158799 2016-06-15 10:54:44 -0700 gUM crashes when creating a MediaStream with only an audio or only a video MediaStreamTrack 2016-11-10 17:15:59 -0800 1 1 1 Unclassified WebKit Media Other All Other RESOLVED INVALID https://bugs.webkit.org/show_bug.cgi?id=43239 InRadar P2 Normal --- 1 gruan webkit-unassigned eric.carlson webkit-bug-importer oldest_to_newest 1202628 0 gruan 2016-06-15 10:54:44 -0700 http://www.w3.org/TR/mediacapture-streams/#methods-5 Currently, the implementation of gUM expects - The parameter to gUM to have both audio and video constraints to have non-falsy values. - Both a video and audio source to be available. The implementation crashes since UserMediaRequest::constraintsValidated expects defined parameters audioSource and videoSource. 1202629 1 webkit-bug-importer 2016-06-15 10:57:46 -0700 <rdar://problem/26817452> 1250070 2 eric.carlson 2016-11-10 17:15:59 -0800 This turned out to be a bug in unrelated code.