Hello,
On Thu, Apr 19, 2018 at 12:06:09PM +0800, Jiang Biao wrote:
> The initializing of q->root_blkg is currently outside of queue lock
> and rcu, so the blkg may be destroied before the initializing, which
> may cause dangling/null references. On the other side, the destroys
> of blkg are
The initializing of q->root_blkg is currently outside of queue lock
and rcu, so the blkg may be destroied before the initializing, which
may cause dangling/null references. On the other side, the destroys
of blkg are protected by queue lock or rcu. Put the initializing
inside the queue lock and
