Details
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Bug
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Resolution: Done
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P1: Critical
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6.2.0 Beta2
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None
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Linux/X11
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498c4ac362cb6cbee8a30c8cc46fa4253bf93ee0 (qt/qtwebengine/dev) a1f6c0fcaf072e49b1737d250a1fe15adb1eb10c (qt/qtwebengine/6.2) 78898d5adb833e90e8435c728ec0ff339d2cd5a6 (qt/qtwebengine/6.2.0)
Description
Rare crash happens in main process main thread in bunch of tests like:
tst_QWebEngineUrlRequestInterceptor::jsServiceWorker
tst_QWebEnginePage::registerProtocolHandler(accept)
but basically affects every use case with non-otr profile.
Stack:
history::HistoryService::GetFaviconsForURL(GURL const&, base::internal::flat_tree<favicon_base::IconType, base::identity, std::less<void>, std::vector<favicon_base::IconType, std::allocator<favicon_base::IconType> > > const&, std::vector<int, std::allocator<int> > const&, b favicon::FaviconServiceImpl::GetFaviconForPageURLImpl(GURL const&, base::internal::flat_tree<favicon_base::IconType, base::identity, std::less<void>, std::vector<favicon_base::IconType, std::allocator<favicon_base::IconType> > > const&, std::vector<int, std::allocator<int> favicon::FaviconServiceImpl::GetFaviconForPageURL(GURL const&, base::internal::flat_tree<favicon_base::IconType, base::identity, std::less<void>, std::vector<favicon_base::IconType, std::allocator<favicon_base::IconType> > > const&, int, base::OnceCallback<void (std::vector favicon::FaviconHandler::FetchFavicon(GURL const&, bool) at favicon_handler.cc:241 QtWebEngineCore::FaviconDriverQt::FetchFavicon(GURL const&, bool) at favicon_driver_qt.cpp:133 QtWebEngineCore::FaviconDriverQt::DidFinishNavigation(content::NavigationHandle*) at favicon_driver_qt.cpp:340 void content::WebContentsImpl::WebContentsObserverList::NotifyObservers<void (content::WebContentsObserver::*)(content::NavigationHandle*), content::NavigationHandle*&>(void (content::WebContentsObserver::*)(content::NavigationHandle*), content::NavigationHandle*&) at web_c content::WebContentsImpl::DidFinishNavigation(content::NavigationHandle*) at web_contents_impl.cc:5257 content::NavigationRequest::~NavigationRequest() at navigation_request.cc:1398 content::NavigationRequest::~NavigationRequest() at navigation_request.cc:1357 content::Navigator::DidNavigate(content::RenderFrameHostImpl*, content::mojom::DidCommitProvisionalLoadParams const&, std::unique_ptr<content::NavigationRequest, std::default_delete<content::NavigationRequest> >, bool) at unique_ptr.h:85 content::RenderFrameHostImpl::DidCommitNavigationInternal(std::unique_ptr<content::NavigationRequest, std::default_delete<content::NavigationRequest> >, mojo::StructPtr<content::mojom::DidCommitProvisionalLoadParams>, mojo::InlinedStructPtr<content::mojom::DidCommitSameDocu content::RenderFrameHostImpl::DidCommitNavigation(content::NavigationRequest*, mojo::StructPtr<content::mojom::DidCommitProvisionalLoadParams>, mojo::StructPtr<content::mojom::DidCommitProvisionalLoadInterfaceParams>) at render_frame_host_impl.cc:9383
symptom is that history_service_ is nullptr for favicon service, but favicon is still requested