Program terminated with signal SIGSEGV, Segmentation fault. #0 0x5063cd78 in __vfprintf (fp=, locale=, fmt0=, ap=) at /usr/clang10-src/lib/libc/stdio/vfprintf.c:489 489 /usr/clang10-src/lib/libc/stdio/vfprintf.c: No such file or directory. (gdb) bt #0 0x5063cd78 in __vfprintf (fp=, locale=, fmt0=, ap=) at /usr/clang10-src/lib/libc/stdio/vfprintf.c:489 #1 0x50588520 in vsnprintf_l (str=, n=, locale=, fmt=, ap=) at /usr/clang10-src/lib/libc/stdio/vsnprintf.c:80 #2 vsnprintf (str=0xffffc1ec "P\v8\004P\r\201\210\377\377\302\240P\t\371\034", n=0x400, fmt=0x3 , ap=0xffffc678) at /usr/clang10-src/lib/libc/stdio/vsnprintf.c:89 #3 0x5017c52c in Fssh_do_log (level=SYSLOG_LEVEL_INFO, fmt=0x3 , args=0xffffc678) at /usr/clang10-src/crypto/openssh/log.c:454 #4 0x5017c818 in Fssh_logit (fmt=) at /usr/clang10-src/crypto/openssh/log.c:204 #5 0x5015a5e8 in Fssh_atomicio6 (f=0x1004083c , fd=0x3, _s=0x509c6100, n=0x25, cb=0x0, cb_arg=0x0) at /usr/clang10-src/crypto/openssh/atomicio.c:65 #6 0x5015a704 in Fssh_atomicio (f=, fd=, _s=, n=) at /usr/clang10-src/crypto/openssh/atomicio.c:94 #7 0x10030ee4 in send_client_banner (connection_out=0x3, minor1=) at /usr/clang10-src/crypto/openssh/sshconnect.c:617 #8 ssh_exchange_identification (timeout_ms=) at /usr/clang10-src/crypto/openssh/sshconnect.c:639 #9 0x10032cb8 in ssh_login (sensitive=0x10063904 , orighost=, hostaddr=0x509c6180, port=0x1006, pw=, timeout_ms=) at /usr/clang10-src/crypto/openssh/sshconnect.c:1422 #10 0x10022f94 in main (ac=, av=) at /usr/clang10-src/crypto/openssh/ssh.c:1502