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{ "id": 19632, "url": "https://patchwork.libcamera.org/api/1.1/covers/19632/?format=api", "web_url": "https://patchwork.libcamera.org/cover/19632/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20240305153058.1761020-1-nicolas@ndufresne.ca>", "date": "2024-03-05T15:30:55", "name": "[v2,0/3] gstreamer: Fix a crash when memory outlives the pipeline", "submitter": { "id": 30, "url": "https://patchwork.libcamera.org/api/1.1/people/30/?format=api", "name": "Nicolas Dufresne", "email": "nicolas@ndufresne.ca" }, "mbox": "https://patchwork.libcamera.org/cover/19632/mbox/", "series": [ { "id": 4203, "url": "https://patchwork.libcamera.org/api/1.1/series/4203/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4203", "date": "2024-03-05T15:30:55", "name": "gstreamer: Fix a crash when memory outlives the pipeline", "version": 2, "mbox": "https://patchwork.libcamera.org/series/4203/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/19632/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 12748BD160\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 5 Mar 2024 15:31:07 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id CE5CC62874;\n\tTue, 5 Mar 2024 16:31:06 +0100 (CET)", "from madrid.collaboradmins.com (madrid.collaboradmins.com\n\t[46.235.227.194])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8733961C92\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 5 Mar 2024 16:31:05 +0100 (CET)", "from nicolas-tpx395.lan (cola.collaboradmins.com [195.201.22.229])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\tkey-exchange X25519 server-signature RSA-PSS (4096 bits)\n\tserver-digest SHA256)\n\t(No client certificate requested) (Authenticated sender: nicolas)\n\tby madrid.collaboradmins.com (Postfix) with ESMTPSA id CDC8D37813B5; \n\tTue, 5 Mar 2024 15:31:04 +0000 (UTC)" ], "From": "Nicolas Dufresne <nicolas@ndufresne.ca>", "To": "libcamera-devel@lists.libcamera.org", "Subject": "[PATCH v2 0/3] gstreamer: Fix a crash when memory outlives the\n\tpipeline", "Date": "Tue, 5 Mar 2024 10:30:55 -0500", "Message-ID": "<20240305153058.1761020-1-nicolas@ndufresne.ca>", "X-Mailer": "git-send-email 2.43.2", "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>", "Cc": "Nicolas Dufresne <nicolas.dufresne@collabora.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "From: Nicolas Dufresne <nicolas.dufresne@collabora.com>\n\nThis set fixes a memory lifetime issue which in the end happens because the\ncamera manager needs to outlive all of its object, including the\nFrameBufferAllocator. This is fixing a crash reported at:\n\nhttps://bugs.libcamera.org/show_bug.cgi?id=211\n\nChanges in v2:\n - Fixed copyright and header comment\n\nNicolas Dufresne (3):\n gstreamer: allocator: Ensure camera manager stay alive\n test: gstreamer: Simplify single stream test\n test: gstreamer: Test memory lifetime\n\n src/gstreamer/gstlibcameraallocator.cpp | 16 +++-\n .../gstreamer_memory_lifetime_test.cpp | 75 +++++++++++++++++++\n .../gstreamer_single_stream_test.cpp | 27 +++----\n test/gstreamer/meson.build | 4 +-\n 4 files changed, 102 insertions(+), 20 deletions(-)\n create mode 100644 test/gstreamer/gstreamer_memory_lifetime_test.cpp" }