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 6A1A744376; Thu, 15 Aug 2024 13:46:09 +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=1723729569; cv=none; b=cQJoGHi5T3Zw6exYXPigJCpqsipVKh1AC48PcY4fJ8CtD5v8RGFR5dVWGpWG2ruE6GB0n7qAYfwj+eR/+EiRGERMvSnHjwMfLgiUiBreWO8pbCQlFERc2K3aMk0IIDYbF8IEQKIts23OVeDVK7cfP1A61sfRftIsRFrVIzxRtPU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723729569; c=relaxed/simple; bh=NVieRT+8FWo6QvJK4A62RUtt0aRnXvv9wRQV6suPawc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iTLtg40ckNQ+W/fVovN36BTOmX8MVUALYBeuOvjc1g1AQV57zlPKMTSpyovmW6Rq9qQAffx8Yvbj5C2/4cB4l/wO8VgoagHHCKI4FMdn+jPEOZ20tM/uMJlVLVkQX8Y6taDgVZxh1V+V0SCmlHJ1hZ4L/PhVj4gu2waUkWvPzWw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OFbJ/+7P; 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="OFbJ/+7P" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD95AC32786; Thu, 15 Aug 2024 13:46:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1723729569; bh=NVieRT+8FWo6QvJK4A62RUtt0aRnXvv9wRQV6suPawc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OFbJ/+7PmsGBClB15rCmLpp/nIYLz3V4hYYdJRHpnUTyiAApgpRt2/Zih0GVX2eeZ yN+m+mg/gpFMJrLI/T4/YJRXzqn0rfe8lwE6M2r8ulYQgWlSO2iJeCYlrkTlWSR+KN K7yJBQEtuxCm2FWaraLBt3MrqfiXO4XahyWqUdXQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chengchang Tang , Junxian Huang , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 140/484] RDMA/hns: Fix missing pagesize and alignment check in FRMR Date: Thu, 15 Aug 2024 15:19:58 +0200 Message-ID: <20240815131946.820936602@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240815131941.255804951@linuxfoundation.org> References: <20240815131941.255804951@linuxfoundation.org> User-Agent: quilt/0.67 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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chengchang Tang [ Upstream commit d387d4b54eb84208bd4ca13572e106851d0a0819 ] The offset requires 128B alignment and the page size ranges from 4K to 128M. Fixes: 68a997c5d28c ("RDMA/hns: Add FRMR support for hip08") Signed-off-by: Chengchang Tang Signed-off-by: Junxian Huang Link: https://lore.kernel.org/r/20240710133705.896445-5-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_device.h | 4 ++++ drivers/infiniband/hw/hns/hns_roce_mr.c | 5 +++++ 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index e02107123c970..f234fd8e4a2be 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -100,6 +100,7 @@ #define MR_TYPE_DMA 0x03 #define HNS_ROCE_FRMR_MAX_PA 512 +#define HNS_ROCE_FRMR_ALIGN_SIZE 128 #define PKEY_ID 0xffff #define GUID_LEN 8 @@ -220,6 +221,9 @@ enum { #define HNS_HW_PAGE_SHIFT 12 #define HNS_HW_PAGE_SIZE (1 << HNS_HW_PAGE_SHIFT) +#define HNS_HW_MAX_PAGE_SHIFT 27 +#define HNS_HW_MAX_PAGE_SIZE (1 << HNS_HW_MAX_PAGE_SHIFT) + struct hns_roce_uar { u64 pfn; unsigned long index; diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 7106e51d5fad1..938db3f5aabe6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -446,6 +446,11 @@ int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, struct hns_roce_mtr *mtr = &mr->pbl_mtr; int ret, sg_num = 0; + if (!IS_ALIGNED(*sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) || + ibmr->page_size < HNS_HW_PAGE_SIZE || + ibmr->page_size > HNS_HW_MAX_PAGE_SIZE) + return sg_num; + mr->npages = 0; mr->page_list = kvcalloc(mr->pbl_mtr.hem_cfg.buf_pg_count, sizeof(dma_addr_t), GFP_KERNEL); -- 2.43.0