In article <20050114210651.654b22de.davem@xxxxxxxxxxxxx> (at Fri, 14 Jan 2005
21:06:51 -0800), "David S. Miller" <davem@xxxxxxxxxxxxx> says:
> On Sat, 15 Jan 2005 11:26:38 +1100
> Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> > All your "badness" messages start with a call to udpv6_sendmsg().
> > That function calls ip6_dst_lookup() to get its dst entry. Note
> > that udpv6_sendmsg() does not hold a lock on the sk at all. However,
> > ip6_dst_lookup() uses __sk_dst_check() which is only safe if you can
> > either guarantee single-threadedness or if you hold sk_dst_lock.
> Good catch, that looks to be it.
I agree too; this is one of changeset what I was going to send.