diff --git a/mm/vma.c b/mm/vma.c
index be64f781a3aa..c8df5f561ad7 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -2781,6 +2781,13 @@ unacct_error:
 	if (map.charged)
 		vm_unacct_memory(map.charged);
 abort_munmap:
+	/*
+	 * This indicates that .mmap_prepare has set a new file, differing from
+	 * desc->vm_file. But since we're aborting the operation, only the
+	 * original file will be cleaned up. Ensure we clean up both.
+	 */
+	if (map.file_doesnt_need_get)
+		fput(map.file);
 	vms_abort_munmap_vmas(&map.vms, &map.mas_detach);
 	return error;
 }