Re: [PATCH bpf-next 0/1] Support kCFI + BPF on riscv64
From: patchwork-bot+netdevbpf
Date: Wed Mar 06 2024 - 17:41:15 EST
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Sun, 3 Mar 2024 17:02:06 +0000 you wrote:
> With CONFIG_CFI_CLANG, the compiler injects a type preamble immediately
> before each function and a check to validate the target function type
> before indirect calls:
>
> ; type preamble
> .word <id>
> function:
> ...
> ; indirect call check
> lw t1, -4(a0)
> lui t2, <hi20>
> addiw t2, t2, <lo12>
> beq t1, t2, .Ltmp0
> ebreak
> .Ltmp0:
> jarl a0
>
> [...]
Here is the summary with links:
- [bpf-next,1/1] riscv64/cfi,bpf: Support kCFI + BPF on riscv64
https://git.kernel.org/bpf/bpf-next/c/dfd646d117b7
You are awesome, thank you!
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