mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 17:51:35 +00:00
9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
101 lines
3.0 KiB
JavaScript
101 lines
3.0 KiB
JavaScript
// 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: --allow-natives-syntax --sandbox-testing --turboshaft-wasm
|
|
|
|
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
|
|
|
|
const builder = new WasmModuleBuilder();
|
|
builder.exportMemoryAs("mem0", 0);
|
|
let $mem0 = builder.addMemory(1, 1);
|
|
|
|
let $box = builder.addStruct([makeField(kWasmFuncRef, true)]);
|
|
let $struct = builder.addStruct([makeField(kWasmI32, true)]);
|
|
|
|
let $sig_i_l = builder.addType(kSig_i_l);
|
|
|
|
let $f0 = builder.addFunction("func0", makeSig([wasmRefType($struct)], []))
|
|
.exportFunc()
|
|
.addBody([
|
|
kExprLocalGet, 0,
|
|
kExprI32Const, 42,
|
|
kGCPrefix, kExprStructSet, $struct, 0,
|
|
]);
|
|
|
|
let $f1 = builder.addFunction("func1", $sig_i_l).exportFunc().addBody([
|
|
kExprI32Const, 0,
|
|
]);
|
|
|
|
builder.addFunction("get_func0", kSig_r_v).exportFunc().addBody([
|
|
kExprRefFunc, $f0.index,
|
|
kGCPrefix, kExprStructNew, $box,
|
|
kGCPrefix, kExprExternConvertAny,
|
|
]);
|
|
builder.addFunction("get_func1", kSig_r_v).exportFunc().addBody([
|
|
kExprRefFunc, $f1.index,
|
|
kGCPrefix, kExprStructNew, $box,
|
|
kGCPrefix, kExprExternConvertAny,
|
|
]);
|
|
builder.addFunction("boom", makeSig([kWasmFuncRef, kWasmI64], [kWasmI32]))
|
|
.exportFunc()
|
|
.addBody([
|
|
kExprLocalGet, 1,
|
|
kExprLocalGet, 0,
|
|
kGCPrefix, kExprRefCast, $sig_i_l,
|
|
kExprCallRef, $sig_i_l,
|
|
])
|
|
|
|
let instance = builder.instantiate();
|
|
|
|
let func0 = instance.exports.func0;
|
|
let func1 = instance.exports.func1;
|
|
let boom = instance.exports.boom;
|
|
|
|
// Collect type feedback.
|
|
for (let i = 0; i < 10; i++) {
|
|
instance.exports.boom(func1, 0n);
|
|
}
|
|
|
|
// Prepare corruption utilities.
|
|
const kHeapObjectTag = 1;
|
|
const kMapOffset = 0;
|
|
const kStructField0Offset = 8; // 0:map, 4:hash
|
|
const kWasmInternalFunctionOffset = 4;
|
|
|
|
let memory = new DataView(new Sandbox.MemoryView(0, 0x100000000));
|
|
|
|
function getPtr(obj) {
|
|
return Sandbox.getAddressOf(obj) + kHeapObjectTag;
|
|
}
|
|
function getField(obj, offset) {
|
|
return memory.getUint32(obj + offset - kHeapObjectTag, true);
|
|
}
|
|
function setField(obj, offset, value) {
|
|
memory.setUint32(obj + offset - kHeapObjectTag, value, true);
|
|
}
|
|
|
|
// Corrupt $f1: if it has the wrong WasmInternalFunction when we process
|
|
// feedback, we'll inline the wrong target.
|
|
let f0_box = getPtr(instance.exports.get_func0());
|
|
let f0 = getField(f0_box, kStructField0Offset);
|
|
let f0_int = getField(f0, kWasmInternalFunctionOffset);
|
|
|
|
let f1_box = getPtr(instance.exports.get_func1());
|
|
let f1 = getField(f1_box, kStructField0Offset);
|
|
|
|
setField(f1, kWasmInternalFunctionOffset, f0_int);
|
|
|
|
// Also corrupt $f0 to make it past the type check.
|
|
let f1_map = getField(f1, kMapOffset);
|
|
setField(f0, kMapOffset, f1_map);
|
|
|
|
// Trigger optimization. This would inline the wrong target; the signature
|
|
// check should kill the process instead.
|
|
%WasmTierUpFunction(instance.exports.boom);
|
|
|
|
// If the process was still alive, this would cause the sandbox violation.
|
|
instance.exports.boom(func0, BigInt(Sandbox.targetPage));
|
|
|
|
assertUnreachable("Process should have been killed.");
|