From nobody Sat Sep 27 20:22:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 556FEC52D7A for ; Tue, 23 Aug 2022 10:23:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355245AbiHWKXW (ORCPT ); Tue, 23 Aug 2022 06:23:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353402AbiHWKL0 (ORCPT ); Tue, 23 Aug 2022 06:11:26 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0E387F094; Tue, 23 Aug 2022 01:56:42 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0C4FEB81C3E; Tue, 23 Aug 2022 08:56:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F00CC433D6; Tue, 23 Aug 2022 08:56:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661244999; bh=Qv6ZPkimk60J/z99QV34gPcNVKVWvbzTNrs91mDfqTY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ITZ5Agz8P9NiqzZ9GZBfO01aYHqx8fHjuUyUFEAy5prxYVBF8FrGPmFCqIKkRgeGe /fR7Ge4vLtQIOur2xbjvSBx5hJ1DNSm+pakQ7F5HiToC+92q0FVb4MlKhpy6NpGF93 MZqoIAtXnoRBwb3b5IkrYN61d1rPEmMDb4wHwJg4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ofir Bitton , Oded Gabbay , Sasha Levin Subject: [PATCH 5.15 186/244] habanalabs/gaudi: fix shift out of bounds Date: Tue, 23 Aug 2022 10:25:45 +0200 Message-Id: <20220823080105.561121637@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080059.091088642@linuxfoundation.org> References: <20220823080059.091088642@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Ofir Bitton [ Upstream commit 01622098aeb05a5efbb727199bbc2a4653393255 ] When validating NIC queues, queue offset calculation must be performed only for NIC queues. Signed-off-by: Ofir Bitton Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay Signed-off-by: Sasha Levin --- drivers/misc/habanalabs/gaudi/gaudi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalab= s/gaudi/gaudi.c index 14da87b38e83..801acab048eb 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -5744,15 +5744,17 @@ static int gaudi_parse_cb_no_ext_queue(struct hl_de= vice *hdev, { struct asic_fixed_properties *asic_prop =3D &hdev->asic_prop; struct gaudi_device *gaudi =3D hdev->asic_specific; - u32 nic_mask_q_id =3D 1 << (HW_CAP_NIC_SHIFT + - ((parser->hw_queue_id - GAUDI_QUEUE_ID_NIC_0_0) >> 2)); + u32 nic_queue_offset, nic_mask_q_id; =20 if ((parser->hw_queue_id >=3D GAUDI_QUEUE_ID_NIC_0_0) && - (parser->hw_queue_id <=3D GAUDI_QUEUE_ID_NIC_9_3) && - (!(gaudi->hw_cap_initialized & nic_mask_q_id))) { - dev_err(hdev->dev, "h/w queue %d is disabled\n", - parser->hw_queue_id); - return -EINVAL; + (parser->hw_queue_id <=3D GAUDI_QUEUE_ID_NIC_9_3)) { + nic_queue_offset =3D parser->hw_queue_id - GAUDI_QUEUE_ID_NIC_0_0; + nic_mask_q_id =3D 1 << (HW_CAP_NIC_SHIFT + (nic_queue_offset >> 2)); + + if (!(gaudi->hw_cap_initialized & nic_mask_q_id)) { + dev_err(hdev->dev, "h/w queue %d is disabled\n", parser->hw_queue_id); + return -EINVAL; + } } =20 /* For internal queue jobs just check if CB address is valid */ --=20 2.35.1