https://bugzilla.gnome.org/show_bug.cgi?id=789564
Bug ID: 789564
Summary: segfault in _gdk_wayland_cursor_set_scale
Classification: Platform
Product: gtk+
Version: unspecified
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: Backend: Wayland
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected], [email protected]
GNOME version: ---
Created attachment 362419
--> https://bugzilla.gnome.org/attachment.cgi?id=362419&action=edit
backtrace
I consistently see a segfault in _gdk_wayland_cursor_set_scale using an app
(virt-viewer). cursor->name is NULL and g_str_equal tries to dereference it,
see backtrace attached. This is with 3.22.4, but should happen in master as
well.
Commit db49d12fcf3 standarized the name of blank cursors to "none" in
_gdk_wayland_display_get_cursor_for_name_with_scale.
I assume the problem is that _gdk_wayland_display_get_cursor_for_surface can
still create a blank cursor with NULL name.
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