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Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 150/161] bpf: fix rlimit in reuseport net selftest Thread-Topic: [PATCH AUTOSEL for 4.14 150/161] bpf: fix rlimit in reuseport net selftest Thread-Index: AQHTz5jEtetK9ctoxE6z71mMKnti2w== Date: Mon, 9 Apr 2018 00:21:55 +0000 Message-ID: <20180409001936.162706-150-alexander.levin@microsoft.com> References: <20180409001936.162706-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001936.162706-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0725;7:MkRMoVQK6DRfZYAIXiQx0A4vcACZxlkWgOuQQlLqUL301Ye/SSGaVHCvELngahRaghuNgHJrltWtgcF980ileu+rUrlptlQpBywe+zPnG7mA3pcTkl0QXo8uxAJKW3j37IEc60/AdaK2zh/On19A/Cm/fshff4brU38kczBNpGJs/2XCaHv2iKyqHqz2Db775C2oz1zx7Z/pw6r8ypCdal7HGhNMS1FQeAn/7xerUUzWlXlHB0lhCZtckPEI9E4A;20:ONW+XC6LLIIowaG8+9GKQWE1u81zragJNj3SApXNmllKnoiGYZJaksGFMYISaNZ/XBB0q018fUKa1dadiq9YN9+mjMYeWwYYiX387TuUo3EzUArb54n7mcqZsz1S7uLolcUK6Iz4aN/CKYlj/pNwwGXM+QX9UW/SjvFECJuD6qo= x-ms-office365-filtering-ht: Tenant X-MS-Office365-Filtering-Correlation-Id: 3c335923-e9c1-4319-9de9-08d59db08413 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0725; x-ms-traffictypediagnostic: DM5PR2101MB0725: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(5005006)(8121501046)(10201501046)(3231221)(944501327)(52105095)(93006095)(93001095)(3002001)(6055026)(61426038)(61427038)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123562045)(20161123558120)(20161123560045)(6072148)(201708071742011);SRVR:DM5PR2101MB0725;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB0725; x-forefront-prvs: 0637FCE711 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39380400002)(346002)(366004)(376002)(396003)(39860400002)(199004)(189003)(6486002)(81166006)(26005)(6512007)(6306002)(4326008)(6666003)(6436002)(81156014)(8676002)(97736004)(186003)(36756003)(72206003)(53936002)(107886003)(2906002)(966005)(86362001)(76176011)(110136005)(305945005)(10090500001)(486006)(3660700001)(102836004)(5660300001)(14454004)(476003)(575784001)(86612001)(446003)(99286004)(68736007)(66066001)(11346002)(54906003)(2616005)(1076002)(7736002)(5250100002)(25786009)(8936002)(478600001)(2900100001)(2501003)(3280700002)(105586002)(59450400001)(316002)(106356001)(22452003)(6506007)(3846002)(10290500003)(6116002)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB0725;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-microsoft-antispam-message-info: ExHSnKmnG/bwWGBdSAHJic6KsbjgXJX3Cw3EFXl4VA97+sKK6nSDhyQBSUx1UxeIrM5l4cRxd/Xz+plc/onrWyrnIQ4vGQUOaEwvxxT2Z3gujibFdzxQNayyF/gSqJvaE6HS++VND8Ir4q6Wqx+VicOXyh9mE+RwtMm8HUojg1KOWlyW1kCtNLS3DqoFDNQYx5s41KdY3ehufDbNSxdybStDCAcKMeWxWZnFDgWlfVzUIb1qa6b+MZMOgTpvpkOFTFUkTk/3Jw3ZNWg7u+Xf5a5VxL0EO1aZNJxL4qT7L9fsRwX2djGmQzC0BDb0XyzoEaE3zsRXAemZLuG7J9q7DnkOkGF/qbeA1rrSXOILacNbmzVVAFqpxVuOpcA7Zx9irYj1r9Z1ikIKKiZETyPAK9I2M3RRpHFhS/1e4smFZkU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3c335923-e9c1-4319-9de9-08d59db08413 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:21:55.8623 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0725 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Daniel Borkmann [ Upstream commit 941ff6f11c020913f5cddf543a9ec63475d7c082 ] Fix two issues in the reuseport_bpf selftests that were reported by Linaro CI: [...] + ./reuseport_bpf ---- IPv4 UDP ---- Testing EBPF mod 10... Reprograming, testing mod 5... ./reuseport_bpf: ebpf error. log: 0: (bf) r6 =3D r1 1: (20) r0 =3D *(u32 *)skb[0] 2: (97) r0 %=3D 10 3: (95) exit processed 4 insns : Operation not permitted + echo FAIL [...] ---- IPv4 TCP ---- Testing EBPF mod 10... ./reuseport_bpf: failed to bind send socket: Address already in use + echo FAIL [...] For the former adjust rlimit since this was the cause of failure for loading the BPF prog, and for the latter add SO_REUSEADDR. Reported-by: Naresh Kamboju Link: https://bugs.linaro.org/show_bug.cgi?id=3D3502 Signed-off-by: Daniel Borkmann Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- tools/testing/selftests/net/reuseport_bpf.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/se= lftests/net/reuseport_bpf.c index 4a8217448f20..cad14cd0ea92 100644 --- a/tools/testing/selftests/net/reuseport_bpf.c +++ b/tools/testing/selftests/net/reuseport_bpf.c @@ -21,6 +21,7 @@ #include #include #include +#include #include =20 #ifndef ARRAY_SIZE @@ -190,11 +191,14 @@ static void send_from(struct test_params p, uint16_t = sport, char *buf, struct sockaddr * const saddr =3D new_any_sockaddr(p.send_family, sport); struct sockaddr * const daddr =3D new_loopback_sockaddr(p.send_family, p.recv_port); - const int fd =3D socket(p.send_family, p.protocol, 0); + const int fd =3D socket(p.send_family, p.protocol, 0), one =3D 1; =20 if (fd < 0) error(1, errno, "failed to create send socket"); =20 + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) + error(1, errno, "failed to set reuseaddr"); + if (bind(fd, saddr, sockaddr_size())) error(1, errno, "failed to bind send socket"); =20 @@ -433,6 +437,21 @@ void enable_fastopen(void) } } =20 +static struct rlimit rlim_old, rlim_new; + +static __attribute__((constructor)) void main_ctor(void) +{ + getrlimit(RLIMIT_MEMLOCK, &rlim_old); + rlim_new.rlim_cur =3D rlim_old.rlim_cur + (1UL << 20); + rlim_new.rlim_max =3D rlim_old.rlim_max + (1UL << 20); + setrlimit(RLIMIT_MEMLOCK, &rlim_new); +} + +static __attribute__((destructor)) void main_dtor(void) +{ + setrlimit(RLIMIT_MEMLOCK, &rlim_old); +} + int main(void) { fprintf(stderr, "---- IPv4 UDP ----\n"); --=20 2.15.1