#0  0xb7452698 in meetme_cmd (fd=179, argc=3, argv=0xb6daf160) at strings.h:35
35              return (!s || (*s == '\0'));
(gdb) bt
#0  0xb7452698 in meetme_cmd (fd=179, argc=3, argv=0xb6daf160) at strings.h:35
#1  0x0808b2de in ast_cli_command (fd=179, s=0x31324033 <Address 0x31324033 out of bounds>) at cli.c:1987
#2  0x080b2a28 in action_command (s=0xb6963c80, m=0xb6dafc50) at manager.c:1611
#3  0x080b6a88 in process_message (s=0xb6963c80, m=0xb6dafc50) at manager.c:2040
#4  0x080b7672 in do_message (s=0xb6963c80) at manager.c:2131
#5  0x080b76a7 in session_do (data=0xb6963c80) at manager.c:2147
#6  0x080f6d45 in dummy_start (data=0xb6976140) at utils.c:545
#7  0xb7eeace1 in pthread_start_thread () from /lib/i686/libpthread.so.0
#8  0xb7e5dd3a in clone () from /lib/i686/libc.so.6
(gdb) bt full
#0  0xb7452698 in meetme_cmd (fd=179, argc=3, argv=0xb6daf160) at strings.h:35
        concise = 0
        cnf = Variable "cnf" is not available.
(gdb) thread apply all bt

Thread 60 (process 5472):
#0  0x00000296 in ?? ()
Cannot access memory at address 0x0
0xb7452698      35              return (!s || (*s == '\0'));
(gdb) q