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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

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!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html