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{ "id": 21809, "url": "https://patchwork.libcamera.org/api/covers/21809/?format=api", "web_url": "https://patchwork.libcamera.org/cover/21809/", "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": "<20241105014949.32244-1-laurent.pinchart@ideasonboard.com>", "date": "2024-11-05T01:49:47", "name": "[0/2] test: py: Fix unit test error with ASan", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/21809/mbox/", "series": [ { "id": 4768, "url": "https://patchwork.libcamera.org/api/series/4768/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4768", "date": "2024-11-05T01:49:47", "name": "test: py: Fix unit test error with ASan", "version": 1, "mbox": "https://patchwork.libcamera.org/series/4768/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/21809/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 1F9F0BDB1C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 5 Nov 2024 01:49:59 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 47CBA653E6;\n\tTue, 5 Nov 2024 02:49:58 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5487E605B5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 5 Nov 2024 02:49:56 +0100 (CET)", "from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi\n\t[81.175.209.231])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D252F7FE;\n\tTue, 5 Nov 2024 02:49:48 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"fp4rlvc4\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1730771389;\n\tbh=htbHbneW+f028IEs8Zam5D3ZIvLBKkqNPIiy80U5cCA=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=fp4rlvc4HnxN83XPQClFwDoLeY1ZHy2RH1f0v46rFSLi4pARLkMr9T1rACCcS8+2/\n\tZE1DzoeJ1yRju29mb9aUTlsnGWHUHEK0V4ymbvBe0ue0lM3Fdjbee5wH3ZhrpEgxWW\n\txEEwK+Hs6S4STInPTJeg58oFhnp/X7c80mDIB3qc=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>", "Subject": "[PATCH 0/2] test: py: Fix unit test error with ASan", "Date": "Tue, 5 Nov 2024 03:49:47 +0200", "Message-ID": "<20241105014949.32244-1-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.45.2", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hello,\n\nThis small patch series fixes a Python bindings unit test error when\nusing ASan. The issue seems to be caused by a bug in ASan, as reported\nin https://github.com/google/sanitizers/issues/934, which is triggered\nwhen dynamically loading a .so module in conjunction with a libasan\nimplementation linked with --as-needed. This causes a failure to\nproperly handle exceptions.\n\nPatch 1/2 is a small improvement for the Python unit test meson.build\nfile, to prepare for patch 2/2 that then works around the issue by\nLD_PRELOAD'ing the C++ standard library.\n\nThe series doesn't break CI\n(https://gitlab.freedesktop.org/camera/libcamera/-/pipelines/1304028)\nand fixes the issue on my machine with gcc 9 to 14, using libstdc++.\nclang with libc++ is still broken, waiting for a volunteer to fix it :-)\n\nLaurent Pinchart (2):\n test: py: Replace environment array with environment object\n test: py: LD_PRELOAD the C++ standard library when using ASan\n\n meson.build | 3 +++\n test/py/meson.build | 14 ++++++++++++--\n 2 files changed, 15 insertions(+), 2 deletions(-)\n\n\nbase-commit: f028b09b7becf4e7847112b2e8044e5e30e01c58" }