Project Number Date
test_Tails_ISO_migrate-vms 1 07 Oct 2026, 00:25

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 6:24.389 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.
20.005
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.349
And I prepare Tails for memory erasure tests 0.346
When I start a process allocating 128 MiB of memory with a known pattern 2.309
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.033

Pattern coverage: 100.395% (127 MiB out of 127 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 7.715

Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)

After features/support/hooks.rb:339 0.720
After features/support/hooks.rb:108 0.000
20.965
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.361
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 2.846

Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.768
Then patterns cover at least 99% of the test FS size in the guest's memory 3.335

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

When I umount "/mnt" 0.413
Then I find very few patterns in the guest's memory after 3 seconds 5.725

Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)

After features/support/hooks.rb:339 0.844
After features/support/hooks.rb:108 0.000
39.374
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.549
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.446
Then I find very few patterns in the guest's memory 2.782

Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.700
Then patterns cover at least 75% of the test FS size in the guest's memory 3.160

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 6.135

Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)

# read cache
When I mount the USB drive again 0.191
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.033

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 7.211

Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)

After features/support/hooks.rb:339 0.815
After features/support/hooks.rb:108 0.000
1:17.909
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 10.654
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.134
Then I find very few patterns in the guest's memory 8.373

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.344
Then patterns cover at least 99% of the test FS size in the guest's memory 4.749

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

When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 7.491

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

# read cache
When I mount the USB drive again 3.647
And I read the content of the test FS 0.359
Then patterns cover at least 99% of the test FS size in the guest's memory 5.056

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

When I umount the USB drive 0.485
Then I find very few patterns in the guest's memory after 3 seconds 6.711

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

After features/support/hooks.rb:339 0.846
After features/support/hooks.rb:108 0.000
45.349
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.404
And I prepare Tails for memory erasure tests 0.291
When I fill a 128 MiB file with a known pattern on the root filesystem 12.801
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.523
Then patterns cover at least 128 MiB in the guest's memory 3.115

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

When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.208

Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)

After features/support/hooks.rb:339 3.698
After features/support/hooks.rb:108 0.000
3:0.784
Scenario Erasure of read and write disk caches of persistent data on shutdown
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.012
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:0.784
Known issue #20282: Error starting GDM with your graphics card (RuntimeError)
./features/step_definitions/common_steps.rb:450:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/snapshots.rb:206:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:203:in `each'
./features/step_definitions/snapshots.rb:203:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:190:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:226:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
features/erase_memory.feature:76: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:339 4.702

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:38:22)

Boot log: https://jenkins.tails.net/job/test_Tails_ISO_migrate-vms/1/artifact/build-artifacts/00:38:22_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.net/job/test_Tails_ISO_migrate-vms/1/artifact/build-artifacts/00:38:22_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.net/job/test_Tails_ISO_migrate-vms/1/artifact/build-artifacts/00:38:22_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.net/job/test_Tails_ISO_migrate-vms/1/artifact/build-artifacts/00:38:22_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:108 0.010