[Webkit-unassigned] [Bug 148027] New: REGRESSION(r188444): WebProcess now hanging

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=148027

            Bug ID: 148027
           Summary: REGRESSION(r188444): WebProcess now hanging
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com
                CC: cgarcia at igalia.com, fpizlo at apple.com

This is the trace I have here on GTK, I think EFL is also broken now:

Thread 1 (Thread 0x7fee3f3b0a80 (LWP 10421)):
#0  0x00007ffc7d4e5a3d in clock_gettime ()
#1  0x00007fee3217cccd in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fee329cff8e in std::chrono::_V2::system_clock::now() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007fee3b7a6acf in WTF::ParkingLot::parkConditionally(void const*, std::function<bool ()>, std::function<void ()>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#4  0x00007fee3b40193d in JSC::GCThreadSharedData::GCThreadSharedData(JSC::VM*) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#5  0x00007fee3b4031d7 in JSC::Heap::Heap(JSC::VM*, JSC::HeapType) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#6  0x00007fee3b73ca1c in JSC::VM::VM(JSC::VM::VMType, JSC::HeapType) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#7  0x00007fee3b73eb74 in JSC::VM::create(JSC::HeapType) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#8  0x00007fee3b73eb89 in JSC::VM::createLeaked(JSC::HeapType) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#9  0x00007fee3d62c19c in WebCore::JSDOMWindowBase::commonVM() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#10 0x00007fee3d5f7645 in WebCore::mainThreadNormalWorld() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#11 0x00007fee3d691999 in WebCore::ScriptController::enableEval() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#12 0x00007fee3db5857a in WebCore::FrameLoader::clear(WebCore::Document*, bool, bool, bool) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#13 0x00007fee3db401f1 in WebCore::DocumentWriter::begin(WebCore::URL const&, bool, WebCore::Document*) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#14 0x00007fee3db33faa in WebCore::DocumentLoader::commitData(char const*, unsigned long) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#15 0x00007fee3d3b65f6 in WebKit::WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#16 0x00007fee3db365a7 in WebCore::DocumentLoader::commitLoad(char const*, int) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#17 0x00007fee3dbc1fa9 in WebCore::CachedRawResource::notifyClientsDataWasReceived(char const*, unsigned int) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#18 0x00007fee3dbc2099 in WebCore::CachedRawResource::addDataBuffer(WebCore::SharedBuffer&) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#19 0x00007fee3db8ada2 in WebCore::SubresourceLoader::didReceiveDataOrBuffer(char const*, int, WTF::PassRefPtr<WebCore::SharedBuffer>, long long, WebCore::DataPayloadType) ()
   from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#20 0x00007fee3db8af0b in WebCore::SubresourceLoader::didReceiveData(char const*, unsigned int, long long, WebCore::DataPayloadType) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#21 0x00007fee3d4d1b16 in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#22 0x00007fee3d22853b in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::MessageDecoder, std::default_delete<IPC::MessageDecoder> >) () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#23 0x00007fee3d228fe4 in IPC::Connection::dispatchOneMessage() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#24 0x00007fee3e90ef2f in WTF::RunLoop::performWork() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#25 0x00007fee3b7d95d5 in WTF::GMainLoopSource::voidCallback() () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#26 0x00007fee3b7d766a in WTF::GMainLoopSource::voidSourceCallback(WTF::GMainLoopSource*) () from /home/phil/wkbuild/lib/libjavascriptcoregtk-4.0.so.18
#27 0x00007fee38b127ed in g_main_dispatch (context=0x16e25b0) at gmain.c:3122
#28 g_main_context_dispatch (context=context at entry=0x16e25b0) at gmain.c:3737
#29 0x00007fee38b12b88 in g_main_context_iterate (context=0x16e25b0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3808
#30 0x00007fee38b12ea2 in g_main_loop_run (loop=0x1d73ca0) at gmain.c:4002
#31 0x00007fee3e914680 in WTF::RunLoop::run() () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#32 0x00007fee3d4a20e2 in WebProcessMainUnix () from /home/phil/wkbuild/lib/libwebkit2gtk-4.0.so.37
#33 0x00007fee320abb45 in __libc_start_main (main=0x400b30 <main>, argc=2, argv=0x7ffc7d4cf9c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc7d4cf9b8)
    at libc-start.c:287
#34 0x0000000000400b85 in _start ()


This is quite an important regression, it prevents any website to load here :(

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