The allocated buffer for the file contents is then zero bytes long,
which `app_malloc()` used to refuse.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
MergeDate: Tue Jan 20 18:17:12 2026
(Merged from https://github.com/openssl/openssl/pull/29613)