Re: [PATCH -tip v8 07/26] [BUGFIX] x86: Prohibit probing on thunk functions and restore
From: Steven Rostedt
Date: Mon Mar 24 2014 - 14:56:30 EST
On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> wrote:
> thunk/restore functions are also used for tracing irqoff etc.
> and those are involved in kprobe's exception handling.
> Prohibit probing on them to avoid kernel crash.
>
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
-- Steve
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