{"id":2227298,"url":"http://patchwork.ozlabs.org/api/patches/2227298/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/patch/20260423120309.18049-2-chrubis@suse.cz/","project":{"id":59,"url":"http://patchwork.ozlabs.org/api/projects/59/?format=json","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":"<20260423120309.18049-2-chrubis@suse.cz>","list_archive_url":null,"date":"2026-04-23T12:03:02","name":"[v2,1/8] syscalls: Add epoll_create03","commit_ref":null,"pull_url":null,"state":"needs-review-ack","archived":false,"hash":"48ab00f3cab096e0dcb427bd7b52fbe60e692fe5","submitter":{"id":8530,"url":"http://patchwork.ozlabs.org/api/people/8530/?format=json","name":"Cyril Hrubis","email":"chrubis@suse.cz"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ltp/patch/20260423120309.18049-2-chrubis@suse.cz/mbox/","series":[{"id":501188,"url":"http://patchwork.ozlabs.org/api/series/501188/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/list/?series=501188","date":"2026-04-23T12:03:01","name":"Add more epoll tests","version":2,"mbox":"http://patchwork.ozlabs.org/series/501188/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227298/comments/","check":"warning","checks":"http://patchwork.ozlabs.org/api/patches/2227298/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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\" (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=QwMlyvXp;\n\tdkim=fail reason=\"signature verification failed\" header.d=suse.cz\n header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519\n header.b=Qam7i0kE;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key)\n header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa\n header.b=aHC100+f;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=HY/OAOQB;\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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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" "},"content":"Test that checks that we get EMFILE when limit on per-process file\ndescriptors is hit.\n\nSigned-off-by: Cyril Hrubis \n---\n runtest/syscalls | 2 +\n .../kernel/syscalls/epoll_create/.gitignore | 1 +\n .../syscalls/epoll_create/epoll_create03.c | 72 +++++++++++++++++++\n 3 files changed, 75 insertions(+)\n create mode 100644 testcases/kernel/syscalls/epoll_create/epoll_create03.c","diff":"diff --git a/runtest/syscalls b/runtest/syscalls\nindex df5dc02b5..d890c5516 100644\n--- a/runtest/syscalls\n+++ b/runtest/syscalls\n@@ -177,6 +177,8 @@ dup3_02 dup3_02\n \n epoll_create01 epoll_create01\n epoll_create02 epoll_create02\n+epoll_create03 epoll_create03\n+\n epoll_create1_01 epoll_create1_01\n epoll_create1_02 epoll_create1_02\n epoll01 epoll-ltp\ndiff --git a/testcases/kernel/syscalls/epoll_create/.gitignore b/testcases/kernel/syscalls/epoll_create/.gitignore\nindex 5c16cfa8c..855bf255c 100644\n--- a/testcases/kernel/syscalls/epoll_create/.gitignore\n+++ b/testcases/kernel/syscalls/epoll_create/.gitignore\n@@ -1,2 +1,3 @@\n epoll_create01\n epoll_create02\n+epoll_create03\ndiff --git a/testcases/kernel/syscalls/epoll_create/epoll_create03.c b/testcases/kernel/syscalls/epoll_create/epoll_create03.c\nnew file mode 100644\nindex 000000000..d0e66c4e5\n--- /dev/null\n+++ b/testcases/kernel/syscalls/epoll_create/epoll_create03.c\n@@ -0,0 +1,72 @@\n+// SPDX-License-Identifier: GPL-2.0-or-later\n+/*\n+ * Copyright (c) 2026 Cyril Hrubis \n+ */\n+\n+/*\\\n+ * Verify that epoll_create() fails with EMFILE when the per-process limit on\n+ * the number of open file descriptors has been reached.\n+ */\n+\n+#include \n+#include \n+\n+#include \"tst_test.h\"\n+#include \"lapi/epoll.h\"\n+#include \"lapi/syscalls.h\"\n+\n+#include \"epoll_create.h\"\n+\n+static int *fds;\n+static int nfds;\n+static long maxfds;\n+\n+static void setup(void)\n+{\n+\tint fd;\n+\n+\tvariant_info();\n+\n+\tmaxfds = SAFE_SYSCONF(_SC_OPEN_MAX);\n+\tfds = SAFE_MALLOC(maxfds * sizeof(int));\n+\tmemset(fds, -1, maxfds * sizeof(int));\n+\n+\tfds[0] = SAFE_OPEN(\"dummy\", O_RDWR | O_CREAT, 0700);\n+\tnfds = 1;\n+\n+\tfor (long i = 1; i < maxfds; i++) {\n+\t\tfd = dup(fds[0]);\n+\t\tif (fd == -1)\n+\t\t\tbreak;\n+\t\tfds[nfds++] = fd;\n+\t}\n+}\n+\n+static void run(void)\n+{\n+\tTST_EXP_FAIL2(do_epoll_create(1), EMFILE,\n+\t\t \"epoll_create(1) with exhausted fds\");\n+\n+\tif (TST_RET != -1)\n+\t\tSAFE_CLOSE(TST_RET);\n+}\n+\n+static void cleanup(void)\n+{\n+\tint i;\n+\n+\tfor (i = 0; i < nfds; i++) {\n+\t\tif (fds[i] != -1)\n+\t\t\tSAFE_CLOSE(fds[i]);\n+\t}\n+\n+\tfree(fds);\n+}\n+\n+static struct tst_test test = {\n+\t.test_variants = EPOLL_CREATE_VARIANTS,\n+\t.test_all = run,\n+\t.setup = setup,\n+\t.cleanup = cleanup,\n+\t.needs_tmpdir = 1,\n+};\n","prefixes":["v2","1/8"]}