How to use crashwalk

crashwalk can check to quickly determine which crashes may lead to exploitable or not.


  1. Install gdb and golang by apt
  2. Download
  3. Install crashwalk
$ sudo apt install gdb golang
$ mkdir ~/src
$ cd ~/src
$ git clone
$ go get -u


crashwalk can be used immediately if there is a path of AFL crash outputs.

For example, I will show using crashwalk on ./target.

$ cwtriage -root ./output/crashes -match id -- ./target @@

crashwalk will output crash result to crashwalk.db.

If you want to output to txt file, you can use the following command.

$ cwtriage -root ./output/crashes -match id -- ./target @@ > result.txt

How to read crashwalk.db

crashwalk built-in cwdump. This tool get a summary of the crashes on crashwalk.db.

$ cwdump ./crashwalk.db

Happy fuzzing!

tags: Fuzzing