[Webkit-unassigned] [Bug 116977] [GTK] media/event-attributes.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=116977

--- Comment #4 from Fujii Hironori <Hironori.Fujii at sony.com> ---
segfault happens in release build. (trunk at 233029, GTK port)
Seems same with Bug 186206 and Bug 185910.

> Core was generated by `/home/fujii/work/webkit/ga/WebKitBuild/Release/bin/WebKitWebProcess 3 16'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00007f74c8aab575 in WebKit::CoordinatedBackingStoreTile::setBackBuffer(WebCore::IntRect const&, WebCore::IntRect const&, WTF::RefPtr<Nicosia::Buffer, WTF::DumbPtrTraits<Nicosia::Buffer> >&&, WebCore::IntPoint const&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> [Current thread is 1 (Thread 0x7f7400ff9700 (LWP 9059))]

> Thread 1 (Thread 0x7f7400ff9700 (LWP 9059)):
> #0  0x00007f74c8aab575 in WebKit::CoordinatedBackingStoreTile::setBackBuffer(WebCore::IntRect const&, WebCore::IntRect const&, WTF::RefPtr<Nicosia::Buffer, WTF::DumbPtrTraits<Nicosia::Buffer> >&&, WebCore::IntPoint const&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #1  0x00007f74c8aab612 in WebKit::CoordinatedBackingStore::updateTile(unsigned int, WebCore::IntRect const&, WebCore::IntRect const&, WTF::RefPtr<Nicosia::Buffer, WTF::DumbPtrTraits<Nicosia::Buffer> >&&, WebCore::IntPoint const&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #2  0x00007f74c8aae8b7 in WebKit::CoordinatedGraphicsScene::updateTilesIfNeeded(WebCore::TextureMapperLayer*, WebCore::CoordinatedGraphicsLayerState const&, WebKit::CoordinatedGraphicsScene::CommitScope&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #3  0x00007f74c8aafcec in WebKit::CoordinatedGraphicsScene::setLayerState(unsigned int, WebCore::CoordinatedGraphicsLayerState const&, WebKit::CoordinatedGraphicsScene::CommitScope&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #4  0x00007f74c8ab02c0 in WebKit::CoordinatedGraphicsScene::commitSceneState(WebCore::CoordinatedGraphicsState const&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #5  0x00007f74c8ab0557 in WebKit::CoordinatedGraphicsScene::applyStateChanges(WTF::Vector<WebCore::CoordinatedGraphicsState, 0ul, WTF::CrashOnOverflow, 16ul> const&) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #6  0x00007f74c8ab398c in WebKit::ThreadedCompositor::renderLayerTree() () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #7  0x00007f74c356ec23 in WTF::RunLoop::TimerBase::TimerBase(WTF::RunLoop&)::{lambda(void*)#1}::_FUN(void*) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #8  0x00007f74c430fc55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
> #9  g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
> #10 0x00007f74c4310020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
> #11 0x00007f74c4310332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
> #12 0x00007f74c356f020 in WTF::RunLoop::run() () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #13 0x00007f74c35383eb in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #14 0x00007f74c356d199 in WTF::wtfThreadEntryPoint(void*) () from /home/fujii/work/webkit/ga/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #15 0x00007f74c1dfb6db in start_thread (arg=0x7f7400ff9700) at pthread_create.c:463
> #16 0x00007f74c694488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

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