Project Number Date
test_Tails_ISO_stable 5733 24 Jun 2025, 14:51

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 13:28.647 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.
26.326
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 8.516
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 2.450
Then patterns cover at least 128 MiB in the guest's memory 5.251

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

When I kill the allocating process 1.224
Then I find very few patterns in the guest's memory after 5 seconds 8.439

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

After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
29.439
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 9.435
And I prepare Tails for memory erasure tests 1.041
And I find very few patterns in the guest's memory 5.389

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.915
Then patterns cover at least 99% of the test FS size in the guest's memory 3.427

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

When I umount "/mnt" 0.428
Then I find very few patterns in the guest's memory after 3 seconds 7.801

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 1.012
After features/support/hooks.rb:100 0.000
50.354
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 9.187
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.465
Then I find very few patterns in the guest's memory 3.763

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.456
Then patterns cover at least 75% of the test FS size in the guest's memory 3.956

Pattern coverage: 88.104% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.005
Then I find very few patterns in the guest's memory after 3 seconds 7.322

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 0.214
And I read the content of the test FS 0.687
Then patterns cover at least 99% of the test FS size in the guest's memory 4.246

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

When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 6.101

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 1.382
After features/support/hooks.rb:100 0.000
1:25.995
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 8.723
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.358
Then I find very few patterns in the guest's memory 3.604

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.736
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457

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

When I umount the USB drive 1.210
Then I find very few patterns in the guest's memory after 3 seconds 6.894

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 5.640
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.705

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 8.094

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 1.727
After features/support/hooks.rb:100 0.000
54.216
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 9.305
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the root filesystem 17.928
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.971
Then patterns cover at least 128 MiB in the guest's memory 3.383

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 21.034

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

After features/support/hooks.rb:330 3.819
After features/support/hooks.rb:100 0.000
9:22.314
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 0.004
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 9:22.314
Remote shell seems to be down (Timeout::Error)
./features/support/helpers/misc_helpers.rb:145:in `rescue in try_for'
./features/support/helpers/misc_helpers.rb:51:in `try_for'
./features/support/helpers/vm_helper.rb:548:in `wait_until_remote_shell_is_up'
./features/step_definitions/common_steps.rb:450:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:137:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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 10.695

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:54:09)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5733/artifact/build-artifacts/01:54:09_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5733/artifact/build-artifacts/01:54:09_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5733/artifact/build-artifacts/01:54:09_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.018