optimized out, alas. But:
(gdb) frame 9
#9 surface_from_pixmap (xdisplay=xdisplay@entry=0x56149472f000,
xpixmap=xpixmap@entry=31457330, height=<optimized out>,
width=<optimized out>) at x11/iconcache.c:325
325 return cairo_xlib_surface_create_with_xrender_format (xdisplay,
xpixmap, DefaultScreenOfDisplay (xdisplay),
(gdb) list
320
321 if (!XGetGeometry (xdisplay, xpixmap, &root_return,
322 &x_ret, &y_ret, &w_ret, &h_ret, &bw_ret,
&depth_ret))
323 return NULL;
324
325 return cairo_xlib_surface_create_with_xrender_format (xdisplay,
xpixmap, DefaultScreenOfDisplay (xdisplay),
326
pict_format_for_depth (xdisplay, depth_ret), w_ret, h_ret);
327 }
328
329 static gboolean
(gdb) print depth_ret
$2 = 16
So, not corrupt, just not handled?
FWIW, see also https://bugzilla.redhat.com/show_bug.cgi?id=1239129
I'm having a little trouble believing my screen was using 16 bit mode,
could one of the cached icons have been 16 bits?
** Bug watch added: Red Hat Bugzilla #1239129
https://bugzilla.redhat.com/show_bug.cgi?id=1239129
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https://bugs.launchpad.net/bugs/1766938
Title:
gnome-shell crashed in standard_pict_format_for_depth()
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