RESOLVED WORKSFORME 236851
ASSERTION FAILED: needsPreparationForDisplay() when opening certain PDFs in PDF.js viewer 
https://bugs.webkit.org/show_bug.cgi?id=236851
Summary ASSERTION FAILED: needsPreparationForDisplay() when opening certain PDFs in P...
Tim Nguyen (:ntim)
Reported 2022-02-18 11:42:49 PST
Created attachment 452553 [details] Sample crashing PDF ASSERTION FAILED: needsPreparationForDisplay() ./html/HTMLCanvasElement.cpp(1033) : void WebCore::HTMLCanvasElement::prepareForDisplay() 1 0x1334fc320 WTFCrash 2 0x1477c9f74 WTFCrashWithInfo(int, char const*, char const*, int) 3 0x14a710804 WebCore::HTMLCanvasElement::prepareForDisplay() 4 0x14a277a88 WebCore::Document::prepareCanvasesForDisplayIfNeeded() 5 0x14b1307ac WebCore::Page::doAfterUpdateRendering()::$_50::operator()(WebCore::Document&) const 6 0x14b130728 WTF::Detail::CallableWrapper<WebCore::Page::doAfterUpdateRendering()::$_50, void, WebCore::Document&>::call(WebCore::Document&) 7 0x14a1cacc0 WTF::Function<void (WebCore::Document&)>::operator()(WebCore::Document&) const 8 0x14b0e03b4 WebCore::Page::forEachDocumentFromMainFrame(WebCore::Frame const&, WTF::Function<void (WebCore::Document&)> const&) 9 0x14b0d08b4 WebCore::Page::forEachDocument(WTF::Function<void (WebCore::Document&)> const&) const 10 0x14b0d80e8 WebCore::Page::doAfterUpdateRendering() 11 0x14b0d7a68 WebCore::Page::updateRendering() 12 0x1195250d0 WebKit::WebPage::updateRendering() 13 0x1187f720c WebKit::TiledCoreAnimationDrawingArea::updateRendering(WebKit::TiledCoreAnimationDrawingArea::UpdateRenderingType) 14 0x1187fc084 WebKit::TiledCoreAnimationDrawingArea::updateRenderingRunLoopCallback() 15 0x118818794 WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0::operator()() const 16 0x118818710 WTF::Detail::CallableWrapper<WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0, void>::call() 17 0x14ab44a3c WTF::Function<void ()>::operator()() const 18 0x14b3bc4ec WebCore::RunLoopObserver::runLoopObserverFired() 19 0x14b3bc454 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*) 20 0x1ad796d00 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ 21 0x1ad796b50 __CFRunLoopDoObservers 22 0x1ad795634 CFRunLoopRunSpecific 23 0x1ae672040 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 24 0x1ae702394 -[NSRunLoop(NSRunLoop) run] 25 0x1ad40c8b4 _xpc_objc_main 26 0x1ad40c1d0 xpc_main 27 0x117aad858 WebKit::XPCServiceMain(int, char const**) 28 0x119950e28 WKXPCServiceMain 29 0x102703eac main 30 0x1028b508c
Attachments
Sample crashing PDF (519.38 KB, application/pdf)
2022-02-18 11:42 PST, Tim Nguyen (:ntim) 		no flags
Details
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Radar WebKit Bug Importer
Comment 1 2022-02-18 11:44:09 PST
<rdar://problem/89158103>
Tim Nguyen (:ntim)
Comment 2 2022-08-30 14:02:55 PDT
Can no longer reproduce
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