735,7 @@ Provides: java-src%{?1} = %{epoch}:%{version}-%{release}
Name: java-%{javaver}-%{origin}
Version: %{newjavaver}.%{buildver}
Release: 5
Release: 6
# java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
# and this change was brought into RHEL-4. java-1.5.0-ibm packages
# also included the epoch in their virtual provides. This created a
@ -837,6 +837,7 @@ Patch50: 8248336-AArch64-C2-offset-overflow-in-BoxLockNode-em.patch
Patch51: 8255781-Bump-patch-update-version-for-OpenJDK-jdk-11.0.9.1.patch
Patch52: 8250861-Crash-in-MinINode-Ideal.patch
Patch53: 8236512-PKCS11-Connection-closed-after-Cipher-doFinal-and-NoPadding.patch
Patch54: 8207160-ClassReader-adjustMethodParams-can-potentially-return-null-if-the-args-list-is-empty.patch
BuildRequires: autoconf
BuildRequires: alsa-lib-devel
@ -1103,6 +1104,7 @@ pushd %{top_level_dir_name}
%patch51 -p1
%patch52 -p1
%patch53 -p1
%patch54 -p1
popd # openjdk
%patch1000
@ -1605,6 +1607,9 @@ require "copy_jdk_configs.lua"
%changelog
* Wed Dec 23 2020 eapen <zhangyipeng7@huawei.com> - 1:11.0.9.11-6
- add 8207160-ClassReader-adjustMethodParams-can-potentially-return-null-if-the-args-list-is-empty.patch
* Thu Dec 22 2020 aijm <aijiaming1@huawei.com> - 1:11.0.9.11-5
- add 8236512-PKCS11-Connection-closed-after-Cipher-doFinal-and-NoPadding.patch