Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) run
Starting program: /usr/local/src/Tools/newsbeuter-svn/newsbeuter 
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff2edfd000
[Thread debugging using libthread_db enabled]
[New Thread 0x2aee7f20af60 (LWP 24092)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x2aee7f20af60 (LWP 24092)]
0x00002aee7d4e1ad0 in strlen () from /lib/libc.so.6
(gdb) bt
#0  0x00002aee7d4e1ad0 in strlen () from /lib/libc.so.6
#1  0x00002aee7d4b26f4 in vfprintf () from /lib/libc.so.6
#2  0x00002aee7d4d47ba in vsnprintf () from /lib/libc.so.6
#3  0x000000000046ce2c in newsbeuter::utils::strprintf (format=0x4a2e9e "Starting %s %s...") at src/utils.cpp:589
#4  0x000000000042c424 in newsbeuter::controller::run (this=0x7fff2ec05600, argc=1, argv=0x7fff2ec05828)
    at src/controller.cpp:185
#5  0x0000000000408ea9 in main (argc=1, argv=0x7fff2ec05828) at newsbeuter.cpp:24
(gdb) up
#1  0x00002aee7d4b26f4 in vfprintf () from /lib/libc.so.6
(gdb) up
#2  0x00002aee7d4d47ba in vsnprintf () from /lib/libc.so.6
(gdb) up
#3  0x000000000046ce2c in newsbeuter::utils::strprintf (format=0x4a2e9e "Starting %s %s...") at src/utils.cpp:589
589		vsnprintf(buf, len + 1, format, ap);
(gdb) print format
$1 = 0x4a2e9e "Starting %s %s..."
(gdb) print ap
$2 = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fff2ec04f70, reg_save_area = 0x7fff2ec04ea0}}
(gdb) print buf
$3 = 0x765100 "Starting  "
(gdb) print len
$4 = 26
(gdb) quit