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
Date: Fri, 30 Jun 2023 20:45:01 +0100 [thread overview]
Message-ID: <20230630-imprecise-ibuprofen-98f70a8665da@spud> (raw)
In-Reply-To: <20230630-phrasing-strung-12e53988ad81@spud>
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On Fri, Jun 30, 2023 at 07:48:23PM +0100, Conor Dooley wrote:
> Hey Sami,
>
> 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 >=16,
> > 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.
>
> > base-commit: c6b0271053e7a5ae57511363213777f706b60489
>
> 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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next prev parent reply other threads:[~2023-06-30 19:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-29 23:42 [PATCH 0/6] riscv: KCFI support Sami Tolvanen
2023-06-29 23:42 ` [PATCH 1/6] riscv: Implement syscall wrappers Sami Tolvanen
2023-06-30 18:29 ` Kees Cook
2023-06-29 23:42 ` [PATCH 2/6] riscv: Add types to indirectly called assembly functions Sami Tolvanen
2023-06-30 18:25 ` Kees Cook
2023-06-29 23:42 ` [PATCH 3/6] riscv: Add ftrace_stub_graph Sami Tolvanen
2023-06-30 18:25 ` Kees Cook
2023-06-29 23:42 ` [PATCH 4/6] riscv: Add CFI error handling Sami Tolvanen
2023-06-30 18:26 ` Kees Cook
2023-06-30 19:03 ` Conor Dooley
2023-06-29 23:42 ` [PATCH 5/6] riscv/purgatory: Disable CFI Sami Tolvanen
2023-06-30 18:27 ` Kees Cook
2023-06-29 23:42 ` [PATCH 6/6] riscv: Allow CONFIG_CFI_CLANG to be selected Sami Tolvanen
2023-06-30 18:27 ` Kees Cook
2023-06-30 19:07 ` Conor Dooley
2023-07-05 20:43 ` Sami Tolvanen
2023-06-30 18:48 ` [PATCH 0/6] riscv: KCFI support Conor Dooley
2023-06-30 19:45 ` Conor Dooley [this message]
2023-07-05 20:41 ` Sami Tolvanen
2023-06-30 20:13 ` Nathan Chancellor
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