OpenSIPs 3.1 - Crash _unref_dlg

#0  0x00007f3337834802 in _unref_dlg (dlg=0x7f333ffeb888, cnt=1) at dlg_hash.c:1001
        d_entry = <optimized out>
        __FUNCTION__ = "_unref_dlg"
#1  0x00007f33393fc6a3 in empty_tmcb_list (head=head@entry=0x7f334ae9d720) at t_hooks.c:53
        cbp = 0x0
        cbp_tmp = 0x7f33448b7e88
        __FUNCTION__ = "empty_tmcb_list"
#2  0x00007f33393d1a9b in free_cell (dead_cell=0x7f334ae9d6b0) at h_table.c:127
        b = <optimized out>
        i = <optimized out>
        rpl = <optimized out>
        tt = <optimized out>
        foo = <optimized out>
        p = <optimized out>
        __FUNCTION__ = "free_cell"
#3  0x00007f33393d486b in free_hash_table () at h_table.c:357
        p_cell = <optimized out>
        tmp_cell = 0x0
        i = 681
        __FUNCTION__ = "free_hash_table"
#4  0x00007f33393cd955 in tm_shutdown () at t_funcs.c:91
        __FUNCTION__ = "tm_shutdown"
#5  0x00000000004aaa84 in destroy_modules () at sr_module.c:544
        t = 0x7f337d363fd0
        foo = 0x7f337d363ec0
        __FUNCTION__ = "destroy_modules"
#6  0x00000000004a70fd in cleanup (show_status=show_status@entry=1) at main.c:366
        __FUNCTION__ = "cleanup"
#7  0x0000000000417625 in shutdown_opensips (status=status@entry=139) at main.c:530
        proc = <optimized out>
        i = 0
        n = 3
        p = <optimized out>
        chld_status = 0
        __FUNCTION__ = "shutdown_opensips"
#8  0x00000000004a7b87 in handle_sigs () at main.c:613
        chld = 0
        chld_status = 139
        overall_status = 139
        i = <optimized out>
        do_exit = 1
        __FUNCTION__ = "handle_sigs"
#9  0x000000000041e8b1 in main_loop () at main.c:870
        startup_done = <optimized out>
        chd_rank = 39
        last_check = 0
        rc = <optimized out>
#10 main (argc=<optimized out>, argv=<optimized out>) at main.c:1491
        c = <optimized out>
        r = <optimized out>
        tmp = 0x7ffce7a79ef1 ""
        tmp_len = <optimized out>
        port = <optimized out>
        proto = <optimized out>
        protos_no = <optimized out>
        options = 0x5a8400 "f:cCm:M:b:l:n:N:rRvdDFEVhw:t:u:g:p:P:G:W:o:a:k:s:"
        seed = 3464168910
        rfd = <optimized out>
        __FUNCTION__ = "main"

#========================
bt

#0  0x00007f3337834802 in _unref_dlg (dlg=0x7f333ffeb888, cnt=1) at dlg_hash.c:1001
#1  0x00007f33393fc6a3 in empty_tmcb_list (head=head@entry=0x7f334ae9d720) at t_hooks.c:53
#2  0x00007f33393d1a9b in free_cell (dead_cell=0x7f334ae9d6b0) at h_table.c:127
#3  0x00007f33393d486b in free_hash_table () at h_table.c:357
#4  0x00007f33393cd955 in tm_shutdown () at t_funcs.c:91
#5  0x00000000004aaa84 in destroy_modules () at sr_module.c:544
#6  0x00000000004a70fd in cleanup (show_status=show_status@entry=1) at main.c:366
#7  0x0000000000417625 in shutdown_opensips (status=status@entry=139) at main.c:530
#8  0x00000000004a7b87 in handle_sigs () at main.c:613
#9  0x000000000041e8b1 in main_loop () at main.c:870
#10 main (argc=<optimized out>, argv=<optimized out>) at main.c:1491