[Webkit-unassigned] [Bug 172450] New: [GTK] Flash crashes after reload of Spotify website

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172450

            Bug ID: 172450
           Summary: [GTK] Flash crashes after reload of Spotify website
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P3
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: janousek.jiri at gmail.com
                CC: bugs-noreply at webkitgtk.org

I've received a bug report from an user who runs Spotify in my WebKitGTK+-based app. The website initially works perfectly but the PluginProcess2 with Flash (25.0.0.148) crashes when page is reloaded. He can reproduce the issue also with WebKitGTK+ 2.16.2 MiniBrowser `/usr/libexec/webkit2gtk-4.0/MiniBrowser https://play.spotify.com/browse` with following stderr warnings:


(WebKitPluginProcess2:82): GLib-GObject-WARNING **: cannot register existing type 'CustomSignalsUnix'
(WebKitPluginProcess2:82): GLib-GObject-CRITICAL **: g_object_new: assertion 'G_TYPE_IS_OBJECT (object_type)' failed
(WebKitPluginProcess2:82): GLib-GObject-WARNING **: invalid (NULL) pointer instance
(WebKitPluginProcess2:82): GLib-GObject-CRITICAL **: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

Do you have any clue what went wrong? If you need any more information, don't hesitate to ask. I cannot reproduce the issue but the user is responsive. Thank you.

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