From: Takashi Iwai <tiwai@suse.de>
To: Denis Arefev <arefev@swemel.ru>
Cc: David Rhodes <david.rhodes@cirrus.com>,
Richard Fitzgerald <rf@opensource.cirrus.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Stefan Binding <sbinding@opensource.cirrus.com>,
linux-sound@vger.kernel.org, patches@opensource.cirrus.com,
linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org,
stable@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
Date: Fri, 05 Dec 2025 15:13:29 +0100 [thread overview]
Message-ID: <87sedpvwxi.wl-tiwai@suse.de> (raw)
In-Reply-To: <20251202101338.11437-1-arefev@swemel.ru>
On Tue, 02 Dec 2025 11:13:36 +0100,
Denis Arefev wrote:
>
> The acpi_get_first_physical_node() function can return NULL, in which
> case the get_device() function also returns NULL, but this value is
> then dereferenced without checking,so add a check to prevent a crash.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems")
> Cc: stable@vger.kernel.org
> Signed-off-by: Denis Arefev <arefev@swemel.ru>
Applied now. Thanks.
Takashi
prev parent reply other threads:[~2025-12-05 14:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-02 10:13 [PATCH] ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi() Denis Arefev
2025-12-04 11:00 ` Richard Fitzgerald
2025-12-05 14:13 ` Takashi Iwai [this message]
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