Crash in dhparam_cb () about luasec HOT 5 CLOSED

#0  0x00005568a670cb3b in luaS_newlstr (L=L@entry=0x5568a8401c30, str=str@entry=0x7fafc6de4021 "SSL:Verify:Registry", l=19) at lstring.c:82
        o = <optimized out>
        h = 1821639967
        step = 1
        l1 = 0
#1  0x00005568a6703dec in lua_getfield (L=L@entry=0x5568a8401c30, idx=idx@entry=-10000, k=k@entry=0x7fafc6de4021 "SSL:Verify:Registry") at lapi.c:550
        i_o = 0x7ffd49fbc450
        t = 0x5568000000a4
        key = {
          value = {
            gc = 0x0,
            p = 0x0,
            n = 0,
            b = 0
          },
          tt = 1
        }
#2  0x00007fafc6de2ab0 in cert_verify_cb (x509_ctx=0x5568a92ebaf0, ptr=0x5568a8bfbc20) at src/context.c:225
        verify = <optimized out>
        L = 0x5568a8401c30
        ctx = 0x5568a8bfbc20
        pctx = <optimized out>
#3  0x00007fafc6b962ee in ?? () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
#4  0x00007fafc6ba8acb in ?? () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
(More stack frames follow...)
(gdb) bt full 12
#0  0x00005568a670cb3b in luaS_newlstr (L=L@entry=0x5568a8401c30, str=str@entry=0x7fafc6de4021 "SSL:Verify:Registry", l=19) at lstring.c:82
        o = <optimized out>
        h = 1821639967
        step = 1
        l1 = 0
#1  0x00005568a6703dec in lua_getfield (L=L@entry=0x5568a8401c30, idx=idx@entry=-10000, k=k@entry=0x7fafc6de4021 "SSL:Verify:Registry") at lapi.c:550
        i_o = 0x7ffd49fbc450
        t = 0x5568000000a4
        key = {
          value = {
            gc = 0x0,
            p = 0x0,
            n = 0,
            b = 0
          },
          tt = 1
        }
#2  0x00007fafc6de2ab0 in cert_verify_cb (x509_ctx=0x5568a92ebaf0, ptr=0x5568a8bfbc20) at src/context.c:225
        verify = <optimized out>
        L = 0x5568a8401c30
        ctx = 0x5568a8bfbc20
        pctx = <optimized out>
#3  0x00007fafc6b962ee in ?? () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
#4  0x00007fafc6ba8acb in ?? () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
#5  0x00007fafc6ba62cf in ?? () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
#6  0x00007fafc6b9e9f1 in SSL_do_handshake () from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
No symbol table info available.
#7  0x00007fafc6de10ee in handshake (ssl=0x5568a9346238) at src/ssl.c:119
        err = <optimized out>
        tm = 0x5568a9348298
#8  meth_handshake (L=0x5568a7cef010) at src/ssl.c:386
        ssl = 0x5568a9346238
#9  0x00005568a67068a0 in luaD_precall (L=L@entry=0x5568a7cef010, func=func@entry=0x5568a936fea0, nresults=nresults@entry=2) at ldo.c:320
        ci = <optimized out>
        n = <optimized out>
        cl = <optimized out>
        funcr = <optimized out>
#10 0x00005568a67101b2 in luaV_execute (L=L@entry=0x5568a7cef010, nexeccalls=2, nexeccalls@entry=1) at lvm.c:591
        b = <optimized out>
        nresults = 2
        i = <optimized out>
        ra = 0x5568a936fea0
        cl = 0x5568a7d2ef40
        base = <optimized out>
        k = 0x5568a7db10c0
        pc = 0x5568a7d37a44
#11 0x00005568a6706d1d in luaD_call (L=0x5568a7cef010, func=0x5568a7cf7210, nResults=<optimized out>) at ldo.c:378
No locals.
(More stack frames follow...)