# Example out_of_memory
If your code triggers OOM, then ckb-debugger will print out the function call stack:
```sh
$ make out_of_memory
$ ckb-debugger --bin out_of_memory
??:??:??
/home/ubuntu/src/ckb-standalone-debugger/ckb-debugger/examples/ckb-c-stdlib/libc/entry.h:9:_start
/home/ubuntu/src/ckb-standalone-debugger/ckb-debugger/examples/out_of_memory.c:25:main
/home/ubuntu/src/ckb-standalone-debugger/ckb-debugger/examples/out_of_memory.c:21:c
/home/ubuntu/src/ckb-standalone-debugger/ckb-debugger/examples/out_of_memory.c:17:b
/home/ubuntu/src/ckb-standalone-debugger/ckb-debugger/examples/out_of_memory.c:7:a
pc : 0x 12D28
zero: 0x 0 ra : 0x 12D3E sp : 0x 3FFFA0 gp : 0x 146E8
tp : 0x 0 t0 : 0x 0 t1 : 0x 0 t2 : 0x 0
s0 : 0x 3FFFB0 s1 : 0x 0 a0 : 0x 0 a1 : 0x 400000
a2 : 0x 0 a3 : 0x 0 a4 : 0x 0 a5 : 0x 0
a6 : 0x 0 a7 : 0x 0 s2 : 0x 0 s3 : 0x 0
s4 : 0x 0 s5 : 0x 0 s6 : 0x 0 s7 : 0x 0
s8 : 0x 0 s9 : 0x 0 s10 : 0x 0 s11 : 0x 0
t3 : 0x 0 t4 : 0x 0 t5 : 0x 0 t6 : 0x 0
Error: MemOutOfBound
```
