From patchwork Mon Jul 15 08:47:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Smirnov X-Patchwork-Id: 13733136 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1F9E188CDE for ; Mon, 15 Jul 2024 08:47:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.154.21.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721033262; cv=none; b=WE7RKidDYPLa74jAeYbxx7sZICLxsGNKrKWjJw5Lb0WqTMEkYSVl4W/lNVo+EamfkOEbFNicTbVK/eixzlGG2vEiWbV/kiIKKJNOhUzcZcirZjxJEClOySTB6VkUg0KQlA1LU60O6kx+VOY2P/CkAmbP6B9RZwLramZTQinPyFA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721033262; c=relaxed/simple; bh=+wtW5IniC9T4879GZDggnTQ0aE2kkfL8axL0g2O4hZw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=uEcL1+c3MaHVjsphVDaHpwypWlRSYpTkmGt/2PyMfF0vLLOSh+L3we7ne90mDIt7a5RdmnyN7DUtSYUHqRpZ+B7W7Gyhml2zmTVcfSypvJfLXyth1CT1xMrLDJRv55h9bj+WSEWYlhIuSOoO+EyvbDWUKWERkQozd+3wiW6CXbU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru; spf=pass smtp.mailfrom=omp.ru; arc=none smtp.client-ip=90.154.21.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=omp.ru Received: from inp1wst083.omp.ru (81.22.207.138) by msexch01.omp.ru (10.188.4.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1258.12; Mon, 15 Jul 2024 11:47:16 +0300 From: Roman Smirnov To: CC: Roman Smirnov Subject: [PATCH BlueZ v1] tools/rctest: add NULL checks to main() Date: Mon, 15 Jul 2024 11:47:01 +0300 Message-ID: <20240715084701.42478-1-r.smirnov@omp.ru> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: msexch01.omp.ru (10.188.4.12) To msexch01.omp.ru (10.188.4.12) X-KSE-ServerInfo: msexch01.omp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 6.1.0, Database issued on: 07/15/2024 08:35:58 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 19 X-KSE-AntiSpam-Info: Lua profiles 186517 [Jul 15 2024] X-KSE-AntiSpam-Info: Version: 6.1.0.4 X-KSE-AntiSpam-Info: Envelope from: r.smirnov@omp.ru X-KSE-AntiSpam-Info: LuaCore: 24 0.3.24 186c4d603b899ccfd4883d230c53f273b80e467f X-KSE-AntiSpam-Info: {rep_avail} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: {SMTP from is not routable} X-KSE-AntiSpam-Info: {Found in DNSBL: 81.22.207.138 in (user) b.barracudacentral.org} X-KSE-AntiSpam-Info: inp1wst083.omp.ru:7.1.1;omp.ru:7.1.1;81.22.207.138:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: ApMailHostAddress: 81.22.207.138 X-KSE-AntiSpam-Info: {DNS response errors} X-KSE-AntiSpam-Info: Rate: 19 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dmarc=temperror header.from=omp.ru;spf=temperror smtp.mailfrom=omp.ru;dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 07/15/2024 08:40:00 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 7/15/2024 7:25:00 AM X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit It is necessary to prevent dereferencing of a NULL pointer. Found with the SVACE static analysis tool. --- tools/rctest.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/tools/rctest.c b/tools/rctest.c index b72be917c..367e41e3c 100644 --- a/tools/rctest.c +++ b/tools/rctest.c @@ -742,6 +742,9 @@ int main(int argc, char *argv[]) break; case 'a': + if (!optarg) + break; + mode = AUTO; if (!strncasecmp(optarg, "hci", 3)) @@ -756,6 +759,9 @@ int main(int argc, char *argv[]) break; case 'i': + if (!optarg) + break; + if (!strncasecmp(optarg, "hci", 3)) hci_devba(atoi(optarg + 3), &bdaddr); else @@ -763,10 +769,14 @@ int main(int argc, char *argv[]) break; case 'P': - channel = atoi(optarg); + if (optarg) + channel = atoi(optarg); break; case 'U': + if (!optarg) + break; + if (!strcasecmp(optarg, "spp")) uuid = SERIAL_PORT_SVCLASS_ID; else if (!strncasecmp(optarg, "0x", 2)) @@ -792,11 +802,13 @@ int main(int argc, char *argv[]) break; case 'L': - linger = atoi(optarg); + if (optarg) + linger = atoi(optarg); break; case 'W': - defer_setup = atoi(optarg); + if (optarg) + defer_setup = atoi(optarg); break; case 'B': @@ -808,19 +820,23 @@ int main(int argc, char *argv[]) break; case 'N': - num_frames = atoi(optarg); + if (optarg) + num_frames = atoi(optarg); break; case 'C': - count = atoi(optarg); + if (optarg) + count = atoi(optarg); break; case 'D': - delay = atoi(optarg) * 1000; + if (optarg) + delay = atoi(optarg) * 1000; break; case 'Y': - priority = atoi(optarg); + if (optarg) + priority = atoi(optarg); break; case 'T':