Index: work/bug_files/TODO/test-case-length.bt.txt
===================================================================
--- work/bug_files/TODO/test-case-length.bt.txt	(nonexistent)
+++ work/bug_files/TODO/test-case-length.bt.txt	(revision 37218)
@@ -0,0 +1,51 @@
+#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
+#1  0x00007ffff76f5859 in __GI_abort () at abort.c:79
+#2  0x00007ffff776026e in __libc_message
+    (action=action@entry=do_abort, fmt=fmt@entry=0x7ffff788a298 "%s\n")
+    at ../sysdeps/posix/libc_fatal.c:155
+#3  0x00007ffff77682fc in malloc_printerr (str=str@entry=0x7ffff78884d9 "free(): invalid size")
+    at malloc.c:5347
+#4  0x00007ffff7769b3c in _int_free (av=<optimised out>, p=0x7fffffffcc50, have_lock=0)
+    at malloc.c:4177
+#5  0x00005555557a1baa in rnd_dad_tree_modify_cell
+    (attr=0x555557190378, row=0x555556d175b0, col=3, new_val=0x7fffffffcc60 "1032.84 mil")
+    at /usr/local/include/librnd4/librnd/hid/hid_dad_tree.h:280
+#6  0x00005555557ca045 in netlist_update_len_by_row
+    (ctx=0x555555e05880 <netlist_ctx>, row=0x555556d175b0)
+    at ../src_plugins/dialogs/dlg_netlist.c:227
+#7  0x00005555557ca510 in netlist_button_cb
+    (hid_ctx=0x5555571b7020, caller_data=0x555555e05880 <netlist_ctx>, attr=0x555557193af8)
+    at ../src_plugins/dialogs/dlg_netlist.c:299
+#8  0x00007ffff7f1cb3e in button_changed_cb (button=0x5555570649d0, dst=0x555557193af8)
+    at ./librnd/plugins/lib_gtk_common/dlg_attribute.c:163
+#9  0x00007ffff7148802 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#10 0x00007ffff715c814 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+--Type <RET> for more, q to quit, c to continue without paging--
+#11 0x00007ffff7167bbe in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#12 0x00007ffff71680f3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#13 0x00007ffff730e22e in  () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#14 0x00007ffff7148802 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#15 0x00007ffff715c962 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#16 0x00007ffff7167bbe in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#17 0x00007ffff71680f3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#18 0x00007ffff730d0a9 in  () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#19 0x00007ffff73b6b9b in  () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#20 0x00007ffff7148802 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#21 0x00007ffff715bf96 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#22 0x00007ffff716747d in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#23 0x00007ffff71680f3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
+#24 0x00007ffff74d222d in  () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#25 0x00007ffff73b4ccc in gtk_propagate_event () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#26 0x00007ffff73b50c3 in gtk_main_do_event () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#27 0x00007ffff721b6d0 in  () at /lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
+#28 0x00007ffff705d17d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+#29 0x00007ffff705d400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+#30 0x00007ffff705d6f3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+#31 0x00007ffff73b4092 in gtk_main () at /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
+#32 0x00007ffff7f362a5 in rnd_gtkg_do_export
+    (hid=0x7ffff7fa9180 <gtk2_gl_hid>, design=0x555556012a60, options=0x0, appspec=0x0)
+    at ../src/librnd/plugins/lib_gtk2_common/glue_hid.c:21
+#33 0x00007ffff7e00968 in rnd_mainloop_interactive (ga=0x7fffffffdde0, design=0x555556012a60)
+    at ../src/librnd/hid/hid_init.c:1109
+#34 0x000055555564fc41 in main (argc=1, argv=0x7fffffffdfc8) at main.c:575
+