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 EC19D4F55AB for ; Mon, 19 Oct 2026 12:42:33 +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=1792413762; cv=none; b=WaXlKRUPMrLA3jw7f/TbZeJPv0pCCroatUUOpuuz60qSAussJjitI3/JtR2XobSLb5Kp9nNVcXn5SO4sSh+EgE9Hy/76UJNxgr1afXyfdyUXuI3h1Minkj/dryRB6bQbweJpDSqZpDrrmjtenx3ERAU+Q2KPwpljmjo2T7BbK3k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792413762; c=relaxed/simple; bh=mWq9bziQ+GpRs/mM19YYEFkl7tmAsTZTtk9UxtV1u5s=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=jsK5ZZczHveDtcf8MOidrfiYs/lB3SDzzG2Nmu5kmm/+/jLRDWvrE8a3zi1nwR3eagWsS8dcIe9yT758R6WyKqTneiCFmcnuM1cwYexPdk4nerUTcRtKXjs7OxG0Cr+YnyllBYON0YhCplfgcJz/Wmxlfj5932ppO24Cx7RteTU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l0P/hWhd; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="l0P/hWhd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14B1B1F000C4; Mon, 19 Oct 2026 12:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792413753; bh=9AikoSLVBTL8oMvtCQL6w9m+A9oTAEsb63qXjzwl6Fc=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=l0P/hWhd/iKTP6UU0xUj/GFfxzlIogRYKUQlGnhcCSif7YDUvzkc9/zVRYTRJp2yQ oVPOMH/3j9znW15/ypKuvQI1EZ5AKdRi+SOLdC8wo/QSEZEi+5L+KBOMbGCu5OBkG2 +G2Tp3kdJtABlx8aAeJZfcuDs8V3ZKnZdTNmbVKz0OrUGNUxAAaYFbNjShG0BaHUQa eS0FgkEK9TKZWtzwItEM85O3kb3pX7SVVpnxvOeGkH6uUCJ/lVC2gjal2Jjg0rEImQ jN2sX3TBJ/gZ1+hhM0pJhFSjfYfuWjTMmhiY7mhwz8q3gtf9RD78GSd7zaSsQt2hnx /cXKNr75uRZTA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH] USB: cdc-acm: fix NULL-deref on hangup Reply-To: sashiko-reviews@lists.linux.dev To: "Johan Hovold" Cc: linux-usb@vger.kernel.org In-Reply-To: <20261019123755.2008384-1-johan@kernel.org> References: <20261019123755.2008384-1-johan@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 19 Oct 2026 12:42:32 +0000 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Make sure to take a reference to the port tty when processing carrier > detect changes to avoid dereferencing a NULL pointer when the port is > being hung up. >=20 > Fixes: 3b563b901eef ("usb: cdc-acm: add PPS support") > Cc: stable@vger.kernel.org # 6.6 > Cc: Dan Drown > Signed-off-by: Johan Hovold Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261019123755.2008= 384-1-johan@kernel.org?part=3D1