Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 9 24 Jun 2025, 22:29

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 38 2 11 0 0 51 4 2 6 13:29.772 Failed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
57.748
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 24.270
And I prepare Tails for memory erasure tests 3.000
When I start a process allocating 128 MiB of memory with a known pattern 4.719
Then patterns cover at least 128 MiB in the guest's memory 6.150

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.402
Then I find very few patterns in the guest's memory after 5 seconds 19.205

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 1.468
After features/support/hooks.rb:100 0.000
1:23.331
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 45.609
And I prepare Tails for memory erasure tests 3.136
And I find very few patterns in the guest's memory 9.761

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 14.562

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 1.658
Then I find very few patterns in the guest's memory after 3 seconds 6.551

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 3.109
After features/support/hooks.rb:100 0.000
1:52.460
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.173
Given I have started Tails from DVD without network and logged in 21.420
And I prepare Tails for memory erasure tests 5.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.063
Then I find very few patterns in the guest's memory 9.690

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.184
Then patterns cover at least 75% of the test FS size in the guest's memory 14.150

Pattern coverage: 88.364% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.162
Then I find very few patterns in the guest's memory after 3 seconds 17.732

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 1.100
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 5.528

Pattern coverage: 100.681% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 15.875

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 1.312
After features/support/hooks.rb:100 0.000
1:58.871
Scenario Erasure of read and write disk caches on unmount: LUKS-encrypted ext4
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Steps
Given I have started Tails from DVD without network and logged in 21.639
And I prepare Tails for memory erasure tests 0.533
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:14.283
Then I find very few patterns in the guest's memory 5.520

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.674
Then patterns cover at least 99% of the test FS size in the guest's memory 11.220
82.899% of the test FS size (91.490234375 MiB) has the pattern, but more than 99.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:54:in `Then patterns cover at least 99% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 82.899% (75 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
After features/support/hooks.rb:330 8.853

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: LUKS-encrypted ext4' (at time 01:02:03)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:02:03_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:02:03_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:02:03_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:02:03_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.journal

After features/support/hooks.rb:100 0.006
1:12.718
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.066
Given I have started Tails from DVD without network and logged in 16.144
And I prepare Tails for memory erasure tests 2.461
When I fill a 128 MiB file with a known pattern on the root filesystem 27.067
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.618
Then patterns cover at least 128 MiB in the guest's memory 2.734

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 21.665

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 5.726
After features/support/hooks.rb:100 0.000
6:4.641
Scenario Erasure of read and write disk caches of persistent data on shutdown
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.036
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:4.641
Failed to restore snapshot (RuntimeError)
./features/step_definitions/common_steps.rb:89:in `rescue in post_snapshot_restore_hook'
./features/step_definitions/common_steps.rb:72:in `post_snapshot_restore_hook'
./features/step_definitions/snapshots.rb:167:in `reach_checkpoint'
./features/step_definitions/common_steps.rb:95:in `rescue in post_snapshot_restore_hook'
./features/step_definitions/common_steps.rb:72:in `post_snapshot_restore_hook'
./features/step_definitions/snapshots.rb:167:in `reach_checkpoint'
./features/step_definitions/common_steps.rb:95:in `rescue in post_snapshot_restore_hook'
./features/step_definitions/common_steps.rb:72:in `post_snapshot_restore_hook'
./features/step_definitions/snapshots.rb:167:in `reach_checkpoint'
./features/step_definitions/common_steps.rb:95:in `rescue in post_snapshot_restore_hook'
./features/step_definitions/common_steps.rb:72:in `post_snapshot_restore_hook'
./features/step_definitions/snapshots.rb:167:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:137:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:137:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
features/erase_memory.feature:75:in `Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in'
And I prepare Tails for memory erasure tests 0.000
When I fill a 128 MiB file with a known pattern on the persistent filesystem 0.000
When I trigger shutdown 0.000
Then I find very few patterns in the guest's memory after 20 seconds 0.000
After features/support/hooks.rb:330 5.486

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:09:35)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:09:35_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:09:35_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:09:35_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/9/artifact/build-artifacts/01:09:35_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.007