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[88.28.10.82]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-428089c28f0sm192352015e9.28.2024.07.30.02.21.56 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 30 Jul 2024 02:21:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1722331319; x=1722936119; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=fRMGyzp03tYfu+a5mNwyhx3DbvljVjB1l6w81zoWVuY=; b=rkLnIo6CLqCFwYqG4JoU6NzcdRAnwSFtqmaTKenoNtyXDWXESUm9902YiuvfbXMU81 4SO36jzn6O1bjy6pq72/Vb/4ENLAaQtGyeZLay/5ygNyNhB0WYgtrE3jYtGirN0ECmiN 9wuCW3l7JNRTwc7aAkKnfWgswGyXyrwMtgAaJcc5U/aojI9x/ZMdczsec74xyNBej42w h1dHZDYqBWq8wg+zhaEgY7wN1zBXItEEuFDuANUMcdKH0PsKBB3E8FNBWctRPIf533EG WoZjUqK0MHwsHm8DWMrh8h3Zs1NziZkGehl34qbA3pfHe5VM9GXffPZu0s01cdSS4wZt stEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722331319; x=1722936119; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=fRMGyzp03tYfu+a5mNwyhx3DbvljVjB1l6w81zoWVuY=; b=YKRVRC7mhGC4d8ZL9xcBU1nMGk1XIcxIGZ+Pk9XyOCEthftCEDLS6B96CIdgHqbhuV pids+Qzw5ZV01FuABRwk2uQ1RFRwMb46Ol0bf6WtXKdCfYG2MdcumrOupIqZdpU4HqyP 67N4lIdqxej0y+SM2Mdid1SwWPDg8OjkzvZX/VQOzumUPb6bavDgJbtx6a49AfRV3x8O ydUySDrABrJA/KKNX3UyekdpD7AUzxdVAsxb3zPvMqy2EFZPPo22iSo2kwwIu5cn2574 VwYduthCFh5FcFbJN7cpy6mO3v2DoOAqCZk/YhdF9DfRVuIjVKnZhXprhSaxSGAvFSY8 Gv0Q== X-Gm-Message-State: AOJu0Yyekd+jGj5QF5bZ0OCiwImm5TuWELploABCw1vGmY2pT1Ycy4qj pnJ1KztIORK3q17s3Gr6NiKLkM7uip0pUNA708BFNhH2r1Ew8n7VtlPZf/BKSndaJktRcnVbG4B uv68= X-Google-Smtp-Source: AGHT+IEehUY4cPJwEgOJWU5SYmjAo9/YXvfZchEzo4pXMNvpRXEQsZq1r6gd4nidsmcwk7dg9uZYDg== X-Received: by 2002:a05:600c:6b06:b0:426:6f1e:ce93 with SMTP id 5b1f17b1804b1-42811dfe3d0mr69752425e9.33.1722331318878; Tue, 30 Jul 2024 02:21:58 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bin Meng , Zheyu Ma , qemu-block@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-stable@nongnu.org Subject: [PATCH-for-9.1 2/5] hw/sd/sdcard: Do not abort when reading DAT lines on invalid cmd state Date: Tue, 30 Jul 2024 11:21:35 +0200 Message-ID: <20240730092138.32443-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240730092138.32443-1-philmd@linaro.org> References: <20240730092138.32443-1-philmd@linaro.org> 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=2a00:1450:4864:20::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1722331367944116600 Guest should not try to read the DAT lines from invalid command state. If it still insists to do so, return a dummy value. Cc: qemu-stable@nongnu.org Fixes: e2dec2eab0 ("hw/sd/sdcard: Remove default case in read/write on DAT = lines") Reported-by: Zheyu Ma Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2454 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/sd/sd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index c02f04f1ea..b1e6e36b44 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -2540,7 +2540,9 @@ uint8_t sd_read_byte(SDState *sd) break; =20 default: - g_assert_not_reached(); + qemu_log_mask(LOG_GUEST_ERROR, "%s: DAT read illegal for command %= s\n", + __func__, sd->last_cmd_name); + return dummy_byte; } =20 return ret; --=20 2.45.2