Verifier: check an aput, even if we know it will fail.
bug:21867457
(cherry picked from commit 66389fbeb41c981648bb2e1e7e2f43089f095591)
Change-Id: Id01edeb871f6bc59518eb341e5b76f021cfdfe06
diff --git a/runtime/verifier/method_verifier.cc b/runtime/verifier/method_verifier.cc
index b1f958d..bd78006 100644
--- a/runtime/verifier/method_verifier.cc
+++ b/runtime/verifier/method_verifier.cc
@@ -3789,8 +3789,9 @@
} else {
const RegType& array_type = work_line_->GetRegisterType(this, inst->VRegB_23x());
if (array_type.IsZero()) {
- // Null array type; this code path will fail at runtime. Infer a merge-able type from the
- // instruction type.
+ // Null array type; this code path will fail at runtime.
+ // Still check that the given value matches the instruction's type.
+ work_line_->VerifyRegisterType(this, inst->VRegA_23x(), insn_type);
} else if (!array_type.IsArrayTypes()) {
Fail(VERIFY_ERROR_BAD_CLASS_HARD) << "not array type " << array_type << " with aput";
} else {
diff --git a/test/506-verify-aput/expected.txt b/test/506-verify-aput/expected.txt
new file mode 100644
index 0000000..ccaf6f8
--- /dev/null
+++ b/test/506-verify-aput/expected.txt
@@ -0,0 +1 @@
+Enter
diff --git a/test/506-verify-aput/info.txt b/test/506-verify-aput/info.txt
new file mode 100644
index 0000000..461d9d3
--- /dev/null
+++ b/test/506-verify-aput/info.txt
@@ -0,0 +1,2 @@
+Test that an aput on a null array is properly checked
+by the verifier.
diff --git a/test/506-verify-aput/smali/VerifyAPut1.smali b/test/506-verify-aput/smali/VerifyAPut1.smali
new file mode 100644
index 0000000..d50636f
--- /dev/null
+++ b/test/506-verify-aput/smali/VerifyAPut1.smali
@@ -0,0 +1,26 @@
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.class public LVerifyAPut1;
+
+.super Ljava/lang/Object;
+
+.method public static method()V
+ .registers 3
+ const/4 v0, 0
+ const/4 v1, 1
+ const/4 v2, 2
+ aput-object v2, v0, v1
+ return-void
+.end method
diff --git a/test/506-verify-aput/smali/VerifyAPut2.smali b/test/506-verify-aput/smali/VerifyAPut2.smali
new file mode 100644
index 0000000..2eceebb
--- /dev/null
+++ b/test/506-verify-aput/smali/VerifyAPut2.smali
@@ -0,0 +1,25 @@
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.class public LVerifyAPut2;
+
+.super Ljava/lang/Object;
+
+.method public static method(LMain;)V
+ .registers 3
+ const/4 v0, 0
+ const/4 v1, 1
+ aput p0, v0, v1
+ return-void
+.end method
diff --git a/test/506-verify-aput/src/Main.java b/test/506-verify-aput/src/Main.java
new file mode 100644
index 0000000..8359f2c
--- /dev/null
+++ b/test/506-verify-aput/src/Main.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.Method;
+
+public class Main {
+ public static void main(String[] args) throws Exception {
+ // Workaround for b/18051191.
+ System.out.println("Enter");
+ try {
+ Class.forName("VerifyAPut1");
+ throw new Error("expected verification error");
+ } catch (VerifyError e) { /* ignore */ }
+
+ try {
+ Class.forName("VerifyAPut2");
+ throw new Error("expected verification error");
+ } catch (VerifyError e) { /* ignore */ }
+ }
+}
