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test: add coverage for #24177

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Original issue: https://bugzilla.redhat.com/show_bug.cgi?id=1985288
This commit is contained in:
Frantisek Sumsal 2023-02-22 16:43:42 +01:00 committed by Yu Watanabe
parent b12525416b
commit 6299b6e5e6
1 changed files with 37 additions and 1 deletions
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38
test/units/testsuite-64.sh
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@ -485,7 +485,7 @@ testcase_lvm_basic() {
lvm vgs
lvm vgchange -ay "$vgroup"
lvm lvcreate -y -L 4M "$vgroup" -n mypart1
lvm lvcreate -y -L 8M "$vgroup" -n mypart2
lvm lvcreate -y -L 32M "$vgroup" -n mypart2
lvm lvs
udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
@ -529,6 +529,42 @@ testcase_lvm_basic() {
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Do not "unready" suspended encrypted devices w/o superblock info
# See:
# - https://github.com/systemd/systemd/pull/24177
# - https://bugzilla.redhat.com/show_bug.cgi?id=1985288
dd if=/dev/urandom of=/etc/lvm_keyfile bs=64 count=1 iflag=fullblock
chmod 0600 /etc/lvm_keyfile
# Intentionally use weaker cipher-related settings, since we don't care
# about security here as it's a throwaway LUKS partition
cryptsetup luksFormat -q --use-urandom --pbkdf pbkdf2 --pbkdf-force-iterations 1000 \
"/dev/$vgroup/mypart2" /etc/lvm_keyfile
# Mount the LUKS partition & create a filesystem on it
mkdir -p /tmp/lvmluksmnt
cryptsetup open --key-file=/etc/lvm_keyfile "/dev/$vgroup/mypart2" "lvmluksmap"
udevadm wait --settle --timeout="$timeout" "/dev/mapper/lvmluksmap"
mkfs.ext4 -L lvmluksfs "/dev/mapper/lvmluksmap"
udevadm wait --settle --timeout="$timeout" "/dev/disk/by-label/lvmluksfs"
# Make systemd "interested" in the mount by adding it to /etc/fstab
echo "/dev/disk/by-label/lvmluksfs /tmp/lvmluksmnt ext4 defaults 0 2" >>/etc/fstab
systemctl daemon-reload
mount "/tmp/lvmluksmnt"
mountpoint "/tmp/lvmluksmnt"
# Temporarily suspend the LUKS device and trigger udev - basically what `cryptsetup resize`
# does but in a more deterministic way suitable for a test/reproducer
for _ in {0..5}; do
dmsetup suspend "/dev/mapper/lvmluksmap"
udevadm trigger -v --settle "/dev/mapper/lvmluksmap"
dmsetup resume "/dev/mapper/lvmluksmap"
# The mount should survive this sequence of events
mountpoint "/tmp/lvmluksmnt"
done
# Cleanup
umount "/tmp/lvmluksmnt"
cryptsetup close "/dev/mapper/lvmluksmap"
sed -i "/lvmluksfs/d" "/etc/fstab"
systemctl daemon-reload
# Disable the VG and check symlinks...
lvm vgchange -an "$vgroup"
udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup" "/dev/disk/by-label/mylvpart1"