Fix empty multipart (#2789)

AFLplusplus · Dec 23, 2024 · 03f7fc9 · 03f7fc9
1 parent 25386bf
commit 03f7fc9
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/libafl/src/mutators/multi.rs b/libafl/src/mutators/multi.rs
@@ -198,6 +198,10 @@ where
         let mut other_testcase = state.corpus().get(id)?.borrow_mut();
         let other = other_testcase.load_input(state.corpus())?;
 
+        if other.names().is_empty() {
+            return Ok(MutationResult::Skipped);
+        }
+
         let choice = name_choice % other.names().len();
         let name = &other.names()[choice];
 
@@ -324,6 +328,10 @@ where
         let mut other_testcase = state.corpus().get(id)?.borrow_mut();
         let other = other_testcase.load_input(state.corpus())?;
 
+        if other.names().is_empty() {
+            return Ok(MutationResult::Skipped);
+        }
+
         let choice = name_choice % other.names().len();
         let name = &other.names()[choice];