SYS-OSS/FRET-LibAFL
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don't remove all items from corpus

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This commit is contained in:
Alwin Berger 2024-10-30 14:45:32 +01:00
parent 0e7de2d109
commit 7c71e683d8
1 changed files with 2 additions and 2 deletions
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4
fuzzers/FRET/src/systemstate/report.rs
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@ -98,7 +98,7 @@ where
{ {
const PRUNE_THRESHOLD: usize = 200; const PRUNE_THRESHOLD: usize = 200;
if state.corpus().count() > PRUNE_THRESHOLD*vc { if state.corpus().count() > PRUNE_THRESHOLD*vc {
println!("Pruning corpus, keeping {} / {}", PRUNE_THRESHOLD*vc, state.corpus().count()); println!("Pruning corpus, keeping {} / {}", usize::max(1,vc)*PRUNE_THRESHOLD/2, state.corpus().count());
let corpus = state.corpus_mut(); let corpus = state.corpus_mut();
let currid = corpus.current(); let currid = corpus.current();
let ids : Vec<_> = corpus.ids().filter_map(|x| { let ids : Vec<_> = corpus.ids().filter_map(|x| {
@ -109,7 +109,7 @@ where
} else { } else {
Some((x, tc.exec_time().clone())) Some((x, tc.exec_time().clone()))
} }
}).sorted_by_key(|x| x.1).take(usize::saturating_sub(corpus.count(),(PRUNE_THRESHOLD/2)*vc)).sorted_by_key(|x| x.0).unique().rev().collect(); }).sorted_by_key(|x| x.1).take(usize::saturating_sub(corpus.count(),usize::max(1,vc)*PRUNE_THRESHOLD/2)).sorted_by_key(|x| x.0).unique().rev().collect();
for (cid, _) in ids { for (cid, _) in ids {
let c = state.corpus_mut().remove(cid).unwrap(); let c = state.corpus_mut().remove(cid).unwrap();
fuzzer fuzzer