Re: suspicious rcu_dereference_check in sctp_v6_get_dst

2015-12-05 Thread Eric Dumazet
On Sat, 2015-12-05 at 20:37 -0500, Dave Jones wrote: > On Sat, Dec 05, 2015 at 05:13:06PM -0800, Eric Dumazet wrote: > > > > diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c > > > index acb45b8c2a9d..7081183f4d9f 100644 > > > --- a/net/sctp/ipv6.c > > > +++ b/net/sctp/ipv6.c > > > @@ -328,7 +3

Re: suspicious rcu_dereference_check in sctp_v6_get_dst

2015-12-05 Thread Dave Jones
On Sat, Dec 05, 2015 at 05:13:06PM -0800, Eric Dumazet wrote: > > diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c > > index acb45b8c2a9d..7081183f4d9f 100644 > > --- a/net/sctp/ipv6.c > > +++ b/net/sctp/ipv6.c > > @@ -328,7 +328,9 @@ static void sctp_v6_get_dst(struct sctp_transport *t, > >

Re: suspicious rcu_dereference_check in sctp_v6_get_dst

2015-12-05 Thread Eric Dumazet
On Sat, 2015-12-05 at 19:25 -0500, Dave Jones wrote: > === > [ INFO: suspicious RCU usage. ] > 4.4.0-rc3-think+ #8 Tainted: GW > --- > net/sctp/ipv6.c:331 suspicious rcu_dereference_check() usage! > > other info that might help

suspicious rcu_dereference_check in sctp_v6_get_dst

2015-12-05 Thread Dave Jones
=== [ INFO: suspicious RCU usage. ] 4.4.0-rc3-think+ #8 Tainted: GW --- net/sctp/ipv6.c:331 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock h