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SubjectRe: [RFC PATCH 3/6] security/fbfam: Use the api to manage statistics
On Thu, 10 Sep 2020 16:33:38 -0700
Kees Cook <keescook@chromium.org> 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.

-- Steve

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