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([175.119.5.143]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-353f610266esm17804018a91.4.2026.02.01.21.41.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Feb 2026 21:41:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770010896; x=1770615696; 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=fTh1EKb0IBz/fDEzbfv1i9pC1PLYHmeeUaI6qDJBskE=; b=avZ4wYhiLTmUVBNJzXALxtJoO70W1v+eTkygxKCYTkhvKuSXOQcKpV0r2LNdkH/CcG KyECqz43RyTnQwiOKqxYkSldnh/I63Ngm2unayP67ushiv7XTMSna4kzYs4QGAiTaBLJ r4ic5utLsmdHg8Q8Iu0Z/TI0O78tfkubH0ngy6BLtfHPabqlRknFQuijg14MiamSSYUF E1QdLMZNngJU2ZT6welQDstIS5Fja66qR1eX5YM9iFSRAuA6Kzp8QWnuWe6tZaSpU9+S bGl/RR/5jxxn4f+6QBIEfcklWO/OpwUi7qwR2MjeesFdm+I920RLOHaKd3YpTXa3RIOy VsZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770010896; x=1770615696; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=fTh1EKb0IBz/fDEzbfv1i9pC1PLYHmeeUaI6qDJBskE=; b=C8/eZsxkO4eHKHNecu3eWU/kPvoquBWm+WQti4vF73wrgJZOKvwNxPIUT8yu6b1mEw /JTEHj/M0mXzO5azobiBh+1xZOsTZkyyPrzzRXBsEYhu087Ts29QlaHqh6viQWcKPWHK mWQd1W7t1++awJSsj5PcIPV369pCaMQnN1ntv5IrYUX5grfAu72JQE0kVoZk3yg3qG2Q H+yWwFWQug3y86zb04orDTCZ+BYUpwAqcUwbnWy8LkOaFLgZOj7ImHeNagib5ZvaNS2j Cmx70yotQgI08g4IIMyiaW2mErhjF2DYFxmS7Du72MSUrrPcz6jddI6wf6hhW43F4E8t aILA== X-Gm-Message-State: AOJu0YwBQo11BCxmfWq0hQAVFmFfXZy8BuZsRD1fLfu8BPncBlxeitKl mahJt+dVnBiXV9Qq0iaMkHU32smvwqtbVv8D5+ggBj1w+80gDVQXtTQGGy8/dw== X-Gm-Gg: AZuq6aKxvDrkxxT78OAe8G4wqQCbF1m6lyZjDgIPSeJw6S0ALnbxVa+tjUOp+7mqoPr 39tKnWfbDN5Gxzm8ChQ/NZ7rWMD7dD5/xCtzPj3XTmGWL25aE6YWuvawfmncuriPNqyiwQdoUp9 ufbjYRiJtlD4fDReA2ezLiRnSCH9k347A/QdcbMf3O9E2UumfAMM44yzGYWz335IYRMPWmH6JUi kb3NOvOYDbk7/YakLyzyHDvrCmXlsR2uJZfAWe+kAlVs/gOMpxOKVBxWb+DLpKEFFsFg0aN+tE8 g4OKrm7MywZJXAXz9oTHraR4azDGZqp+/rK3JTv75Dpy+McOixWsLdVcqjvAwDA7z0xWkYpFVEy j1IVBaqFZ5JRqWcSLVHAb/j2gZBuDG8S17nA/UUxMF1OW493RlLtEMW8uN1bZRXJ/frvrvwboBK njQgVeDpLlfzedQw== X-Received: by 2002:a17:90b:2e41:b0:340:bb51:17eb with SMTP id 98e67ed59e1d1-3543b34fcbcmr10638503a91.15.1770010895561; Sun, 01 Feb 2026 21:41:35 -0800 (PST) From: Jeuk Kim To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, jeuk20.kim@samsung.com, qemu-block@nongnu.org, j-young.choi@samsung.com Subject: [PULL v2 1/4] hw/ufs: Ensure DBC of PRDT uses only lower 18 bits Date: Mon, 2 Feb 2026 14:41:11 +0900 Message-ID: <289e6a3edf5041a9f96c3fb792845b94b5b3c666.1770010668.git.jeuk20.kim@samsung.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 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=2607:f8b0:4864:20::102d; envelope-from=jeuk20.kim@gmail.com; helo=mail-pj1-x102d.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, FREEMAIL_FROM=0.001, 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: qemu development 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 @gmail.com) X-ZM-MESSAGEID: 1770010954289158500 Content-Type: text/plain; charset="utf-8" From: Jeuk Kim The UFS spec defines the PRDT data byte count as an 18-bit field. This commit masks the value to the lower 18 bits to prevent incorrect transfer lengths and ensure compliance. Signed-off-by: Jeuk Kim --- hw/ufs/ufs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/ufs/ufs.c b/hw/ufs/ufs.c index cab42ae7b6..d3f08f2ba9 100644 --- a/hw/ufs/ufs.c +++ b/hw/ufs/ufs.c @@ -224,7 +224,8 @@ static MemTxResult ufs_dma_read_prdt(UfsRequest *req) =20 for (uint16_t i =3D 0; i < prdt_len; ++i) { hwaddr data_dma_addr =3D le64_to_cpu(prd_entries[i].addr); - uint32_t data_byte_count =3D le32_to_cpu(prd_entries[i].size) + 1; + uint32_t data_byte_count =3D + (le32_to_cpu(prd_entries[i].size) & 0x3ffff) + 1; qemu_sglist_add(req->sg, data_dma_addr, data_byte_count); req->data_len +=3D data_byte_count; } --=20 2.43.0