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 4E9092ECD19 for ; Mon, 29 Sep 2025 14:42:46 +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=1759156966; cv=none; b=EKLk83KNYaapXdmAZQYvuvVpNOwjaKmWPfcE4VoDWPD4d0hUhDUUiXn/rkAERpcDTQy9622RsWYxTJOqnjfOBo8s9bAlRQcNoKtZ9Y1LyNtKL5VW0OTqyqU96jzQ9g0cDNdYRxbXC6cAyeDuvQK8BjS5DJMBk3XFX441/PwCJtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759156966; c=relaxed/simple; bh=T4bZ0RqIifj1qRdHxcIwsqVvLzqWia5kpA7NcxvOG+o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BX6N9pwudQxhMYDv9edwmi6nDv966QWvP+1jK4kB5XYdw6/XZSKyDeWMIRjeuiBfgcEvsHaEaqFnsAZnCTP6e0rxt6iC76Xjrer7knIblQdfE6z0rrA/jdhvlNi4D5883+P44gtN/leCh70tF6zYuQmov6tWQi2AnKpHlO8J5Zo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PLVztG1C; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PLVztG1C" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19F7AC4CEF4; Mon, 29 Sep 2025 14:42:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759156965; bh=T4bZ0RqIifj1qRdHxcIwsqVvLzqWia5kpA7NcxvOG+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PLVztG1C3f93JWY6bzTm+EzF8xHVTpDmb9Vww3JrmXRx+P8/fMNKoio/jXGhIqFMf d1a9yfOd7XWV93/5iCwFLKYjo6VTC2VvN8eASYph63MM3eg9opklGecqeDg0s0LRdB TNbItU3UphPioQSyO+umouKeAydviS7eMgBQYqTR8F/UFJxvN7VxwzKjiD6oOoPHAX mh8Slv6w6rVGyjo+10RUdLMp7TwbvnxkR/nmq7+FJL4kEZ9HjYBim6Mo+cyJaLKOHN CykPGPLz4vmecbWFW38DdCinNl1IntnQtkeXqylO/lPnIGv/n6lKhMyutR8jfOQouH KSspb9HaLVSrA== From: Sasha Levin To: stable@vger.kernel.org Cc: Lukasz Czapnik , Aleksandr Loktionov , Przemek Kitszel , Simon Horman , Kamakshi Nellore , Tony Nguyen , Sasha Levin Subject: [PATCH 6.1.y] i40e: fix idx validation in config queues msg Date: Mon, 29 Sep 2025 10:42:43 -0400 Message-ID: <20250929144243.104777-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025092935-lethargy-falcon-de3b@gregkh> References: <2025092935-lethargy-falcon-de3b@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Lukasz Czapnik [ Upstream commit f1ad24c5abe1eaef69158bac1405a74b3c365115 ] 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 [ Adjust context ] Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 7cfcb16c30911..c8ba3710837f9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2386,7 +2386,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) } if (vf->adq_enabled) { - if (idx >= ARRAY_SIZE(vf->ch)) { + if (idx >= vf->num_tc) { aq_ret = I40E_ERR_NO_AVAILABLE_VSI; goto error_param; } @@ -2407,7 +2407,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) * 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 = I40E_ERR_NO_AVAILABLE_VSI; goto error_param; } -- 2.51.0