Project Number Date
test_Tails_ISO_stable 5730 23 Jun 2025, 11:42

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 21:34.404 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.
31.077
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 10.041
And I prepare Tails for memory erasure tests 0.817
When I start a process allocating 128 MiB of memory with a known pattern 3.832
Then patterns cover at least 128 MiB in the guest's memory 7.157

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

When I kill the allocating process 1.280
Then I find very few patterns in the guest's memory after 5 seconds 7.948

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

After features/support/hooks.rb:330 1.110
After features/support/hooks.rb:100 0.000
32.066
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 11.851
And I prepare Tails for memory erasure tests 0.615
And I find very few patterns in the guest's memory 3.551

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.952
Then patterns cover at least 99% of the test FS size in the guest's memory 4.152

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

When I umount "/mnt" 0.510
Then I find very few patterns in the guest's memory after 3 seconds 9.431

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

After features/support/hooks.rb:330 0.893
After features/support/hooks.rb:100 0.000
1:2.266
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 9.269
And I prepare Tails for memory erasure tests 0.769
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.810
Then I find very few patterns in the guest's memory 3.718

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.178
Then patterns cover at least 75% of the test FS size in the guest's memory 6.695

Pattern coverage: 87.788% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.280
Then I find very few patterns in the guest's memory after 3 seconds 5.919

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.817
Then patterns cover at least 99% of the test FS size in the guest's memory 7.082

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

When I umount the USB drive 1.107
Then I find very few patterns in the guest's memory after 3 seconds 6.344

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 1.239
After features/support/hooks.rb:100 0.000
1:43.972
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 10.842
And I prepare Tails for memory erasure tests 0.589
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 49.508
Then I find very few patterns in the guest's memory 2.713

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.814
Then patterns cover at least 99% of the test FS size in the guest's memory 8.364

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

When I umount the USB drive 1.452
Then I find very few patterns in the guest's memory after 3 seconds 5.942

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

# read cache
When I mount the USB drive again 8.963
And I read the content of the test FS 1.150
Then patterns cover at least 99% of the test FS size in the guest's memory 4.744

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

When I umount the USB drive 0.832
Then I find very few patterns in the guest's memory after 3 seconds 6.055

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:330 1.838
After features/support/hooks.rb:100 0.000
1:4.527
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 12.130
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the root filesystem 23.490
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.643
Then patterns cover at least 128 MiB in the guest's memory 3.786

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

When I trigger shutdown 0.034
Then I find very few patterns in the guest's memory after 20 seconds 21.876

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:330 3.921
After features/support/hooks.rb:100 0.000
16:40.493
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 16:40.493
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: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 7.019

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:53:34)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5730/artifact/build-artifacts/00:53:34_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_stable/5730/artifact/build-artifacts/00:53:34_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5730/artifact/build-artifacts/00:53:34_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/5730/artifact/build-artifacts/00:53:34_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.020