maxammann

@maxammann.bsky.social

Security researcher and open-source enthusiast, volunteer at Digitalfabrik

Stability in AFL++/LibAFL is quantified by the percentage of edges in the target that are considered “stable”. If repeatedly sending identical inputs results in the data traversing the same path through the target each time, then the stability is determined to be 100%.

I thought I'd share some fuzzing tips. In AFL, filename of a crash gives rough information about where it originated. The name id:000000,sig:06,src:000002,time:286,execs:13105,op:havoc,rep:4 indicates that the crash with ID 0 caused a signal 6 in the target program...

AFL++

AFL++ # The AFL++ fuzzer is a fork from the AFL fuzzer. It offers better fuzzing performance and more advanced features while still being a very stable alternative to libFuzzer. A major benefit over l...

appsec.guide

Just submitted my first small kernel patch 🎉 I have to admit the experience was both intimidating and only partially clear. I included typos, sent the patch only to maintainers and not the mailinglist and top-posted - all no-goes 😓