User-Agent: Mozilla/5.0 (X11; U; Linux i686; fi-FI; rv:1.9.2.3) Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3 Build Identifier: Fennec+electrolysis crashes when I try to open address which does not respond. Reproducible: Always Steps to Reproduce: 1. Make sure no-one is listening port localhost:8899 2. Open Fennec+Electrolysis 3. Open URL http://localhost:8899/ Actual Results: Crash. Expected Results: Error message about invalid address. Backtrace: Program received signal SIGSEGV, Segmentation fault. 0xb6161cc2 in nsTArray_base::Length() const () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so (gdb) bt #0 0xb6161cc2 in nsTArray_base::Length() const () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #1 0xb705aef9 in IPC::ParamTraits<nsTArray<nsHttpHeaderArray::nsEntry> >::Write(IPC::Message*, nsTArray<nsHttpHeaderArray::nsEntry> const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #2 0xb705a152 in void IPC::WriteParam<nsTArray<nsHttpHeaderArray::nsEntry> >(IPC::Message*, nsTArray<nsHttpHeaderArray::nsEntry> const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #3 0xb705a5a3 in IPC::ParamTraits<nsHttpHeaderArray>::Write(IPC::Message*, nsHttpHeaderArray const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #4 0xb705a16c in void IPC::WriteParam<nsHttpHeaderArray>(IPC::Message*, nsHttpHeaderArray const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #5 0xb705a5bd in IPC::ParamTraits<nsHttpResponseHead>::Write(IPC::Message*, nsHttpResponseHead const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #6 0xb705a1fc in void IPC::WriteParam<nsHttpResponseHead>(IPC::Message*, nsHttpResponseHead const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #7 0xb705ad54 in void mozilla::net::PHttpChannelParent::Write<nsHttpResponseHead>(nsHttpResponseHead const&, IPC::Message*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #8 0xb7058c0d in mozilla::net::PHttpChannelParent::SendOnStartRequest(nsHttpResponseHead const&) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #9 0xb6259f0a in mozilla::net::HttpChannelParent::OnStartRequest(nsIRequest*, nsISupports*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #10 0xb6246ba3 in nsHttpChannel::CallOnStartRequest() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #11 0xb6252a3c in nsHttpChannel::OnStartRequest(nsIRequest*, nsISupports*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #12 0xb6197096 in nsInputStreamPump::OnStateStart() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #13 0xb6196f8e in nsInputStreamPump::OnInputStreamReady(nsIAsyncInputStream*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #14 0xb714d40a in nsInputStreamReadyEvent::Run() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #15 0xb7170343 in nsThread::ProcessNextEvent(int, int*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #16 0xb711e5aa in NS_ProcessNextEvent_P(nsIThread*, int) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #17 0xb7013357 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #18 0xb71d5036 in MessageLoop::RunInternal() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #19 0xb71d5001 in MessageLoop::RunHandler() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #20 0xb71d4fa5 in MessageLoop::Run() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #21 0xb6ef40ee in nsBaseAppShell::Run() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #22 0xb6d0db98 in nsAppStartup::Run() () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #23 0xb6171971 in XRE_main () from /work/tkoskine/mobile/mobilebase-a/mobile/dist/bin/xulrunner/libxul.so #24 0x0804a3e3 in main () (gdb) Operating system: Ubuntu 10.04/i386 Used revisions: ae03b58ae488 from http://hg.mozilla.org/projects/electrolysis 2bdaf91d4f4d from http://hg.mozilla.org/users/pavlov_mozilla.com/mobile-e10s Used mozconfig: # Options for client.mk. mk_add_options MOZ_BUILD_PROJECTS="xulrunner mobile" mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../mobilebase-a # Global options ac_add_options --disable-debug ac_add_options --disable-optimize ac_add_options --enable-tests ac_add_options --disable-crashreporter # XULRunner options ac_add_app_options xulrunner --enable-application=xulrunner ac_add_app_options xulrunner --disable-javaxpcom # mobile options ac_add_app_options mobile --enable-application=mobile ac_add_app_options mobile --with-libxul-sdk=../xulrunner/dist ac_add_app_options mobile --enable-chrome-format=flat ac_add_options --enable-ipc export MOZ_MAKE_FLAGS=-j9 mk_add_options MOZ_MAKE_FLAGS=-j9 ##END

Attached patch fixes the crash for me and shows "Unable to connect" message.