Project Number Date
test_Tails_ISO_devel 3908 15 Jul 2025, 22:54

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 14:3.495 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.
1:1.307
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 28.211
And I prepare Tails for memory erasure tests 2.690
When I start a process allocating 128 MiB of memory with a known pattern 2.636
Then patterns cover at least 128 MiB in the guest's memory 9.299

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

When I kill the allocating process 0.338
Then I find very few patterns in the guest's memory after 5 seconds 18.129

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

After features/support/hooks.rb:330 1.657
After features/support/hooks.rb:100 0.000
1:43.108
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 1:4.333
And I prepare Tails for memory erasure tests 5.133
And I find very few patterns in the guest's memory 9.611

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.237
Then patterns cover at least 99% of the test FS size in the guest's memory 14.030

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

When I umount "/mnt" 0.641
Then I find very few patterns in the guest's memory after 3 seconds 7.120

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:330 4.489
After features/support/hooks.rb:100 0.000
1:49.163
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.012
Given I have started Tails from DVD without network and logged in 17.043
And I prepare Tails for memory erasure tests 7.295
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.306
Then I find very few patterns in the guest's memory 10.011

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.496
Then patterns cover at least 75% of the test FS size in the guest's memory 13.845

Pattern coverage: 86.481% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.366
Then I find very few patterns in the guest's memory after 3 seconds 18.416

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 0.860
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 3.723

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

When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 16.481

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 1.105
After features/support/hooks.rb:100 0.000
2:58.846
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 30.634
And I prepare Tails for memory erasure tests 2.759
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:24.837
Then I find very few patterns in the guest's memory 2.902

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

# write cache
When I fill the USB drive with a known pattern 2.451
Then patterns cover at least 99% of the test FS size in the guest's memory 14.247

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

When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 5.947

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

# read cache
When I mount the USB drive again 13.476
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 2.858

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

When I umount the USB drive 0.786
Then I find very few patterns in the guest's memory after 3 seconds 16.783

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

After features/support/hooks.rb:330 1.967
After features/support/hooks.rb:100 0.002
1:22.994
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 33.698
And I prepare Tails for memory erasure tests 1.510
When I fill a 128 MiB file with a known pattern on the root filesystem 19.845
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.334
Then patterns cover at least 128 MiB in the guest's memory 4.186

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.403

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 3.899
After features/support/hooks.rb:100 0.000
5:8.075
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 0.013
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:8.075
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: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 5.482

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:09:10)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3908/artifact/build-artifacts/01:09:10_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/3908/artifact/build-artifacts/01:09:10_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3908/artifact/build-artifacts/01:09:10_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/3908/artifact/build-artifacts/01:09:10_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.007