Seems fixed, no more crashes!
The output: ``` Call-I+: 1-670@127.0.0.1 CSeq: 2 INVITE Contact.0.1:5061 Max-Forward] 0(26164) WARNING: <core> [core/receive.c:317]: receive_msg(): parsing relevant headers failed 0(26164) ERROR: <core> [core/parser/msg_parser.c:397]: parse_headers(): duplicate From header field [From: sip:30@127.0.0.1;tag=: To: sip:33@127.0.0.1;tag=gggggggg���������������������������������] 0(26164) ERROR: pv [pv_core.c:1965]: pv_get_hdr(): error parsing headers 0(26164) ERROR: <core> [core/parser/msg_parser.c:397]: parse_headers(): duplicate From header field [From: sip:30@127.0.0.1;tag=: To: sip:33@127.0.0.1;tag=gggggggg���������������������������������] 0(26164) ERROR: pv [pv_core.c:731]: pv_get_callid(): cannot parse Call-Id header 0(26164) ERROR: {1 <null> <null>} <core> [core/parser/msg_parser.c:397]: parse_headers(): duplicate From header field [From: sip:30@127.0.0.1;tag=: To: sip:33@127.0.0.1;tag=gggggggg���������������������������������] 0(26164) ERROR: {1 <null> <null>} maxfwd [mf_funcs.c:51]: is_maxfwd_present(): parsing MAX_FORWARD header failed! 0(26164) ERROR: {1 <null> <null>} <core> [core/parser/msg_parser.c:397]: parse_headers(): duplicate From header field [From: sip:30@127.0.0.1;tag=: To: sip:33@127.0.0.1;tag=gggggggg���������������������������������] 0(26164) ERROR: {1 <null> <null>} <core> [core/msg_translator.c:2394]: build_res_buf_from_sip_req(): alas, parse_headers failed ```