t_pr.c revision 1.13
1 /* $NetBSD: t_pr.c,v 1.13 2019/07/16 17:29:17 martin Exp $ */ 2 3 #include <sys/types.h> 4 #include <sys/mount.h> 5 6 #include <atf-c.h> 7 #include <err.h> 8 #include <errno.h> 9 #include <fcntl.h> 10 #include <stdio.h> 11 #include <unistd.h> 12 #include <string.h> 13 #include <stdlib.h> 14 15 #include <rump/rump.h> 16 #include <rump/rump_syscalls.h> 17 18 #include <miscfs/union/union.h> 19 20 #include "h_macros.h" 21 22 ATF_TC(multilayer); 23 ATF_TC_HEAD(multilayer, tc) 24 { 25 atf_tc_set_md_var(tc, "descr", "mount_union -b twice"); 26 } 27 28 ATF_TC_BODY(multilayer, tc) 29 { 30 struct union_args unionargs; 31 32 rump_init(); 33 34 if (rump_sys_mkdir("/Tunion", 0777) == -1) 35 atf_tc_fail_errno("mkdir mp1"); 36 if (rump_sys_mkdir("/Tunion2", 0777) == -1) 37 atf_tc_fail_errno("mkdir mp2"); 38 if (rump_sys_mkdir("/Tunion2/A", 0777) == -1) 39 atf_tc_fail_errno("mkdir A"); 40 if (rump_sys_mkdir("/Tunion2/B", 0777) == -1) 41 atf_tc_fail_errno("mkdir B"); 42 43 unionargs.target = __UNCONST("/Tunion2/A"); 44 unionargs.mntflags = UNMNT_BELOW; 45 46 if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0, 47 &unionargs, sizeof(unionargs)) == -1) 48 atf_tc_fail_errno("union mount"); 49 50 unionargs.target = __UNCONST("/Tunion2/B"); 51 unionargs.mntflags = UNMNT_BELOW; 52 53 rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs)); 54 } 55 56 ATF_TC(multilayer2); 57 ATF_TC_HEAD(multilayer2, tc) 58 { 59 atf_tc_set_md_var(tc, "descr", "mount_union twice then unmount"); 60 } 61 62 ATF_TC_BODY(multilayer2, tc) 63 { 64 struct union_args unionargs; 65 66 atf_tc_expect_signal(-1, "PR kern/2423"); 67 68 rump_init(); 69 70 if (rump_sys_mkdir("/Tunion", 0777) == -1) 71 atf_tc_fail_errno("mkdir mp1"); 72 if (rump_sys_mkdir("/Tunion2", 0777) == -1) 73 atf_tc_fail_errno("mkdir mp2"); 74 if (rump_sys_mkdir("/Tunion2/A", 0777) == -1) 75 atf_tc_fail_errno("mkdir A"); 76 if (rump_sys_mkdir("/Tunion2/B", 0777) == -1) 77 atf_tc_fail_errno("mkdir B"); 78 79 unionargs.target = __UNCONST("/Tunion2/A"); 80 unionargs.mntflags = UNMNT_ABOVE; 81 82 if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0, 83 &unionargs, sizeof(unionargs)) == -1) 84 atf_tc_fail_errno("union mount"); 85 if (rump_sys_mkdir("/Tunion2/A/A", 0777) == -1) 86 atf_tc_fail_errno("mkdir A/A"); 87 88 unionargs.target = __UNCONST("/Tunion2/A/A"); 89 unionargs.mntflags = UNMNT_ABOVE; 90 91 rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs)); 92 93 rump_sys_unmount("/Tunion/A", 0); 94 } 95 96 ATF_TC(cyclic); 97 ATF_TC_HEAD(cyclic, tc) 98 { 99 atf_tc_set_md_var(tc, "descr", "cyclic mount_union"); 100 } 101 102 ATF_TC_BODY(cyclic, tc) 103 { 104 struct union_args unionargs; 105 106 atf_tc_expect_signal(-1, "PR kern/3645"); 107 108 rump_init(); 109 110 if (rump_sys_mkdir("/Tunion", 0777) == -1) 111 atf_tc_fail_errno("mkdir mp1"); 112 if (rump_sys_mkdir("/Tunion/A", 0777) == -1) 113 atf_tc_fail_errno("mkdir mp2"); 114 115 unionargs.target = __UNCONST("/Tunion/A"); 116 unionargs.mntflags = UNMNT_ABOVE; 117 118 if (rump_sys_mount(MOUNT_UNION, "/Tunion/A", 0, 119 &unionargs, sizeof(unionargs)) == -1) 120 atf_tc_fail_errno("union mount"); 121 122 if (rump_sys_mkdir("/Tunion/A/A", 0777) == -1) 123 atf_tc_fail_errno("mkdir failed"); 124 } 125 126 ATF_TC(cyclic2); 127 ATF_TC_HEAD(cyclic2, tc) 128 { 129 atf_tc_set_md_var(tc, "descr", "cyclic mount_union"); 130 } 131 132 ATF_TC_BODY(cyclic2, tc) 133 { 134 struct union_args unionargs; 135 136 atf_tc_expect_signal(-1, "PR kern/4597"); 137 138 rump_init(); 139 140 if (rump_sys_mkdir("/Tunion", 0777) == -1) 141 atf_tc_fail_errno("mkdir mp1"); 142 if (rump_sys_mkdir("/Tunion/A", 0777) == -1) 143 atf_tc_fail_errno("mkdir mp2"); 144 if (rump_sys_mkdir("/Tunion/B", 0777) == -1) 145 atf_tc_fail_errno("mkdir mp3"); 146 147 unionargs.target = __UNCONST("/Tunion/A"); 148 unionargs.mntflags = UNMNT_ABOVE; 149 150 if (rump_sys_mount(MOUNT_UNION, "/Tunion/B", 0, 151 &unionargs, sizeof(unionargs)) == -1) 152 atf_tc_fail_errno("union mount"); 153 154 unionargs.target = __UNCONST("/Tunion/B"); 155 unionargs.mntflags = UNMNT_ABOVE; 156 157 if (rump_sys_mount(MOUNT_UNION, "/Tunion/A", 0, 158 &unionargs, sizeof(unionargs)) == -1) 159 atf_tc_fail_errno("union mount2"); 160 161 if (rump_sys_mkdir("/Tunion/A/A", 0777) == -1) 162 atf_tc_fail_errno("mkdir failed"); 163 } 164 165 ATF_TC(devnull1); 166 ATF_TC_HEAD(devnull1, tc) 167 { 168 atf_tc_set_md_var(tc, "descr", "mount_union -b and " 169 "'echo x > /un/null'"); 170 } 171 172 ATF_TC_BODY(devnull1, tc) 173 { 174 struct union_args unionargs; 175 int fd, res; 176 177 rump_init(); 178 179 if (rump_sys_mkdir("/mp", 0777) == -1) 180 atf_tc_fail_errno("mkdir mp"); 181 182 unionargs.target = __UNCONST("/dev"); 183 unionargs.mntflags = UNMNT_BELOW; 184 185 if (rump_sys_mount(MOUNT_UNION, "/mp", 0, 186 &unionargs, sizeof(unionargs)) == -1) 187 atf_tc_fail_errno("union mount"); 188 189 fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_TRUNC, 0600); 190 191 if (fd == -1) 192 atf_tc_fail_errno("open"); 193 194 res = rump_sys_write(fd, &fd, sizeof(fd)); 195 if (res != sizeof(fd)) 196 atf_tc_fail("write"); 197 } 198 199 ATF_TC(devnull2); 200 ATF_TC_HEAD(devnull2, tc) 201 { 202 atf_tc_set_md_var(tc, "descr", "mount_union -b and " 203 "'echo x >> /un/null'"); 204 } 205 206 ATF_TC_BODY(devnull2, tc) 207 { 208 struct union_args unionargs; 209 int fd, res; 210 211 rump_init(); 212 213 if (rump_sys_mkdir("/mp", 0777) == -1) 214 atf_tc_fail_errno("mkdir mp"); 215 216 unionargs.target = __UNCONST("/dev"); 217 unionargs.mntflags = UNMNT_BELOW; 218 219 if (rump_sys_mount(MOUNT_UNION, "/mp", 0, 220 &unionargs, sizeof(unionargs)) == -1) 221 atf_tc_fail_errno("union mount"); 222 223 fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_APPEND, 0600); 224 if (fd == -1) 225 atf_tc_fail_errno("open"); 226 227 res = rump_sys_write(fd, &fd, sizeof(fd)); 228 if (res != sizeof(fd)) 229 atf_tc_fail("write"); 230 } 231 232 ATF_TP_ADD_TCS(tp) 233 { 234 ATF_TP_ADD_TC(tp, multilayer); 235 ATF_TP_ADD_TC(tp, multilayer2); 236 ATF_TP_ADD_TC(tp, cyclic); 237 ATF_TP_ADD_TC(tp, cyclic2); 238 ATF_TP_ADD_TC(tp, devnull1); 239 ATF_TP_ADD_TC(tp, devnull2); 240 241 return atf_no_error(); 242 } 243
Indexes created Fri Oct 03 02:09:57 GMT 2025