Re: [PATCH v2] ftrace: Fix use-after-free for dynamic ftrace_ops
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2022-11-03 03:24:52
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On Wed, 2 Nov 2022 23:23:34 -0400 Steven Rostedt [off-list ref] 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