From patchwork Thu Jul 4 18:07:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Smirnov X-Patchwork-Id: 810052 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 80AE07344C for ; Thu, 4 Jul 2024 18:08:38 +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=1720116523; cv=none; b=H3/UPM1M2X18gTzbMHEK4EvbVwRFX4cXrm9vuYLJ/NOSixyhlOl5O3O6Ua/gcizLoiYCtZTCAxfq4wqM1blKgjApAIiuTcn5aNlUa27r0sQefhaDoZ1NkDIoHudkPe+LMw2c2uxd2mPBqYatZsQhVO9YCwbz645XbV76lh4A0n0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720116523; c=relaxed/simple; bh=igZrh4u9vdQ4zqYiM4MmlT4dMcCok9XZiK/MgRjMLZE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KvOa+Hqtp9dyconC/uEg/gBGpmR2IHaSsoZuSxtDWO5ifXDwoPegpMG6T2+NlVNcYfJ21Lgj6SYgJqWOxFoLoDQphOfRjehTP8R9tfUwq6OE4siw1mmFKwk7dK4mA5gnFHRQ+AewFCuZYZ0n65w5GBKEk5sthPB8z3sRNpi86qg= 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 localhost.localdomain (217.23.187.157) 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; Thu, 4 Jul 2024 21:08:27 +0300 From: Roman Smirnov To: CC: Roman Smirnov Subject: [PATCH BlueZ v1 4/5] tools/rctest: limit the maximum possible data_size Date: Thu, 4 Jul 2024 21:07:49 +0300 Message-ID: <20240704180752.94264-5-r.smirnov@omp.ru> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240704180752.94264-1-r.smirnov@omp.ru> References: <20240704180752.94264-1-r.smirnov@omp.ru> 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: 07/04/2024 17:50:15 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 59 X-KSE-AntiSpam-Info: Lua profiles 186337 [Jul 04 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: 21 0.3.21 ebee5449fc125b2da45f1a6a6bc2c5c0c3ad0e05 X-KSE-AntiSpam-Info: {rep_avail} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: {relay has no DNS name} X-KSE-AntiSpam-Info: {SMTP from is not routable} X-KSE-AntiSpam-Info: {Found in DNSBL: 217.23.187.157 in (user) b.barracudacentral.org} X-KSE-AntiSpam-Info: {Found in DNSBL: 217.23.187.157 in (user) dbl.spamhaus.org} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; omp.ru:7.1.1; 127.0.0.199:7.1.2; 217.23.187.157:7.1.2 X-KSE-AntiSpam-Info: ApMailHostAddress: 217.23.187.157 X-KSE-AntiSpam-Info: {DNS response errors} X-KSE-AntiSpam-Info: Rate: 59 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: 07/04/2024 17:54:00 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 7/4/2024 4:47:00 PM 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 the possibility of allocating a large amount of memory. Found with the SVACE static analysis tool. --- tools/rctest.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/rctest.c b/tools/rctest.c index e39d313eb..b72be917c 100644 --- a/tools/rctest.c +++ b/tools/rctest.c @@ -41,6 +41,8 @@ #define SIOCGSTAMP_OLD SIOCGSTAMP #endif +#define MAX_DATA_SIZE 0x40000000 + /* Test modes */ enum { SEND, @@ -749,7 +751,8 @@ int main(int argc, char *argv[]) break; case 'b': - data_size = atoi(optarg); + if (optarg && atoi(optarg) < MAX_DATA_SIZE) + data_size = atoi(optarg); break; case 'i':