core_print_all_handles segfault ...

gistfile1.txt

✔ fs_link: 5/5 within 0.428 ms
✔ fs_fsync: 7/7 within 0.233 ms
✔ test core now: 2/2 within 0.007 ms
✔ test core get_process_title: 1/1 within 0.006 ms
[R--] timer    0x100330918
[---] <unknown> 0x4ddb0

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: 13 at address: 0x0000000000000000
0x000000010004022e in uv__print_handles (loop=0x1003306c0, only_active=0) at uv-common.c:348
348         switch (h->type) {
(gdb) bt
#0  0x000000010004022e in uv__print_handles (loop=0x1003306c0, only_active=0) at uv-common.c:348
#1  0x000000010004045f in uv_print_all_handles (loop=0x1003306c0) at uv-common.c:367
#2  0x00000001000105d9 in core_print_all_handles (L=0x41378) at lev_new_core.c:392
#3  0x000000010005c5d6 in lj_BC_FUNCC ()
Previous frame inner to this frame (gdb could not unwind past this frame)