From 4179affe2c7ee2e49f41619f1b8fe59bd4240354 Mon Sep 17 00:00:00 2001
From: Dominik Maier <domenukk@gmail.com>
Date: Sat, 23 Jan 2021 06:42:55 +0100
Subject: [PATCH] enabled persistent mode

---
 unicorn_mode/samples/speedtest/rust/src/main.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/unicorn_mode/samples/speedtest/rust/src/main.rs b/unicorn_mode/samples/speedtest/rust/src/main.rs
index 516c54d1..8e31d2e2 100644
--- a/unicorn_mode/samples/speedtest/rust/src/main.rs
+++ b/unicorn_mode/samples/speedtest/rust/src/main.rs
@@ -206,6 +206,11 @@ fn fuzz(input_file: &str) -> Result<(), uc_error> {
             true
         };
 
+    let crash_validation_callback =
+        |_uc: UnicornHandle<'_, _>, result, _input: &[u8], _persistent_round| {
+            result != uc_error::OK
+        };
+
     let end_addrs = parse_locs("main_ends").unwrap();
 
     let ret = uc.afl_fuzz(
@@ -214,7 +219,7 @@ fn fuzz(input_file: &str) -> Result<(), uc_error> {
         &end_addrs,
         Box::new(crash_validation_callback),
         false,
-        1,
+        1000,
     );
 
     match ret {