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Improvements for QEMU_Launcher (#2983)

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* Improvements for QEMU_Launcher

* fix
This commit is contained in:
Dominik Maier 2025-02-17 02:45:02 +01:00 committed by GitHub
parent 8b49d81406
commit 53004f93d6
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GPG Key ID: B5690EEEBB952194
1 changed files with 20 additions and 7 deletions
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27
fuzzers/binary_only/qemu_launcher/src/instance.rs
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@ -1,5 +1,5 @@
use core::fmt::Debug;
use std::{fs, marker::PhantomData, ops::Range, path::PathBuf, process};
use std::{fs, marker::PhantomData, ops::Range, process};
#[cfg(feature = "simplemgr")]
use libafl::events::SimpleEventManager;
@ -9,7 +9,7 @@ use libafl::{
corpus::{Corpus, HasCurrentCorpusId, InMemoryOnDiskCorpus, OnDiskCorpus},
events::{ClientDescription, EventRestarter},
executors::{Executor, ExitKind, ShadowExecutor},
feedback_or, feedback_or_fast,
feedback_and_fast, feedback_or, feedback_or_fast,
feedbacks::{CrashFeedback, MaxMapFeedback, TimeFeedback, TimeoutFeedback},
fuzzer::{Evaluator, Fuzzer, StdFuzzer},
inputs::{BytesInput, Input},
@ -185,15 +185,22 @@ impl<M: Monitor> Instance<'_, M> {
// Create an observation channel to keep track of the execution time
let time_observer = TimeObserver::new("time");
let map_feedback = MaxMapFeedback::new(&edges_observer);
let map_feedback = MaxMapFeedback::with_name("map_feedback", &edges_observer);
let map_objective = MaxMapFeedback::with_name("map_objective", &edges_observer);
let calibration = CalibrationStage::new(&map_feedback);
let calibration_cmplog = CalibrationStage::new(&map_feedback);
let stats_stage = IfStage::new(
|_, _, _, _| Ok(self.options.tui),
tuple_list!(AflStatsStage::builder()
.map_observer(&edges_observer)
.stats_file(PathBuf::from("stats.txt"))
.build()?),
);
let stats_stage_cmplog = IfStage::new(
|_, _, _, _| Ok(self.options.tui),
tuple_list!(AflStatsStage::builder()
.map_observer(&edges_observer)
.build()?),
);
@ -207,7 +214,10 @@ impl<M: Monitor> Instance<'_, M> {
);
// A feedback to choose if an input is a solution or not
let mut objective = feedback_or_fast!(CrashFeedback::new(), TimeoutFeedback::new());
let mut objective = feedback_and_fast!(
feedback_or_fast!(CrashFeedback::new(), TimeoutFeedback::new()),
map_objective
);
// // If not restarting, create a State from scratch
let mut state = match state {
@ -324,7 +334,8 @@ impl<M: Monitor> Instance<'_, M> {
StdPowerMutationalStage::new(mutator);
// The order of the stages matter!
let mut stages = tuple_list!(calibration, tracing, i2s, power, stats_stage);
let mut stages =
tuple_list!(calibration_cmplog, tracing, i2s, power, stats_stage_cmplog);
self.fuzz(
&mut state,
@ -348,7 +359,9 @@ impl<M: Monitor> Instance<'_, M> {
// Setup an havoc mutator with a mutational stage
let mutator = StdScheduledMutator::new(havoc_mutations().merge(tokens_mutations()));
let mut stages = tuple_list!(StdMutationalStage::new(mutator));
let power: StdPowerMutationalStage<_, _, BytesInput, _, _, _> =
StdPowerMutationalStage::new(mutator);
let mut stages = tuple_list!(calibration, power, stats_stage);
self.fuzz(
&mut state,