Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Tue, 6 Dec 2022 17:14:10 +0800 you wrote:
> From: Pu Lehui <pulehui@xxxxxxxxxx>
>
> For BPF_PSEUDO_FUNC instruction, verifier will refill imm with
> correct addresses of bpf_calls and then run last pass of JIT.
> Since the emit_imm of RV64 is variable-length, which will emit
> appropriate length instructions accorroding to the imm, it may
> broke ctx->offset, and lead to unpredictable problem, such as
> inaccurate jump. So let's fix it with fixed-length instructions.
>
> [...]
Here is the summary with links:
- [bpf,v3] riscv, bpf: Emit fixed-length instructions for BPF_PSEUDO_FUNC
https://git.kernel.org/bpf/bpf-next/c/b54b6003612a
You are awesome, thank you!
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