Created attachment 368032 [details] Full backtrace Truncated backtrace: Thread no. 1 (10 frames) #0 WebKit::LegacyCustomProtocolManager::registerScheme at DerivedSources/ForwardingHeaders/wtf/glib/GRefPtr.h:107 #1 IPC::callMemberFunctionImpl<WebKit::LegacyCustomProtocolManager, void (WebKit::LegacyCustomProtocolManager::*)(WTF::String const&), std::tuple<WTF::String>, 0ul> at ../Source/WebKit/Platform/IPC/HandleMessage.h:45 #2 IPC::callMemberFunction<WebKit::LegacyCustomProtocolManager, void (WebKit::LegacyCustomProtocolManager::*)(WTF::String const&), std::tuple<WTF::String>, std::integer_sequence<unsigned long, 0ul> > at ../Source/WebKit/Platform/IPC/HandleMessage.h:47 #3 IPC::handleMessage<Messages::LegacyCustomProtocolManager::RegisterScheme, WebKit::LegacyCustomProtocolManager, void (WebKit::LegacyCustomProtocolManager::*)(WTF::String const&)> at ../Source/WebKit/Platform/IPC/HandleMessage.h:147 #4 WebKit::LegacyCustomProtocolManager::didReceiveMessage at DerivedSources/WebKit/LegacyCustomProtocolManagerMessageReceiver.cpp:65 #5 IPC::MessageReceiverMap::dispatchMessage at ../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123 #6 WebKit::NetworkProcess::didReceiveMessage at ../Source/WebKit/Shared/AuxiliaryProcess.h:76 #7 IPC::Connection::dispatchMessage at ../Source/WebKit/Platform/IPC/Connection.cpp:978 #9 IPC::Connection::dispatchOneIncomingMessage at /usr/include/c++/8/bits/move.h:74 #10 WTF::Function<void ()>::operator()() const at /usr/include/c++/8/bits/unique_ptr.h:347