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 E2AA41F3FED; Tue, 30 Sep 2025 15:25:14 +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=1759245915; cv=none; b=FZcMbJlPzUi2s0TQoc4NkbXzPwCTeOMnLyH5kWlkEG6MsTd4R9AOmCb+0F0cPVUUHkDMGVIvPzw0OfAWbloBYZmO2F3yf3TTBvky3Hy2J0hk3BP/+FyOPBRk+hzcxUi9IaArpjVm7+uWkSVtQKa1ZLzASUD+o4QyFOO4fM7WTDo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759245915; c=relaxed/simple; bh=TNTVfadz/Hssk0yQ4QqWa1Jj76cfxiGKt/bZ8Enj1X0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UuWlk4ssdwx7nK2Yl9e6yoI/9qNnMUsb7yvHmS1lKMwl8dtdje46ltMjAzOQ5MLdeWmQg57kSG5am9lkFo4b6wXS8zql8ZN/Wf1IAgtC9qMuHQSCzXyuYTFAIWkPqOd3CKFMo6ozpI/RMNUhAx2GV7IwfhOlCvuQ7rgefPTnKe4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=IPP1FaiC; 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="IPP1FaiC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 535E0C4CEF0; Tue, 30 Sep 2025 15:25:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1759245914; bh=TNTVfadz/Hssk0yQ4QqWa1Jj76cfxiGKt/bZ8Enj1X0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IPP1FaiC1bhtgqHPRxP9TBEvB5U6XrdHeY3ntFdMZFIyGNxn9wmsGSmeWzmdBC7Kx sxhmpPbD1TTP0xyhS28/G7ecW1Wx996Q9S0Vh5THvjcSNRpbtg2oU7Nxn/jSCh0yI2 CR9cafDMZtqdQ+G4HaCrN+ztAGVcYxzLpTWpejYk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lukasz Czapnik , Aleksandr Loktionov , Przemek Kitszel , Simon Horman , Tony Nguyen , Kamakshi Nellore Subject: [PATCH 6.6 57/91] i40e: fix idx validation in config queues msg Date: Tue, 30 Sep 2025 16:47:56 +0200 Message-ID: <20250930143823.560149608@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250930143821.118938523@linuxfoundation.org> References: <20250930143821.118938523@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: Lukasz Czapnik commit f1ad24c5abe1eaef69158bac1405a74b3c365115 upstream. Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg(). Fixes: c27eac48160d ("i40e: Enable ADq and create queue channel/s on VF") Cc: stable@vger.kernel.org Signed-off-by: Lukasz Czapnik Reviewed-by: Aleksandr Loktionov Signed-off-by: Przemek Kitszel Reviewed-by: Simon Horman Tested-by: Kamakshi Nellore (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2390,7 +2390,7 @@ static int i40e_vc_config_queues_msg(str } if (vf->adq_enabled) { - if (idx >= ARRAY_SIZE(vf->ch)) { + if (idx >= vf->num_tc) { aq_ret = -ENODEV; goto error_param; } @@ -2411,7 +2411,7 @@ static int i40e_vc_config_queues_msg(str * to its appropriate VSIs based on TC mapping */ if (vf->adq_enabled) { - if (idx >= ARRAY_SIZE(vf->ch)) { + if (idx >= vf->num_tc) { aq_ret = -ENODEV; goto error_param; }