On 10/19/21 7:26 PM, Pavel Begunkov wrote: > io_unprep_linked_timeout() is broken, first it needs to return back > REQ_F_ARM_LTIMEOUT, so the linked timeout is enqueued and disarmed. But > now we refcounted it, and linked timeouts may get not executed at all, > leaking a request. > > Just kill the unprep optimisation. This appears to be against something that is not 5.15, can you please check the end result: https://git.kernel.dk/cgit/linux-block/commit/?h=io_uring-5.15&id=46cb76b2f5ff39bf019bf7a072524fc7fe6deb01 -- Jens Axboe
