From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EAE3AFDEE55 for ; Thu, 23 Apr 2026 23:49:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3lDwu8Gbb329Ho7MTScUMWrS/rbRC2QHTMwbPQ3a3YM=; b=rntBqqs8/2ccGqiVqeub4O7A6S jNPN0XcaeaCr+RVJRij4Hy2S6udoy7tv8BGLMZuMU3sg0J4y4RKSTTMkc2tyxspWRNzxS0PWjrC7x GJMu3wi8Pm4vIhd4k+aEO5YnXpJr+7FxpZVP/CXqxL2U6v6HQmWH/U2tlpQ4p+CXsxFg02bmycgnI OStTKaaTqHo3rvAr/BIvzOg7gVIenIs0O4Xv9R8GAu+vNZ006W+Zs+PMud0Kyga8QxBotRIXSfrOW Pnr4FXV3Fwl3feFu9iATgwJJ1iARnAuTin5OUvcIyI8tdnNKiYQjbSuqlHmM6n1ii0qmO6QdaQHVl Dc20ec9Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wG3nE-0000000CQDr-0Qe8; Thu, 23 Apr 2026 23:49:12 +0000 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wG3n5-0000000CQ94-2Tmg for kexec@lists.infradead.org; Thu, 23 Apr 2026 23:49:11 +0000 Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-48a563e4ef7so37230295e9.0 for ; Thu, 23 Apr 2026 16:49:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776988141; x=1777592941; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3lDwu8Gbb329Ho7MTScUMWrS/rbRC2QHTMwbPQ3a3YM=; b=eElkng0q00U1EZNvJFF0ptqMkDInh+H2OmBFDA0tvCQuUBYorv0u8Gw1XOK1YpRRgQ KWuwSJXSjy7sW6TiA1wduWgNvd/bM6UYC31dRZ4UukePzBm4up/jXuAhyk665hWJsaXO US0OyMXo4KfYKZTs6gMNxv9PF1v3zt1lEcJrTToZVnDomWMLO3pAzkpUu2gX1v24si2W wfx7t4BrvQToOLrxLKxhVQq1dnam0uqmFiyz/sWBq+ZoVuM89fZ2QZS+rzNNwpIkQlHg +dsrafEH8W6SyQGuF2Um2mKpPibANFhMM0aYAiCtcsv6ttikdGOX13O5Cym9zy59Lhqn U0wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776988141; x=1777592941; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=3lDwu8Gbb329Ho7MTScUMWrS/rbRC2QHTMwbPQ3a3YM=; b=RXTWFFUxGpbLIGbuN4nDs0iTxBoUbolWjrWRTze8W0UjBExzss1aAEMccSy4sNleJ6 3bLt45mVoj/mQVE6grMH+8wRLWFH0EHGaSXpn4SlJYII0trSHKW9dAYrxvEnRqc8j3QZ fXcA5zBS8of3MARjHQ/WfKTU/suOc3odkPcTd3DYr7sTZIFjJyeAkOeq6XXKycltcw7+ 7x7Tq5wfN5IpXRlp7QqzJU9/KsNzUSLeG7TuMtM5nTKPz6843RAxdFYwxsjAt0tD1HFs XFghnwSH/+CqFj/2la3sYfa1uhOmUr223JQ8V58QogxYtICdO/D2P3hICW6BLrtsOMLQ H4Rg== X-Gm-Message-State: AOJu0YyoAzySz1SDIt/70I9RgixBugRu+FAomkmDRU85tLu60XfyfL3P K+f3hzergHuPtwa7sAeohnU+zzrmJYJUpJwIrxT5Il6AFQB9dgTegQ8ki01Zxg== X-Gm-Gg: AeBDieuuxu/X491Fc+gT0nHW3TozP5wJdp714lkVJjW6xNDJXS7qK4rR7fJLzThieno F04+wjXwjraDFBBWLriY2KILIb/WZLjQ+hd5bVA3/zda1Kpdo0oYrUNmruI1Tc2TxPxbieeV/Ah MY6AVXJrWjGbOcN0bkA3QLhj+GjF3PDt4ymGofee2WcZ1X9HewbU2fwsy7ZFpnTmRAqbAjutBWi W/NfVj7i+PwCZjSirz//vBhtFAUusG7JOCY661IC3HNxxmX1MUCuwsxlqifHUjcCNqwoNgswk6K pUvFsDK9KZmn0MKcXLesR66i1QBNSWdxzrnfiy7qAvV6mlaFURHiIZLcpMaf7xjFyYPUMj7zG1i wV9WyC0fyFz2VXB0KYzSmjdULzZGvzgMTrLcZOJM2jr3Gr9IhT1tDB7ZprzlxFW1JE6ZX2Zyb3n zthrUQ/2A3/2LhN1c/qY7m/ruXQEvdjmddwKrw02UpIUcRgRYrpA== X-Received: by 2002:a05:600c:3b14:b0:48a:52d9:54ab with SMTP id 5b1f17b1804b1-48a52d95604mr251358915e9.30.1776988141226; Thu, 23 Apr 2026 16:49:01 -0700 (PDT) Received: from localhost ([2a01:4b00:d036:ae00:e8d7:434e:1f34:2cb6]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-488fb75c695sm164971395e9.14.2026.04.23.16.49.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 16:49:00 -0700 (PDT) From: luca.boccassi@gmail.com To: kexec@lists.infradead.org Cc: linux-mm@kvack.org, rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, linux-kernel@vger.kernel.org, Luca Boccassi Subject: [PATCH v10 4/4] selftests/liveupdate: add test cases for LIVEUPDATE_SESSION_GET_NAME Date: Fri, 24 Apr 2026 00:44:23 +0100 Message-ID: <20260423234753.3873095-5-luca.boccassi@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260423234753.3873095-1-luca.boccassi@gmail.com> References: <20260423234753.3873095-1-luca.boccassi@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260423_164903_645829_5129B756 X-CRM114-Status: GOOD ( 11.81 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org From: Luca Boccassi Verify that the new LIVEUPDATE_SESSION_GET_NAME ioctl works as expected via new test cases in the existing liveupdate selftest. Signed-off-by: Luca Boccassi Reviewed-by: Pasha Tatashin Acked-by: Mike Rapoport (Microsoft) --- .../testing/selftests/liveupdate/liveupdate.c | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/tools/testing/selftests/liveupdate/liveupdate.c b/tools/testing/selftests/liveupdate/liveupdate.c index f0a8e600c154..eda832125809 100644 --- a/tools/testing/selftests/liveupdate/liveupdate.c +++ b/tools/testing/selftests/liveupdate/liveupdate.c @@ -102,6 +102,22 @@ static int create_session(int lu_fd, const char *name) return args.fd; } +/* Helper function to get a session name via ioctl. */ +static int get_session_name(int session_fd, char *name, size_t name_len) +{ + struct liveupdate_session_get_name args = {}; + + args.size = sizeof(args); + + if (ioctl(session_fd, LIVEUPDATE_SESSION_GET_NAME, &args)) + return -errno; + + strncpy(name, (char *)args.name, name_len - 1); + name[name_len - 1] = '\0'; + + return 0; +} + /* * Test Case: Create Duplicate Session * @@ -387,4 +403,59 @@ TEST_F(liveupdate_device, create_session_empty_name) EXPECT_EQ(session_fd, -EINVAL); } +/* + * Test Case: Get Session Name + * + * Verifies that the full session name can be retrieved from a session file + * descriptor via ioctl. + */ +TEST_F(liveupdate_device, get_session_name) +{ + char name_buf[LIVEUPDATE_SESSION_NAME_LENGTH] = {}; + const char *session_name = "get-name-test-session"; + int session_fd; + + self->fd1 = open(LIVEUPDATE_DEV, O_RDWR); + if (self->fd1 < 0 && errno == ENOENT) + SKIP(return, "%s does not exist", LIVEUPDATE_DEV); + ASSERT_GE(self->fd1, 0); + + session_fd = create_session(self->fd1, session_name); + ASSERT_GE(session_fd, 0); + + ASSERT_EQ(get_session_name(session_fd, name_buf, sizeof(name_buf)), 0); + ASSERT_STREQ(name_buf, session_name); + + ASSERT_EQ(close(session_fd), 0); +} + +/* + * Test Case: Get Session Name at Maximum Length + * + * Verifies that a session name using the full LIVEUPDATE_SESSION_NAME_LENGTH + * (minus the null terminator) can be correctly retrieved. + */ +TEST_F(liveupdate_device, get_session_name_max_length) +{ + char name_buf[LIVEUPDATE_SESSION_NAME_LENGTH] = {}; + char long_name[LIVEUPDATE_SESSION_NAME_LENGTH]; + int session_fd; + + memset(long_name, 'A', sizeof(long_name) - 1); + long_name[sizeof(long_name) - 1] = '\0'; + + self->fd1 = open(LIVEUPDATE_DEV, O_RDWR); + if (self->fd1 < 0 && errno == ENOENT) + SKIP(return, "%s does not exist", LIVEUPDATE_DEV); + ASSERT_GE(self->fd1, 0); + + session_fd = create_session(self->fd1, long_name); + ASSERT_GE(session_fd, 0); + + ASSERT_EQ(get_session_name(session_fd, name_buf, sizeof(name_buf)), 0); + ASSERT_STREQ(name_buf, long_name); + + ASSERT_EQ(close(session_fd), 0); +} + TEST_HARNESS_MAIN -- 2.47.3