Bug 238343 – [GTK4] UI process crash in webkitWebViewBaseSnapshot when opening link from external application when browser is closed

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: WebKitGTK

[Michael Catanzaro]

Twice this morning, my web process crashed due to bug #235224. Each time this happened, the UI process also crashed:

(gdb) bt
#0  0x00007f888d10108a in webkitWebViewBaseSnapshot
    (snapshot=0x55d8daf41800 [GtkSnapshot], widget=0x55d8da5b8f30 [EphyWebView])
    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp:732
#1  webkitWebViewBaseSnapshot(GtkWidget*, GtkSnapshot*)
    (widget=0x55d8da5b8f30 [EphyWebView], snapshot=0x55d8daf41800 [GtkSnapshot])
    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp:716
#2  0x00007f8890c7acc1 in gtk_widget_create_render_node
    (widget=widget@entry=0x55d8da5b8f30 [EphyWebView], snapshot=snapshot@entry=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:11582
#3  0x00007f8890c7da0c in gtk_widget_do_snapshot
    (widget=widget@entry=0x55d8da5b8f30 [EphyWebView], snapshot=snapshot@entry=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:11622
#4  0x00007f8890c8b2c3 in gtk_widget_snapshot_child
    (widget=<optimized out>, child=0x55d8da5b8f30 [EphyWebView], snapshot=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:12043
#5  0x00007f8890b6f3bd in gtk_overlay_snapshot_child
    (snapshot=0x55d8daf41800 [GtkSnapshot], child=0x55d8da5b8f30 [EphyWebView], overlay=0x55d8da10b370 [GtkOverlay])
    at ../gtk/gtkoverlay.c:202
#6  gtk_overlay_snapshot (widget=0x55d8da10b370 [GtkOverlay], snapshot=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkoverlay.c:225
#7  0x00007f8890c7a8c0 in gtk_widget_create_render_node
    (widget=widget@entry=0x55d8da10b370 [GtkOverlay], snapshot=snapshot@entry=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:11587
#8  0x00007f8890c7da0c in gtk_widget_do_snapshot
    (widget=widget@entry=0x55d8da10b370 [GtkOverlay], snapshot=snapshot@entry=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:11622
#9  0x00007f8890c8b2c3 in gtk_widget_snapshot_child
    (widget=<optimized out>, child=0x55d8da10b370 [GtkOverlay], snapshot=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:12043
#10 0x00007f8890c8b36e in gtk_widget_real_snapshot
    (widget=0x55d8d96aabd0 [EphyEmbed], snapshot=0x55d8daf41800 [GtkSnapshot]) at ../gtk/gtkwidget.c:734
#11 0x00007f8890c7a8c0 in gtk_widget_create_render_node
    (widget=widget@entry=0x55d8d96aabd0 [EphyEmbed], snapshot=snapshot@entry=0x55d8daf41800 [GtkSnapshot])
    at ../gtk/gtkwidget.c:11587
...

I'll provide the full backtrace in an attachment. The web process crash must have occurred due to this UI process crash.

[Michael Catanzaro]

Created attachment 455669 [details]
Full backtrace

[Michael Catanzaro]

Reproducer: with Epiphany Tech Preview closed, click a link in some other application to activate Epiphany.

[Michael Catanzaro]

*** Bug 246459 has been marked as a duplicate of this bug. ***

[Michael Catanzaro]

Better backtrace in bug #246459

[Michael Catanzaro]

*** This bug has been marked as a duplicate of bug 247463 ***