Re: [RT PATCH 1/2] net: add back the missing serialization in ip_send_unicast_reply()

2016-08-31 Thread Sebastian Andrzej Siewior
On 2016-08-31 12:15:53 [-0400], Steven Rostedt wrote: > > @@ -689,10 +691,13 @@ static void tcp_v4_send_reset(const struct sock *sk, > > struct sk_buff *skb) > > offsetof(struct inet_timewait_sock, tw_bound_dev_if)); > > > > arg.tos = ip_hdr(skb)->tos; > > + > > + local_lo

Re: [RT PATCH 1/2] net: add back the missing serialization in ip_send_unicast_reply()

2016-08-31 Thread Steven Rostedt
On Wed, 31 Aug 2016 18:00:48 +0200 Sebastian Andrzej Siewior wrote: > Some time ago Sami Pietikäinen reported a crash on -RT in > ip_send_unicast_reply() which was later fixed by Nicholas Mc Guire > (v3.12.8-rt11). Later (v3.18.8) the code was reworked and I dropped the > patch. As it turns out i

[RT PATCH 1/2] net: add back the missing serialization in ip_send_unicast_reply()

2016-08-31 Thread Sebastian Andrzej Siewior
Some time ago Sami Pietikäinen reported a crash on -RT in ip_send_unicast_reply() which was later fixed by Nicholas Mc Guire (v3.12.8-rt11). Later (v3.18.8) the code was reworked and I dropped the patch. As it turns out it was mistake. I have reports that the same crash is possible with a similar b