[cairo-bugs] [Bug 91271] New: Conditional jump or move depends on uninitialised value(s) in composite_traps()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91271

            Bug ID: 91271
           Summary: Conditional jump or move depends on uninitialised
                    value(s) in composite_traps()
           Product: cairo
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: chris at chris-wilson.co.uk
          Reporter: mcatanzaro at gnome.org
        QA Contact: cairo-bugs at cairographics.org

I see this complaint from Valgrind when starting Epiphany using cairo
1.14.2-1.fc22:

==18581== Thread 1:
==18581== Conditional jump or move depends on uninitialised value(s)
==18581==    at 0xAF68A9D: composite_traps
(cairo-xlib-render-compositor.c:1888)
==18581==    by 0xAF4FB44: composite_traps (cairo-traps-compositor.c:1098)
==18581==    by 0xAF4FB44: composite_mask_clip (cairo-traps-compositor.c:2035)
==18581==    by 0xAF5014C: create_composite_mask (cairo-traps-compositor.c:477)
==18581==    by 0xAF5121C: clip_and_composite_with_mask
(cairo-traps-compositor.c:548)
==18581==    by 0xAF5121C: clip_and_composite (cairo-traps-compositor.c:1039)
==18581==    by 0xAF515E1: _cairo_traps_compositor_mask
(cairo-traps-compositor.c:2102)
==18581==    by 0xAEF7038: _cairo_compositor_mask (cairo-compositor.c:106)
==18581==    by 0xAF3F8AB: _cairo_surface_mask (cairo-surface.c:2166)
==18581==    by 0xAEFF083: _cairo_gstate_mask (cairo-gstate.c:1142)
==18581==    by 0xAEF1A80: cairo_mask (cairo.c:2066)
==18581==    by 0x9C068FB: mask_surface_repeat (gtkcssshadowvalue.c:386)
==18581==    by 0x9C069CA: gtk_css_shadow_value_finish_drawing
(gtkcssshadowvalue.c:412)
==18581==    by 0x9C06AFC: draw_shadow (gtkcssshadowvalue.c:644)

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