On Wed, May 21, 2025 at 08:30:19PM +0800, Ye Chey wrote: > The bio_alloc_clone() call in pkt_make_request_read() lacks NULL check, > which could lead to NULL pointer dereference. Add NULL check and handle > allocation failure by calling bio_io_error(). Please explain in detail how this could ever lead to a path in bio_alloc_clone that could return NULL and how you came to that conclusion.