fix qemu_linux_process example (#3393)

* fix qemu_linux_process example

* clippy

Author: R9295

crates/libafl_qemu/src/emu/drivers/nyx.rs

@@ -28,7 +28,7 @@ pub struct NyxEmulatorDriver {
     allow_page_on_start: bool, // when fuzzing starts, all modules will only accept the current page table
     #[builder(default = false)]
     print_commands: bool,
-    #[builder(default = (1024 * 1024))]
+    #[builder(default = 1024 * 1024)]
     max_input_size: usize,
 }
 

fuzzers/full_system/qemu_linux_process/Justfile

@@ -20,15 +20,15 @@ linux_builder_dir: target_dir
 compile_target api="lqemu": (build api)
     clang -O0 -static -I {{ BUILD_DIR }}/include \
       example/harness_{{ api }}.c \
-      -o {{ LINUX_BUILDER_DIR }}/runtime/harness
+      -o {{ LINUX_BUILDER_DIR }}/hooks/runtime/harness
 
 update_files api="lqemu": target_dir linux_builder_dir (build api)
-    cp -r setup/* "{{ LINUX_BUILDER_DIR }}/setup/"
-    cp -r runtime/* "{{ LINUX_BUILDER_DIR }}/runtime/"
+    cp -r setup/* "{{ LINUX_BUILDER_DIR }}/hooks/setup/"
+    cp -r runtime/* "{{ LINUX_BUILDER_DIR }}/hooks/runtime/"
 
     cp {{ BUILD_DIR }}/include/* "{{ LINUX_BUILDER_DIR }}/setup/"
 
-target api="lqemu": linux_builder_dir update_files
+target api="lqemu": linux_builder_dir compile_target update_files
     {{LINUX_BUILDER_DIR}}/build.sh
 
 build api="lqemu":
@@ -71,4 +71,4 @@ run api="lqemu": (build api)
 test: build (build "nyx")
 
 clean:
-    cargo clean
+    cargo clean

fuzzers/full_system/qemu_linux_process/src/fuzzer.rs

@@ -173,7 +173,7 @@ pub fn fuzz() {
             TimeFeedback::new(&time_observer)
         );
 
-        let map_feedback = MaxMapFeedback::new(&edges_observer);
+        let map_feedback = MaxMapFeedback::with_name("edges_objective", &edges_observer);
 
         // A feedback to choose if an input is a solution or not
         let mut objective = feedback_and_fast!(
@@ -218,7 +218,6 @@ pub fn fuzz() {
             timeout,
         )
         .expect("Failed to create QemuExecutor");
-
         // Instead of calling the timeout handler and restart the process, trigger a breakpoint ASAP
         executor.break_on_timeout();