diff -uprN a/bindings.c b/bindings.c
--- a/bindings.c	2018-08-17 04:12:24.000000000 +0800
+++ b/bindings.c	2018-11-21 11:45:56.120000000 +0800
@@ -1848,6 +1848,7 @@
 	free(f->buf);
 	f->buf = NULL;
 	free(f);
+	f = NULL;
 }
 
 int cg_releasedir(const char *path, struct fuse_file_info *fi)