From: patchwork-bot+netdevbpf@kernel.org
To: Deep Shah <deepshah146@gmail.com>
Cc: netdev@vger.kernel.org, richardcochran@gmail.com,
davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
edumazet@google.com, andrew+netdev@lunn.ch,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
shuah@kernel.org, vadim.fedorenko@linux.dev, horms@kernel.org
Subject: Re: [PATCH net-next v3 0/2] ptp: reject frequency adjustments that overflow scaled_ppm_to_ppb()
Date: Thu, 06 Aug 2026 01:20:22 +0000 [thread overview]
Message-ID: <178597922226.593652.14156851954295543924.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260801222923.39017-1-deepshah146@gmail.com>
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sat, 1 Aug 2026 22:29:21 +0000 you wrote:
> ptp_clock_adjtime() validates an ADJ_FREQUENCY request by converting
> tx->freq to ppb and comparing it against ops->max_adj. On 64-bit systems
> that conversion can overflow s64 and wrap the result back into range, so
> a crafted tx->freq bypasses the check and reaches ->adjfine() unclamped.
>
> No real user space asks for such a frequency, so this is hardening rather
> than a fix anyone is waiting on, and it is targeted at net-next with no
> Fixes tag per Jakub's feedback on v2.
>
> [...]
Here is the summary with links:
- [net-next,v3,1/2] ptp: reject frequency adjustments that overflow scaled_ppm_to_ppb()
https://git.kernel.org/netdev/net-next/c/504ef04e8674
- [net-next,v3,2/2] selftests: ptp: add a regression test for the frequency adjustment overflow
(no matching commit)
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-08-06 1:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-01 22:29 [PATCH net-next v3 0/2] ptp: reject frequency adjustments that overflow scaled_ppm_to_ppb() Deep Shah
2026-08-01 22:29 ` [PATCH net-next v3 1/2] " Deep Shah
2026-08-02 18:49 ` Richard Cochran
2026-08-01 22:29 ` [PATCH net-next v3 2/2] selftests: ptp: add a regression test for the frequency adjustment overflow Deep Shah
2026-08-02 18:49 ` Richard Cochran
2026-08-06 1:16 ` [PATCH net-next v3 0/2] ptp: reject frequency adjustments that overflow scaled_ppm_to_ppb() Jakub Kicinski
2026-08-06 1:20 ` patchwork-bot+netdevbpf [this message]
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