On Sun, May 19, 2013 at 11:34:53PM -0400, Vince Weaver wrote:
>
> Here's an updated patch that more or less exercises all of the
> perf_event_open() bits, up to around the 3.6 kernel or so.
>
> The patch is standalone against current trinity git.
>
> It could definitely use some review and tuning.
>
> I haven't turned up any issues with it, but that's partly because in my
> experience (the recent exploit being an exception) perf_event bugs rarely
> manifest with just an open call; they usually involve
> reads/writes/ioctls/mmaps/signals on the fd that is opened, as well as
> problems after fork/exec or else on complex events made of multiple
> perf_event_open() calls chained together (the call can take a previously
> opened fd as an argument). Testing things like this will be more
> difficult.
Looks ok to me. I applied it after making some whitespace changes.
thanks,
Dave
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