On 17/06/2019 09:12, Jan Beulich wrote:
> Nothing (afaics) guarantees that the original frame's stack pointer

I'd drop the (afaics), because the answer really is nothing.

> points at readable memory. Avoid a (likely nested) crash by attaching
> exception recovery to the read (making it a single read at the same
> time). Don't even invoke _show_trace() in case of a non-readable top
> slot.
>
> Signed-off-by: Jan Beulich <jbeul...@suse.com>

Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>

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