/usr/bin/openssl ocsp -issuer bla.sub+ca -cert bla.crt -url http://ocsp.startssl.com/sub/class2/server/ca -header Host ocsp.startssl.com -respout /tmp/ocsp.rv8rDSvf6f

gistfile1.txt

# gdb /usr/bin/openssl openssl.core 
GNU gdb 6.3
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This GDB was configured as "amd64-unknown-openbsd5.9"...(no debugging symbols found)

Core was generated by `openssl'.
Program terminated with signal 6, Aborted.
(no debugging symbols found)
Loaded symbols for /usr/bin/openssl
Reading symbols from /usr/lib/libssl.so.38.0...done.
Loaded symbols for /usr/lib/libssl.so.38.0
Reading symbols from /usr/lib/libcrypto.so.37.0...done.
Loaded symbols for /usr/lib/libcrypto.so.37.0
Reading symbols from /usr/lib/libc.so.84.2...done.
Loaded symbols for /usr/lib/libc.so.84.2
Reading symbols from /usr/libexec/ld.so...done.
Loaded symbols for /usr/libexec/ld.so
#0  0x0000097f05f7a4ba in socket () at <stdin>:2
2       <stdin>: No such file or directory.
        in <stdin>
(gdb) bt
#0  0x0000097f05f7a4ba in socket () at <stdin>:2
#1  0x0000097f05f74707 in sockaddr_connect (sa=0x97e94810740, socktype=Variable "socktype" is not available.
) at /usr/src/lib/libc/asr/res_send_async.c:307
#2  0x0000097f05f74cf4 in res_send_async_run (as=0x97ee8c09300, ar=0x7f7ffffd1640)
    at /usr/src/lib/libc/asr/res_send_async.c:425
#3  0x0000097f05f7657a in *_libc_asr_run (as=0x97ee8c09300, ar=0x7f7ffffd1640) at /usr/src/lib/libc/asr/asr.c:148
#4  0x0000097f05f54266 in res_search_async_run (as=0x97ee8c09c00, ar=0x7f7ffffd1640)
    at /usr/src/lib/libc/asr/res_search_async.c:141
#5  0x0000097f05f7657a in *_libc_asr_run (as=0x97ee8c09c00, ar=0x7f7ffffd1640) at /usr/src/lib/libc/asr/asr.c:148
#6  0x0000097f05f53605 in gethostnamadr_async_run (as=0x97f69658200, ar=0x7f7ffffd1640)
    at /usr/src/lib/libc/asr/gethostnamadr_async.c:278
#7  0x0000097f05f7657a in *_libc_asr_run (as=0x97f69658200, ar=0x7f7ffffd1640) at /usr/src/lib/libc/asr/asr.c:148
#8  0x0000097f05f765e3 in *_libc_asr_run_sync (as=0x97f69658200, ar=0x7f7ffffd1640) at /usr/src/lib/libc/asr/asr.c:174
#9  0x0000097f05f52f7d in *_libc_gethostbyname2 (name=0x97e94810fa0 "ocsp.startssl.com", af=2)
    at /usr/src/lib/libc/asr/gethostnamadr.c:119
#10 0x0000097e962b94bd in BIO_get_host_ip (str=0x97e94810fa0 "ocsp.startssl.com", ip=0x97ebbd4e91c "")
    at /usr/src/lib/libcrypto/crypto/../../libssl/src/crypto/bio/b_sock.c:90
#11 0x0000097e9628fcad in conn_state (b=0x97ee8c08a00, c=0x97ebbd4e900)
    at /usr/src/lib/libcrypto/crypto/../../libssl/src/crypto/bio/bss_conn.c:169
#12 0x0000097e962900ba in conn_ctrl (b=0x97ee8c08a00, cmd=Variable "cmd" is not available.
)
    at /usr/src/lib/libcrypto/crypto/../../libssl/src/crypto/bio/bss_conn.c:447
#13 0x0000097c94433f43 in enc_main () from /usr/bin/openssl
#14 0x0000097c94435c24 in enc_main () from /usr/bin/openssl
#15 0x0000097c94437406 in enc_main () from /usr/bin/openssl
#16 0x0000097c94437d0b in enc_main () from /usr/bin/openssl
#17 0x0000097c9441df21 in ?? () from /usr/bin/openssl
#18 0x0000000000000000 in ?? ()
Current language:  auto; currently asm
(gdb)