Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2227295/?format=api
{ "id": 2227295, "url": "http://patchwork.ozlabs.org/api/patches/2227295/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/patch/20260423120309.18049-8-chrubis@suse.cz/", "project": { "id": 59, "url": "http://patchwork.ozlabs.org/api/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": "<20260423120309.18049-8-chrubis@suse.cz>", "list_archive_url": null, "date": "2026-04-23T12:03:08", "name": "[v2,7/8] syscalls: Add epoll_wait12", "commit_ref": null, "pull_url": null, "state": "needs-review-ack", "archived": false, "hash": "fc75d1c66f52401499e81779e67d17b18de65e9d", "submitter": { "id": 8530, "url": "http://patchwork.ozlabs.org/api/people/8530/?format=api", "name": "Cyril Hrubis", "email": "chrubis@suse.cz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ltp/patch/20260423120309.18049-8-chrubis@suse.cz/mbox/", "series": [ { "id": 501188, "url": "http://patchwork.ozlabs.org/api/series/501188/?format=api", "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/2227295/comments/", "check": "warning", "checks": "http://patchwork.ozlabs.org/api/patches/2227295/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\" (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=PK/6iXOY;\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=YEfRsxId;\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=PK/6iXOY;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=YEfRsxId;\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; helo=picard.linux.it;\n envelope-from=ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it;\n receiver=patchwork.ozlabs.org)", "smtp-out2.suse.de;\n\tnone" ], "Received": [ "from picard.linux.it (picard.linux.it [IPv6:2001:1418:10:5::2])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1ZWx6NjRz1yD5\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 22:04:29 +1000 (AEST)", "from picard.linux.it (localhost [IPv6:::1])\n\tby picard.linux.it (Postfix) with ESMTP id 759553E4ACB\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 14:04:27 +0200 (CEST)", "from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it\n [IPv6:2001:4b78:1:20::5])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature ECDSA (secp384r1))\n (No client certificate requested)\n by picard.linux.it (Postfix) with ESMTPS id E31A83E538F\n for <ltp@lists.linux.it>; Thu, 23 Apr 2026 14:03:15 +0200 (CEST)", "from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by in-5.smtp.seeweb.it (Postfix) with ESMTPS id 7136F60057D\n for <ltp@lists.linux.it>; Thu, 23 Apr 2026 14:03:15 +0200 (CEST)", "from imap1.dmz-prg2.suse.org (unknown [10.150.64.97])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-out2.suse.de (Postfix) with ESMTPS id BC4BD5BCC8\n for <ltp@lists.linux.it>; Thu, 23 Apr 2026 12:03:07 +0000 (UTC)", "from imap1.dmz-prg2.suse.org (localhost [127.0.0.1])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest\n SHA256)\n (No client certificate requested)\n by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id AAF11593B3\n for <ltp@lists.linux.it>; Thu, 23 Apr 2026 12:03:07 +0000 (UTC)", "from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167])\n by imap1.dmz-prg2.suse.org with ESMTPSA id gq+IKHsK6mnGUQAAD6G6ig\n (envelope-from <chrubis@suse.cz>)\n for <ltp@lists.linux.it>; Thu, 23 Apr 2026 12:03:07 +0000" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_rsa;\n t=1776945787; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=1xrNQuU5ltOUMNlGM3mEWn3lYLwz8cmYGQy00efDWlo=;\n b=PK/6iXOYhw/ImBLbI20vIbUOTu3eTdwaP8QOCZsUWYibgvvb1w+kAwCRpfGs8wnx7fv6uJ\n JSmo5P6461NzFmYHkmouUm6Htp2bSElTtydNiJd2+RrcJ4XP8MdJaOC0K2KzbUY410e1mt\n 6KorrU5Xd3n2bZXMJOG0MCmeZ/GrsRw=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_ed25519; t=1776945787;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=1xrNQuU5ltOUMNlGM3mEWn3lYLwz8cmYGQy00efDWlo=;\n b=YEfRsxIds5MJZ+FI33yAqgZPkbkLgXpOs5iYEJNTva8qtfVqThGcT7YJlDowsuzKFlOUzB\n VlD/8tu/uES3C7Cg==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_rsa;\n t=1776945787; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=1xrNQuU5ltOUMNlGM3mEWn3lYLwz8cmYGQy00efDWlo=;\n b=PK/6iXOYhw/ImBLbI20vIbUOTu3eTdwaP8QOCZsUWYibgvvb1w+kAwCRpfGs8wnx7fv6uJ\n JSmo5P6461NzFmYHkmouUm6Htp2bSElTtydNiJd2+RrcJ4XP8MdJaOC0K2KzbUY410e1mt\n 6KorrU5Xd3n2bZXMJOG0MCmeZ/GrsRw=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_ed25519; t=1776945787;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=1xrNQuU5ltOUMNlGM3mEWn3lYLwz8cmYGQy00efDWlo=;\n b=YEfRsxIds5MJZ+FI33yAqgZPkbkLgXpOs5iYEJNTva8qtfVqThGcT7YJlDowsuzKFlOUzB\n VlD/8tu/uES3C7Cg==" ], "From": "Cyril Hrubis <chrubis@suse.cz>", "To": "ltp@lists.linux.it", "Date": "Thu, 23 Apr 2026 14:03:08 +0200", "Message-ID": "<20260423120309.18049-8-chrubis@suse.cz>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260423120309.18049-1-chrubis@suse.cz>", "References": "<20260423120309.18049-1-chrubis@suse.cz>", "MIME-Version": "1.0", "X-Spam-Score": "-2.80", "X-Spam-Level": "", "X-Spamd-Result": "default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%];\n MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000];\n R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.998];\n MIME_GOOD(-0.10)[text/plain];\n FUZZY_RATELIMITED(0.00)[rspamd.com];\n RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1];\n ARC_NA(0.00)[];\n DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:mid,suse.cz:email,ev.events:url];\n FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[];\n MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2];\n TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[];\n PREVIOUSLY_DELIVERED(0.00)[ltp@lists.linux.it];\n RCVD_TLS_ALL(0.00)[]", "X-Spam-Status": "No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,\n DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS shortcircuit=no\n autolearn=disabled version=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on in-5.smtp.seeweb.it", "X-Virus-Scanned": "clamav-milter 1.0.9 at in-5.smtp.seeweb.it", "X-Virus-Status": "Clean", "Subject": "[LTP] [PATCH v2 7/8] syscalls: Add epoll_wait12", "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>", "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": "A test for EPOLLERR when we are waiting to write into a pipe and the\nread end is closed.\n\nSigned-off-by: Cyril Hrubis <chrubis@suse.cz>\n---\n runtest/syscalls | 1 +\n .../kernel/syscalls/epoll_wait/.gitignore | 1 +\n .../kernel/syscalls/epoll_wait/epoll_wait12.c | 112 ++++++++++++++++++\n 3 files changed, 114 insertions(+)\n create mode 100644 testcases/kernel/syscalls/epoll_wait/epoll_wait12.c", "diff": "diff --git a/runtest/syscalls b/runtest/syscalls\nindex c16cf3554..0787bbe72 100644\n--- a/runtest/syscalls\n+++ b/runtest/syscalls\n@@ -200,6 +200,7 @@ epoll_wait08 epoll_wait08\n epoll_wait09 epoll_wait09\n epoll_wait10 epoll_wait10\n epoll_wait11 epoll_wait11\n+epoll_wait12 epoll_wait12\n \n epoll_pwait01 epoll_pwait01\n epoll_pwait02 epoll_pwait02\ndiff --git a/testcases/kernel/syscalls/epoll_wait/.gitignore b/testcases/kernel/syscalls/epoll_wait/.gitignore\nindex 57bdf0806..ad890d077 100644\n--- a/testcases/kernel/syscalls/epoll_wait/.gitignore\n+++ b/testcases/kernel/syscalls/epoll_wait/.gitignore\n@@ -9,3 +9,4 @@ epoll_wait08\n epoll_wait09\n epoll_wait10\n epoll_wait11\n+epoll_wait12\ndiff --git a/testcases/kernel/syscalls/epoll_wait/epoll_wait12.c b/testcases/kernel/syscalls/epoll_wait/epoll_wait12.c\nnew file mode 100644\nindex 000000000..eed395fcf\n--- /dev/null\n+++ b/testcases/kernel/syscalls/epoll_wait/epoll_wait12.c\n@@ -0,0 +1,112 @@\n+// SPDX-License-Identifier: GPL-2.0-or-later\n+/*\n+ * Copyright (c) Linux Test Project, 2026\n+ */\n+\n+/*\\\n+ * Verify that epoll_wait reports EPOLLERR when the read end of a pipe is\n+ * closed while a child process is blocked in epoll_wait on the write end.\n+ *\n+ * [Algorithm]\n+ *\n+ * - Create a pipe and fill it completely so the write end is not writable.\n+ * - Register the write end with an epoll instance for EPOLLOUT.\n+ * - Fork a child that closes its copy of the read end and blocks in\n+ * epoll_wait waiting for the pipe to become writable.\n+ * - Parent waits for the child to enter sleep state, then closes the read\n+ * end.\n+ * - The child's epoll_wait should return with EPOLLERR set.\n+ */\n+\n+#include <sys/epoll.h>\n+#include <poll.h>\n+\n+#include \"tst_test.h\"\n+#include \"tst_epoll.h\"\n+\n+static int efd = -1, fds[2] = {-1, -1};\n+\n+static void fill_pipe(int fd)\n+{\n+\tchar buf[4096];\n+\tstruct pollfd pfd = {.fd = fd, .events = POLLOUT};\n+\tint nfd;\n+\n+\tmemset(buf, 'a', sizeof(buf));\n+\n+\tdo {\n+\t\tSAFE_WRITE(SAFE_WRITE_ANY, fd, buf, sizeof(buf));\n+\t\tnfd = poll(&pfd, 1, 0);\n+\t\tif (nfd == -1)\n+\t\t\ttst_brk(TBROK | TERRNO, \"poll()\");\n+\t} while (nfd > 0);\n+}\n+\n+static void run(void)\n+{\n+\tpid_t pid;\n+\n+\tSAFE_PIPE(fds);\n+\tfill_pipe(fds[1]);\n+\n+\tefd = SAFE_EPOLL_CREATE1(0);\n+\n+\tstruct epoll_event ev = {\n+\t\t.events = EPOLLOUT,\n+\t\t.data.fd = fds[1],\n+\t};\n+\n+\tSAFE_EPOLL_CTL(efd, EPOLL_CTL_ADD, fds[1], &ev);\n+\n+\tpid = SAFE_FORK();\n+\tif (!pid) {\n+\t\tSAFE_CLOSE(fds[0]);\n+\n+\t\tTEST(epoll_wait(efd, &ev, 1, 5000));\n+\t\tif (TST_RET != 1) {\n+\t\t\ttst_res(TFAIL | TTERRNO,\n+\t\t\t\t\"epoll_wait() returned %li, expected 1\",\n+\t\t\t\tTST_RET);\n+\t\t\texit(0);\n+\t\t}\n+\n+\t\tif (ev.data.fd != fds[1]) {\n+\t\t\ttst_res(TFAIL, \"epoll.data.fd %d, expected %d\",\n+\t\t\t\tev.data.fd, fds[1]);\n+\t\t\texit(0);\n+\t\t}\n+\n+\t\tif (!(ev.events & EPOLLERR)) {\n+\t\t\ttst_res(TFAIL, \"events %x, EPOLLERR not set\",\n+\t\t\t\tev.events);\n+\t\t\texit(0);\n+\t\t}\n+\n+\t\ttst_res(TPASS,\n+\t\t\t\"epoll_wait() reported EPOLLERR on broken pipe\");\n+\t\texit(0);\n+\t}\n+\n+\tTST_PROCESS_STATE_WAIT(pid, 'S', 0);\n+\tSAFE_CLOSE(fds[0]);\n+\tSAFE_CLOSE(fds[1]);\n+\tSAFE_CLOSE(efd);\n+}\n+\n+static void cleanup(void)\n+{\n+\tif (fds[1] != -1)\n+\t\tSAFE_CLOSE(fds[1]);\n+\n+\tif (fds[0] != -1)\n+\t\tSAFE_CLOSE(fds[0]);\n+\n+\tif (efd != -1)\n+\t\tSAFE_CLOSE(efd);\n+}\n+\n+static struct tst_test test = {\n+\t.test_all = run,\n+\t.cleanup = cleanup,\n+\t.forks_child = 1,\n+};\n", "prefixes": [ "v2", "7/8" ] }