1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) 2017 Fujitsu Ltd. 4f08c3bdfSopenharmony_ci * Author: Xiao Yang <yangx.jy@cn.fujitsu.com> 5f08c3bdfSopenharmony_ci */ 6f08c3bdfSopenharmony_ci 7f08c3bdfSopenharmony_ci/*\ 8f08c3bdfSopenharmony_ci * [Description] 9f08c3bdfSopenharmony_ci * 10f08c3bdfSopenharmony_ci * quotactl(2) with XGETNEXTQUOTA looks for the next active quota for an user 11f08c3bdfSopenharmony_ci * equal or higher to a given ID, in this test the ID is specified to a value 12f08c3bdfSopenharmony_ci * close to UINT_MAX(max value of unsigned int). When reaching the upper limit 13f08c3bdfSopenharmony_ci * and finding no active quota, it should return -1 and set errno to ENOENT. 14f08c3bdfSopenharmony_ci * Actually, quotactl(2) overflows and and return 0 as the "next" active id. 15f08c3bdfSopenharmony_ci * 16f08c3bdfSopenharmony_ci * This kernel bug of xfs has been fixed in: 17f08c3bdfSopenharmony_ci * 18f08c3bdfSopenharmony_ci * commit 657bdfb7f5e68ca5e2ed009ab473c429b0d6af85 19f08c3bdfSopenharmony_ci * Author: Eric Sandeen <sandeen@redhat.com> 20f08c3bdfSopenharmony_ci * Date: Tue Jan 17 11:43:38 2017 -0800 21f08c3bdfSopenharmony_ci * 22f08c3bdfSopenharmony_ci * xfs: don't wrap ID in xfs_dq_get_next_id 23f08c3bdfSopenharmony_ci */ 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_ci#define _GNU_SOURCE 26f08c3bdfSopenharmony_ci#include <errno.h> 27f08c3bdfSopenharmony_ci#include <unistd.h> 28f08c3bdfSopenharmony_ci#include <stdio.h> 29f08c3bdfSopenharmony_ci#include <sys/quota.h> 30f08c3bdfSopenharmony_ci 31f08c3bdfSopenharmony_ci#include "tst_test.h" 32f08c3bdfSopenharmony_ci#include "quotactl_syscall_var.h" 33f08c3bdfSopenharmony_ci 34f08c3bdfSopenharmony_ci#ifdef HAVE_XFS_XQM_H 35f08c3bdfSopenharmony_ci# include <xfs/xqm.h> 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_cistatic uint32_t test_id = 0xfffffffc; 38f08c3bdfSopenharmony_ci 39f08c3bdfSopenharmony_cistatic void verify_quota(void) 40f08c3bdfSopenharmony_ci{ 41f08c3bdfSopenharmony_ci struct fs_disk_quota res_dquota; 42f08c3bdfSopenharmony_ci 43f08c3bdfSopenharmony_ci res_dquota.d_id = 1; 44f08c3bdfSopenharmony_ci 45f08c3bdfSopenharmony_ci TEST(do_quotactl(fd, QCMD(Q_XGETNEXTQUOTA, USRQUOTA), tst_device->dev, 46f08c3bdfSopenharmony_ci test_id, (void *)&res_dquota)); 47f08c3bdfSopenharmony_ci if (TST_RET != -1) { 48f08c3bdfSopenharmony_ci tst_res(TFAIL, "quotactl() found the next active ID: %u unexpectedly", 49f08c3bdfSopenharmony_ci res_dquota.d_id); 50f08c3bdfSopenharmony_ci return; 51f08c3bdfSopenharmony_ci } 52f08c3bdfSopenharmony_ci 53f08c3bdfSopenharmony_ci if (TST_ERR == EINVAL) 54f08c3bdfSopenharmony_ci tst_brk(TCONF | TTERRNO, 55f08c3bdfSopenharmony_ci "Q_XGETNEXTQUOTA wasn't supported in quotactl()"); 56f08c3bdfSopenharmony_ci 57f08c3bdfSopenharmony_ci if (TST_ERR != ENOENT) 58f08c3bdfSopenharmony_ci tst_res(TFAIL | TTERRNO, "quotactl() failed unexpectedly with %s expected ENOENT", 59f08c3bdfSopenharmony_ci tst_strerrno(TST_ERR)); 60f08c3bdfSopenharmony_ci else 61f08c3bdfSopenharmony_ci tst_res(TPASS, "quotactl() failed with ENOENT as expected"); 62f08c3bdfSopenharmony_ci} 63f08c3bdfSopenharmony_ci 64f08c3bdfSopenharmony_cistatic void setup(void) 65f08c3bdfSopenharmony_ci{ 66f08c3bdfSopenharmony_ci quotactl_info(); 67f08c3bdfSopenharmony_ci fd = SAFE_OPEN(MNTPOINT, O_RDONLY); 68f08c3bdfSopenharmony_ci} 69f08c3bdfSopenharmony_ci 70f08c3bdfSopenharmony_cistatic void cleanup(void) 71f08c3bdfSopenharmony_ci{ 72f08c3bdfSopenharmony_ci if (fd > -1) 73f08c3bdfSopenharmony_ci SAFE_CLOSE(fd); 74f08c3bdfSopenharmony_ci} 75f08c3bdfSopenharmony_ci 76f08c3bdfSopenharmony_cistatic struct tst_test test = { 77f08c3bdfSopenharmony_ci .setup = setup, 78f08c3bdfSopenharmony_ci .cleanup = cleanup, 79f08c3bdfSopenharmony_ci .needs_root = 1, 80f08c3bdfSopenharmony_ci .needs_kconfigs = (const char *[]) { 81f08c3bdfSopenharmony_ci "CONFIG_XFS_QUOTA", 82f08c3bdfSopenharmony_ci NULL 83f08c3bdfSopenharmony_ci }, 84f08c3bdfSopenharmony_ci .test_all = verify_quota, 85f08c3bdfSopenharmony_ci .mount_device = 1, 86f08c3bdfSopenharmony_ci .dev_fs_type = "xfs", 87f08c3bdfSopenharmony_ci .mntpoint = MNTPOINT, 88f08c3bdfSopenharmony_ci .mnt_data = "usrquota", 89f08c3bdfSopenharmony_ci .test_variants = QUOTACTL_SYSCALL_VARIANTS, 90f08c3bdfSopenharmony_ci .tags = (const struct tst_tag[]) { 91f08c3bdfSopenharmony_ci {"linux-git", "657bdfb7f5e6"}, 92f08c3bdfSopenharmony_ci {} 93f08c3bdfSopenharmony_ci } 94f08c3bdfSopenharmony_ci}; 95f08c3bdfSopenharmony_ci 96f08c3bdfSopenharmony_ci#else 97f08c3bdfSopenharmony_ci TST_TEST_TCONF("System doesn't have <xfs/xqm.h>"); 98f08c3bdfSopenharmony_ci#endif 99