From patchwork Mon Oct 21 14:34:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 13844275 Received: from forward101b.mail.yandex.net (forward101b.mail.yandex.net [178.154.239.148]) (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 8E66810A1E; Mon, 21 Oct 2024 14:34:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.148 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729521274; cv=none; b=GAeErpU+0QB7R7b8fEECcO2HAuwi8+ubOoPq/JsOpgSttyyhvvPV5wwp9VPZ1dJsRMRGjprhSyYQwPLyA1DTcSx52qgz1nq721i8plc0k/PbglSrQDSkj2MClYIhb9InEBsRaWZdS1IMHItWub8DXyQdrijG1GTSpHUq6dAQ1Os= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729521274; c=relaxed/simple; bh=yMAItFyhgpcqTSt4usJTGu4wJeWl8vY6+wsPHFvrQcs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mHWezZYPY57uuNGIXSQIqRVASZIppQVJPX0pKMCJWiHJjpP+wR5V/bMowoTVtxqKKaAtHgLLKskLz4lS68mJY8XgD0ODNSgHLK/BLFFavDYdAxMYw6Y4UVnhYGfdpW/gEtxq5lSd5hUw+tXupde4oGu91i9wD5fM6lh+H357uj0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru; spf=pass smtp.mailfrom=yandex.ru; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b=jsdaLZuD; arc=none smtp.client-ip=178.154.239.148 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yandex.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b="jsdaLZuD" Received: from mail-nwsmtp-smtp-production-main-25.sas.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-25.sas.yp-c.yandex.net [IPv6:2a02:6b8:c1c:2911:0:640:4396:0]) by forward101b.mail.yandex.net (Yandex) with ESMTPS id 73CCB60C70; Mon, 21 Oct 2024 17:34:24 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-25.sas.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id KYSvOR0ZrOs0-EbiNDfsF; Mon, 21 Oct 2024 17:34:23 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1729521263; bh=14zwWzswHzIcwUFXjbeP04U1XnUpSaYwD4URdYf6QW4=; h=Message-ID:Date:Cc:Subject:To:From; b=jsdaLZuD+Uu4KiVnFzmF4AtgLulIA9za2zriNc4zrGcEuOTtKxOkWRdwZdoVCWGJ8 RovmcOy8KTfTmXXqA7KtnZq70hn/+lp1s7EjPTG5MheN9gEL3PsXShbSTsgDPswQjJ dW+ONP53WUTZO0xTvkWBjKox2XLxYZi7GdSYpMok= Authentication-Results: mail-nwsmtp-smtp-production-main-25.sas.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: Jeff Johnson Cc: Kalle Valo , Kees Cook , linux-hardening@vger.kernel.org, linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH 1/2] wifi: ath12k: annotate skb of struct ath12k_ce_ring with __counted_by Date: Mon, 21 Oct 2024 17:34:18 +0300 Message-ID: <20241021143419.587716-1-dmantipov@yandex.ru> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Accorind to 'ath12k_ce_alloc_ring()', annotate flexible array member 'skb' of 'struct ath12k_ce_ring' with '__counted_by()' to improve runtime bounds checking when CONFIG_UBSAN_BOUNDS is enabled. Compile tested only. Signed-off-by: Dmitry Antipov --- drivers/net/wireless/ath/ath12k/ce.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/ce.h b/drivers/net/wireless/ath/ath12k/ce.h index 857bc5f9e946..6967e3891030 100644 --- a/drivers/net/wireless/ath/ath12k/ce.h +++ b/drivers/net/wireless/ath/ath12k/ce.h @@ -135,7 +135,7 @@ struct ath12k_ce_ring { u32 hal_ring_id; /* keep last */ - struct sk_buff *skb[]; + struct sk_buff *skb[] __counted_by(nentries); }; struct ath12k_ce_pipe {