[Webkit-unassigned] [Bug 185005] New: [WPE][EME] Crashes on different eme-related layout tests for WPE Debug build

Wed Apr 25 16:05:32 PDT 2018

https://bugs.webkit.org/show_bug.cgi?id=185005

            Bug ID: 185005
           Summary: [WPE][EME] Crashes on different eme-related layout
                    tests for WPE Debug build
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit WPE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: bugs-noreply at webkitgtk.org, calvaris at igalia.com,
                    psaavedra at igalia.com
            Blocks: 158836

We just added a Debug tester for WPE and it is aborting early due to many crashes on EME related tests.

  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-destroy-persistent-license.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-persistent-license-events.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-persistent-license.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-retrieve-destroy-persistent-license.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-retrieve-persistent-license.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-encrypted-clear-sources.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-encrypted-clear.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-events.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-multikey-sequential-readyState.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-multikey-sequential.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-multikey.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-multisession.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-setMediaKeys-after-src.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-setMediaKeys-immediately.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-setMediaKeys-onencrypted.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-two-videos.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary-waitingforkey.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-playback-temporary.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-reset-src-after-setmediakeys.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-setmediakeys-again-after-playback.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-setmediakeys-again-after-resetting-src.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-setmediakeys-multiple-times-with-different-mediakeys.https.html [ Crash ]
  imported/w3c/web-platform-tests/encrypted-media/clearkey-mp4-waiting-for-a-key.https.html [ Crash ]
  imported/w3c/web-platform-tests/html/semantics/selectors/pseudo-classes/dir.html [ Crash ]
  media/encrypted-media/clearKey/clearKey-cenc-audio-playback-mse.html [ Crash ]
  media/encrypted-media/clearKey/clearKey-cenc-video-playback-mse.html [ Crash ]
  media/encrypted-media/clearKey/clearKey-encrypted-cenc-event-mse.html [ Crash ]
  media/encrypted-media/clearKey/clearKey-message-cenc-event-mse.html [ Crash ]

https://build.webkit.org/results/WPE%20Linux%2064-bit%20Debug%20(Tests)/r231014%20(4)/results.html

Example of crash log:

STDERR: ASSERTION FAILED: WTF::isMainThread()
STDERR: /home/buildbot/wpe/wpe-linux-64-debug/build/Source/WebCore/platform/graphics/gstreamer/mse/AppendPipeline.cpp(429) : void WebCore::AppendPipeline::setAppendState(WebCore::AppendPipeline::AppendState)
STDERR: 1   0x7f0249f324df WTFCrash
STDERR: 2   0x7f0248cbf6e8 WebCore::AppendPipeline::setAppendState(WebCore::AppendPipeline::AppendState)
STDERR: 
STDERR: (WPEWebProcess:53190): GLib-GObject-WARNING **: g_object_set_is_valid_property: object class 'WebKitMediaSrc' has no property named 'current-audio'
STDERR: ASSERTION FAILED: !m_cdmInstance
STDERR: /home/buildbot/wpe/wpe-linux-64-debug/build/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp(1210) : virtual void WebCore::MediaPlayerPrivateGStreamerBase::cdmInstanceAttached(WebCore::CDMInstance&)
STDERR: 3   0x7f0248cbeb13 WebCore::AppendPipeline::handleNeedContextSyncMessage(_GstMessage*)
STDERR: 1   0x7f0249f324df WTFCrash
STDERR: 4   0x7f0248cbd971
STDERR: 2   0x7f02489ca178 WebCore::MediaPlayerPrivateGStreamerBase::cdmInstanceAttached(WebCore::CDMInstance&)
STDERR: 5   0x7f0235b699fe ffi_call_unix64
STDERR: 3   0x7f0248123929 WebCore::MediaPlayer::cdmInstanceAttached(WebCore::CDMInstance&)
STDERR: 6   0x7f0235b6868d ffi_call
STDERR: 4   0x7f0247a85dad WebCore::HTMLMediaElement::mediaEngineWasUpdated()
STDERR: 7   0x7f0239272f58 g_cclosure_marshal_generic
STDERR: 5   0x7f0247a78fe6 WebCore::HTMLMediaElement::pendingActionTimerFired()
STDERR: 8   0x7f0239272745 g_closure_invoke
STDERR: 6   0x7f0247abdb70 void std::__invoke_impl<void, void (WebCore::HTMLMediaElement::* const&)(), WebCore::HTMLMediaElement*&>(std::__invoke_memfun_deref, void (WebCore::HTMLMediaElement::* const&)(), WebCore::HTMLMediaElement*&)
STDERR: 9   0x7f02392845c2
STDERR: 7   0x7f0247abda95 std::result_of<void (WebCore::HTMLMediaElement::* const&(WebCore::HTMLMediaElement*&))()>::type std::__invoke<void (WebCore::HTMLMediaElement::* const&)(), WebCore::HTMLMediaElement*&>(void (WebCore::HTMLMediaElement::* const&)(), WebCore::HTMLMediaElement*&)
STDERR: 10  0x7f023928d161 g_signal_emit_valist
STDERR: 11  0x7f023928d572 g_signal_emit
STDERR: 8   0x7f0247abd9ec decltype (__invoke((*this)._M_pmf, (forward<WebCore::HTMLMediaElement*&>)({parm#1}))) std::_Mem_fn_base<void (WebCore::HTMLMediaElement::*)(), true>::operator()<WebCore::HTMLMediaElement*&>(WebCore::HTMLMediaElement*&) const
STDERR: 12  0x7f023a55f98a gst_bus_sync_signal_handler
STDERR: 13  0x7f023a55fc4c gst_bus_post
STDERR: 14  0x7f023a574c38
STDERR: 15  0x7f023a551e3d
STDERR: 16  0x7f023a577973 gst_element_post_message
STDERR: 17  0x7f023a552169
STDERR: 18  0x7f023a59cd1c
STDERR: 19  0x7f023a54fa78
STDERR: 20  0x7f023a55fc23 gst_bus_post
STDERR: 21  0x7f023a574c38
STDERR: 22  0x7f023a577973 gst_element_post_message
STDERR: 23  0x7f01d8799c5c
STDERR: 24  0x7f01d879b65d
STDERR: 25  0x7f01d87b83c8
STDERR: 9   0x7f0247abd7b4 void std::_Bind<std::_Mem_fn<void (WebCore::HTMLMediaElement::*)()> (WebCore::HTMLMediaElement*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>)
STDERR: 26  0x7f023a5904b6
STDERR: 27  0x7f023a5986a2 gst_pad_push
STDERR: 28  0x7f023a687c25
STDERR: 29  0x7f023a5c3371
STDERR: 30  0x7f02391be53e
STDERR: 31  0x7f02391bdb65
STDERR: LEAK: 1 WebPageProxy

Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=158836
[Bug 158836] ⛱ Encrypted Media Extensions implementation update
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