netdev - Re: [PATCH bpf] bpf: Fix the off-by-two error in range markings

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Message-Id: <163856460954.2307.15260762040124068016.git-patchwork-notify@kernel.org>
Date:   Fri, 03 Dec 2021 20:50:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Maxim Mikityanskiy <maximmi@...dia.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, shuah@...nel.org,
        davem@...emloft.net, kuba@...nel.org, hawk@...nel.org,
        bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf] bpf: Fix the off-by-two error in range markings

Hello:

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

On Tue, 30 Nov 2021 20:16:07 +0200 you wrote:
> The first commit cited below attempts to fix the off-by-one error that
> appeared in some comparisons with an open range. Due to this error,
> arithmetically equivalent pieces of code could get different verdicts
> from the verifier, for example (pseudocode):
> 
>   // 1. Passes the verifier:
>   if (data + 8 > data_end)
>       return early
>   read *(u64 *)data, i.e. [data; data+7]
> 
> [...]

Here is the summary with links:
  - [bpf] bpf: Fix the off-by-two error in range markings
    https://git.kernel.org/bpf/bpf/c/2fa7d94afc1a

You are awesome, thank you!
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