Bug 279507 – [GStreamer][WebRTC] Crash when rtpbin is missing

• Status: RESOLVED
• Resolution: FIXED
• Component: Platform

[Carlos Bentzen]

It is possible to have an incomplete GStreamer installation that has webrtcbin but not rtpbin. In those cases we should fail gracefully but currently we crash.

Backtrace (sorry it's from a Release build):

#0  0x00007ffff6d521a1 in WebCore::gstObjectHasProperty(_GstElement*, char const*) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#1  0x00007ffff5d3a783 in WebCore::GStreamerMediaEndpoint::initializePipeline() () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#2  0x00007ffff5d3a4b6 in WebCore::GStreamerMediaEndpoint::GStreamerMediaEndpoint(WebCore::GStreamerPeerConnectionBackend&) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#3  0x00007ffff5d44004 in WebCore::GStreamerPeerConnectionBackend::GStreamerPeerConnectionBackend(WebCore::RTCPeerConnection&) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#4  0x00007ffff5d43f87 in WebCore::createGStreamerPeerConnectionBackend(WebCore::RTCPeerConnection&) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#5  0x00007ffff5d171e6 in WebCore::RTCPeerConnection::RTCPeerConnection(WebCore::Document&) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#6  0x00007ffff5d16b31 in WebCore::RTCPeerConnection::create(WebCore::Document&, WebCore::RTCConfiguration&&) () at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#7  0x00007ffff5831ccf in WebCore::JSDOMConstructor<WebCore::JSRTCPeerConnection>::construct(JSC::JSGlobalObject*, JSC::CallFrame*) ()
    at /host/home/cadubentzen/Projects/UpstreamWebKit/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4

Patching coming up soon.

[Carlos Bentzen]

Pull request: https://github.com/WebKit/WebKit/pull/33460

[EWS]

Committed 283495@main (0b20935dbde7): <https://commits.webkit.org/283495@main>

Reviewed commits have been landed. Closing PR #33460 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/135812941>