Re: [PATCH v4] tracing: Fix race condition in kprobe initialization causing NULL pointer dereference

[Google]

On Thu, 2 Oct 2025 07:59:24 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> On Wed, 1 Oct 2025 10:31:49 -0400
> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > On Wed, 1 Oct 2025 14:32:00 +0200
> > Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > 
> > > Anyway, patch looks reasonable now. Rest is up to Steve, this is his
> > > code.
> > 
> > Actually, it's Masami's ;-)  And it's up to him.
> 
> Yeah, looks good to me. Let me pick it as a fix.

BTW, I will add below, the commit introduced the flags.

    Fixes: 50d780560785 ("tracing/kprobes: Add probe handler dispatcher to support perf and ftrace concurrent use")
    Cc: stable@xxxxxxxxxxxxxxx

Thanks,

> 
> Thank you!
> 
> > 
> > -- Steve
> 
> 
> -- 
> Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>


-- 
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>