From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E7C333A9D6; Tue, 21 Jul 2026 20:15:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664921; cv=none; b=V5YaYohHlZDmu5EFcYNlDbGJtr6C8PgNymMc5QGXAv8YxN6CSM07GfxNe/a5KqsNWCSc1K5dz/jISoxWe7n+oPEWVOTUe+ouXdn39g07AFMEesdK7+Hz90vRJG97vPxx76jA+vvc9PLK6jISAABoAv972xEvR7NJ7/vgumB3CMo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664921; c=relaxed/simple; bh=9baZOSdqa5fGkYcQ+bGnMiZ/zNLvBjHe+EETa2vxfOE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e1uMwP1muAS3Dh+oRCRooAg+qtd5TS+49KicQcj9r7otaXM6zMXzMPDl6Poswa5i3s95lwPnP3cUFE+MgB/jbIzBcnkxW31FZqSODdNt3N/B7moJHrWOg5MwkYezbinuyNezuSbA4Bg8UTvNMqWk+csqjtYOoIi80WBO5C34NHw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=O9GKJSvS; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="O9GKJSvS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0EFA71F000E9; Tue, 21 Jul 2026 20:15:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784664920; bh=kT50HIL5ZrSEEqwnFxFtz1bWrWU1wh8ckewJ70U1l0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=O9GKJSvSaLGJneLuQwOUB2DGfv6FITk4nUQV12J5IHZ+U047bfGH7aFO9fdjlqFzz TGR7TEEXYHv120v0fQpiqYmu5MWUu5/q251h8a/9PwKIF2PQZxL4+FuGdCyRL3adDS eijh8nIVCzmk6IJpi4Q9bBb1FlWtXn/c5p6qxj/I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhao Dongdong , Takashi Iwai Subject: [PATCH 6.6 0109/1266] ALSA: ice1712: check snd_ctl_new1() return value Date: Tue, 21 Jul 2026 17:09:06 +0200 Message-ID: <20260721152444.239019341@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhao Dongdong commit 2b929b91b0f3bc6de8a844370049cd99ee8e31ff upstream. snd_ctl_new1() can return NULL when memory allocation fails. The ice1712 driver calls snd_ctl_new1() without checking the return value before dereferencing the pointer in multiple places (ice1712.c, ice1724.c, aureon.c), which can lead to NULL pointer dereferences. Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any fails. Assisted-by: Opencode:DeepSeek-V4-Flash Cc: stable@vger.kernel.org Fixes: b9a4efd61b6b ("ALSA: ice1712,ice1724: fix the kcontrol->id initialization") Signed-off-by: Zhao Dongdong Link: https://patch.msgid.link/tencent_42E5E2AB1B6A5101F7EE8C2117F1F687BB07@qq.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/ice1712/aureon.c | 2 ++ sound/pci/ice1712/ice1712.c | 8 ++++++++ sound/pci/ice1712/ice1724.c | 6 ++++++ 3 files changed, 16 insertions(+) --- a/sound/pci/ice1712/aureon.c +++ b/sound/pci/ice1712/aureon.c @@ -1900,6 +1900,8 @@ static int aureon_add_controls(struct sn for (i = 0; i < ARRAY_SIZE(cs8415_controls); i++) { struct snd_kcontrol *kctl; kctl = snd_ctl_new1(&cs8415_controls[i], ice); + if (!kctl) + return -ENOMEM; if (i > 1) kctl->id.device = ice->pcm->device; err = snd_ctl_add(ice->card, kctl); --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2372,21 +2372,29 @@ int snd_ice1712_spdif_build_controls(str if (snd_BUG_ON(!ice->pcm_pro)) return -EIO; kctl = snd_ctl_new1(&snd_ice1712_spdif_default, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm_pro->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) return err; kctl = snd_ctl_new1(&snd_ice1712_spdif_maskc, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm_pro->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) return err; kctl = snd_ctl_new1(&snd_ice1712_spdif_maskp, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm_pro->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) return err; kctl = snd_ctl_new1(&snd_ice1712_spdif_stream, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm_pro->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2393,16 +2393,22 @@ static int snd_vt1724_spdif_build_contro return err; kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) return err; kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm->device; err = snd_ctl_add(ice->card, kctl); if (err < 0) return err; kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice); + if (!kctl) + return -ENOMEM; kctl->id.device = ice->pcm->device; err = snd_ctl_add(ice->card, kctl); if (err < 0)