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<title>[201693] trunk/Source/WebCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/201693">201693</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2016-06-04 20:46:42 -0700 (Sat, 04 Jun 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Modern IDB: Crash seen in IDBConnectionProxy::putOrAdd on GuardMalloc bot
https://bugs.webkit.org/show_bug.cgi?id=158124
Reviewed by Darin Adler.
No new tests (Covered by existing test configurations).
* Modules/indexeddb/IDBTransaction.cpp:
(WebCore::IDBTransaction::putOrAddOnServer):
* Modules/indexeddb/client/IDBConnectionProxy.cpp:
(WebCore::IDBClient::IDBConnectionProxy::putOrAdd):
* Modules/indexeddb/client/IDBConnectionProxy.h:
(WebCore::IDBClient::IDBConnectionProxy::callConnectionOnMainThread):
* bindings/js/SerializedScriptValue.cpp:
(WebCore::SerializedScriptValue::writeBlobsToDiskForIndexedDB):
* bindings/js/SerializedScriptValue.h:
* platform/network/BlobRegistry.h:
* platform/network/BlobRegistryImpl.cpp:
(WebCore::BlobRegistryImpl::writeBlobsToTemporaryFiles):
* platform/network/BlobRegistryImpl.h:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesindexeddbIDBTransactioncpp">trunk/Source/WebCore/Modules/indexeddb/IDBTransaction.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesindexeddbclientIDBConnectionProxycpp">trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesindexeddbclientIDBConnectionProxyh">trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.h</a></li>
<li><a href="#trunkSourceWebCorebindingsjsSerializedScriptValuecpp">trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp</a></li>
<li><a href="#trunkSourceWebCorebindingsjsSerializedScriptValueh">trunk/Source/WebCore/bindings/js/SerializedScriptValue.h</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryh">trunk/Source/WebCore/platform/network/BlobRegistry.h</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryImplcpp">trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryImplh">trunk/Source/WebCore/platform/network/BlobRegistryImpl.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/ChangeLog 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -1,3 +1,30 @@
</span><ins>+2016-06-04 Brady Eidson <beidson@apple.com>
+
+ Modern IDB: Crash seen in IDBConnectionProxy::putOrAdd on GuardMalloc bot
+ https://bugs.webkit.org/show_bug.cgi?id=158124
+
+ Reviewed by Darin Adler.
+
+ No new tests (Covered by existing test configurations).
+
+ * Modules/indexeddb/IDBTransaction.cpp:
+ (WebCore::IDBTransaction::putOrAddOnServer):
+
+ * Modules/indexeddb/client/IDBConnectionProxy.cpp:
+ (WebCore::IDBClient::IDBConnectionProxy::putOrAdd):
+
+ * Modules/indexeddb/client/IDBConnectionProxy.h:
+ (WebCore::IDBClient::IDBConnectionProxy::callConnectionOnMainThread):
+
+ * bindings/js/SerializedScriptValue.cpp:
+ (WebCore::SerializedScriptValue::writeBlobsToDiskForIndexedDB):
+ * bindings/js/SerializedScriptValue.h:
+
+ * platform/network/BlobRegistry.h:
+ * platform/network/BlobRegistryImpl.cpp:
+ (WebCore::BlobRegistryImpl::writeBlobsToTemporaryFiles):
+ * platform/network/BlobRegistryImpl.h:
+
</ins><span class="cx"> 2016-06-03 Ada Chan <adachan@apple.com>
</span><span class="cx">
</span><span class="cx"> REGRESSION (r201474): Should set overflow: hidden on -webkit-media-controls when placeholder is showing
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesindexeddbIDBTransactioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/indexeddb/IDBTransaction.cpp (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/indexeddb/IDBTransaction.cpp 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/Modules/indexeddb/IDBTransaction.cpp 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -966,20 +966,18 @@
</span><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- RefPtr<IDBTransaction> protectedThis(this);
- RefPtr<IDBClient::TransactionOperation> protectedOperation(&operation);
- value->writeBlobsToDiskForIndexedDB([protectedThis = WTFMove(protectedThis), this, protectedOperation = WTFMove(protectedOperation), key = WTFMove(key), overwriteMode](const IDBValue& idbValue) mutable {
</del><ins>+ value->writeBlobsToDiskForIndexedDB([protectedThis = Ref<IDBTransaction>(*this), this, protectedOperation = Ref<IDBClient::TransactionOperation>(operation), keyData = IDBKeyData(key.get()).isolatedCopy(), overwriteMode](const IDBValue& idbValue) mutable {
</ins><span class="cx"> ASSERT(currentThread() == originThreadID());
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> if (idbValue.data().data()) {
</span><del>- m_database->connectionProxy().putOrAdd(*protectedOperation, key.get(), idbValue, overwriteMode);
</del><ins>+ m_database->connectionProxy().putOrAdd(protectedOperation.get(), WTFMove(keyData), idbValue, overwriteMode);
</ins><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // If the IDBValue doesn't have any data, then something went wrong writing the blobs to disk.
</span><span class="cx"> // In that case, we cannot successfully store this record, so we callback with an error.
</span><span class="cx"> auto result = IDBResultData::error(protectedOperation->identifier(), { IDBDatabaseException::UnknownError, ASCIILiteral("Error preparing Blob/File data to be stored in object store") });
</span><del>- callOnMainThread([protectedThis = WTFMove(protectedThis), protectedOperation = WTFMove(protectedOperation), result = WTFMove(result)]() {
</del><ins>+ callOnMainThread([protectedThis = WTFMove(protectedThis), protectedOperation = WTFMove(protectedOperation), result = WTFMove(result)]() mutable {
</ins><span class="cx"> protectedOperation->completed(result);
</span><span class="cx"> });
</span><span class="cx"> });
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesindexeddbclientIDBConnectionProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.cpp (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.cpp 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.cpp 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -156,12 +156,12 @@
</span><span class="cx"> callConnectionOnMainThread(&IDBConnectionToServer::deleteIndex, requestData, WTFMove(objectStoreIdentifier), indexName);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void IDBConnectionProxy::putOrAdd(TransactionOperation& operation, IDBKey* key, const IDBValue& value, const IndexedDB::ObjectStoreOverwriteMode mode)
</del><ins>+void IDBConnectionProxy::putOrAdd(TransactionOperation& operation, IDBKeyData&& keyData, const IDBValue& value, const IndexedDB::ObjectStoreOverwriteMode mode)
</ins><span class="cx"> {
</span><span class="cx"> const IDBRequestData requestData(operation);
</span><span class="cx"> saveOperation(operation);
</span><span class="cx">
</span><del>- callConnectionOnMainThread(&IDBConnectionToServer::putOrAdd, requestData, IDBKeyData(key), value, mode);
</del><ins>+ callConnectionOnMainThread(&IDBConnectionToServer::putOrAdd, requestData, keyData, value, mode);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void IDBConnectionProxy::getRecord(TransactionOperation& operation, const IDBKeyRangeData& keyRange)
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesindexeddbclientIDBConnectionProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.h (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.h 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/Modules/indexeddb/client/IDBConnectionProxy.h 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -70,7 +70,7 @@
</span><span class="cx"> void clearObjectStore(TransactionOperation&, uint64_t objectStoreIdentifier);
</span><span class="cx"> void createIndex(TransactionOperation&, const IDBIndexInfo&);
</span><span class="cx"> void deleteIndex(TransactionOperation&, uint64_t objectStoreIdentifier, const String& indexName);
</span><del>- void putOrAdd(TransactionOperation&, IDBKey*, const IDBValue&, const IndexedDB::ObjectStoreOverwriteMode);
</del><ins>+ void putOrAdd(TransactionOperation&, IDBKeyData&&, const IDBValue&, const IndexedDB::ObjectStoreOverwriteMode);
</ins><span class="cx"> void getRecord(TransactionOperation&, const IDBKeyRangeData&);
</span><span class="cx"> void getCount(TransactionOperation&, const IDBKeyRangeData&);
</span><span class="cx"> void deleteRecord(TransactionOperation&, const IDBKeyRangeData&);
</span><span class="lines">@@ -124,7 +124,7 @@
</span><span class="cx"> void callConnectionOnMainThread(void (IDBConnectionToServer::*method)(Parameters...), Arguments&&... arguments)
</span><span class="cx"> {
</span><span class="cx"> if (isMainThread())
</span><del>- (m_connectionToServer.*method)(arguments...);
</del><ins>+ (m_connectionToServer.*method)(std::forward<Arguments>(arguments)...);
</ins><span class="cx"> else
</span><span class="cx"> postMainThreadTask(m_connectionToServer, method, arguments...);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsSerializedScriptValuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -2796,7 +2796,7 @@
</span><span class="cx"> return result;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void SerializedScriptValue::writeBlobsToDiskForIndexedDB(std::function<void (const IDBValue&)> completionHandler)
</del><ins>+void SerializedScriptValue::writeBlobsToDiskForIndexedDB(NoncopyableFunction<void (const IDBValue&)>&& completionHandler)
</ins><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> ASSERT(hasBlobURLs());
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsSerializedScriptValueh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/SerializedScriptValue.h (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/SerializedScriptValue.h 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/bindings/js/SerializedScriptValue.h 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -31,6 +31,7 @@
</span><span class="cx"> #include <runtime/ArrayBuffer.h>
</span><span class="cx"> #include <runtime/JSCJSValue.h>
</span><span class="cx"> #include <wtf/Forward.h>
</span><ins>+#include <wtf/NoncopyableFunction.h>
</ins><span class="cx"> #include <wtf/RefCounted.h>
</span><span class="cx"> #include <wtf/text/WTFString.h>
</span><span class="cx">
</span><span class="lines">@@ -86,7 +87,7 @@
</span><span class="cx">
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE)
</span><span class="cx"> Vector<String> blobURLsIsolatedCopy() const;
</span><del>- void writeBlobsToDiskForIndexedDB(std::function<void (const IDBValue&)> completionHandler);
</del><ins>+ void writeBlobsToDiskForIndexedDB(NoncopyableFunction<void (const IDBValue&)>&& completionHandler);
</ins><span class="cx"> IDBValue writeBlobsToDiskForIndexedDBSynchronously();
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE)
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistry.h (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistry.h 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/platform/network/BlobRegistry.h 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -33,6 +33,7 @@
</span><span class="cx">
</span><span class="cx"> #include <functional>
</span><span class="cx"> #include <wtf/Forward.h>
</span><ins>+#include <wtf/NoncopyableFunction.h>
</ins><span class="cx"> #include <wtf/Vector.h>
</span><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="lines">@@ -67,7 +68,7 @@
</span><span class="cx">
</span><span class="cx"> virtual unsigned long long blobSize(const URL&) = 0;
</span><span class="cx">
</span><del>- virtual void writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, std::function<void (const Vector<String>& filePaths)> completionHandler) = 0;
</del><ins>+ virtual void writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, NoncopyableFunction<void (const Vector<String>& filePaths)>&& completionHandler) = 0;
</ins><span class="cx">
</span><span class="cx"> virtual bool isBlobRegistryImpl() const { return false; }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryImplcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -256,7 +256,7 @@
</span><span class="cx"> Vector<std::pair<String, ThreadSafeDataBuffer>> filePathsOrDataBuffers;
</span><span class="cx"> };
</span><span class="cx">
</span><del>-void BlobRegistryImpl::writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, std::function<void (const Vector<String>& filePaths)> completionHandler)
</del><ins>+void BlobRegistryImpl::writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, NoncopyableFunction<void (const Vector<String>& filePaths)>&& completionHandler)
</ins><span class="cx"> {
</span><span class="cx"> Vector<BlobForFileWriting> blobsForWriting;
</span><span class="cx"> for (auto& url : blobURLs) {
</span><span class="lines">@@ -287,47 +287,45 @@
</span><span class="cx"> blobUtilityQueue().dispatch([blobsForWriting = WTFMove(blobsForWriting), completionHandler = WTFMove(completionHandler)]() mutable {
</span><span class="cx"> Vector<String> filePaths;
</span><span class="cx">
</span><del>- ScopeGuard completionCaller([completionHandler]() mutable {
- callOnMainThread([completionHandler = WTFMove(completionHandler)]() {
- Vector<String> filePaths;
- completionHandler(filePaths);
- });
- });
</del><ins>+ auto performWriting = [blobsForWriting = WTFMove(blobsForWriting), &filePaths]() {
+ for (auto& blob : blobsForWriting) {
+ PlatformFileHandle file;
+ String tempFilePath = openTemporaryFile(ASCIILiteral("Blob"), file);
</ins><span class="cx">
</span><del>- for (auto& blob : blobsForWriting) {
- PlatformFileHandle file;
- String tempFilePath = openTemporaryFile(ASCIILiteral("Blob"), file);
</del><ins>+ ScopeGuard fileCloser([file]() mutable {
+ closeFile(file);
+ });
+
+ if (tempFilePath.isEmpty() || !isHandleValid(file)) {
+ LOG_ERROR("Failed to open temporary file for writing a Blob to IndexedDB");
+ return false;
+ }
</ins><span class="cx">
</span><del>- ScopeGuard fileCloser([file]() {
- PlatformFileHandle handle = file;
- closeFile(handle);
- });
-
- if (tempFilePath.isEmpty() || !isHandleValid(file)) {
- LOG_ERROR("Failed to open temporary file for writing a Blob to IndexedDB");
- return;
- }
-
- for (auto& part : blob.filePathsOrDataBuffers) {
- if (part.second.data()) {
- int length = part.second.data()->size();
- if (writeToFile(file, reinterpret_cast<const char*>(part.second.data()->data()), length) != length) {
- LOG_ERROR("Failed writing a Blob to temporary file for storage in IndexedDB");
- return;
</del><ins>+ for (auto& part : blob.filePathsOrDataBuffers) {
+ if (part.second.data()) {
+ int length = part.second.data()->size();
+ if (writeToFile(file, reinterpret_cast<const char*>(part.second.data()->data()), length) != length) {
+ LOG_ERROR("Failed writing a Blob to temporary file for storage in IndexedDB");
+ return false;
+ }
+ } else {
+ ASSERT(!part.first.isEmpty());
+ if (!appendFileContentsToFileHandle(part.first, file)) {
+ LOG_ERROR("Failed copying File contents to a Blob temporary file for storage in IndexedDB (%s to %s)", part.first.utf8().data(), tempFilePath.utf8().data());
+ return false;
+ }
</ins><span class="cx"> }
</span><del>- } else {
- ASSERT(!part.first.isEmpty());
- if (!appendFileContentsToFileHandle(part.first, file)) {
- LOG_ERROR("Failed copying File contents to a Blob temporary file for storage in IndexedDB (%s to %s)", part.first.utf8().data(), tempFilePath.utf8().data());
- return;
- }
</del><span class="cx"> }
</span><ins>+
+ filePaths.append(tempFilePath.isolatedCopy());
</ins><span class="cx"> }
</span><span class="cx">
</span><del>- filePaths.append(tempFilePath.isolatedCopy());
- }
</del><ins>+ return true;
+ };
</ins><span class="cx">
</span><del>- completionCaller.disable();
</del><ins>+ if (!performWriting())
+ filePaths.clear();
+
</ins><span class="cx"> callOnMainThread([completionHandler = WTFMove(completionHandler), filePaths = WTFMove(filePaths)]() {
</span><span class="cx"> completionHandler(filePaths);
</span><span class="cx"> });
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryImplh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistryImpl.h (201692 => 201693)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistryImpl.h 2016-06-05 00:59:40 UTC (rev 201692)
+++ trunk/Source/WebCore/platform/network/BlobRegistryImpl.h 2016-06-05 03:46:42 UTC (rev 201693)
</span><span class="lines">@@ -68,7 +68,7 @@
</span><span class="cx">
</span><span class="cx"> unsigned long long blobSize(const URL&) override;
</span><span class="cx">
</span><del>- void writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, std::function<void (const Vector<String>& filePaths)> completionHandler) override;
</del><ins>+ void writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, NoncopyableFunction<void (const Vector<String>& filePaths)>&& completionHandler) override;
</ins><span class="cx">
</span><span class="cx"> HashMap<String, RefPtr<BlobData>> m_blobs;
</span><span class="cx"> };
</span></span></pre>
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