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{ "id": 18224, "url": "https://patchwork.libcamera.org/api/covers/18224/?format=api", "web_url": "https://patchwork.libcamera.org/cover/18224/", "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": "<20230130180244.2150205-1-kieran.bingham@ideasonboard.com>", "date": "2023-01-30T18:02:42", "name": "[libcamera-devel,0/2] Camera/Request reliability", "submitter": { "id": 4, "url": "https://patchwork.libcamera.org/api/people/4/?format=api", "name": "Kieran Bingham", "email": "kieran.bingham@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/18224/mbox/", "series": [ { "id": 3732, "url": "https://patchwork.libcamera.org/api/series/3732/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3732", "date": "2023-01-30T18:02:42", "name": "Camera/Request reliability", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3732/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/18224/comments/", "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 0E840BDC71\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 30 Jan 2023 18:02:51 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6C6CB625D8;\n\tMon, 30 Jan 2023 19:02:50 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 542D760482\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 30 Jan 2023 19:02:48 +0100 (CET)", "from Monstersaurus.local\n\t(cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net [86.31.172.11])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id BBC9E8B8;\n\tMon, 30 Jan 2023 19:02:47 +0100 (CET)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"VZ+mvMfi\"; dkim-atps=neutral", "To": "libcamera devel <libcamera-devel@lists.libcamera.org>", "Date": "Mon, 30 Jan 2023 18:02:42 +0000", "Message-Id": "<20230130180244.2150205-1-kieran.bingham@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/2] Camera/Request reliability", "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>", "From": "Kieran Bingham via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Kieran Bingham <kieran.bingham@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "While supporting the development of Adam Pigg's Harbour-Pinhole\napplication, it was clear that it's too easy to submit incorrect\nrequests to libcamera - resulting in somewhat undefined behaviour and\nthen rather confusing crashes and assertions internally.\n\nThese two patches add protection to the submission of Requests objects\nto a Camera.\n\n\nKieran Bingham (2):\n libcamera: camera: Ensure queued requests are prepared\n libcamera: request: A request canary\n\n include/libcamera/internal/request.h | 2 ++\n include/libcamera/request.h | 4 +++\n src/libcamera/camera.cpp | 10 ++++++\n src/libcamera/request.cpp | 54 ++++++++++++++++++++++++++--\n 4 files changed, 68 insertions(+), 2 deletions(-)" }