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Date: Fri, 30 Jun 2023 20:45:01 +0100
From: Conor Dooley <conor@kernel.org>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Kees Cook <keescook@chromium.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	linux-riscv@lists.infradead.org, llvm@lists.linux.dev,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] riscv: KCFI support
Message-ID: <20230630-imprecise-ibuprofen-98f70a8665da@spud>
References: <20230629234244.1752366-8-samitolvanen@google.com>
 <20230630-phrasing-strung-12e53988ad81@spud>
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On Fri, Jun 30, 2023 at 07:48:23PM +0100, Conor Dooley wrote:
> Hey Sami,
>=20
> On Thu, Jun 29, 2023 at 11:42:45PM +0000, Sami Tolvanen wrote:
> > This series adds KCFI support for RISC-V. KCFI is a fine-grained
> > forward-edge control-flow integrity scheme supported in Clang >=3D16,
> > which ensures indirect calls in instrumented code can only branch to
> > functions whose type matches the function pointer type, thus making
> > code reuse attacks more difficult.
>=20
> > base-commit: c6b0271053e7a5ae57511363213777f706b60489
>=20
> Could you please rebase this on top of v6.5-rc1 when that comes out?
> This base-commit is some random commit from Linus' tree, that because we
> are currently in the merge window has is not in the RISC-V trees yet,
> and means the series wasn't applied by our CI stuff.

In other news, I gave it a go with 03b118c7e456 ("[SLP] Fix crash on
attempt to access on invalid iterator state.") & have been running it
for a bit. All seems in order so far, nice :)

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