Comment 2 for bug 1486933

I can cause a segfault with test.pcb this way:

1: open test.pcb

2: Connects-> erase ratsnest.

3: Draw rat from a-10 to B-8

4: Connects -> autoroute all rats

strace output attached

gdb backtrace:

(gdb) backtrace
#0 0x000000000043a128 in ?? ()
#1 0x000000000043dba5 in AutoRoute ()
#2 0x0000000000430ebf in ?? ()
#3 0x000000000049f479 in hid_actionv ()
#4 0x000000000049fa1a in ?? ()
#5 0x00000000004cf588 in ?? ()
#6 0x00007ffff5f862d5 in g_closure_invoke ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7 0x00007ffff5f9803c in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8 0x00007ffff5fa0698 in g_signal_emit_valist ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9 0x00007ffff5fa08ff in g_signal_emit ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007ffff6da98d0 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#11 0x00007ffff5f86504 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007ffff5f9ffa7 in g_signal_emit_valist ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007ffff5fa08ff in g_signal_emit ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007ffff6f7dc56 in gtk_widget_activate ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#15 0x00007ffff6e7998d in gtk_menu_shell_activate_item ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#16 0x00007ffff6e79d2b in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#17 0x00007ffff6e67a7f in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#18 0x00007ffff5f862d5 in g_closure_invoke ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007ffff5f97f32 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007ffff5fa01a5 in g_signal_emit_valist ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007ffff5fa08ff in g_signal_emit ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff6f7eecc in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#23 0x00007ffff6e661c4 in gtk_propagate_event ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#24 0x00007ffff6e6665b in gtk_main_do_event ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#25 0x00007ffff6ad9bbc in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#26 0x00007ffff73c8c3d in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007ffff73c8f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007ffff73c9242 in g_main_loop_run ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007ffff6e655d7 in gtk_main ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#30 0x00000000004d1072 in ghid_do_export ()
#31 0x0000000000426b7e in main ()