Re: [PATCH] io_uring: Add to traces the req pointer when available

Steven Rostedt
2021-05-29T17:56:03Z

On Sat, 29 May 2021 13:30:31 +0100
Pavel Begunkov <asml.silence@gmail.com> wrote:

> io_uring offers all different operations and has internal request/memory
> recycling, so it may be an easy vector of attack in case of some
> vulnerabilities found, but nothing special. As that's the status quo,
> I wouldn't care, let's put aside my concerns and print them raw.

There's a lot of information that the tracing subsystem gives that would
help several vectors of attack without the need for pointers. That's
why there's a lockdown method to disable all tracing. But the tracing
system is also good at finding out if your system has been compromised ;-)

-- Steve