From patchwork Thu Sep 10 11:25:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Meng Yu X-Patchwork-Id: 11767733 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15A87112E for ; Thu, 10 Sep 2020 12:20:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06E4C20BED for ; Thu, 10 Sep 2020 12:20:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728350AbgIJMUw (ORCPT ); Thu, 10 Sep 2020 08:20:52 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:11786 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730395AbgIJMRx (ORCPT ); Thu, 10 Sep 2020 08:17:53 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id C54A62D3EF1EC851C7A6; Thu, 10 Sep 2020 19:26:48 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Thu, 10 Sep 2020 19:26:40 +0800 From: Meng Yu To: , CC: , , , Subject: [PATCH 3/3] crypto: hisilicon/hpre - fix a bug in dh algorithm Date: Thu, 10 Sep 2020 19:25:22 +0800 Message-ID: <1599737122-20734-4-git-send-email-yumeng18@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1599737122-20734-1-git-send-email-yumeng18@huawei.com> References: <1599737122-20734-1-git-send-email-yumeng18@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Using 'g' equals 5 in dh algorithm may cause an error like this: arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received: dh: Party A: generate public key test failed. err -22 11375.065672] dh alg: dh: test failed on vector 1, err=-22 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000080 hpre-dh self test failed arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000 arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received: arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000083 arm-smmu-v3 arm-smmu-v3.1.auto: 0x00000000000000c0 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000 arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received: arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000081 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000040 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000 arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received: arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000082 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000080 arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000 hisi_hpre 0000:79:00.0: dat_rd_poison_int_set [error status=0x8] found hisi_hpre 0000:79:00.0: ooo_rdrsp_err_int_set [error status=0xfc00] found hisi_hpre 0000:79:00.0: Controller resetting... hisi_hpre 0000:79:00.0: Controller reset complete {2}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 0 {2}[Hardware Error]: event severity: recoverable {2}[Hardware Error]: Error 0, type: recoverable {2}[Hardware Error]: section type: unknown, c8b328a8-9917-4af6-9a13-2e08ab2e7586 {2}[Hardware Error]: section length: 0x4c as we didn't allocate memory for msg->in. Fixes: c8b4b477079d("crypto: hisilicon - add HiSilicon HPRE accelerator") Signed-off-by: Meng Yu --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 0cbe99a1..2d91593 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -528,6 +528,8 @@ static int hpre_dh_compute_value(struct kpp_request *req) ret = hpre_hw_data_init(hpre_req, req->src, req->src_len, 1, 1); if (unlikely(ret)) goto clear_all; + } else { + msg->in = cpu_to_le64((u64)ctx->dh.dma_g); } ret = hpre_hw_data_init(hpre_req, req->dst, req->dst_len, 0, 1);