From: Kees Cook <keescook@chromium.org>
To: "joao@overdrivepizza.com" <joao@overdrivepizza.com>
Cc: kernel-hardening@lists.openwall.com,
vasileios_kemerlis@brown.edu, sandro@ic.unicamp.br
Subject: Re: kCFI sources
Date: Fri, 3 Apr 2020 16:28:10 -0700 [thread overview]
Message-ID: <202004031626.B2FDF354@keescook> (raw)
In-Reply-To: <3446-5e86ca00-7-77f96080@18228891>
On Fri, Apr 03, 2020 at 07:29:38AM +0200, joao@overdrivepizza.com wrote:
> FWIW, In case someone has any interest in looking into it, a month ago I uploaded the old sources for a kernel CFI prototype I implemented back in 2015/2016 (kCFI) here: https://github.com/kcfi/kcfi
Great; thanks!
> As is, the code supports kernel 3.19. It is no longer maintained and, given that the upstream Linux kernel may have its own CFI scheme somewhat soon, I don't believe that there is much sense in trying to forward-port it or anything. Either way, if it is useful for anyone, there you go.
Weren't there updates make to LLVM to provide a more fine-grained
bucketization of the function prototypes? (i.e. instead of all "void
func(void)" being in one bucket, they got chopped into more buckets?)
--
Kees Cook
next prev parent reply other threads:[~2020-04-03 23:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 5:29 kCFI sources joao
2020-04-03 23:28 ` Kees Cook [this message]
2020-04-04 1:28 ` joao
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