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Truncate huge files during read fuzz rather than skipping them

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This commit is contained in:
Chris Hennick 2024-02-28 17:22:43 -08:00
parent e787187cdd
commit 026a49ffa7
1 changed files with 3 additions and 4 deletions
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7
fuzz/fuzz_targets/fuzz_read.rs
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@ -1,15 +1,14 @@
#![no_main] #![no_main]
use libfuzzer_sys::fuzz_target; use libfuzzer_sys::fuzz_target;
use std::io::Read;
fn decompress_all(data: &[u8]) -> Result<(), Box<dyn std::error::Error>> { fn decompress_all(data: &[u8]) -> Result<(), Box<dyn std::error::Error>> {
let reader = std::io::Cursor::new(data); let reader = std::io::Cursor::new(data);
let mut zip = zip_next::ZipArchive::new(reader)?; let mut zip = zip_next::ZipArchive::new(reader)?;
for i in 0..zip.len() { for i in 0..zip.len() {
let mut file = zip.by_index(i)?; let file = zip.by_index(i)?;
if file.size() <= 1 << 24 { std::io::copy(&mut file.take(1 << 24), &mut std::io::sink())?;
let _ = std::io::copy(&mut file, &mut std::io::sink());
}
} }
Ok(()) Ok(())