Adding upstream version 3.6.upstream/3.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/tests/t4100-dvh-partition-limits.sh b/tests/t4100-dvh-partition-limits.sh
new file mode 100755
index 0000000..fec7576
--- /dev/null
+++ b/tests/t4100-dvh-partition-limits.sh
@@ -0,0 +1,166 @@
+#!/bin/sh
+# enforce limits on partition start sector and length
+
+# Copyright (C) 2008-2014, 2019-2023 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+require_root_
+require_xfs_
+ss=$sector_size_
+
+# On a 32-bit system, we must skip this test when $ss >= 4096.
+# Otherwise, due to an inherent 32-bit-XFS limit, dd would fail to
+# create the file of size > 16TiB
+if test $(uname -m) != x86_64; then
+  test $ss -le 2048 || skip_ 'this test works only on a 64-bit system'
+fi
+
+####################################################
+# Create and mount a file system capable of dealing with >=2TB files.
+# We must be able to create a file with an apparent length of 2TB or larger.
+# It needn't be a large file system.
+fs=fs_file
+mp=`pwd`/mount-point
+n=4096
+
+# create an XFS file system
+mkfs.xfs -dfile,name=$fs,size=300m || fail=1
+mkdir "$mp" || fail=1
+
+# Unmount upon interrupt, failure, etc., as well as upon normal completion.
+cleanup_fn_() { cd "$test_dir_" && umount "$mp" > /dev/null 2>&1; }
+
+# mount it
+mount -o loop $fs "$mp" || fail=1
+cd "$mp" || fail=1
+
+dev=loop-file
+
+do_mkpart()
+{
+  set +x # Turn off tracing; otherwise, we pollute stderr.
+  start_sector=$1
+  end_sector=$2
+  # echo '********' $(echo $end_sector - $start_sector + 1 |bc)
+  dd if=/dev/zero of=$dev bs=$ss count=2k seek=$end_sector 2> /dev/null &&
+  parted -s $dev mklabel $table_type &&
+  parted -s $dev mkpart p xfs ${start_sector}s ${end_sector}s
+}
+
+# Specify the starting sector number and length in sectors,
+# rather than start and end.
+do_mkpart_start_and_len()
+{
+  set +x # Turn off tracing; otherwise, we pollute stderr.
+  start_sector=$1
+  len=$2
+  end_sector=$(echo $start_sector + $len - 1|bc)
+  do_mkpart $start_sector $end_sector
+}
+
+for table_type in dvh; do
+
+# a partition length of 2^32-1 works.
+end=$(echo $n+2^32-2|bc) || fail=1
+do_mkpart $n $end || fail=1
+
+# print the result
+parted -s $dev unit s p > out 2>&1 || fail=1
+sed -n "/^  *1  *$n/s/  */ /gp" out|sed "s/  *\$//" > k && mv k out || fail=1
+echo " 1 ${n}s ${end}s 4294967295s primary" > exp || fail=1
+compare exp out || fail=1
+
+# a partition length of exactly 2^32 sectors provokes failure.
+do_mkpart $n $(echo $n+2^32-1|bc) > err 2>&1
+test $? = 1 || fail=1
+
+bad_part_length()
+{ echo "Error: partition length of $1 sectors exceeds the"\
+  "$table_type-partition-table-imposed maximum of 4294967295"; }
+
+# check for new diagnostic
+bad_part_length 4294967296 > exp || fail=1
+compare exp err || fail=1
+
+# FIXME: investigate this.
+# Unexpectedly to me, both of these failed with this same diagnostic:
+#
+#   Error: partition length of 4294967296 sectors exceeds the \
+#   DOS-partition-table-imposed maximum of 2^32-1" > exp &&
+#
+# I expected the one below to fail with a length of _4294967297_.
+# Debugging, I see that _check_partition *does* detect this,
+# but the diagnostic doesn't get displayed because of the wonders
+# of parted's exception mechanism.
+
+# a partition length of 2^32+1 sectors must provoke failure.
+do_mkpart $n $(echo $n+2^32|bc) > err 2>&1
+test $? = 1 || fail=1
+
+# check for new diagnostic
+bad_part_length 4294967297 > exp || fail=1
+compare exp err || fail=1
+
+# =========================================================
+# Now consider partition starting sector numbers.
+bad_start_sector()
+{ echo "Error: starting sector number, $1 exceeds the"\
+  "$table_type-partition-table-imposed maximum of 4294967295"; }
+
+# a partition start sector number of 2^32-1 works.
+do_mkpart_start_and_len $(echo 2^32-1|bc) 1000 || fail=1
+
+# FIXME: this partition number 9 (not requested!) looks totally bogus
+# FIXME: For now, we just expect what the code produces.
+# FIXME: In the long run, figure out if it's sensible.
+cat > exp <<EOF
+Model:  (file)
+Disk $dev: 4294970342s
+Sector size (logical/physical): ${ss}B/${ss}B
+Partition Table: $table_type
+Disk Flags:
+
+Number  Start        End          Size   Type      File system  Name  Flags
+ 9      0s           4095s        4096s  extended
+ 1      4294967295s  4294968294s  1000s  primary
+
+EOF
+
+# print the result
+parted -s $dev unit s p > out 2>&1 || fail=1
+sed "s/^Disk .*\($dev: [0-9][0-9]*s\)$/Disk \1/;s/ *$//" out > k \
+    && mv k out || fail=1
+compare exp out || fail=1
+
+# a partition start sector number of 2^32 must fail
+do_mkpart_start_and_len $(echo 2^32|bc) 1000 > err 2>&1
+test $? = 1 || fail=1
+
+# check for new diagnostic
+bad_start_sector 4294967296 > exp || fail=1
+compare exp err || fail=1
+
+# a partition start sector number of 2^32+1 must fail, too.
+do_mkpart_start_and_len $(echo 2^32+1|bc) 1000 > err 2>&1
+test $? = 1 || fail=1
+
+# check for new diagnostic
+bad_start_sector 4294967297 > exp || fail=1
+compare exp err || fail=1
+
+done
+
+Exit $fail