Starting program: /home/kartz/main Missing separate debuginfos, use: debuginfo-install glibc-2.17-326.el7_9.x86_64 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7f5bb19 in start_connect (cf=0x457b50,  data=0x42a9d0, remotehost=0x0)  at /home/kartz/curl/lib/connect.c:780 780 ai_family0 = remotehost->addr? Missing separate debuginfos, use: debuginfo-install keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.15.1-55.el7_9.x86_64 libcom_err-1.42.9-19.el7.x86_64 libselinux-2.5-15.el7.x86_64 openssl-libs-1.0.2k-26.el7_9.x86_64 pcre-8.32-17.el7.x86_64 zlib-1.2.7-21.el7_9.x86_64 #0 0x00007ffff7f5bb19 in start_connect (cf=0x457b50,  data=0x42a9d0, remotehost=0x0)  at /home/kartz/curl/lib/connect.c:780 ctx = 0x453320 conn = 0x43f770 result = CURLE_COULDNT_CONNECT ai_family0 = 0 ai_family1 = 0 timeout_ms = 294872 addr0 = 0x3004012f0 addr1 = 0x7ffff7f5c79b <cf_happy_eyeballs_create+149> #1 0x00007ffff7f5c000 in cf_he_connect (cf=0x457b50,  data=0x42a9d0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/connect.c:898 ctx = 0x453320 result = CURLE_OK #2 0x00007ffff7f57f79 in Curl_conn_cf_connect (cf=0x457b50,  data=0x42a9d0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/cfilters.c:307 No locals. #3 0x00007ffff7f5c9ab in cf_setup_connect (cf=0x457b20,  data=0x42a9d0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/connect.c:1199 ctx = 0x43f390 result = CURLE_OK #4 0x00007ffff7f57f79 in Curl_conn_cf_connect (cf=0x457b20,  data=0x42a9d0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/cfilters.c:307 No locals. #5 0x00007ffff7f52014 in cf_hc_baller_connect (b=0x8e6978,  cf=0x8e87d0, data=0x42a9d0, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/cf-https-connect.c:135 save = 0x0 #6 0x00007ffff7f52903 in cf_hc_connect (cf=0x8e87d0,  data=0x42a9d0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/cf-https-connect.c:287  ctx = 0x8e6920 now = {tv_sec = 18162143, tv_usec = 989669} result = CURLE_OK #7 0x00007ffff7f5810f in Curl_conn_connect (data=0x42a9d0,  sockindex=0, blocking=false, done=0x7fffffffdb8f)  at /home/kartz/curl/lib/cfilters.c:353 cf = 0x8e87d0 result = CURLE_OK #8 0x00007ffff7f8882d in multi_runsingle (multi=0x428220,  nowp=0x7fffffffdcc0, data=0x42a9d0)  at /home/kartz/curl/lib/multi.c:2144 stream_error = false msg = 0x0 connected = false async = false protocol_connected = false dophase_done = false rc = CURLM_OK result = CURLE_OK recv_timeout_ms = 4500736 send_timeout_ms = 989098 control = 32767 #9 0x00007ffff7f89aa8 in curl_multi_perform ( multi=0x428220, running_handles=0x7fffffffdd1c)  at /home/kartz/curl/lib/multi.c:2776 datanext = 0x42bcc0 result = CURLM_OK nosig = false pipe_st = {old_pipe_act = {__sigaction_handler = { sa_handler = 0x0, sa_sigaction = 0x0},  sa_mask = {__val = {0, 0, 0, 4491656, 0,  4199152, 140737488346688, 140737488345888,  140737349032493, 140737488345872,  140737353747854, 18162143, 988958, 18162144,  140733193494429, 140737488345920}},  sa_flags = 67108864,  sa_restorer = 0x7ffff7a43400 <__restore_rt>},  no_signal = false}  data = 0x42a9d0 returncode = CURLM_OK t = 0x7ffff7f89e89 <curl_multi_info_read+88> now = {tv_sec = 18162143, tv_usec = 989098} #10 0x00000000004015e3 in main () at /home/kartz/test.c:35 code = 0 index = 15 running = 23 msg = 0x0 left = 0 curl = 0x426fd0 curl_multi = 0x428220