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{ "id": 12761, "url": "https://patchwork.libcamera.org/api/1.1/covers/12761/?format=api", "web_url": "https://patchwork.libcamera.org/cover/12761/", "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": "<20210701230741.14320-1-laurent.pinchart@ideasonboard.com>", "date": "2021-07-01T23:07:38", "name": "[libcamera-devel,0/3] base: Fix crash with recursive messages dispatch", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/12761/mbox/", "series": [ { "id": 2198, "url": "https://patchwork.libcamera.org/api/1.1/series/2198/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2198", "date": "2021-07-01T23:07:38", "name": "base: Fix crash with recursive messages dispatch", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2198/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/12761/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 3010AC3222\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 1 Jul 2021 23:08:31 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8D1A560288;\n\tFri, 2 Jul 2021 01:08:30 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A08AA60288\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 2 Jul 2021 01:08:25 +0200 (CEST)", "from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0FAB54AB;\n\tFri, 2 Jul 2021 01:08:25 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"hNjX1R4X\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1625180905;\n\tbh=OsuaE2Rg+2VPY3rbkU1MhtqFpwCeoTalyer3M66igqU=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=hNjX1R4XaT46IlOVkNOGpQY6n6J+vXHzSWmJBF4xejQQHmQwxNp6nkxv4XvHGvyTM\n\tj/k06Kt5+XSXitRAmh5utOAepX9TsWmq8sZEGIzojIlvgaCfW+bJOJMUG/Axlo7pmt\n\tbKZrEt1nLWy5KDhGG3m+aDAALpfgnqzQ5SJkcXS4=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 2 Jul 2021 02:07:38 +0300", "Message-Id": "<20210701230741.14320-1-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.31.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/3] base: Fix crash with recursive\n\tmessages dispatch", "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 patch series fixes a crash related to recursive dispatch of\nmessages, as reported in https://bugs.libcamera.org/show_bug.cgi?id=26.\n\nPatch 1/3 is a small drive-by documentation fix. Patch 2/3 adds a test\ncase to trigger the issue, and patch 3/3 fixes it. Please see patch 3/3\nfor a detailed explanation of the problem and the fix.\n\nDavid, would you be able to check if this fixes the issue you've\nreported ?\n\nLaurent Pinchart (3):\n base: thread: Document the postMessage() function as thread-safe\n test: message: Test recursive Thread::dispatchMessages() calls\n base: thread: Fix recursive calls to dispatchMessages()\n\n src/libcamera/base/thread.cpp | 45 ++++++++++++++++++------\n test/message.cpp | 66 +++++++++++++++++++++++++++++++++--\n 2 files changed, 99 insertions(+), 12 deletions(-)" }