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{ "id": 11831, "url": "https://patchwork.libcamera.org/api/patches/11831/?format=api", "web_url": "https://patchwork.libcamera.org/patch/11831/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20210403133741.1595440-2-hiroh@chromium.org>", "date": "2021-04-03T13:37:41", "name": "[libcamera-devel,v4,2/2] android: CameraDevice: Add more camera3_capture_request validation", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "60cf78a44a6f165d3e0622d3085d148c0efd8eb8", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/11831/mbox/", "series": [ { "id": 1887, "url": "https://patchwork.libcamera.org/api/series/1887/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1887", "date": "2021-04-03T13:37:40", "name": "[libcamera-devel,v4,1/2] android: cameraDevice: Factorize the code of validating camera3_capture_request", "version": 4, "mbox": "https://patchwork.libcamera.org/series/1887/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/11831/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/11831/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 7518BBD695\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSat, 3 Apr 2021 13:37:52 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3996368786;\n\tSat, 3 Apr 2021 15:37:52 +0200 (CEST)", "from mail-pg1-x532.google.com (mail-pg1-x532.google.com\n\t[IPv6:2607:f8b0:4864:20::532])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id D413D68786\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 3 Apr 2021 15:37:50 +0200 (CEST)", "by mail-pg1-x532.google.com with SMTP id q10so5248417pgj.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 03 Apr 2021 06:37:50 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:2:d1f5:1b96:f027:f646])\n\tby smtp.gmail.com with ESMTPSA id\n\ts17sm10997414pfc.53.2021.04.03.06.37.47\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tSat, 03 Apr 2021 06:37:48 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"VqAeYNAV\"; 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\n\tSat, 03 Apr 2021 06:37:49 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sat, 3 Apr 2021 22:37:41 +0900", "Message-Id": "<20210403133741.1595440-2-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.31.0.208.g409f899ff0-goog", "In-Reply-To": "<20210403133741.1595440-1-hiroh@chromium.org>", "References": "<20210403133741.1595440-1-hiroh@chromium.org>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v4 2/2] android: CameraDevice: Add more\n\tcamera3_capture_request validation", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "This adds more validation to camera3_capture_request mainly\nabout buffer_handle values.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/android/camera_device.cpp | 29 ++++++++++++++++++++++++++++-\n 1 file changed, 28 insertions(+), 1 deletion(-)", "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex d8ce43be..91791a10 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -263,11 +263,38 @@ bool isValidRequest(camera3_capture_request_t *camera3Request)\n \t\treturn false;\n \t}\n \n-\tif (!camera3Request->num_output_buffers) {\n+\tif (!camera3Request->num_output_buffers ||\n+\t !camera3Request->output_buffers) {\n \t\tLOG(HAL, Error) << \"No output buffers provided\";\n \t\treturn false;\n \t}\n \n+\tfor (uint32_t i = 0; i < camera3Request->num_output_buffers; i++) {\n+\t\tconst camera3_stream_buffer_t &outputBuffer =\n+\t\t\tcamera3Request->output_buffers[i];\n+\t\tif (!outputBuffer.buffer || !(*outputBuffer.buffer)) {\n+\t\t\tLOG(HAL, Error) << \"Invalid native handle\";\n+\t\t\treturn false;\n+\t\t}\n+\n+\t\tconst native_handle_t *handle = *outputBuffer.buffer;\n+\t\tconstexpr int kNativeHandleMaxFds = 1024;\n+\t\tif (handle->numFds < 0 || handle->numFds > kNativeHandleMaxFds) {\n+\t\t\tLOG(HAL, Error)\n+\t\t\t\t<< \"Invalid number of fds (\" << handle->numFds\n+\t\t\t\t<< \") in buffer \" << i;\n+\t\t\treturn false;\n+\t\t}\n+\n+\t\tconstexpr int kNativeHandleMaxInts = 1024;\n+\t\tif (handle->numInts < 0 || handle->numInts > kNativeHandleMaxInts) {\n+\t\t\tLOG(HAL, Error)\n+\t\t\t\t<< \"Invalid number of ints (\" << handle->numInts\n+\t\t\t\t<< \") in buffer \" << i;\n+\t\t\treturn false;\n+\t\t}\n+\t}\n+\n \treturn true;\n }\n \n", "prefixes": [ "libcamera-devel", "v4", "2/2" ] }