Messages in this thread | | | Subject | Re: [PATCH v2] ftrace: Fix use-after-free for dynamic ftrace_ops | From | Li Huafei <> | Date | Thu, 3 Nov 2022 11:38:30 +0800 |
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On 2022/11/3 11:24, Steven Rostedt wrote: > On Wed, 2 Nov 2022 23:23:34 -0400 > Steven Rostedt <rostedt@goodmis.org> 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. > > ;-) >
Yes. There we have the DYNAMIC check.
> -- Steve > > . >
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