linux-kernel - Re: [PATCH bpf-next v2] bpf, arm64: Sign return address for jited code

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Message-Id: <164919661303.14188.16221204846341071276.git-patchwork-notify@kernel.org>
Date:   Tue, 05 Apr 2022 22:10:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Xu Kuohai <xukuohai@...wei.com>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        daniel@...earbox.net, ast@...nel.org, zlim.lnx@...il.com,
        catalin.marinas@....com, will@...nel.org, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org
Subject: Re: [PATCH bpf-next v2] bpf, arm64: Sign return address for jited code

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Sat, 2 Apr 2022 03:39:42 -0400 you wrote:
> Sign return address for jited code when the kernel is built with pointer
> authentication enabled.
> 
> 1. Sign LR with paciasp instruction before LR is pushed to stack. Since
>    paciasp acts like landing pads for function entry, no need to insert
>    bti instruction before paciasp.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2] bpf, arm64: Sign return address for jited code
    https://git.kernel.org/bpf/bpf-next/c/042152c27c3b

You are awesome, thank you!
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