On Wed, 04 Sep 2024 11:13:48 +0800, Ming Lei wrote:
> When two UBLK_CMD_START_USER_RECOVERY commands are submitted, the
> first one sets 'ubq->ubq_daemon' to NULL, and the second one triggers
> WARN in ublk_queue_reinit() and subsequently a NULL pointer dereference
> issue.
>
> Fix it by adding the check in ublk_ctrl_start_recovery() and return
> immediately in case of zero 'ub->nr_queues_ready'.
>
> [...]
Applied, thanks!
[1/1] ublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery()
commit: e58f5142f88320a5b1449f96a146f2f24615c5c7
Best regards,
--
Jens Axboe
