Fix empty multipart name (#2750)

2024-12-06 18:32:58 +01:00 · 2024-12-06 18:32:58 +01:00 · 42ba65e864
commit 42ba65e864
parent 0569960522
1 changed files with 11 additions and 7 deletions
--- a/libafl/src/inputs/multi.rs
+++ b/libafl/src/inputs/multi.rs
@ -154,12 +154,16 @@ where
    I: Input,
 {
    fn generate_name(&self, id: Option<CorpusId>) -> String {
-        self.names
-            .iter()
-            .cloned()
-            .zip(self.parts.iter().map(|i| i.generate_name(id)))
-            .map(|(name, generated)| format!("{name}-{generated}"))
-            .collect::<Vec<_>>()
-            .join(",")
+        if self.names().len() > 0 {
+            self.names
+                .iter()
+                .cloned()
+                .zip(self.parts.iter().map(|i| i.generate_name(id)))
+                .map(|(name, generated)| format!("{name}-{generated}"))
+                .collect::<Vec<_>>()
+                .join(",")
+        } else {
+            "empty_multipart".to_string() // empty strings cause issues with OnDiskCorpus
+        }
    }
 }