Re: [PATCH 1/1] stackleak: Disable function tracing and kprobes for stackleak_erase()

[Steven Rostedt]

On Tue, 13 Nov 2018 00:08:48 +0300
Alexander Popov <alex.popov@xxxxxxxxx> wrote:

> The stackleak_erase() function is called on the trampoline stack at the end
> of syscall. This stack is not big enough for ftrace and kprobes operations,
> e.g. it can be exhausted if we use kprobe_events for stackleak_erase().
> 
> So let's disable function tracing and kprobes for stackleak_erase().
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Alexander Popov <alex.popov@xxxxxxxxx>
>

Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

-- Steve