Upload Kmake

deps/v8/test/mjsunit/regress/wasm/regress-332939161.js

@@ -0,0 +1,45 @@
+// Copyright 2024 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --wasm-memory64-trap-handling
+
+d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
+
+(function testMemory64TrapHandling() {
+    const builder = new WasmModuleBuilder();
+    let memory = builder.addMemory64(1, 1);
+
+    builder.addFunction('load64', kSig_i_l).addBody([
+      kExprLocalGet, 0,
+      kExprI32LoadMem, 0x40, memory, 0
+    ]).exportFunc();
+
+    builder.addFunction('store64', kSig_v_li).addBody([
+      kExprLocalGet, 0,
+      kExprLocalGet, 1,
+      kExprI32StoreMem, 0x40, memory, 0
+    ]).exportFunc();
+
+    const instance = builder.instantiate();
+    const {load64, store64} = instance.exports;
+    let memory_size = 65536n;
+    const partial_oob = memory_size - 2n;
+    const oob = 1n << 18n;
+    const huge_address = 1n << 50n;
+    let value1 = 0x42424242;
+    let value2 = 0xDEADBEEF;
+
+    store64(0n, value1);
+    store64(memory_size - 4n, value1);
+    assertTraps(kTrapMemOutOfBounds, () => store64(partial_oob, value2));
+    assertTraps(kTrapMemOutOfBounds, () => store64(oob, value2));
+    assertTraps(kTrapMemOutOfBounds, () => store64(huge_address, value2));
+
+    assertEquals(value1, load64(0n));
+    // The partial oob write did not change the memory.
+    assertEquals(value1, load64(memory_size - 4n));
+    assertTraps(kTrapMemOutOfBounds, () => load64(partial_oob));
+    assertTraps(kTrapMemOutOfBounds, () => load64(oob));
+    assertTraps(kTrapMemOutOfBounds, () => load64(huge_address));
+})();