From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 470A1223323; Mon, 2 Jun 2025 14:11:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748873487; cv=none; b=KkqSZa9sgy2aQpKUsayo2JTECzHm8wiM+yGrQqbG2C/JLwUXnu9YHaKaS1DLA6rQkgBWMYeOfl5gUfwmZijmtkCgXGya5iNSfZwWv5qAykw/UE9Qt/QWxkbhicGBEHklI902F2bAs0w59m6Qvhti65D9HMjiKF6SUMRnUlbwo0Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748873487; c=relaxed/simple; bh=MWSiRZlnP4iXMDGnKODVvah6326vXDZnL/H9BZ3o+ew=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dCIr9+KInqs8vwPkICOptSQ/B1LHDofTAzrEh9o6Qx0Mg1V/IV1ulVbYRrtOvcVwlD4OOq7CSjIQzJmVnZqyXWhUpJykf4nSXoCYalZ71rhmfcdpQJoTKd3g5HOmPhvsXgAZXtMkwIPZs7sCaNf6rnEAK3uWQDBlXLsKwPD1T2w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ijmcNsQz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ijmcNsQz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 873CBC4CEEB; Mon, 2 Jun 2025 14:11:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748873487; bh=MWSiRZlnP4iXMDGnKODVvah6326vXDZnL/H9BZ3o+ew=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijmcNsQzPKjaR2aETJ9GpzPxp5mXhDjWey+4qII20c+hLFOAEAdhsqNUseXqmF1kO nTHNPwUtWwsUWWtq1WCdGuM+QIQuXK9ZIteORkxkV7KlXuFU5JvkVVO+fIYgOCUs2V MjTc73iH7HJKBnoZS3BDmhVDOsFUw8254sGsGp1U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yunke Cao , Hans de Goede , Ricardo Ribalda , Hans Verkuil , Sasha Levin Subject: [PATCH 6.6 157/444] media: uvcvideo: Add sanity check to uvc_ioctl_xu_ctrl_map Date: Mon, 2 Jun 2025 15:43:41 +0200 Message-ID: <20250602134347.279030733@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250602134340.906731340@linuxfoundation.org> References: <20250602134340.906731340@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: Ricardo Ribalda [ Upstream commit 990262fdfce24d6055df9711424343d94d829e6a ] Do not process unknown data types. Tested-by: Yunke Cao Reviewed-by: Hans de Goede Signed-off-by: Ricardo Ribalda Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-15-5900a9fed613@chromium.org Signed-off-by: Hans de Goede Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_v4l2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 7bcd706281daf..cb7d9fb589fca 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -106,6 +106,12 @@ static int uvc_ioctl_xu_ctrl_map(struct uvc_video_chain *chain, struct uvc_control_mapping *map; int ret; + if (xmap->data_type > UVC_CTRL_DATA_TYPE_BITMASK) { + uvc_dbg(chain->dev, CONTROL, + "Unsupported UVC data type %u\n", xmap->data_type); + return -EINVAL; + } + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; -- 2.39.5