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Sun, 8 Apr 2018 20:18:42 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Alexei Starovoitov , Daniel Borkmann , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 076/189] selftests/bpf: fix test_dev_cgroup Thread-Topic: [PATCH AUTOSEL for 4.15 076/189] selftests/bpf: fix test_dev_cgroup Thread-Index: AQHTz5guhiGpA8wpR0iaHl2RDRsY+g== Date: Mon, 9 Apr 2018 00:17:44 +0000 Message-ID: <20180409001637.162453-76-alexander.levin@microsoft.com> References: <20180409001637.162453-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001637.162453-1-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;DM5PR2101MB1128;7:k8hxp4282cCqzquvQo2yb/CC0NRbxt2OfNt5VkTwnlzAPo7/hO5BnPuUOlGldIdSItdcpL94XqeWAA4+IUlNQRBUFjrBQux2zktgcz2UainuOmwEq5SkR8/XJOb7XTY6sN6UKiEZMX9Xi8+WY+ytzC+UykkFsWuiI1A272YeqsAGCkdUGj0dkyxS5uGvYOIYqbywAOerV4X16qgMNxM8V3ETuAfnEYv6vzCBl0QvlvZj+4hE2FVREz5Y8BFiduJT;20:N4cQjzymbFQcKtUfriy2p2ss7/FJFzX+4bZBCj2pCuLbQ6lwxZOSq0bMAdQbWgoR8kRK3u6OH+sNip7+YBKIY5Pz7ir9gGJMEH6cAM1lO9kHXc70oMSVNJOfobwpKXWuT3Db191UZA/Oy/WIBT6KSdY9tEMbwAR2spFU2CFTXac= x-ms-office365-filtering-ht: Tenant X-MS-Office365-Filtering-Correlation-Id: 1eeca884-b364-4d3c-dad0-08d59daf6fb4 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB1128; 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x-microsoft-antispam-message-info: yEAyQbKJ4hESwZ0lGgxhxCCP+iRx/LqOhH4URm0i6mClazyKxlhrLoNkNBSIiNM3u669/WhlkN11QzvaC3+P+9I63kyeIZDDidRUrqU0ED1k78YOyYHb4ksAPVhgWsq6DpZhco06chUS2UiKxV+b6Kwp27kna2dY/I+AHCGR7qiVW9XkMqSbg6usl+v2oLQITsZ+CbvsQ6LBdAK3qsoeYJO0xnzitIVcvR8mhpIjLg1DraLeEeNg1gsAybcxFlJZ6w3BsKXmWp6rrLi8aPrmu7zfnirTTE6pWzl5l71wJlpBb3SbPi4AE4Qn5viXq78Gw4rWr4c2tbyLDItXnZluIbREfupEDDn9aoFWDGle97MhXPV6faU/9DA1ZtCPFRMAh5jWDrNC/fqVLXDRIcmayTPKecfg+XHBVNZkpXhSDFQ= 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: 1eeca884-b364-4d3c-dad0-08d59daf6fb4 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:17:44.9300 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1128 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: Alexei Starovoitov [ Upstream commit 8e6875250a1189e0d8db8b05e18abe63c2744521 ] The test incorrectly doing mkdir /mnt/cgroup-test-work-dirtest-bpf-based-device-cgroup instead of mkdir /mnt/cgroup-test-work-dir/test-bpf-based-device-cgroup somehow such mkdir succeeds and new directory appears: /mnt/cgroup-test-work-dir/cgroup-test-work-dirtest-bpf-based-device-cgroup Later cleanup via nftw("/mnt/cgroup-test-work-dir", ...); doesn't walk this directory. "rmdir /mnt/cgroup-test-work-dir" succeeds, but bpf program and dangling cgroup stays in memory. That's a separate issue on a cgroup side. For now fix the test. Fixes: 37f1ba0909df ("selftests/bpf: add a test for device cgroup controlle= r") Signed-off-by: Alexei Starovoitov Signed-off-by: Daniel Borkmann Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_dev_cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/= selftests/bpf/test_dev_cgroup.c index 02c85d6c89b0..070bc3c9a873 100644 --- a/tools/testing/selftests/bpf/test_dev_cgroup.c +++ b/tools/testing/selftests/bpf/test_dev_cgroup.c @@ -19,7 +19,7 @@ =20 #define DEV_CGROUP_PROG "./dev_cgroup.o" =20 -#define TEST_CGROUP "test-bpf-based-device-cgroup/" +#define TEST_CGROUP "/test-bpf-based-device-cgroup/" =20 int main(int argc, char **argv) { --=20 2.15.1