From patchwork Mon May 31 13:15:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 450981 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC3CFC4708F for ; Mon, 31 May 2021 14:29:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2334613AF for ; Mon, 31 May 2021 14:29:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233121AbhEaOa5 (ORCPT ); Mon, 31 May 2021 10:30:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:54710 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232803AbhEaO1f (ORCPT ); Mon, 31 May 2021 10:27:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 72E5061613; Mon, 31 May 2021 13:47:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1622468864; bh=rBrdI77HY/HSOdFz+fqOt2pQNvjFD10h6ks7goS58YE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XllP85OFXgDsrSDu9rhEwXsdoha/XXTvVrBgHHYA+M57D6ygyJZoDCPdfisznyfNc eu2htMXZvgR5Iq+hzK5WDfT5SHFI0nI6SzF9gBW9cJ/OO96U81+4sldQMIWbw4ccrq 4bvS4GT1eyT5eLhGlzWBYTUcBYdovwYwLWqyi6dc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Awogbemila , Willem de Brujin , "David S. Miller" , Sasha Levin Subject: [PATCH 5.4 156/177] gve: Correct SKB queue index validation. Date: Mon, 31 May 2021 15:15:13 +0200 Message-Id: <20210531130653.309315771@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210531130647.887605866@linuxfoundation.org> References: <20210531130647.887605866@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: David Awogbemila [ Upstream commit fbd4a28b4fa66faaa7f510c0adc531d37e0a7848 ] SKBs with skb_get_queue_mapping(skb) == tx_cfg.num_queues should also be considered invalid. Fixes: f5cedc84a30d ("gve: Add transmit and receive support") Signed-off-by: David Awogbemila Acked-by: Willem de Brujin Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/google/gve/gve_tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c index 30532ee28dd3..b653197b34d1 100644 --- a/drivers/net/ethernet/google/gve/gve_tx.c +++ b/drivers/net/ethernet/google/gve/gve_tx.c @@ -482,7 +482,7 @@ netdev_tx_t gve_tx(struct sk_buff *skb, struct net_device *dev) struct gve_tx_ring *tx; int nsegs; - WARN(skb_get_queue_mapping(skb) > priv->tx_cfg.num_queues, + WARN(skb_get_queue_mapping(skb) >= priv->tx_cfg.num_queues, "skb queue index out of range"); tx = &priv->tx[skb_get_queue_mapping(skb)]; if (unlikely(gve_maybe_stop_tx(tx, skb))) {