Bug 187819

Summary: Crash under WebCore::DocumentWriter::addData()
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: Page LoadingAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: beidson, commit-queue, dbates, ews-watchlist, japhet, koivisto, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch none

Description Chris Dumez 2018-07-19 14:27:11 PDT 
Crash under WebCore::DocumentWriter::addData():
Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed ↩:
0   WebCore                       	0x00000001aa074724 WebCore::DocumentWriter::addData(char const*, unsigned long) + 56 (DocumentWriter.cpp:250)
1   WebCore                       	0x00000001aa0620f0 WebCore::DocumentLoader::commitData(char const*, unsigned long) + 2580 (DocumentLoader.cpp:1075)
2   WebKit                        	0x00000001b02039fc WebKit::WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) + 60 (WebFrameLoaderClient.cpp:1021)
3   WebCore                       	0x00000001aa0653e0 WebCore::DocumentLoader::commitLoad(char const*, int) + 172 (DocumentLoader.cpp:967)
4   WebCore                       	0x00000001aa0e1958 WebCore::CachedRawResource::notifyClientsDataWasReceived(char const*, unsigned int) + 344 (CachedRawResource.cpp:136)
5   WebCore                       	0x00000001aa0e1680 WebCore::CachedRawResource::updateBuffer(WebCore::SharedBuffer&) + 208 (CachedRawResource.cpp:73)
6   WebCore                       	0x00000001aa0b72cc WebCore::SubresourceLoader::didReceiveDataOrBuffer(char const*, int, WTF::RefPtr<WebCore::SharedBuffer, WTF::DumbPtrTraits<WebCore::SharedBuffer> >&&, long long, WebCore::DataPayloadType) + 396 (SubresourceLoader.cpp:455)
7   WebCore                       	0x00000001aa0b73b8 WebCore::SubresourceLoader::didReceiveBuffer(WTF::Ref<WebCore::SharedBuffer, WTF::DumbPtrTraits<WebCore::SharedBuffer> >&&, long long, WebCore::DataPayloadType) + 100 (SubresourceLoader.cpp:435)
8   WebKit                        	0x00000001b0315cec WebKit::WebResourceLoader::didReceiveResource(WebKit::ShareableResource::Handle const&) + 276 (WebResourceLoader.cpp:214)
9   WebKit                        	0x00000001b0316524 WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) + 456 (HandleMessage.h:41)
10  WebKit                        	0x00000001b00fb594 WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 520 (NetworkProcessConnection.cpp:72)
11  WebKit                        	0x00000001b0061188 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 164 (Connection.cpp:929)
12  WebKit                        	0x00000001b00618c4 IPC::Connection::dispatchIncomingMessages() + 748 (Connection.cpp:1044)
13  JavaScriptCore                	0x00000001a7a96cb0 WTF::RunLoop::performWork() + 276 (Function.h:56)
14  JavaScriptCore                	0x00000001a7a96f78 WTF::RunLoop::performWork(void*) + 36 (RunLoopCF.cpp:38)
15  CoreFoundation                	0x000000019fda6e7c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24 (CFRunLoop.c:1980)
16  CoreFoundation                	0x000000019fda6dfc __CFRunLoopDoSource0 + 88 (CFRunLoop.c:2015)
17  CoreFoundation                	0x000000019fda66dc __CFRunLoopDoSources0 + 176 (CFRunLoop.c:2051)
18  CoreFoundation                	0x000000019fda1580 __CFRunLoopRun + 1044 (CFRunLoop.c:2922)
19  CoreFoundation                	0x000000019fda0e48 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3247)
20  Foundation                    	0x00000001a078ee54 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 300 (NSRunLoop.m:367)
21  Foundation                    	0x00000001a07cb7c8 -[NSRunLoop(NSRunLoop) run] + 88 (NSRunLoop.m:389)
22  libxpc.dylib                  	0x000000019fa72084 _xpc_objc_main + 532 (main.m:170)
23  libxpc.dylib                  	0x000000019fa74ac4 xpc_main + 184 (init.c:1471)
24  com.apple.WebKit.WebContent   	0x0000000100c5759c main + 380 (XPCServiceMain.mm:160)
25  libdyld.dylib                 	0x000000019f85f0c4 start + 4
Comment 1 Chris Dumez 2018-07-19 14:27:26 PDT 
<rdar://problem/41328743>
Comment 2 Chris Dumez 2018-07-19 14:34:21 PDT 
Created attachment 345382 [details]
Patch
Comment 3 WebKit Commit Bot 2018-07-19 16:19:39 PDT 
Comment on attachment 345382 [details]
Patch

Clearing flags on attachment: 345382

Committed r234013: <https://trac.webkit.org/changeset/234013>
Comment 4 WebKit Commit Bot 2018-07-19 16:19:40 PDT 
All reviewed patches have been landed.  Closing bug.
Comment 5 Alexey Proskuryakov 2018-07-20 19:33:42 PDT 
No test?