Messages in this thread | | | Subject | Re: [PATCH v2 0/6] riscv: KCFI support | From | patchwork-bot+linux-riscv@kernel ... | Date | Wed, 30 Aug 2023 13:20:34 +0000 |
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Hello:
This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt <palmer@rivosinc.com>:
On Mon, 10 Jul 2023 18:35:45 +0000 you 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. > > Patch 1 implements a pt_regs based syscall wrapper to address > function pointer type mismatches in syscall handling. Patches 2 and 3 > annotate indirectly called assembly functions with CFI types. Patch 4 > implements error handling for indirect call checks. Patch 5 disables > CFI for arch/riscv/purgatory. Patch 6 finally allows CONFIG_CFI_CLANG > to be enabled for RISC-V. > > [...]
Here is the summary with links: - [v2,1/6] riscv: Implement syscall wrappers https://git.kernel.org/riscv/c/08d0ce30e0e4 - [v2,2/6] riscv: Add types to indirectly called assembly functions https://git.kernel.org/riscv/c/5f59c6855bad - [v2,3/6] riscv: Add ftrace_stub_graph https://git.kernel.org/riscv/c/f3a0c23f2539 - [v2,4/6] riscv: Add CFI error handling https://git.kernel.org/riscv/c/af0ead42f693 - [v2,5/6] riscv/purgatory: Disable CFI https://git.kernel.org/riscv/c/a72ab0361110 - [v2,6/6] riscv: Allow CONFIG_CFI_CLANG to be selected https://git.kernel.org/riscv/c/74f8fc31feb4
You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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