From de9fd0fbd99259259dfd01d14c95cea2d6b00e34 Mon Sep 17 00:00:00 2001
From: John Turner <jturner.usa@gmail.com>
Date: Sat, 22 Nov 2025 05:49:45 +0000
Subject: [PATCH] print the remaining input on fuzzer failures

---
 fuzz/atom/parser/fuzz.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fuzz/atom/parser/fuzz.rs b/fuzz/atom/parser/fuzz.rs
index 610e08b..9af41f2 100644
--- a/fuzz/atom/parser/fuzz.rs
+++ b/fuzz/atom/parser/fuzz.rs
@@ -77,8 +77,8 @@ pub unsafe extern "C" fn LLVMFuzzerTestOneInput(input: *const u8, len: usize) ->
         (false, Err(_)) => {
             eprintln!("agreement that {atom} is invalid");
         }
-        (true, Err(_)) => {
-            panic!("rejected valid atom: {atom}");
+        (true, Err(ParserFinishedError::Err(it) | ParserFinishedError::Unfinished(it))) => {
+            panic!("rejected valid atom: {atom}: {}", it.rest());
         }
         (false, Ok(atom))
             if atom.usedeps().iter().any(|usedep| {