Bug 31387 - ASSERT in FrameLoader::addData when loading multipart/x-mixed-replace data
Summary: ASSERT in FrameLoader::addData when loading multipart/x-mixed-replace data
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Page Loading (show other bugs)
Version: 528+ (Nightly build)
Hardware: PC OS X 10.5
: P2 Normal
Assignee: Nobody
URL: http://ponderer.org/tests/multipart-c...
Keywords:
Depends on:
Blocks:
 
Reported: 2009-11-11 17:01 PST by Tony Chang
Modified: 2010-06-24 17:24 PDT (History)
0 users

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Description Tony Chang 2009-11-11 17:01:13 PST 
If I load the above URL in a debug build, I hit the following assert:

#0	0x04559275 in WebCore::FrameLoader::addData at FrameLoader.cpp:1439
#1	0x00319bd1 in -[WebFrame(WebInternal) _addData:] at WebFrame.mm:475
#2	0x003173d5 in -[WebFrame(WebInternal) _receivedData:textEncodingName:] at WebFrame.mm:983
#3	0x00339a23 in -[WebHTMLRepresentation receivedData:withDataSource:] at WebHTMLRepresentation.mm:162
#4	0x0030588c in -[WebDataSource(WebInternal) _receivedData:] at WebDataSource.mm:222
#5	0x00322716 in WebFrameLoaderClient::committedLoad at WebFrameLoaderClient.mm:803
#6	0x04553e9c in WebCore::FrameLoader::committedLoad at FrameLoader.cpp:3184
#7	0x0440be59 in WebCore::DocumentLoader::commitLoad at DocumentLoader.cpp:342
#8	0x0440beb2 in WebCore::DocumentLoader::receivedData at DocumentLoader.cpp:354
#9	0x0455643b in WebCore::FrameLoader::receivedData at FrameLoader.cpp:2036
#10	0x0494db7e in WebCore::MainResourceLoader::addData at MainResourceLoader.cpp:143
#11	0x04af19c5 in WebCore::ResourceLoader::didReceiveData at ResourceLoader.cpp:248
#12	0x0494d48c in WebCore::MainResourceLoader::didReceiveData at MainResourceLoader.cpp:374
#13	0x04af0e2e in WebCore::ResourceLoader::didReceiveData at ResourceLoader.cpp:398
#14	0x04aed207 in -[WebCoreResourceHandleAsDelegate connection:didReceiveData:lengthReceived:] at ResourceHandleMac.mm:736
#15	0x912f4ec7 in -[NSURLConnection(NSURLConnectionReallyInternal) sendDidReceiveData:originalLength:]
#16	0x912f4e11 in _NSURLConnectionDidReceiveData
#17	0x93c93978 in URLConnectionClient::_clientDidReceiveData
#18	0x93c948cc in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#19	0x93c94baa in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#20	0x93c93370 in URLConnectionClient::processEvents
#21	0x93c40d03 in MultiplexerSource::perform
#22	0x924fc3c5 in CFRunLoopRunSpecific
#23	0x924fcaa8 in CFRunLoopRunInMode
#24	0x91f072ac in RunCurrentEventLoopInMode
#25	0x91f070c5 in ReceiveNextEventCommon
#26	0x91f06f39 in BlockUntilNextEventMatchingListInMode
#27	0x96c546d5 in _DPSNextEvent
#28	0x96c53f88 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
#29	0x0000c303 in ??
#30	0x96c4cf9f in -[NSApplication run]
#31	0x96c1a1d8 in NSApplicationMain
#32	0x00002c92 in ??
Comment 1 Tony Chang 2010-06-24 17:24:22 PDT 
This is now codified in a LayoutTest, which is Skipped on Mac because it hits this assert.
http/tests/multipart/policy-ignore-crash.php

The current stack is:

#0	0x044fe3f7 in WebCore::FrameLoader::addData at FrameLoader.cpp:1141
#1	0x00314217 in -[WebFrame(WebInternal) _addData:] at WebFrame.mm:502
#2	0x003120a1 in -[WebFrame(WebInternal) _receivedData:textEncodingName:] at WebFrame.mm:1011
#3	0x003354a6 in -[WebHTMLRepresentation finishedLoadingWithDataSource:] at WebHTMLRepresentation.mm:210
#4	0x002fe35b in -[WebDataSource(WebInternal) _finishedLoading] at WebDataSource.mm:221
#5	0x0031e06d in WebFrameLoaderClient::finishedLoading at WebFrameLoaderClient.mm:859
#6	0x045033d1 in WebCore::FrameLoader::finishedLoadingDocument at FrameLoader.cpp:2270
#7	0x043ddd49 in WebCore::DocumentLoader::finishedLoading at DocumentLoader.cpp:267
#8	0x04502c50 in WebCore::FrameLoader::finishedLoading at FrameLoader.cpp:2215
#9	0x049ccf1f in WebCore::MainResourceLoader::didFinishLoading at MainResourceLoader.cpp:424
#10	0x04bb67de in WebCore::ResourceLoader::didFinishLoading at ResourceLoader.cpp:443
#11	0x04bb2c17 in -[WebCoreResourceHandleAsDelegate connectionDidFinishLoading:] at ResourceHandleMac.mm:859
#12	0x91c90497 in -[NSURLConnection(NSURLConnectionReallyInternal) sendDidFinishLoading]
#13	0x91c90403 in _NSURLConnectionDidFinishLoading
#14	0x90e3cba4 in URLConnectionClient::_clientDidFinishLoading
#15	0x90e3d8fa in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#16	0x90e3dbaa in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#17	0x90e3dbaa in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#18	0x90e3dbaa in URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload
#19	0x90e3c370 in URLConnectionClient::processEvents
#20	0x90de9d03 in MultiplexerSource::perform
#21	0x95a4a3c5 in CFRunLoopRunSpecific
#22	0x95a4aaa8 in CFRunLoopRunInMode
#23	0x95ec42ac in RunCurrentEventLoopInMode
#24	0x95ec40c5 in ReceiveNextEventCommon
#25	0x95ec3f39 in BlockUntilNextEventMatchingListInMode
#26	0x925116d5 in _DPSNextEvent
#27	0x92510f88 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
#28	0x0000c045 in ??
#29	0x92509f9f in -[NSApplication run]
#30	0x924d71d8 in NSApplicationMain
#31	0x000029d2 in ??