add LTO support in nyx_mode

3 files changed, 27 insertions, 11 deletions

diff --git a/include/forkserver.h b/include/forkserver.h
index 48db2e26..4a05b17e 100644
--- a/include/forkserver.h
+++ b/include/forkserver.h
@@ -54,7 +54,13 @@ typedef enum NyxReturnValue {
 typedef struct {
 
   void *(*nyx_new)(const char *sharedir, const char *workdir,
-                   uint32_t worker_id, uint32_t cpu_id, bool create_snapshot);
+                   uint32_t cpu_id, uint32_t input_buffer_size, 
+                   bool input_buffer_write_protection);
+  void *(*nyx_new_parent)(const char *sharedir, const char *workdir,
+                   uint32_t cpu_id, uint32_t input_buffer_size,
+                   bool input_buffer_write_protection);
+  void *(*nyx_new_child)(const char *sharedir, const char *workdir,
+                   uint32_t cpu_id, uint32_t worker_id);
   void (*nyx_shutdown)(void *qemu_process);
   void (*nyx_option_set_reload_mode)(void *qemu_process, bool enable);
   void (*nyx_option_set_timeout)(void *qemu_process, uint8_t timeout_sec,
diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c
index eebbb7c8..1f03cfd3 100644
--- a/src/afl-forkserver.c
+++ b/src/afl-forkserver.c
@@ -405,24 +405,27 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
 
     }
 
-    if (fsrv->nyx_parent) {
-
+    if (fsrv->nyx_standalone){
       fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new(
-          fsrv->target_path, x, fsrv->nyx_id, fsrv->nyx_bind_cpu_id,
-          !fsrv->nyx_standalone);
-
-    } else {
+          fsrv->target_path, x, fsrv->nyx_bind_cpu_id, 0x10000, true);
+    }
+    else{
+      if (fsrv->nyx_parent) {
+        fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new_parent(
+            fsrv->target_path, x, fsrv->nyx_bind_cpu_id, MAX_FILE, true);
 
-      fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new(
-          fsrv->target_path, x, fsrv->nyx_id, fsrv->nyx_bind_cpu_id, true);
+      } else {
+        fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new_child(
+            fsrv->target_path, x, fsrv->nyx_bind_cpu_id, fsrv->nyx_id);
 
+      }
     }
 
     if (fsrv->nyx_runner == NULL) { FATAL("Something went wrong ..."); }
 
     u32 tmp_map_size =
         fsrv->nyx_handlers->nyx_get_bitmap_buffer_size(fsrv->nyx_runner);
-    fsrv->real_map_size = fsrv->map_size;
+    fsrv->real_map_size = tmp_map_size;
     fsrv->map_size = (((tmp_map_size + 63) >> 6) << 6);
     if (!be_quiet) { ACTF("Target map size: %u", fsrv->real_map_size); }
 
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index 1edf82f4..50874f47 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -404,6 +404,12 @@ nyx_plugin_handler_t *afl_load_libnyx_plugin(u8 *libnyx_binary) {
   plugin->nyx_new = dlsym(handle, "nyx_new");
   if (plugin->nyx_new == NULL) { goto fail; }
 
+  plugin->nyx_new_parent = dlsym(handle, "nyx_new_parent");
+  if (plugin->nyx_new_parent == NULL) { goto fail; }
+
+  plugin->nyx_new_child = dlsym(handle, "nyx_new_child");
+  if (plugin->nyx_new_child == NULL) { goto fail; }
+
   plugin->nyx_shutdown = dlsym(handle, "nyx_shutdown");
   if (plugin->nyx_shutdown == NULL) { goto fail; }
 
@@ -1340,7 +1346,8 @@ int main(int argc, char **argv_orig, char **envp) {
               "0)");
 
         }
-
+        
+        afl->fsrv.nyx_parent = true;
         afl->fsrv.nyx_id = 0;
 
       }