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From: patchwork-bot+netdevbpf@kernel.org
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, richardcochran@gmail.com,
	jacob.e.keller@intel.com, netdev@vger.kernel.org
Subject: Re: [PATCH net] ptp: improve max_adj check against unreasonable values
Date: Tue, 15 Jun 2021 18:10:04 +0000	[thread overview]
Message-ID: <162378060450.20077.9174893174238822320.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210614222405.378030-1-kuba@kernel.org>

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 14 Jun 2021 15:24:05 -0700 you wrote:
> Scaled PPM conversion to PPB may (on 64bit systems) result
> in a value larger than s32 can hold (freq/scaled_ppm is a long).
> This means the kernel will not correctly reject unreasonably
> high ->freq values (e.g. > 4294967295ppb, 281474976645 scaled PPM).
> 
> The conversion is equivalent to a division by ~66 (65.536),
> so the value of ppb is always smaller than ppm, but not small
> enough to assume narrowing the type from long -> s32 is okay.
> 
> [...]

Here is the summary with links:
  - [net] ptp: improve max_adj check against unreasonable values
    https://git.kernel.org/netdev/net/c/475b92f93216

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2021-06-15 18:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-14 22:24 [PATCH net] ptp: improve max_adj check against unreasonable values Jakub Kicinski
2021-06-15  5:13 ` Richard Cochran
2021-06-15 18:10 ` patchwork-bot+netdevbpf [this message]

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