opensips 1.7.2 crash

(gdb) bt
#0  dlg_ping_routine (ticks=<value optimized out>, attr=<value optimized out>) at dlg_timer.c:558
#1  0x000000000047742a in timer_ticker () at timer.c:355
#2  run_timer_process () at timer.c:425
#3  start_timer_processes () at timer.c:522
#4  0x0000000000428112 in main_loop (argc=<value optimized out>, argv=<value optimized out>) at main.c:929
#5  main (argc=<value optimized out>, argv=<value optimized out>) at main.c:1490
(gdb) info r
rax            0x0	0
rbx            0x6c8948e8245c8948	7820862389785233736
rcx            0x765a30	7756336
rdx            0x0	0
rsi            0x7e3968	8272232
rdi            0x7657c0	7755712
rbp            0x7f95e5cdcf60	0x7f95e5cdcf60
rsp            0x7fffa23ffbf0	0x7fffa23ffbf0
r8             0x7e3950	8272208
r9             0x23	35
r10            0xffffffed	4294967277
r11            0x0	0
r12            0x7fffa23ffc38	140735915490360
r13            0x186a0	100000
r14            0x0	0
r15            0xa	10
rip            0x7f95e8c22819	0x7f95e8c22819 <dlg_ping_routine+377>
eflags         0x10206	[ PF IF RF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0
(gdb)