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GET /api/1.2/patches/2222800/?format=api
{ "id": 2222800, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2222800/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/patch/20260413180725.411367-1-somadas1@linux.ibm.com/", "project": { "id": 59, "url": "http://patchwork.ozlabs.org/api/1.2/projects/59/?format=api", "name": "Linux Test Project development", "link_name": "ltp", "list_id": "ltp.lists.linux.it", "list_email": "ltp@lists.linux.it", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260413180725.411367-1-somadas1@linux.ibm.com>", "list_archive_url": null, "date": "2026-04-13T18:07:25", "name": "mq_unlink01: fix EEXIST failure when run in parallel", "commit_ref": null, "pull_url": null, "state": "needs-review-ack", "archived": false, "hash": "b45f769d18ea1844b1ca73b511a3813c47821d81", "submitter": { "id": 93035, "url": "http://patchwork.ozlabs.org/api/1.2/people/93035/?format=api", "name": "Soma Das", "email": "somadas1@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ltp/patch/20260413180725.411367-1-somadas1@linux.ibm.com/mbox/", "series": [ { "id": 499734, "url": "http://patchwork.ozlabs.org/api/1.2/series/499734/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/list/?series=499734", "date": "2026-04-13T18:07:25", "name": "mq_unlink01: fix EEXIST failure when run in parallel", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499734/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222800/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2222800/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "ltp@lists.linux.it" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ltp@picard.linux.it" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=M7vK50ir;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=2001:1418:10:5::2; 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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n :content-transfer-encoding:date:from:message-id:mime-version\n :subject:to; s=pp1; bh=zxe/MDbv8szFId/GCoY+viqpDFcQkl0OuseK3HSG1\n qs=; b=M7vK50irVX2IxL2nu41CIdAeQCt5IdzhvCsbWPPgT9uY2qpdIIDEmsN75\n ejLswvpbvGmqNdm6oz3qBQD/XXSgCHlpsybmf1L6yeIILVty2L1VwpZEk48AdzFc\n 9w6PmVmjH97G7oJIH7I5/dCRrvAFlPMYA7ruKUdXlri5auJ8e9Xd8++3ul1OZkmD\n O98IwTzvMs2yBetTWY0UHuhCLX98qjml2sxaLSh4YrcP1aMLSutP6qA02gbmPpSE\n SydHCXLPysGgQiFN9cK2SkaNZTURyVoQkG3617WAc+v8RCwJoC6EbptMkZZHvEq3\n j6U4gPdjkSL0BNKrmQD7QmDfyj9Ow==", "From": "Soma Das <somadas1@linux.ibm.com>", "To": "ltp@lists.linux.it", "Date": "Mon, 13 Apr 2026 18:07:25 +0000", "Message-Id": "<20260413180725.411367-1-somadas1@linux.ibm.com>", "X-Mailer": "git-send-email 2.39.1", "MIME-Version": "1.0", "X-TM-AS-GCONF": "00", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDEzMDE3MCBTYWx0ZWRfX6HVsTCFU+a49\n WhsGqc5i3thJ11HIFjd1BxxsitEl5MhzEZSuCr9INpWRtMBD0xxrWE+Fqn/7eTqNEEHotYBjQ98\n LnEpTafxFzozpa8f8ZLBVs+K9WgoF1cP5c03M/G2l6YxELm5EtJ8VTe1mL+N+eDMHvYNgt2HEjS\n aRcrXTpNJkElSZ3UE6bMMLqsHx81TuMKukzlS2KHYCBjp6caG/bHyTp8rCSIQ0inpqGEQuvcePy\n ySmV9P3ppWZ4Np5PEeRQc1XaCLCpmU+Bt9tJCd9CytQ+Jh82dLVh/DoNMpZadEcbQAdQxHOGESt\n th3uLMSEr7MIZRUSeQCAVjCHZXlrX7COFfGFkTrHcvKpEBKMb7SZK0W9Xmtu8LcF9NFz4jvCgx9\n eAorEcweBnEQ+LyQh+Xozj2itU5t2rGNp9ZhumUk12d2PQD6MHnUFgDUIOKz2SFygIlaD4knxFX\n q/vK7PIPV2w0jNu7vtQ==", "X-Proofpoint-ORIG-GUID": "qHinwXaPqrorczlCgb7GOuQIRRcb22Vf", "X-Authority-Analysis": "v=2.4 cv=TId1jVla c=1 sm=1 tr=0 ts=69dd2b1d cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=vnwhZ7JpDF0lGcMctGQA:9", "X-Proofpoint-GUID": "qHinwXaPqrorczlCgb7GOuQIRRcb22Vf", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-13_03,2026-04-13_04,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n bulkscore=0 malwarescore=0 spamscore=0 adultscore=0 phishscore=0\n suspectscore=0 priorityscore=1501 impostorscore=0 clxscore=1015\n lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000\n definitions=main-2604130170", "X-Spam-Status": "No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,\n SPF_HELO_NONE,SPF_PASS shortcircuit=no autolearn=disabled version=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on in-7.smtp.seeweb.it", "X-Virus-Scanned": "clamav-milter 1.0.9 at in-7.smtp.seeweb.it", "X-Virus-Status": "Clean", "Subject": "[LTP] [PATCH] mq_unlink01: fix EEXIST failure when run in parallel", "X-BeenThere": "ltp@lists.linux.it", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Linux Test Project <ltp.lists.linux.it>", "List-Unsubscribe": "<https://lists.linux.it/options/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=unsubscribe>", "List-Archive": "<http://lists.linux.it/pipermail/ltp/>", "List-Post": "<mailto:ltp@lists.linux.it>", "List-Help": "<mailto:ltp-request@lists.linux.it?subject=help>", "List-Subscribe": "<https://lists.linux.it/listinfo/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=subscribe>", "Cc": "somadas1@linux.ibm.com", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it", "Sender": "\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>" }, "content": "When executed with -w N, all workers share the hardcoded\n\"/test_mqueue\" queue name. The second worker to reach\nSAFE_MQ_OPEN(O_CREAT|O_EXCL) finds the queue already exists\nand aborts with TBROK: EEXIST.\n\nFix by generating a per-process queue name using getpid(),\nmatching the approach used in mq_timedreceive01.\n\nSigned-off-by: Soma Das <somadas1@linux.ibm.com>\n---\n testcases/kernel/syscalls/mq_unlink/mq_unlink01.c | 14 +++++++-------\n 1 file changed, 7 insertions(+), 7 deletions(-)", "diff": "diff --git a/testcases/kernel/syscalls/mq_unlink/mq_unlink01.c b/testcases/kernel/syscalls/mq_unlink/mq_unlink01.c\nindex baca57948..1cfffb083 100644\n--- a/testcases/kernel/syscalls/mq_unlink/mq_unlink01.c\n+++ b/testcases/kernel/syscalls/mq_unlink/mq_unlink01.c\n@@ -14,10 +14,9 @@\n #include \"tst_test.h\"\n #include \"tst_safe_posix_ipc.h\"\n \n-#define QUEUE_NAME\t\"/test_mqueue\"\n-\n static uid_t euid;\n static struct passwd *pw;\n+static char queue_name[64];\n \n struct test_case {\n \tint as_nobody;\n@@ -28,13 +27,11 @@ struct test_case {\n \n static struct test_case tcase[] = {\n \t{\n-\t\t.qname = QUEUE_NAME,\n \t\t.ret = 0,\n \t\t.err = 0,\n \t},\n \t{\n \t\t.as_nobody = 1,\n-\t\t.qname = QUEUE_NAME,\n \t\t.ret = -1,\n \t\t.err = EACCES,\n \t},\n@@ -64,6 +61,9 @@ static struct test_case tcase[] = {\n \n void setup(void)\n {\n+\tsnprintf(queue_name, sizeof(queue_name), \"/test_mqueue_%d\", getpid());\n+\ttcase[0].qname = queue_name;\n+\ttcase[1].qname = queue_name;\n \teuid = geteuid();\n \tpw = SAFE_GETPWNAM(\"nobody\");\n }\n@@ -79,10 +79,10 @@ static void do_test(unsigned int i)\n \t * When test ended with SIGTERM etc, mq descriptor is left remains.\n \t * So we delete it first.\n \t */\n-\tmq_unlink(QUEUE_NAME);\n+\tmq_unlink(queue_name);\n \n \t/* prepare */\n-\tfd = SAFE_MQ_OPEN(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, S_IRWXU, NULL);\n+\tfd = SAFE_MQ_OPEN(queue_name, O_CREAT | O_EXCL | O_RDWR, S_IRWXU, NULL);\n \n \tif (tc->as_nobody && seteuid(pw->pw_uid)) {\n \t\ttst_res(TFAIL | TERRNO, \"seteuid failed\");\n@@ -107,7 +107,7 @@ EXIT:\n \tif (fd > 0 && close(fd))\n \t\ttst_res(TWARN | TERRNO, \"close(fd) failed\");\n \n-\tmq_unlink(QUEUE_NAME);\n+\tmq_unlink(queue_name);\n }\n \n static struct tst_test test = {\n", "prefixes": [] }