Re: [PATCH v7] loop: Fix NULL pointer dereference in lo_rw_aio()

[Bart Van Assche]

On 8/28/26 10:17 PM, Tetsuo Handa wrote:
> Calling synchronize_rcu() makes sure that no more queue_work() calls are
> made from loop_queue_work() from loop_queue_rq(). Since loop_queue_rq() is
> called with RCU read lock, subsequent loop_queue_rq() calls which are made
> after synchronize_rcu() returned shall see lo->lo_state != Lo_bound and
> return with BLK_STS_IOERR.

Please add a comment above the synchronize_rcu() call that explains the
purpose of that call.

> That is OK. But after you agreed that my patch works as expected.
I appreciate your work and agree that this patch takes the right
direction. But I would appreciate it if you would take another look at
my review comments.

Thanks,

Bart.