3 # Copyright (C) 2008 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 test_description='enforce limits on partition start sector and length'
20 # Need root privileges to use mount.
21 privileges_required_=1
26 ####################################################
27 # Create and mount a file system capable of dealing with >=2TB files.
28 # We must be able to create a file with an apparent length of 2TB or larger.
29 # It needn't be a large file system.
35 'create an XFS file system' \
37 dd if=/dev/zero of=$fs bs=1MB count=2 seek=20 &&
43 # Unmount upon interrupt, failure, etc., as well as upon normal completion.
44 cleanup_() { cd "$test_dir_" && umount "$mp" > /dev/null 2>&1; }
49 mount -o loop $fs "$mp" &&
59 # echo '********' $(echo $end_sector - $start_sector + 1 |bc)
60 dd if=/dev/zero of=$dev bs=1b count=2k seek=$end_sector 2> /dev/null &&
61 parted -s $dev mklabel $table_type &&
62 parted -s $dev mkpart p xfs ${start_sector}s ${end_sector}s
65 # Specify the starting sector number and length in sectors,
66 # rather than start and end.
67 do_mkpart_start_and_len()
71 end_sector=$(echo $start_sector + $len - 1|bc)
72 do_mkpart $start_sector $end_sector
75 for table_type in dvh; do
78 "$table_type: a partition length of 2^32-1 works." \
80 end=$(echo $n+2^32-2|bc) &&
86 'parted -s $dev unit s p > out 2>&1 &&
87 sed -n "/^ *1 *$n/s/ */ /gp" out|sed "s/ *\$//" > k && mv k out &&
88 echo " 1 ${n}s ${end}s 4294967295s primary" > exp &&
93 "$table_type: a partition length of exactly 2^32 sectors provokes failure." \
94 'do_mkpart $n $(echo $n+2^32-1|bc) > err 2>&1'
97 { echo "Error: partition length of $1 sectors exceeds the"\
98 "$table_type-partition-table-imposed maximum of 4294967295"; }
100 'check for new diagnostic' \
101 'bad_part_length 4294967296 > exp && diff -u err exp'
103 # FIXME: investigate this.
104 # Unexpectedly to me, both of these failed with this same diagnostic:
106 # Error: partition length of 4294967296 sectors exceeds the \
107 # DOS-partition-table-imposed maximum of 2^32-1" > exp &&
109 # I expected the one below to fail with a length of _4294967297_.
110 # Debugging, I see that _check_partition *does* detect this,
111 # but the diagnostic doesn't get displayed because of the wonders
112 # of parted's exception mechanism.
114 test_expect_failure \
115 "$table_type: a partition length of 2^32+1 sectors provokes failure." \
116 'do_mkpart $n $(echo $n+2^32|bc) > err 2>&1'
118 test_expect_success \
119 'check for new diagnostic' \
120 'bad_part_length 4294967297 > exp && diff -u err exp'
122 # =========================================================
123 # Now consider partition starting sector numbers.
125 { echo "Error: starting sector number, $1 exceeds the"\
126 "$table_type-partition-table-imposed maximum of 4294967295"; }
128 test_expect_success \
129 "$table_type: a partition start sector number of 2^32-1 works." \
130 'do_mkpart_start_and_len $(echo 2^32-1|bc) 1000'
132 # FIXME: this partition number 9 (not requested!) looks totally bogus
133 # FIXME: For now, we just expect what the code produces.
134 # FIXME: In the long run, figure out if it's sensible.
138 Sector size (logical/physical): 512B/512B
139 Partition Table: $table_type
141 Number Start End Size Type File system Name Flags
142 9 0s 4095s 4096s extended
143 1 4294967295s 4294968294s 1000s primary
147 test_expect_success \
149 'parted -s $dev unit s p > out 2>&1 &&
150 sed "s/Disk .*:/Disk:/;s/ *$//" out > k && mv k out &&
154 test_expect_failure \
155 "$table_type: a partition start sector number of 2^32 must fail." \
156 'do_mkpart_start_and_len $(echo 2^32|bc) 1000 > err 2>&1'
157 test_expect_success \
158 'check for new diagnostic' \
159 'bad_start_sector 4294967296 > exp && diff -u err exp'
161 test_expect_failure \
162 "$table_type: a partition start sector number of 2^32+1 must fail, too." \
163 'do_mkpart_start_and_len $(echo 2^32+1|bc) 1000 > err 2>&1'
164 test_expect_success \
165 'check for new diagnostic' \
166 'bad_start_sector 4294967297 > exp && diff -u err exp'