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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
823 lines
31 KiB
C++
823 lines
31 KiB
C++
// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "include/v8-function.h"
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#include "include/v8-locker.h"
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#include "src/api/api-inl.h"
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#include "src/base/platform/platform.h"
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#include "src/execution/interrupts-scope.h"
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#include "src/execution/isolate.h"
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#include "src/init/v8.h"
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#include "src/objects/objects-inl.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gmock-support.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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base::Semaphore* semaphore = nullptr;
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class TerminatorThread : public base::Thread {
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public:
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explicit TerminatorThread(i::Isolate* isolate)
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: Thread(Options("TerminatorThread")),
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isolate_(reinterpret_cast<Isolate*>(isolate)) {}
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void Run() override {
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semaphore->Wait();
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CHECK(!isolate_->IsExecutionTerminating());
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isolate_->TerminateExecution();
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}
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private:
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Isolate* isolate_;
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};
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void Signal(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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semaphore->Signal();
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}
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MaybeLocal<Value> CompileRun(Local<Context> context, Local<String> source) {
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Local<Script> script = Script::Compile(context, source).ToLocalChecked();
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return script->Run(context);
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}
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MaybeLocal<Value> CompileRun(Local<Context> context, const char* source) {
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return CompileRun(
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context,
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String::NewFromUtf8(context->GetIsolate(), source).ToLocalChecked());
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}
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void DoLoop(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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TryCatch try_catch(info.GetIsolate());
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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MaybeLocal<Value> result = CompileRun(info.GetIsolate()->GetCurrentContext(),
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"function f() {"
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" var term = true;"
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" try {"
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" while(true) {"
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" if (term) terminate();"
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" term = false;"
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" }"
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" fail();"
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" } catch(e) {"
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" fail();"
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" }"
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"}"
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"f()");
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CHECK(result.IsEmpty());
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CHECK(try_catch.HasCaught());
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CHECK(try_catch.Exception()->IsNull());
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CHECK(try_catch.Message().IsEmpty());
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CHECK(!try_catch.CanContinue());
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CHECK(info.GetIsolate()->IsExecutionTerminating());
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}
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void Fail(const FunctionCallbackInfo<Value>& info) { UNREACHABLE(); }
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void Loop(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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MaybeLocal<Value> result =
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CompileRun(info.GetIsolate()->GetCurrentContext(),
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"try { doloop(); fail(); } catch(e) { fail(); }");
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CHECK(result.IsEmpty());
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CHECK(info.GetIsolate()->IsExecutionTerminating());
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}
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void TerminateCurrentThread(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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info.GetIsolate()->TerminateExecution();
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}
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class ThreadTerminationTest : public TestWithIsolate {
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public:
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void TestTerminatingFromOtherThread(const char* source) {
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semaphore = new base::Semaphore(0);
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TerminatorThread thread(i_isolate());
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CHECK(thread.Start());
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), Signal, DoLoop);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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MaybeLocal<Value> result = TryRunJS(source);
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CHECK(result.IsEmpty());
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thread.Join();
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delete semaphore;
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semaphore = nullptr;
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}
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void TestTerminatingFromCurrentThread(const char* source) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoop);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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MaybeLocal<Value> result = TryRunJS(source);
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CHECK(result.IsEmpty());
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}
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Local<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate,
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FunctionCallback terminate,
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FunctionCallback doloop) {
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Local<ObjectTemplate> global = ObjectTemplate::New(isolate);
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global->Set(NewString("terminate"),
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FunctionTemplate::New(isolate, terminate));
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global->Set(NewString("fail"), FunctionTemplate::New(isolate, Fail));
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global->Set(NewString("loop"), FunctionTemplate::New(isolate, Loop));
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global->Set(NewString("doloop"), FunctionTemplate::New(isolate, doloop));
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return global;
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}
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};
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void DoLoopNoCall(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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TryCatch try_catch(info.GetIsolate());
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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MaybeLocal<Value> result = CompileRun(info.GetIsolate()->GetCurrentContext(),
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"var term = true;"
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"while(true) {"
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" if (term) terminate();"
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" term = false;"
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"}");
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CHECK(result.IsEmpty());
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CHECK(try_catch.HasCaught());
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CHECK(try_catch.Exception()->IsNull());
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CHECK(try_catch.Message().IsEmpty());
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CHECK(!try_catch.CanContinue());
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CHECK(info.GetIsolate()->IsExecutionTerminating());
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}
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// Test that a single thread of JavaScript execution can terminate
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// itself.
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TEST_F(ThreadTerminationTest, TerminateOnlyV8ThreadFromThreadItself) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoop);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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// Run a loop that will be infinite if thread termination does not work.
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MaybeLocal<Value> result =
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TryRunJS("try { loop(); fail(); } catch(e) { fail(); }");
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CHECK(result.IsEmpty());
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// Test that we can run the code again after thread termination.
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CHECK(!isolate()->IsExecutionTerminating());
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result = TryRunJS("try { loop(); fail(); } catch(e) { fail(); }");
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CHECK(result.IsEmpty());
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}
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// Test that a single thread of JavaScript execution can terminate
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// itself in a loop that performs no calls.
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TEST_F(ThreadTerminationTest, TerminateOnlyV8ThreadFromThreadItselfNoLoop) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoopNoCall);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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// Run a loop that will be infinite if thread termination does not work.
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static const char* source = "try { loop(); fail(); } catch(e) { fail(); }";
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MaybeLocal<Value> result = TryRunJS(source);
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CHECK(result.IsEmpty());
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CHECK(!isolate()->IsExecutionTerminating());
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// Test that we can run the code again after thread termination.
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result = TryRunJS(source);
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CHECK(result.IsEmpty());
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}
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// Test that a single thread of JavaScript execution can be terminated
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// from the side by another thread.
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TEST_F(ThreadTerminationTest, TerminateOnlyV8ThreadFromOtherThread) {
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// Run a loop that will be infinite if thread termination does not work.
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TestTerminatingFromOtherThread(
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"try { loop(); fail(); } catch(e) { fail(); }");
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}
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// Test that execution can be terminated from within JSON.stringify.
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TEST_F(ThreadTerminationTest, TerminateJsonStringify) {
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TestTerminatingFromCurrentThread(
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"var x = [];"
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"x[2**31]=1;"
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"terminate();"
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"JSON.stringify(x);"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateBigIntMultiplication) {
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TestTerminatingFromCurrentThread(
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"terminate();"
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"var a = 5n ** 555555n;"
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"var b = 3n ** 3333333n;"
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"a * b;"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateOptimizedBigIntMultiplication) {
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i::v8_flags.allow_natives_syntax = true;
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TestTerminatingFromCurrentThread(
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"function foo(a, b) { return a * b; }"
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"%PrepareFunctionForOptimization(foo);"
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"foo(1n, 2n);"
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"foo(1n, 2n);"
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"%OptimizeFunctionOnNextCall(foo);"
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"foo(1n, 2n);"
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"var a = 5n ** 555555n;"
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"var b = 3n ** 3333333n;"
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"terminate();"
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"foo(a, b);"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateBigIntDivision) {
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TestTerminatingFromCurrentThread(
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"var a = 2n ** 2222222n;"
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"var b = 3n ** 333333n;"
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"terminate();"
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"a / b;"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateOptimizedBigIntDivision) {
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i::v8_flags.allow_natives_syntax = true;
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TestTerminatingFromCurrentThread(
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"function foo(a, b) { return a / b; }"
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"%PrepareFunctionForOptimization(foo);"
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"foo(3n, 2n);"
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"foo(3n, 2n);"
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"%OptimizeFunctionOnNextCall(foo);"
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"foo(3n, 2n);"
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"var a = 2n ** 2222222n;"
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"var b = 3n ** 333333n;"
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"terminate();"
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"foo(a, b);"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateBigIntToString) {
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TestTerminatingFromCurrentThread(
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"var a = 2n ** 2222222n;"
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"terminate();"
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"a.toString();"
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"fail();");
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}
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TEST_F(ThreadTerminationTest, TerminateBigIntFromString) {
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TestTerminatingFromCurrentThread(
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"var a = '12344567890'.repeat(100000);\n"
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"terminate();\n"
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"BigInt(a);\n"
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"fail();\n");
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}
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void LoopGetProperty(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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TryCatch try_catch(info.GetIsolate());
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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MaybeLocal<Value> result =
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CompileRun(info.GetIsolate()->GetCurrentContext(),
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"function f() {"
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" try {"
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" while(true) {"
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" terminate_or_return_object().x;"
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" }"
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" fail();"
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" } catch(e) {"
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" (function() {})();" // trigger stack check.
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" fail();"
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" }"
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"}"
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"f()");
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CHECK(result.IsEmpty());
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CHECK(try_catch.HasCaught());
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CHECK(try_catch.Exception()->IsNull());
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CHECK(try_catch.Message().IsEmpty());
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CHECK(!try_catch.CanContinue());
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CHECK(info.GetIsolate()->IsExecutionTerminating());
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}
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int call_count = 0;
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void TerminateOrReturnObject(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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if (++call_count == 10) {
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CHECK(!info.GetIsolate()->IsExecutionTerminating());
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info.GetIsolate()->TerminateExecution();
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return;
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}
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Local<Object> result = Object::New(info.GetIsolate());
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Local<Context> context = info.GetIsolate()->GetCurrentContext();
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Maybe<bool> val = result->Set(
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context, String::NewFromUtf8(context->GetIsolate(), "x").ToLocalChecked(),
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Integer::New(info.GetIsolate(), 42));
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CHECK(val.FromJust());
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info.GetReturnValue().Set(result);
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}
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// Test that we correctly handle termination exceptions if they are
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// triggered by the creation of error objects in connection with ICs.
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TEST_F(ThreadTerminationTest, TerminateLoadICException) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global = ObjectTemplate::New(isolate());
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global->Set(NewString("terminate_or_return_object"),
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FunctionTemplate::New(isolate(), TerminateOrReturnObject));
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global->Set(NewString("fail"), FunctionTemplate::New(isolate(), Fail));
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global->Set(NewString("loop"),
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FunctionTemplate::New(isolate(), LoopGetProperty));
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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// Run a loop that will be infinite if thread termination does not work.
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static const char* source = "try { loop(); fail(); } catch(e) { fail(); }";
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call_count = 0;
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MaybeLocal<Value> result = CompileRun(isolate()->GetCurrentContext(), source);
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CHECK(result.IsEmpty());
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// Test that we can run the code again after thread termination.
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CHECK(!isolate()->IsExecutionTerminating());
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call_count = 0;
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result = CompileRun(isolate()->GetCurrentContext(), source);
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CHECK(result.IsEmpty());
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}
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Persistent<String> reenter_script_1;
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Persistent<String> reenter_script_2;
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void DoLoopCancelTerminate(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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Isolate* isolate = info.GetIsolate();
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TryCatch try_catch(isolate);
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CHECK(!isolate->IsExecutionTerminating());
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MaybeLocal<Value> result = CompileRun(isolate->GetCurrentContext(),
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"var term = true;"
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"while(true) {"
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" if (term) terminate();"
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" term = false;"
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"}"
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"fail();");
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CHECK(result.IsEmpty());
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CHECK(try_catch.HasCaught());
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CHECK(try_catch.Exception()->IsNull());
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CHECK(try_catch.Message().IsEmpty());
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CHECK(!try_catch.CanContinue());
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CHECK(isolate->IsExecutionTerminating());
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CHECK(try_catch.HasTerminated());
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isolate->CancelTerminateExecution();
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CHECK(!isolate->IsExecutionTerminating());
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}
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// Test that a single thread of JavaScript execution can terminate
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// itself and then resume execution.
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TEST_F(ThreadTerminationTest, TerminateCancelTerminateFromThreadItself) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global = CreateGlobalTemplate(
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isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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CHECK(!isolate()->IsExecutionTerminating());
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// Check that execution completed with correct return value.
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Local<Value> result =
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CompileRun(isolate()->GetCurrentContext(),
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"try { doloop(); } catch(e) { fail(); } 'completed';")
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.ToLocalChecked();
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CHECK(result->Equals(isolate()->GetCurrentContext(), NewString("completed"))
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.FromJust());
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}
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void MicrotaskShouldNotRun(const FunctionCallbackInfo<Value>& info) {
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UNREACHABLE();
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}
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void MicrotaskLoopForever(const FunctionCallbackInfo<Value>& info) {
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CHECK(i::ValidateCallbackInfo(info));
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Isolate* isolate = info.GetIsolate();
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HandleScope scope(isolate);
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// Enqueue another should-not-run task to ensure we clean out the queue
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// when we terminate.
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isolate->EnqueueMicrotask(
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Function::New(isolate->GetCurrentContext(), MicrotaskShouldNotRun)
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.ToLocalChecked());
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CompileRun(isolate->GetCurrentContext(), "terminate(); while (true) { }");
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CHECK(isolate->IsExecutionTerminating());
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}
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TEST_F(ThreadTerminationTest, TerminateFromOtherThreadWhileMicrotaskRunning) {
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semaphore = new base::Semaphore(0);
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TerminatorThread thread(i_isolate());
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CHECK(thread.Start());
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isolate()->SetMicrotasksPolicy(MicrotasksPolicy::kExplicit);
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), Signal, DoLoop);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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isolate()->EnqueueMicrotask(
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Function::New(isolate()->GetCurrentContext(), MicrotaskLoopForever)
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.ToLocalChecked());
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// The second task should never be run because we bail out if we're
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// terminating.
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isolate()->EnqueueMicrotask(
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Function::New(isolate()->GetCurrentContext(), MicrotaskShouldNotRun)
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.ToLocalChecked());
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isolate()->PerformMicrotaskCheckpoint();
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isolate()->CancelTerminateExecution();
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// Should not run MicrotaskShouldNotRun.
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isolate()->PerformMicrotaskCheckpoint();
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thread.Join();
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delete semaphore;
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semaphore = nullptr;
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}
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static int callback_counter = 0;
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static void CounterCallback(Isolate* isolate, void* data) {
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callback_counter++;
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}
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TEST_F(ThreadTerminationTest, PostponeTerminateException) {
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HandleScope scope(isolate());
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Local<ObjectTemplate> global =
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CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoop);
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Local<Context> context = Context::New(isolate(), nullptr, global);
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Context::Scope context_scope(context);
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TryCatch try_catch(isolate());
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static const char* terminate_and_loop =
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|
"terminate(); for (var i = 0; i < 10000; i++);";
|
|
|
|
{ // Postpone terminate execution interrupts.
|
|
i::PostponeInterruptsScope p1(i_isolate(),
|
|
i::StackGuard::TERMINATE_EXECUTION);
|
|
|
|
// API interrupts should still be triggered.
|
|
isolate()->RequestInterrupt(&CounterCallback, nullptr);
|
|
CHECK_EQ(0, callback_counter);
|
|
RunJS(terminate_and_loop);
|
|
CHECK(!try_catch.HasTerminated());
|
|
CHECK_EQ(1, callback_counter);
|
|
|
|
{ // Postpone API interrupts as well.
|
|
i::PostponeInterruptsScope p2(i_isolate(), i::StackGuard::API_INTERRUPT);
|
|
|
|
// None of the two interrupts should trigger.
|
|
isolate()->RequestInterrupt(&CounterCallback, nullptr);
|
|
RunJS(terminate_and_loop);
|
|
CHECK(!try_catch.HasTerminated());
|
|
CHECK_EQ(1, callback_counter);
|
|
}
|
|
|
|
// Now the previously requested API interrupt should trigger.
|
|
RunJS(terminate_and_loop);
|
|
CHECK(!try_catch.HasTerminated());
|
|
CHECK_EQ(2, callback_counter);
|
|
}
|
|
|
|
// Now the previously requested terminate execution interrupt should trigger.
|
|
TryRunJS("for (var i = 0; i < 10000; i++);");
|
|
CHECK(try_catch.HasTerminated());
|
|
CHECK_EQ(2, callback_counter);
|
|
}
|
|
|
|
static void AssertFinishedCodeRun(Isolate* isolate) {
|
|
TryCatch try_catch(isolate);
|
|
CompileRun(isolate->GetCurrentContext(), "for (var i = 0; i < 10000; i++);");
|
|
CHECK(!try_catch.HasTerminated());
|
|
}
|
|
|
|
void RequestTermianteAndCallAPI(const FunctionCallbackInfo<Value>& info) {
|
|
CHECK(i::ValidateCallbackInfo(info));
|
|
info.GetIsolate()->TerminateExecution();
|
|
AssertFinishedCodeRun(info.GetIsolate());
|
|
}
|
|
|
|
TEST_F(ThreadTerminationTest, ErrorObjectAfterTermination) {
|
|
HandleScope scope(isolate());
|
|
Local<Context> context = Context::New(isolate());
|
|
Context::Scope context_scope(context);
|
|
isolate()->TerminateExecution();
|
|
Local<Value> error = Exception::Error(NewString("error"));
|
|
CHECK(error->IsNativeError());
|
|
}
|
|
|
|
void InnerTryCallTerminate(const FunctionCallbackInfo<Value>& info) {
|
|
CHECK(i::ValidateCallbackInfo(info));
|
|
CHECK(!info.GetIsolate()->IsExecutionTerminating());
|
|
Isolate* isolate = info.GetIsolate();
|
|
Local<Object> global = isolate->GetCurrentContext()->Global();
|
|
Local<Function> loop = Local<Function>::Cast(
|
|
global
|
|
->Get(isolate->GetCurrentContext(),
|
|
String::NewFromUtf8(isolate, "loop").ToLocalChecked())
|
|
.ToLocalChecked());
|
|
i::MaybeHandle<i::Object> exception;
|
|
i::MaybeHandle<i::Object> result = i::Execution::TryCall(
|
|
reinterpret_cast<i::Isolate*>(isolate), Utils::OpenHandle((*loop)),
|
|
Utils::OpenHandle((*global)), 0, nullptr,
|
|
i::Execution::MessageHandling::kReport, &exception);
|
|
CHECK(result.is_null());
|
|
CHECK(exception.is_null());
|
|
// TryCall reschedules the termination exception.
|
|
CHECK(info.GetIsolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
TEST_F(ThreadTerminationTest, TerminationInInnerTryCall) {
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global_template =
|
|
CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoopNoCall);
|
|
global_template->Set(NewString("inner_try_call_terminate"),
|
|
FunctionTemplate::New(isolate(), InnerTryCallTerminate));
|
|
Local<Context> context = Context::New(isolate(), nullptr, global_template);
|
|
Context::Scope context_scope(context);
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
TryRunJS("inner_try_call_terminate()");
|
|
CHECK(try_catch.HasTerminated());
|
|
// Any further exectutions in this TryCatch scope would fail.
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
// Leaving the TryCatch cleared the termination exception.
|
|
Maybe<int32_t> result =
|
|
RunJS("2 + 2")->Int32Value(isolate()->GetCurrentContext());
|
|
CHECK_EQ(4, result.FromJust());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
TEST_F(ThreadTerminationTest, TerminateAndTryCall) {
|
|
i::v8_flags.allow_natives_syntax = true;
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global = CreateGlobalTemplate(
|
|
isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
|
|
Local<Context> context = Context::New(isolate(), nullptr, global);
|
|
Context::Scope context_scope(context);
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
// Terminate execution has been triggered inside TryCall, but re-requested
|
|
// to trigger later.
|
|
CHECK(TryRunJS("terminate(); reference_error();").IsEmpty());
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
Local<Value> value =
|
|
context->Global()
|
|
->Get(isolate()->GetCurrentContext(), NewString("terminate"))
|
|
.ToLocalChecked();
|
|
CHECK(value->IsFunction());
|
|
// Any further executions in this TryCatch scope fail.
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
CHECK(TryRunJS("1 + 1").IsEmpty());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
// Leaving the TryCatch cleared the termination exception.
|
|
Maybe<int32_t> result =
|
|
RunJS("2 + 2")->Int32Value(isolate()->GetCurrentContext());
|
|
CHECK_EQ(4, result.FromJust());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
class ConsoleImpl : public debug::ConsoleDelegate {
|
|
private:
|
|
void Log(const debug::ConsoleCallArguments& info,
|
|
const debug::ConsoleContext&) override {
|
|
CompileRun(Isolate::GetCurrent()->GetCurrentContext(), "1 + 1");
|
|
}
|
|
};
|
|
|
|
TEST_F(ThreadTerminationTest, TerminateConsole) {
|
|
i::v8_flags.allow_natives_syntax = true;
|
|
ConsoleImpl console;
|
|
debug::SetConsoleDelegate(isolate(), &console);
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global = CreateGlobalTemplate(
|
|
isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
|
|
Local<Context> context = Context::New(isolate(), nullptr, global);
|
|
Context::Scope context_scope(context);
|
|
{
|
|
// setup console global.
|
|
HandleScope scope(isolate());
|
|
Local<String> name = String::NewFromUtf8Literal(
|
|
isolate(), "console", NewStringType::kInternalized);
|
|
Local<Value> console =
|
|
context->GetExtrasBindingObject()->Get(context, name).ToLocalChecked();
|
|
context->Global()->Set(context, name, console).FromJust();
|
|
}
|
|
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
TryCatch try_catch(isolate());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
CHECK(TryRunJS("terminate(); console.log(); fail();").IsEmpty());
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
TEST_F(ThreadTerminationTest, TerminationClearArrayJoinStack) {
|
|
internal::v8_flags.allow_natives_syntax = true;
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global_template =
|
|
CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoopNoCall);
|
|
{
|
|
Local<Context> context = Context::New(isolate(), nullptr, global_template);
|
|
Context::Scope context_scope(context);
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
TryRunJS(
|
|
"var error = false;"
|
|
"var a = [{toString(){if(error)loop()}}];"
|
|
"function Join(){ return a.join();}; "
|
|
"%PrepareFunctionForOptimization(Join);"
|
|
"Join();"
|
|
"%OptimizeFunctionOnNextCall(Join);"
|
|
"error = true;"
|
|
"Join();");
|
|
CHECK(try_catch.HasTerminated());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
|
|
}
|
|
{
|
|
Local<Context> context = Context::New(isolate(), nullptr, global_template);
|
|
Context::Scope context_scope(context);
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
TryRunJS(
|
|
"var a = [{toString(){loop()}}];"
|
|
"function Join(){ return a.join();}; "
|
|
"Join();");
|
|
CHECK(try_catch.HasTerminated());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
|
|
}
|
|
{
|
|
ConsoleImpl console;
|
|
debug::SetConsoleDelegate(isolate(), &console);
|
|
HandleScope scope(isolate());
|
|
Local<Context> context = Context::New(isolate(), nullptr, global_template);
|
|
Context::Scope context_scope(context);
|
|
{
|
|
// setup console global.
|
|
HandleScope scope(isolate());
|
|
Local<String> name = String::NewFromUtf8Literal(
|
|
isolate(), "console", NewStringType::kInternalized);
|
|
Local<Value> console = context->GetExtrasBindingObject()
|
|
->Get(context, name)
|
|
.ToLocalChecked();
|
|
context->Global()->Set(context, name, console).FromJust();
|
|
}
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
CHECK(TryRunJS("var a = [{toString(){terminate();console.log();fail()}}];"
|
|
"function Join() {return a.join();}"
|
|
"Join();")
|
|
.IsEmpty());
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
|
|
}
|
|
}
|
|
|
|
class TerminatorSleeperThread : public base::Thread {
|
|
public:
|
|
explicit TerminatorSleeperThread(Isolate* isolate, int sleep_ms)
|
|
: Thread(Options("TerminatorSlepperThread")),
|
|
isolate_(isolate),
|
|
sleep_ms_(sleep_ms) {}
|
|
void Run() override {
|
|
base::OS::Sleep(base::TimeDelta::FromMilliseconds(sleep_ms_));
|
|
isolate_->TerminateExecution();
|
|
}
|
|
|
|
private:
|
|
Isolate* isolate_;
|
|
int sleep_ms_;
|
|
};
|
|
|
|
TEST_F(ThreadTerminationTest, TerminateRegExp) {
|
|
i::v8_flags.allow_natives_syntax = true;
|
|
// We want to be stuck regexp execution, so no fallback to linear-time
|
|
// engine.
|
|
// TODO(mbid,v8:10765): Find a way to test interrupt support of the
|
|
// experimental engine.
|
|
i::v8_flags.enable_experimental_regexp_engine_on_excessive_backtracks = false;
|
|
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global = CreateGlobalTemplate(
|
|
isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
|
|
Local<Context> context = Context::New(isolate(), nullptr, global);
|
|
Context::Scope context_scope(context);
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
TryCatch try_catch(isolate());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
CHECK(!RunJS("var re = /(x+)+y$/; re.test('x');").IsEmpty());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
TerminatorSleeperThread terminator(isolate(), 100);
|
|
CHECK(terminator.Start());
|
|
CHECK(TryRunJS("re.test('xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'); fail();")
|
|
.IsEmpty());
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
TEST_F(ThreadTerminationTest, TerminateInMicrotask) {
|
|
Locker locker(isolate());
|
|
isolate()->SetMicrotasksPolicy(MicrotasksPolicy::kExplicit);
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global = CreateGlobalTemplate(
|
|
isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
|
|
Local<Context> context1 = Context::New(isolate(), nullptr, global);
|
|
Local<Context> context2 = Context::New(isolate(), nullptr, global);
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
{
|
|
Context::Scope context_scope(context1);
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
CHECK(!RunJS("Promise.resolve().then(function() {"
|
|
"terminate(); loop(); fail();})")
|
|
.IsEmpty());
|
|
CHECK(!try_catch.HasCaught());
|
|
}
|
|
{
|
|
Context::Scope context_scope(context2);
|
|
CHECK(context2 == isolate()->GetCurrentContext());
|
|
CHECK(context2 == isolate()->GetEnteredOrMicrotaskContext());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
isolate()->PerformMicrotaskCheckpoint();
|
|
CHECK(context2 == isolate()->GetCurrentContext());
|
|
CHECK(context2 == isolate()->GetEnteredOrMicrotaskContext());
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(try_catch.HasTerminated());
|
|
// Any further exectutions in this TryCatch scope would fail.
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
CHECK(!i_isolate()->stack_guard()->CheckTerminateExecution());
|
|
}
|
|
}
|
|
CHECK(!i_isolate()->stack_guard()->CheckTerminateExecution());
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
void TerminationMicrotask(void* data) {
|
|
Isolate::GetCurrent()->TerminateExecution();
|
|
CompileRun(Isolate::GetCurrent()->GetCurrentContext(), "");
|
|
}
|
|
|
|
void UnreachableMicrotask(void* data) { UNREACHABLE(); }
|
|
|
|
TEST_F(ThreadTerminationTest, TerminateInApiMicrotask) {
|
|
Locker locker(isolate());
|
|
isolate()->SetMicrotasksPolicy(MicrotasksPolicy::kExplicit);
|
|
HandleScope scope(isolate());
|
|
Local<ObjectTemplate> global = CreateGlobalTemplate(
|
|
isolate(), TerminateCurrentThread, DoLoopCancelTerminate);
|
|
Local<Context> context = Context::New(isolate(), nullptr, global);
|
|
{
|
|
TryCatch try_catch(isolate());
|
|
Context::Scope context_scope(context);
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
isolate()->EnqueueMicrotask(TerminationMicrotask);
|
|
isolate()->EnqueueMicrotask(UnreachableMicrotask);
|
|
isolate()->PerformMicrotaskCheckpoint();
|
|
CHECK(try_catch.HasCaught());
|
|
CHECK(try_catch.HasTerminated());
|
|
CHECK(isolate()->IsExecutionTerminating());
|
|
}
|
|
CHECK(!isolate()->IsExecutionTerminating());
|
|
}
|
|
|
|
} // namespace v8
|