Remove *_child variants of pre_exec/post_exec hooks

crates/libafl/src/executors/command.rs

@@ -388,7 +388,6 @@ where
     ) -> Result<ExitKind, Error> {
         use wait_timeout::ChildExt;
 
-        self.observers_mut().pre_exec_all(state, input)?;
         *state.executions_mut() += 1;
         let mut child = self
             .configurator
@@ -427,8 +426,6 @@ where
             self.observers_mut().index_mut(&stdout_handle).observe(buf);
         }
 
-        self.observers_mut()
-            .post_exec_child_all(state, input, &exit_kind)?;
         Ok(exit_kind)
     }
 }
@@ -447,7 +444,11 @@ where
         _mgr: &mut EM,
         input: &I,
     ) -> Result<ExitKind, Error> {
-        self.execute_input_with_command(fuzzer, state, input)
+        self.observers_mut().pre_exec_all(state, input)?;
+        let exit_kind = self.execute_input_with_command(fuzzer, state, input)?;
+        self.observers_mut()
+            .post_exec_all(state, input, &exit_kind)?;
+        Ok(exit_kind)
     }
 }
 
@@ -519,7 +520,6 @@ where
             )));
         }
 
-        self.observers.pre_exec_child_all(state, input)?;
         if *state.executions() == 1 {
             self.hooks.init_all(state);
         }
@@ -546,7 +546,6 @@ where
         };
 
         self.hooks.post_exec_all(state, input);
-        self.observers.post_exec_child_all(state, input, &res)?;
         Ok(res)
     }
 }

crates/libafl/src/executors/forkserver.rs

@@ -1534,10 +1534,7 @@ where
         input: &I,
     ) -> Result<ExitKind, Error> {
         let bytes = fuzzer.convert_to_target_bytes(state, input);
-        self.observers_mut().pre_exec_child_all(state, input)?;
         let exit = self.execute_input(state, bytes.as_slice())?;
-        self.observers_mut()
-            .post_exec_child_all(state, input, &exit)?;
         Ok(exit)
     }
 }