[Webkit-unassigned] [Bug 232445] New: safari crashes when VideoTrack is disabled while in webrtc call

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=232445

            Bug ID: 232445
           Summary: safari crashes when VideoTrack is disabled while in
                    webrtc call
           Product: WebKit
           Version: Safari 15
          Hardware: All
                OS: All
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: makarand at gmail.com
                CC: youennf at gmail.com

On Safari 15.1 running on MacOS Monterey

1) Navigate to https://webrtc.github.io/samples/src/content/peerconnection/change-codecs/
2) Click Start (this acquire user media)
3) Click Call (this establishes webrtc call)
4) Using developer console disable Local Video track using:

localStream.getVideoTracks()[0].enabled = false

5) Notice that Safari crashes and reloads the page.



Note: this happens only when using default (H264 codec) if codec preferences was changed to VP8, crash does not happen.

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