On Sat, 28 Dec 2024 17:44:52 +0000, Pavel Begunkov wrote:
> The iowq path can downgrade a multishot request to the oneshot mode,
> however io_read_mshot() doesn't handle that and would still post
> multiple CQEs. That's not allowed, because io_req_post_cqe() requires
> stricter context requirements.
>
> The described can only happen with pollable files that don't support
> FMODE_NOWAIT, which is an odd combination, so if even allowed it should
> be fairly rare.
>
> [...]
Applied, thanks!
[1/1] io_uring/rw: fix downgraded mshot read
commit: 38fc96a58ce40257aec79b32e9b310c86907c63c
Best regards,
--
Jens Axboe
