On Tue, 01 Jul 2025 15:23:25 +0800, Ming Lei wrote:
> Commit 524346e9d79f ("ublk: build batch from IOs in same io_ring_ctx and io task")
> need to dereference `io->cmd` for checking if the IO can be added to current
> batch, see ublk_belong_to_same_batch() and io_uring_cmd_ctx_handle(). However,
> `io->cmd` may become invalid after the uring_cmd is canceled.
>
> Fixes it by only allowing to queue this IO in case that ublk_prep_req()
> returns `BLK_STS_OK`, when 'io->cmd' is guaranteed to be valid.
>
> [...]
Applied, thanks!
[1/1] ublk: don't queue request if the associated uring_cmd is canceled
commit: 01ed88aea527e19def9070349399684522c66c72
Best regards,
--
Jens Axboe
