logos-blockchain/lez-fuzzing
1
0
Fork 0
mirror of https://github.com/logos-blockchain/lez-fuzzing.git synced 2026-06-07 03:29:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: entropy leak - eliminate structurally invalid NSSATransactions

Browse Source
This commit is contained in:
Roman 2026-05-12 13:39:45 +08:00
parent 18265815e4
commit ffb2803fed
No known key found for this signature in database
GPG Key ID: 583BDF43C238B83E
1 changed files with 2 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
fuzz_props/src/generators.rs
View File

@ -77,19 +77,9 @@ pub fn arb_fuzz_native_transfer(
// ── Arbitrary (for libFuzzer targets) ────────────────────────────────────────
/// A best-effort attempt to create a structurally plausible `NSSATransaction`
/// from unstructured bytes. Falls back to raw borsh decoding.
/// Generate a structurally plausible `NSSATransaction` from unstructured bytes.
pub fn arbitrary_transaction(u: &mut Unstructured<'_>) -> arbitrary::Result<NSSATransaction> {
// Prefer structured generation (via Arbitrary impls); raw borsh decode as fallback.
if bool::arbitrary(u)? {
let raw = Vec::<u8>::arbitrary(u)?;
borsh::from_slice::<NSSATransaction>(&raw).map_err(|_| arbitrary::Error::IncorrectFormat)
} else {
// Use the full ArbNSSATransaction generator, which produces both Public and
// ProgramDeployment variants with realistic account IDs, nonces, and witness sets —
// far richer than the previous degenerate single-byte key / empty-message path.
ArbNSSATransaction::arbitrary(u).map(|w| w.0)
}
ArbNSSATransaction::arbitrary(u).map(|w| w.0)
}
// ── proptest strategies ───────────────────────────────────────────────────────