Re: [RFC PATCH 3/6] security/fbfam: Use the api to manage statistics

[Steven Rostedt]

On Tue, 29 Sep 2020 19:47:12 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Thu, 10 Sep 2020 16:33:38 -0700
> Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> 
> > > @@ -1940,6 +1941,7 @@ static int bprm_execve(struct linux_binprm *bprm,
> > >  	task_numa_free(current, false);
> > >  	if (displaced)
> > >  		put_files_struct(displaced);
> > > +	fbfam_execve();    
> > 
> > As mentioned in the other emails, I think this could trivially be
> > converted into an LSM: all the hooks are available AFAICT. If you only
> > want to introspect execve _happening_, you can use bprm_creds_for_exec
> > which is called a few lines above. Otherwise, my prior suggestion ("the
> > exec has happened" hook via brpm_cred_committing, etc).  
> 
> And if its information only, you could just register a callback to the
> trace_sched_process_exec() tracepoint and do whatever you want then.
> 
> The tracepoints are available for anyone to attach to. Not just tracing.
> 

And there's also trace_sched_process_fork() and
trace_sched_process_exit().

-- Steve