Re: [PATCH v2] ftrace: Fix use-after-free for dynamic ftrace_ops

From: Steven Rostedt
Date: Wed Nov 02 2022 - 23:24:52 EST


On Wed, 2 Nov 2022 23:23:34 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> I think you misunderstood me. What I was suggesting was to get rid of
> the ftrace_enabled check. The DYNAMIC part is most definitely needed.
>
> if (!command) {
> if (ops->flags & FTRACE_OPS_FL_DYNAMIC)
> goto out;
> return 0;
> }


Nevermind, I forgot that the out is before the DYNAMIC check.

;-)

-- Steve