1 files changed, 3 insertions, 0 deletions
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index 73ca6aaa..a8816cb3 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -1282,6 +1282,9 @@ int main(int argc, char **argv_orig, char **envp) {
 
   cull_queue(afl);
 
+  if (!afl->pending_not_fuzzed)
+    FATAL("We need at least on valid input seed that does not crash!");
+
   show_init_stats(afl);
 
   seek_to = find_start_position(afl);