[Webkit-unassigned] [Bug 249272] New: [WPE][GTK] Robustly handle subprocess leaks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249272

            Bug ID: 249272
           Summary: [WPE][GTK] Robustly handle subprocess leaks
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at gnome.org
                CC: bugs-noreply at webkitgtk.org

With no applications open on my desktop, I noticed I had 17 bwrap processes running, 18 flatpak-spawn processes, running, and 7 xdg-dbus-proxy processes. Clearly either flatpak or WebKit is leaking subprocesses. One is more likely than the other. ;) We need to investigate and figure out what is going on here.

Bug #247057 contains an example of a web process leak caused by a hang. But we should additionally improve our design to be more robust to such issues. For example, the UI process could kill web processes once the UI process is done with them, or at least on exit.

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