linux-kernel - Re: [PATCH bpf v3 0/2] bpf: Fix incorrect immediate spill

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Date:   Thu, 02 Nov 2023 06:00:24 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Hao Sun <sunhao.th@...il.com>
Cc:     ast@...nel.org, daniel@...earbox.net, john.fastabend@...il.com,
        andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
        yonghong.song@...ux.dev, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, mykolal@...com,
        shuah@...nel.org, eddyz87@...il.com, shung-hsi.yu@...e.com,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH bpf v3 0/2] bpf: Fix incorrect immediate spill

Hello:

This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Wed, 01 Nov 2023 13:33:50 +0100 you wrote:
> Immediate is incorrectly cast to u32 before being spilled, losing sign
> information. The range information is incorrect after load again. Fix
> immediate spill by remove the cast. The second patch add a test case
> for this.
> 
> Signed-off-by: Hao Sun <sunhao.th@...il.com>
> 
> [...]

Here is the summary with links:
  - [bpf,v3,1/2] bpf: Fix check_stack_write_fixed_off() to correctly spill imm
    https://git.kernel.org/bpf/bpf/c/811c363645b3
  - [bpf,v3,2/2] selftests/bpf: Add test for immediate spilled to stack
    https://git.kernel.org/bpf/bpf/c/85eb035e6cfd

You are awesome, thank you!
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