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Message-ID: <13ad9530-8e9a-4955-8844-aaf49146e988@sirena.org.uk>
Date: Fri, 1 Aug 2025 13:05:28 +0100
From: Mark Brown <broonie@...nel.org>
To: Joris Verhaegen <verhaegen@...gle.com>
Cc: Vinod Koul <vkoul@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, Liam Girdwood <lgirdwood@...il.com>,
	Cezary Rojewski <cezary.rojewski@...el.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
	Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>,
	Srinivas Kandagatla <srini@...nel.org>,
	Daniel Baluta <daniel.baluta@....com>,
	Orson Zhai <orsonzhai@...il.com>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>,
	Chunyan Zhang <zhang.lyra@...il.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Masami Hiramatsu <mhiramat@...nel.org>, kernel-team@...roid.com,
	linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
	patches@...nsource.cirrus.com, linux-arm-msm@...r.kernel.org,
	sound-open-firmware@...a-project.org,
	linux-arm-kernel@...ts.infradead.org,
	Miller Liang <millerliang@...gle.com>
Subject: Re: [PATCH v4 1/3] ALSA: compress_offload: Add 64-bit safe timestamp
 infrastructure

On Fri, Aug 01, 2025 at 10:27:14AM +0100, Joris Verhaegen wrote:
> The copied_total field in struct snd_compr_tstamp is a 32-bit
> value that can overflow on long-running high-bitrate streams,
> leading to incorrect calculations for buffer availablility.

Acked-by: Mark Brown <broonie@...nel.org>

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