Messages in this thread | | | Date | Sat, 20 Sep 2014 20:57:05 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/7] sched: Use dl_bw_of() under RCU read lock |
| |
On Sat, Sep 20, 2014 at 08:51:28PM +0400, Kirill Tkhai wrote: > From: Kirill Tkhai <ktkhai@parallels.com> > > dl_bw_of() dereferences rq->rd which has to have RCU read lock held. > Probability of use-after-free and memory corruption aren't zero here. >
Additionally we might want to add something like: lockdep_assert_held_rcu() and put that in dl_bw_of() and other such places.
| |