src: delete CallbackInfo when cleared from cleanup hook

Fixes: nodejs#32400

PR-URL: nodejs#32405
Reviewed-By: Matheus Marchini <[email protected]>
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: addaleax

src/node_buffer.cc

@@ -163,14 +163,14 @@ void CallbackInfo::WeakCallback(
     const WeakCallbackInfo<CallbackInfo>& data) {
   CallbackInfo* self = data.GetParameter();
   self->WeakCallback(data.GetIsolate());
-  delete self;
 }
 
 
 void CallbackInfo::WeakCallback(Isolate* isolate) {
   callback_(data_, hint_);
   int64_t change_in_bytes = -static_cast<int64_t>(sizeof(*this));
   isolate->AdjustAmountOfExternalAllocatedMemory(change_in_bytes);
+  delete this;
 }