linux-kernel - Re: [PATCH v3] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM

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Date:   Thu, 24 Feb 2022 22:58:50 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Ammar Faizi <ammarfaizi2@...weeb.org>
Cc:     Keyon Jie <yang.jie@...ux.intel.com>, stable@...r.kernel.org,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        alsa-devel@...a-project.org, Rander Wang <rander.wang@...el.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        sound-open-firmware@...a-project.org,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH v3] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM

On Fri, 25 Feb 2022 01:28:18 +0700, Ammar Faizi wrote:
> From: Ammar Faizi <ammarfaizi2@...weeb.org>
> 
> Do not call snd_dma_free_pages() when snd_dma_alloc_pages() returns
> -ENOMEM because it leads to a NULL pointer dereference bug.
> 
> The dmesg says:
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-linus

Thanks!

[1/1] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM
      commit: b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark