From nobody Sun Nov 24 08:45:24 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1725600002933597.0868486671844; Thu, 5 Sep 2024 22:20:02 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smRNH-0004Kf-6G; Fri, 06 Sep 2024 01:19:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smRMn-0002Nh-76; Fri, 06 Sep 2024 01:18:42 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smRMl-0008D3-EG; Fri, 06 Sep 2024 01:18:40 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id BECD18C12E; Fri, 6 Sep 2024 08:15:17 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 6E2A7133373; Fri, 6 Sep 2024 08:16:35 +0300 (MSK) Received: (nullmailer pid 10461 invoked by uid 1000); Fri, 06 Sep 2024 05:16:33 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Zheyu Ma , Richard Henderson , Michael Tokarev Subject: [Stable-7.2.14 25/40] hw/sd/sdhci: Reset @data_count index on invalid ADMA transfers Date: Fri, 6 Sep 2024 08:16:13 +0300 Message-Id: <20240906051633.10288-25-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1725600004240116600 From: Philippe Mathieu-Daud=C3=A9 We neglected to clear the @data_count index on ADMA error, allowing to trigger assertion in sdhci_read_dataport() or sdhci_write_dataport(). Cc: qemu-stable@nongnu.org Fixes: d7dfca0807 ("hw/sdhci: introduce standard SD host controller") Reported-by: Zheyu Ma Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2455 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20240730092138.32443-4-philmd@linaro.org> (cherry picked from commit ed5a159c3de48a581f46de4c8c02b4b295e6c52d) Signed-off-by: Michael Tokarev diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index abd503d168..c4a9b5956d 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -846,6 +846,7 @@ static void sdhci_do_adma(SDHCIState *s) } } if (res !=3D MEMTX_OK) { + s->data_count =3D 0; if (s->errintstsen & SDHC_EISEN_ADMAERR) { trace_sdhci_error("Set ADMA error flag"); s->errintsts |=3D SDHC_EIS_ADMAERR; --=20 2.39.2