Re: [PATCH] block: fix ioprio_get(IOPRIO_WHO_PGRP) vs setuid(2)

From: Jens Axboe
Date: Fri Dec 10 2021 - 13:26:18 EST


On Fri, 10 Dec 2021 10:20:58 -0800, Davidlohr Bueso wrote:
> do_each_pid_thread(PIDTYPE_PGID) can race with a concurrent
> change_pid(PIDTYPE_PGID) that can move the task from one hlist
> to another while iterating. Serialize ioprio_get to take
> the tasklist_lock in this case, just like it's set counterpart.
>
>

Applied, thanks!

[1/1] block: fix ioprio_get(IOPRIO_WHO_PGRP) vs setuid(2)
commit: e6a59aac8a8713f335a37d762db0dbe80e7f6d38

Best regards,
--
Jens Axboe