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{ "id": 16166, "url": "https://patchwork.libcamera.org/api/1.1/patches/16166/?format=api", "web_url": "https://patchwork.libcamera.org/patch/16166/", "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": "<20220604185939.29163-12-laurent.pinchart@ideasonboard.com>", "date": "2022-06-04T18:59:36", "name": "[libcamera-devel,RFC,v2,11/14] libcamera: yaml_parser: Fix range checks for 32-bit integers", "commit_ref": null, "pull_url": null, "state": "rfc", "archived": false, "hash": "5b3f51e79c7f1ebbff7c40ae7fcac489ad1b28a8", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/16166/mbox/", "series": [ { "id": 3161, "url": "https://patchwork.libcamera.org/api/1.1/series/3161/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3161", "date": "2022-06-04T18:59:25", "name": "Replace boost JSON parser with libyaml in Raspberry Pi IPA", "version": 2, "mbox": "https://patchwork.libcamera.org/series/3161/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/16166/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/16166/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 529C1C327B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSat, 4 Jun 2022 19:00:19 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 95EFD65644;\n\tSat, 4 Jun 2022 21:00:18 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 391386564F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 4 Jun 2022 21:00:16 +0200 (CEST)", "from pendragon.ideasonboard.com (85-76-79-203-nat.elisa-mobile.fi\n\t[85.76.79.203])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id F02B487A;\n\tSat, 4 Jun 2022 21:00:14 +0200 (CEST)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1654369218;\n\tbh=k57qIkmOr92weRC9ZN8KPGgryCWRstSN6CSSZQy7WIU=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=fbD+bO3qjLrCT9ZtM1mvWaV1gL9BppALVEjUcuiOWqRJ76vrKCH5uxqSG1A6V/2Tq\n\tTSoQQSidN9AtBYZfrT1xU5pEVF3XquI/Ek0FncRsQlB/BNGPW57zSQn1zeQe8hCSKI\n\t2WNHHQw86mni9poymC4GYZPtRh+ZcHJ2Nr51u6ZPSe0TnqbLJqVhOaerhJGvHLWzU0\n\t/+i0Vtkm9nabV4M8FZqY1atAERSqH/hOR4AE8L75ExMhuRSCCmFmwDI6hIN5CkwS3F\n\tO0ixzvXKqlYlVBR1jpERPB54IUjS/5AmlEndtdelLJVbQgkePfPpKgta26WOffVMD2\n\t/SWDXH5sPD9NA==", "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1654369216;\n\tbh=k57qIkmOr92weRC9ZN8KPGgryCWRstSN6CSSZQy7WIU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=f3U9QGRaExL4oD8psOpleuvb5GQsODoJ6ocEFNKWz1NFy2OOCsvXHrHNx3W0HSljY\n\tfMi/LFNhxg7WY/wyXY5tOooFjxwFKYjzYTEmS6GtUhSX8mjWr9h0mMdkbykU24OHOi\n\tGQ1lJbBE0bDUMJm9EM7heoH7hED5vppgeV4ioF2U=" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"f3U9QGRa\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sat, 4 Jun 2022 21:59:36 +0300", "Message-Id": "<20220604185939.29163-12-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.35.1", "In-Reply-To": "<20220604185939.29163-1-laurent.pinchart@ideasonboard.com>", "References": "<20220604185939.29163-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH v2 11/14] libcamera: yaml_parser: Fix\n\trange checks for 32-bit integers", "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": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The strtol() and strtoul() functions return long integers, which may be\nlarger than 32-bit integers. Add manual range checks.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/yaml_parser.cpp | 13 +++++++++----\n 1 file changed, 9 insertions(+), 4 deletions(-)", "diff": "diff --git a/src/libcamera/yaml_parser.cpp b/src/libcamera/yaml_parser.cpp\nindex 97104ac118a8..3fb6fec695ee 100644\n--- a/src/libcamera/yaml_parser.cpp\n+++ b/src/libcamera/yaml_parser.cpp\n@@ -10,6 +10,7 @@\n #include <cstdlib>\n #include <errno.h>\n #include <functional>\n+#include <limits>\n \n #include <libcamera/base/file.h>\n #include <libcamera/base/log.h>\n@@ -150,9 +151,11 @@ int32_t YamlObject::get(const int32_t &defaultValue, bool *ok) const\n \tchar *end;\n \n \terrno = 0;\n-\tint32_t value = std::strtol(value_.c_str(), &end, 10);\n+\tlong value = std::strtol(value_.c_str(), &end, 10);\n \n-\tif ('\\0' != *end || errno == ERANGE)\n+\tif ('\\0' != *end || errno == ERANGE ||\n+\t value < std::numeric_limits<int32_t>::min() ||\n+\t value > std::numeric_limits<int32_t>::max())\n \t\treturn defaultValue;\n \n \tsetOk(ok, true);\n@@ -184,9 +187,11 @@ uint32_t YamlObject::get(const uint32_t &defaultValue, bool *ok) const\n \tchar *end;\n \n \terrno = 0;\n-\tuint32_t value = std::strtoul(value_.c_str(), &end, 10);\n+\tunsigned long value = std::strtoul(value_.c_str(), &end, 10);\n \n-\tif ('\\0' != *end || errno == ERANGE)\n+\tif ('\\0' != *end || errno == ERANGE ||\n+\t value < std::numeric_limits<uint32_t>::min() ||\n+\t value > std::numeric_limits<uint32_t>::max())\n \t\treturn defaultValue;\n \n \tsetOk(ok, true);\n", "prefixes": [ "libcamera-devel", "RFC", "v2", "11/14" ] }