diff --git a/.gitignore b/.gitignore
index 9b95ab828f..49e1ea8f81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ GTAGS
 .ccls*
 .direnv
 .vscode
+.cache
diff --git a/softmmu/main.c b/softmmu/main.c
index d259f5ef4c..660770a855 100644
--- a/softmmu/main.c
+++ b/softmmu/main.c
@@ -57,8 +57,8 @@ void libafl_qemu_cleanup( void );
 void libafl_qemu_sys_init(int argc, char **argv, char **envp) { qemu_init(argc, argv, envp); }
 void libafl_qemu_cleanup( void ) { qemu_cleanup(); }
 void libafl_qemu_set_breakpoint( vaddr );
-void libafl_snapshot_save( const char* );
-void libafl_snapshot_load( const char* );
+int libafl_snapshot_save( const char* );
+int libafl_snapshot_load( const char* );
 void libafl_phys_read(vaddr, uint8_t*, int);
 void libafl_phys_write(vaddr, uint8_t*, int);
 
@@ -76,16 +76,18 @@ void libafl_qemu_set_breakpoint(vaddr pc)
     }
 }
 
-void libafl_snapshot_save( const char* name )
+int libafl_snapshot_save( const char* name )
 {
     Error *err = NULL;
     save_snapshot(name, true, NULL, false, NULL, &err);
+    return err == 0;
 }
 
-void libafl_snapshot_load( const char* name )
+int libafl_snapshot_load( const char* name )
 {
     Error *err = NULL;
     load_snapshot(name, NULL, false, NULL, &err);
+    return err == 0;
 }
 
 void libafl_phys_read(vaddr addr, uint8_t* buf, int len)