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Decrease maximum input size for store fuzzing

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We currently have around 12% inputs timing out (was around 27% before the 100k
limit).
This commit is contained in:
Julien Cretin
2021-08-13 22:00:43 +02:00
committed by Julien Cretin
parent a80ff4279c
commit ed28941a6d
1 changed files with 3 additions and 2 deletions
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5
libraries/persistent_store/fuzz/src/store.rs
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@@ -36,8 +36,9 @@ use std::convert::TryInto;
pub fn fuzz(mut data: &[u8], debug: bool, stats: Option<&mut Stats>) { pub fn fuzz(mut data: &[u8], debug: bool, stats: Option<&mut Stats>) {
// We limit the input size to avoid timeouts in oss-fuzz because they use inputs of arbitrary // We limit the input size to avoid timeouts in oss-fuzz because they use inputs of arbitrary
// length and timeout after 1 minute. By default, libFuzzer has a maximum length of 4096 bytes. // length and timeout after 1 minute. By default, libFuzzer has a maximum length of 4096 bytes.
// So we just use some number above 4096 bytes and below 1 minute (might need adjustments). // We use a number between 4096 bytes and 1 minute, ideally such that the proportion of inputs
const MAX_DATA_LEN: usize = 100_000; // timing out in oss-fuzz is around 1%.
const MAX_DATA_LEN: usize = 50_000;
if data.len() > MAX_DATA_LEN { if data.len() > MAX_DATA_LEN {
data = &data[..MAX_DATA_LEN]; data = &data[..MAX_DATA_LEN];
} }