From: patchwork-bot+netdevbpf@kernel.org
To: Maxim Mikityanskiy <maximmi@nvidia.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org, shuah@kernel.org,
davem@davemloft.net, kuba@kernel.org, hawk@kernel.org,
bpf@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH bpf] bpf: Fix the off-by-two error in range markings
Date: Fri, 03 Dec 2021 20:50:09 +0000 [thread overview]
Message-ID: <163856460954.2307.15260762040124068016.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20211130181607.593149-1-maximmi@nvidia.com>
Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.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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prev parent reply other threads:[~2021-12-03 20:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 18:16 [PATCH bpf] bpf: Fix the off-by-two error in range markings Maxim Mikityanskiy
2021-11-30 21:40 ` Daniel Borkmann
2021-12-01 11:31 ` Maxim Mikityanskiy
2021-12-03 20:55 ` Daniel Borkmann
2021-12-03 20:50 ` patchwork-bot+netdevbpf [this message]
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