#0  0x00007fc805b05445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 15961
#1  0x00007fc805b08bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {5, 140497128345240, 31, 140497066947237, 1, 140497065480401, 5, 140497066951481, 3, 140496779366110, 2, 140497066947184, 1, 140497066956164, 3, 140496779366084}}, sa_flags = 12, sa_restorer = 0x7fc805c49588}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fc805b42e2e in __libc_message (do_abort=2, fmt=0x7fc805c4b050 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fc7f4a05840, reg_save_area = 0x7fc7f4a05750}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fc7f4a05840, reg_save_area = 0x7fc7f4a05750}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007fc805b4d626 in malloc_printerr (action=3, str=0x7fc805c48019 "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007
        buf = "00007fc7dc002f60"
        cp = <optimized out>
#4  0x00007fc8001802f5 in _gcry_free (p=0x7fc7dc002f60) at global.c:870
        save_errno = 0
#5  0x00007fc8001c9fca in _gcry_mpi_free (a=0x7fc7dc003600) at mpiutil.c:179
No locals.
#6  0x00007fc800197a78 in prime_generate_internal (need_q_factor=<optimized out>, prime_generated=0x7fc7f4a059e8, pbits=3825216992, qbits=136, g=0x0, ret_factors=0x7fc7f4a059e0, randomlevel=GCRY_STRONG_RANDOM, flags=2, all_factors=1, cb_func=0, cb_arg=0x0) at primegen.c:696
        err = GPG_ERR_NO_ERROR
        factors_new = 0x7fc7e4002de0
        factors = 0x7fc7e4001070
        poolrandomlevel = GCRY_STRONG_RANDOM
        pool = 0x7fc7e4002c00
        pool_in_use = 0x7fc7e4000ee0
        perms = 0x7fc7e4001040 "\001"
        q_factor = 0x7fc7e4000f60
        fbits = 0
        n = 5
        m = 30
        q = 0x7fc7e4000f20
        prime = 0x7fc7e4000dd0
        nprime = <optimized out>
        req_qbits = <optimized out>
        val_2 = 0x7fc7e4001670
        is_locked = 1
        is_secret = 0
        count1 = 1
        count2 = <optimized out>
        i = <optimized out>
        j = <optimized out>
#7  0x00007fc800198301 in _gcry_prime_generate (prime=0x7fc7f4a05a40, prime_bits=<optimized out>, factor_bits=<optimized out>, factors=0x7fc7f4a05a48, cb_func=0, cb_arg=0x0, random_level=GCRY_STRONG_RANDOM, flags=2) at primegen.c:1137
        err = GPG_ERR_NO_ERROR
        factors_generated = 0x0
        prime_generated = 0x0
        mode = 1
#8  0x00007fc803e4161c in wrap_gcry_generate_group (group=0x7fc7f4a05a80, bits=1024) at mpi.c:352
        g = 0x0
        prime = 0x0
        err = <optimized out>
        times = <optimized out>
        qbits = <optimized out>
        factors = 0x0
#9  0x00007fc803de42b1 in gnutls_dh_params_generate2 (params=0x7fc7e4001650, bits=<optimized out>) at gnutls_dh_primes.c:193
        ret = <optimized out>
        group = {g = 0x7fc7e4000cc8, p = 0x7fc7e4001408}
#10 0x00007fc807ce03da in net6::dh_params::dh_params (this=0x7fc7e4000ce8) at src/encrypt.cpp:149
No locals.
#11 0x00000000004a30cb in net6::basic_server<Gobby::GSelector>::basic_server (this=0x7fc7e4000cc8, __vtt_parm=<optimized out>, ipv6=<optimized out>, __in_chrg=<optimized out>) at /usr/include/net6/server.hpp:249
No locals.
#12 0x00000000004adad8 in net6::basic_host<Gobby::GSelector>::basic_host (this=0x7fc7e4000c30, username=..., ipv6=true, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/include/net6/host.hpp:85
No locals.
#13 0x00000000004adbcf in obby::basic_host_buffer<Gobby::Document, Gobby::GSelector>::new_net (this=0x7fc7e4001400) at /usr/include/obby/host_buffer.hpp:412
No locals.
#14 0x00000000004a3bb7 in obby::basic_server_buffer<Gobby::Document, Gobby::GSelector>::open (this=0x7fc7e4001608, port=6524) at /usr/include/obby/server_buffer.hpp:330
No locals.
#15 0x00000000004a3d78 in obby::basic_host_buffer<Gobby::Document, Gobby::GSelector>::open (this=0x7fc7e4001400, port=<optimized out>) at /usr/include/obby/host_buffer.hpp:183
No locals.
#16 0x00000000004a081a in Gobby::HostProgressDialog::on_thread (this=0x7fff5f862090, thread=...) at src/hostprogressdialog.cpp:90
        username = {static npos = 18446744073709551615, string_ = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x25ef9e8 "johannes"}}}
        red = 204
        green = <optimized out>
        blue = <optimized out>
        buffer = {_M_ptr = 0x7fc7e4001400}
        port = 6524
        session = {static npos = 18446744073709551615, string_ = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x743b58 ""}}}
        error = {static npos = 18446744073709551615, string_ = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x743b58 ""}}}
#17 0x00000000004854d5 in operator() (_A_a1=..., this=0x2373190) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:515
No locals.
#18 Gobby::ProgressDialog::Thread::on_thread_entry (this=0x2373180) at src/progressdialog.cpp:99
No locals.
#19 0x00007fc80837271d in operator() (this=0x2373310) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:440
No locals.
#20 (anonymous namespace)::call_thread_entry_slot (data=<optimized out>) at thread.cc:52
        slot = 0x2373310
#21 0x00007fc806a989b5 in g_thread_proxy (data=0x255d8a0) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x255d8a0
#22 0x00007fc805e93e9a in start_thread (arg=0x7fc7f4a06700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc7f4a06700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2656850088704384006, 140734796012944, 140496779372992, 35310144, 3, -2643350934443222010, -2643880410585457658}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#23 0x00007fc805bc14bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#24 0x0000000000000000 in ?? ()
No symbol table info available.