From: patchwork-bot+netdevbpf@kernel.org
To: Yizhou Zhao <zhaoyz24@mails.tsinghua.edu.cn>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org,
yangyx22@mails.tsinghua.edu.cn, wangao@seu.edu.cn,
fengxw06@126.com, qli01@tsinghua.edu.cn, xuke@tsinghua.edu.cn
Subject: Re: [PATCH net] net: garp: fix unsigned integer underflow in garp_pdu_parse_attr
Date: Tue, 02 Jun 2026 19:20:06 +0000 [thread overview]
Message-ID: <178042800690.1014313.17359151426074181113.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260527083200.42861-1-zhaoyz24@mails.tsinghua.edu.cn>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 27 May 2026 16:31:58 +0800 you wrote:
> The receive-side GARP attribute parser computes dlen with reversed
> operands:
>
> dlen = sizeof(*ga) - ga->len;
>
> ga->len is the on-wire attribute length and includes the GARP attribute
> header. For normal attributes with data, ga->len is larger than
> sizeof(*ga), so the subtraction underflows in unsigned arithmetic.
>
> [...]
Here is the summary with links:
- [net] net: garp: fix unsigned integer underflow in garp_pdu_parse_attr
https://git.kernel.org/netdev/net/c/16e408e607a9
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-06-02 19:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 8:31 [PATCH net] net: garp: fix unsigned integer underflow in garp_pdu_parse_attr Yizhou Zhao
2026-06-02 16:17 ` Simon Horman
2026-06-02 19:20 ` patchwork-bot+netdevbpf [this message]
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