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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427d2a8e420sm14059315e9.35.2024.07.18.06.20.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jul 2024 06:20:31 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 04/26] hw/arm/smmu-common: Add missing size check for stage-1 Date: Thu, 18 Jul 2024 14:20:06 +0100 Message-Id: <20240718132028.697927-5-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240718132028.697927-1-peter.maydell@linaro.org> References: <20240718132028.697927-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32c.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=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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Mostafa Saleh According to the SMMU architecture specification (ARM IHI 0070 F.b), in “3.4 Address sizes” The address output from the translation causes a stage 1 Address Size fault if it exceeds the range of the effective IPA size for the given CD. However, this check was missing. There is already a similar check for stage-2 against effective PA. Reviewed-by: Jean-Philippe Brucker Reviewed-by: Eric Auger Signed-off-by: Mostafa Saleh Message-id: 20240715084519.1189624-2-smostafa@google.com Signed-off-by: Peter Maydell --- hw/arm/smmu-common.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index b6601cc102e..e81b684d06c 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -381,6 +381,16 @@ static int smmu_ptw_64_s1(SMMUTransCfg *cfg, goto error; } + /* + * The address output from the translation causes a stage 1 Address + * Size fault if it exceeds the range of the effective IPA size for + * the given CD. + */ + if (gpa >= (1ULL << cfg->oas)) { + info->type = SMMU_PTW_ERR_ADDR_SIZE; + goto error; + } + tlbe->entry.translated_addr = gpa; tlbe->entry.iova = iova & ~mask; tlbe->entry.addr_mask = mask;