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Wed, 15 May 2024 11:33:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 0Hh3K5ydRGbwNAAAD6G6ig (envelope-from ); Wed, 15 May 2024 11:33:48 +0000 From: Andrea Cervesato To: ltp@lists.linux.it Date: Wed, 15 May 2024 13:33:31 +0200 Message-Id: <20240515113338.554-4-andrea.cervesato@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240515113338.554-1-andrea.cervesato@suse.de> References: <20240515113338.554-1-andrea.cervesato@suse.de> 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%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,imap1.dmz-prg2.suse.org:helo]; RCVD_TLS_ALL(0.00)[] X-Spam-Status: No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS shortcircuit=no autolearn=disabled version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on in-3.smtp.seeweb.it X-Virus-Scanned: clamav-milter 1.0.3 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v2 03/10] Add listmount01 test X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato This test verifies that listmount() is properly recognizing a mounted root directory using LSMT_ROOT flag. Signed-off-by: Andrea Cervesato --- runtest/syscalls | 2 + .../kernel/syscalls/listmount/.gitignore | 1 + testcases/kernel/syscalls/listmount/Makefile | 7 ++ .../kernel/syscalls/listmount/listmount.h | 26 ++++++++ .../kernel/syscalls/listmount/listmount01.c | 66 +++++++++++++++++++ 5 files changed, 102 insertions(+) create mode 100644 testcases/kernel/syscalls/listmount/.gitignore create mode 100644 testcases/kernel/syscalls/listmount/Makefile create mode 100644 testcases/kernel/syscalls/listmount/listmount.h create mode 100644 testcases/kernel/syscalls/listmount/listmount01.c diff --git a/runtest/syscalls b/runtest/syscalls index d9cf37510..8fd4a9a0a 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -706,6 +706,8 @@ linkat02 linkat02 listen01 listen01 +listmount01 listmount01 + listxattr01 listxattr01 listxattr02 listxattr02 listxattr03 listxattr03 diff --git a/testcases/kernel/syscalls/listmount/.gitignore b/testcases/kernel/syscalls/listmount/.gitignore new file mode 100644 index 000000000..5257b298c --- /dev/null +++ b/testcases/kernel/syscalls/listmount/.gitignore @@ -0,0 +1 @@ +listmount01 diff --git a/testcases/kernel/syscalls/listmount/Makefile b/testcases/kernel/syscalls/listmount/Makefile new file mode 100644 index 000000000..8cf1b9024 --- /dev/null +++ b/testcases/kernel/syscalls/listmount/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (C) 2024 SUSE LLC Andrea Cervesato + +top_srcdir ?= ../../../.. + +include $(top_srcdir)/include/mk/testcases.mk +include $(top_srcdir)/include/mk/generic_leaf_target.mk diff --git a/testcases/kernel/syscalls/listmount/listmount.h b/testcases/kernel/syscalls/listmount/listmount.h new file mode 100644 index 000000000..93766cd33 --- /dev/null +++ b/testcases/kernel/syscalls/listmount/listmount.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2024 SUSE LLC Andrea Cervesato + */ + +#ifndef LISTMOUNT_H + +#define _GNU_SOURCE + +#include "tst_test.h" +#include "lapi/mount.h" +#include "lapi/syscalls.h" + +static inline ssize_t listmount(uint64_t mnt_id, uint64_t last_mnt_id, + uint64_t list[], size_t num, unsigned int flags) +{ + struct mnt_id_req req = { + .size = MNT_ID_REQ_SIZE_VER0, + .mnt_id = mnt_id, + .param = last_mnt_id, + }; + + return tst_syscall(__NR_listmount, &req, list, num, flags); +} + +#endif diff --git a/testcases/kernel/syscalls/listmount/listmount01.c b/testcases/kernel/syscalls/listmount/listmount01.c new file mode 100644 index 000000000..20cc90507 --- /dev/null +++ b/testcases/kernel/syscalls/listmount/listmount01.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2024 SUSE LLC Andrea Cervesato + */ + +/** + * [Description] + * + * This test verifies that listmount() is properly recognizing a mounted + * root directory using LSMT_ROOT flag. + * + * [Algorithm] + * + * * move into a new unshared namespace + * * mount() a root inside temporary folder and get its mount ID + * * get list of mounted IDs using listmount(LSMT_ROOT, ..) + * * verify that the root mount ID is the only mount ID present inside the list + */ + +#include "listmount.h" +#include "lapi/stat.h" +#include "lapi/sched.h" + +#define MNTPOINT "mntpoint" +#define LISTSIZE 32 + +static uint64_t root_id; + +static void run(void) +{ + uint64_t list[LISTSIZE]; + + TST_EXP_POSITIVE(listmount(LSMT_ROOT, 0, list, LISTSIZE, 0)); + if (TST_RET == -1) + return; + + TST_EXP_EQ_LI(TST_RET, 1); + TST_EXP_EQ_LI(list[0], root_id); +} + +static void setup(void) +{ + struct statx sx; + + SAFE_UNSHARE(CLONE_NEWNS); + + SAFE_CHROOT(MNTPOINT); + SAFE_MOUNT("", "/", NULL, MS_REC | MS_PRIVATE, NULL); + SAFE_STATX(AT_FDCWD, "/", 0, STATX_MNT_ID_UNIQUE, &sx); + + root_id = sx.stx_mnt_id; +} + +static struct tst_test test = { + .test_all = run, + .setup = setup, + .forks_child = 1, + .min_kver = "6.8", + .mount_device = 1, + .mntpoint = MNTPOINT, + .all_filesystems = 1, + .skip_filesystems = (const char *const []) { + "fuse", + NULL + }, +};