Re: WARNING in aa_sock_msg_perm

[David Howells]

Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:

> This is not AppArmor's bug. LSM modules expect that "struct socket" is not
> NULL.  For some reason, peer->local->socket became NULL. Thus, suspecting
> rxrpc's bug.
> 
> >  rxrpc_send_keepalive+0x1ff/0x940 net/rxrpc/output.c:656

I agree.  There's a further refcounting bug in the local object handling, but
it's proving annoyingly difficult to reliably reproduce.

David