From: Steven Rostedt <[email protected]>
To: Pavel Begunkov <[email protected]>
Cc: Olivier Langlois <[email protected]>,
Stefan Metzmacher <[email protected]>, Jens Axboe <[email protected]>,
Ingo Molnar <[email protected]>,
[email protected], [email protected]
Subject: Re: [PATCH] io_uring: Add to traces the req pointer when available
Date: Sat, 29 May 2021 13:55:58 -0400 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Sat, 29 May 2021 13:30:31 +0100
Pavel Begunkov <[email protected]> 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
prev parent reply other threads:[~2021-05-29 17:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <[email protected]>
2021-05-25 8:21 ` [PATCH] io_uring: Add to traces the req pointer when available Pavel Begunkov
2021-05-25 8:33 ` Pavel Begunkov
2021-05-25 21:26 ` Olivier Langlois
2021-05-25 21:48 ` Olivier Langlois
2021-05-25 22:28 ` Jens Axboe
2021-05-26 8:28 ` Olivier Langlois
2021-05-25 21:29 ` Olivier Langlois
2021-05-26 12:38 ` Stefan Metzmacher
2021-05-26 16:18 ` Olivier Langlois
2021-05-26 17:19 ` Olivier Langlois
2021-05-29 12:18 ` Pavel Begunkov
2021-05-28 22:42 ` Steven Rostedt
2021-05-29 12:30 ` Pavel Begunkov
2021-05-29 12:34 ` Pavel Begunkov
2021-05-29 17:55 ` Steven Rostedt [this message]
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