Project Number Date
test_Tails_ISO_feature-arti 99 27 Jun 2025, 18:54

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 30:18.030 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.
23.272
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.556
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 2.299
Then patterns cover at least 128 MiB in the guest's memory 3.519

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

When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 5 seconds 8.196

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

After features/support/hooks.rb:330 0.784
After features/support/hooks.rb:100 0.000
23.775
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 8.443
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 2.500

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.732
Then patterns cover at least 99% of the test FS size in the guest's memory 3.062

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

When I umount "/mnt" 0.848
Then I find very few patterns in the guest's memory after 3 seconds 5.780

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 0.737
After features/support/hooks.rb:100 0.000
48.689
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 9.783
And I prepare Tails for memory erasure tests 0.664
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.323
Then I find very few patterns in the guest's memory 3.014

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.590
Then patterns cover at least 75% of the test FS size in the guest's memory 4.533

Pattern coverage: 91.260% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.088
Then I find very few patterns in the guest's memory after 3 seconds 6.060

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 2.847

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.361
Then I find very few patterns in the guest's memory after 3 seconds 6.589

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.871
After features/support/hooks.rb:100 0.001
1:19.306
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.502
Then I find very few patterns in the guest's memory 2.358

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

# write cache
When I fill the USB drive with a known pattern 2.155
Then patterns cover at least 99% of the test FS size in the guest's memory 2.763

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

When I umount the USB drive 0.849
Then I find very few patterns in the guest's memory after 3 seconds 5.516

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

# read cache
When I mount the USB drive again 5.168
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 2.580

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

When I umount the USB drive 1.273
Then I find very few patterns in the guest's memory after 3 seconds 6.778

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

After features/support/hooks.rb:330 1.849
After features/support/hooks.rb:100 0.000
50.296
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 8.928
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 15.730
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.139
Then patterns cover at least 128 MiB in the guest's memory 2.392

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.697

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
26:32.690
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 0.003
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 26:32.690
execution expired (RemoteShell::Timeout)
./features/support/helpers/remote_shell.rb:56:in `read'
./features/support/helpers/remote_shell.rb:56:in `block (3 levels) in communicate'
./features/support/helpers/remote_shell.rb:55:in `block (2 levels) in communicate'
./features/support/helpers/remote_shell.rb:42:in `loop'
./features/support/helpers/remote_shell.rb:42:in `block in communicate'
./features/support/helpers/remote_shell.rb:37:in `communicate'
./features/support/helpers/remote_shell.rb:174:in `execute'
./features/support/helpers/remote_shell.rb:185:in `initialize'
./features/support/helpers/dogtail.rb:80:in `new'
./features/support/helpers/dogtail.rb:80:in `run'
./features/support/helpers/dogtail.rb:70:in `initialize'
./features/step_definitions/common_steps.rb:730:in `new'
./features/step_definitions/common_steps.rb:730:in `/^all notifications have disappeared$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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 11.381

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:51:05)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_feature-arti/99/artifact/build-artifacts/01:51:05_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_feature-arti/99/artifact/build-artifacts/01:51:05_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_feature-arti/99/artifact/build-artifacts/01:51:05_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.012