X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=filesetup.c;h=ab6c488bb750ed7c53a56214a69a9f8b100a7057;hb=7ddc4ed1ce94639e3306f980a7c651da3dd81c1d;hp=7c32d0af438a304fe3aef5a0fa61a95831e01b81;hpb=fa7b1e3ff999a03e9780bba5d2ed34dd887dc733;p=fio.git

diff --git a/filesetup.c b/filesetup.c
index 7c32d0af..ab6c488b 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -2031,11 +2031,12 @@ void dup_files(struct thread_data *td, struct thread_data *org)
 	if (!org->files)
 		return;
 
-	td->files = malloc(org->files_index * sizeof(f));
+	td->files = calloc(org->files_index, sizeof(f));
 
 	if (td->o.file_lock_mode != FILE_LOCK_NONE)
 		td->file_locks = malloc(org->files_index);
 
+	assert(org->files_index >= org->o.nr_files);
 	for_each_file(org, f, i) {
 		struct fio_file *__f;