Project Number Date
test_Tails_ISO_devel 3903 08 Jul 2025, 18:12

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 46 1 4 0 0 51 5 1 6 21:13.403 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.
1:0.012
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 26.892
And I prepare Tails for memory erasure tests 3.413
When I start a process allocating 128 MiB of memory with a known pattern 6.141
Then patterns cover at least 128 MiB in the guest's memory 5.715

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

When I kill the allocating process 0.667
Then I find very few patterns in the guest's memory after 5 seconds 17.181

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.021
After features/support/hooks.rb:100 0.000
1:3.970
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 25.377
And I prepare Tails for memory erasure tests 4.085
And I find very few patterns in the guest's memory 9.857

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.504
Then patterns cover at least 99% of the test FS size in the guest's memory 13.874

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

When I umount "/mnt" 0.671
Then I find very few patterns in the guest's memory after 3 seconds 7.599

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 6.008
After features/support/hooks.rb:100 0.000
1:48.881
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.047
Given I have started Tails from DVD without network and logged in 20.663
And I prepare Tails for memory erasure tests 5.213
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.018
Then I find very few patterns in the guest's memory 6.930

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.690
Then patterns cover at least 75% of the test FS size in the guest's memory 15.467

Pattern coverage: 92.215% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 16.585

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 0.445
And I read the content of the test FS 0.683
Then patterns cover at least 99% of the test FS size in the guest's memory 4.318

Pattern coverage: 100.682% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.063
Then I find very few patterns in the guest's memory after 3 seconds 15.772

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 1.582
After features/support/hooks.rb:100 0.000
3:10.922
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 27.190
And I prepare Tails for memory erasure tests 1.772
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:32.523
Then I find very few patterns in the guest's memory 13.795

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.486
Then patterns cover at least 99% of the test FS size in the guest's memory 4.511

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 14.502

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 5.877
And I read the content of the test FS 1.065
Then patterns cover at least 99% of the test FS size in the guest's memory 12.833

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 12.995

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 4.872
After features/support/hooks.rb:100 0.000
1:45.685
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 55.077
And I prepare Tails for memory erasure tests 4.346
When I fill a 128 MiB file with a known pattern on the root filesystem 19.188
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.786
Then patterns cover at least 128 MiB in the guest's memory 3.189

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

When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.075

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 5.251
After features/support/hooks.rb:100 0.000
12:23.931
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 0.026
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 12:23.931
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 6.310

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:12:11)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3903/artifact/build-artifacts/01:12:11_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_devel/3903/artifact/build-artifacts/01:12:11_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3903/artifact/build-artifacts/01:12:11_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3903/artifact/build-artifacts/01:12:11_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.008