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From: patchwork-bot+bluetooth@kernel.org
To: Hui Peng <benquike@gmail.com>
Cc: marcel@holtmann.org, johan@kernel.org, luiz.von.dentz@gmail.com,
	linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH v2] sdp: Prevent integer underflow in string attribute length calculation
Date: Thu, 08 Oct 2026 15:00:08 +0000	[thread overview]
Message-ID: <179147160852.307075.7678126183237517482.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261008042720.3134391-1-benquike@gmail.com>

Hello:

This patch was applied to bluetooth/bluez.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Thu,  8 Oct 2026 04:27:20 +0000 you wrote:
> In lib/bluetooth/sdp.c, attribute string length calculations subtract
> sizeof(uint8_t) from d->unitSize (e.g. d->unitSize - sizeof(uint8_t)).
> When d->unitSize is 0 or less than sizeof(uint8_t), this subtraction
> underflows in 32-bit integer arithmetic to a negative/huge length value,
> passing invalid sizes to memory allocation and length extraction
> functions.
> 
> [...]

Here is the summary with links:
  - [v2] sdp: Prevent integer underflow in string attribute length calculation
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=1baa0a2aef3b

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



      parent reply	other threads:[~2026-10-08 15:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-08  4:27 [PATCH v2] sdp: Prevent integer underflow in string attribute length calculation Hui Peng
2026-10-08 10:39 ` [v2] " bluez.test.bot
2026-10-08 15:00 ` patchwork-bot+bluetooth [this message]

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