(gdb) bt full
#0  0xb7463ffb in strlen () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x0805d302 in ast_variable_new (name=0x1 <Address 0x1 out of bounds>, value=0x818e89a "0") at config.c:103
        variable = (struct ast_variable *) 0x818e89a
        length = 135017477
#2  0xb704c3f9 in ?? () from /usr/lib/asterisk/modules/res_config_mysql.so
No symbol table info available.
#3  0x00000001 in ?? ()
No symbol table info available.
#4  0x0818e89a in ?? ()
No symbol table info available.
#5  0x0000002e in ?? ()
No symbol table info available.
#6  0xb704bf7c in ?? () from /usr/lib/asterisk/modules/res_config_mysql.so
No symbol table info available.