Project Number Date
test_Tails_ISO_devel 3882 24 Jun 2025, 12:43

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 40 2 9 0 0 51 4 2 6 22:19.767 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.
1:17.127
Scenario Erasure of memory freed by killed userspace processes
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Steps
Given I have started Tails from DVD without network and logged in 1:17.127
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\ from\ DVD\ without\ network\ and\ logged\ in$/'
features/erase_memory.feature:14:in `Given I have started Tails from DVD without network and logged in'
And I prepare Tails for memory erasure tests 0.000
When I start a process allocating 128 MiB of memory with a known pattern 0.000
Then patterns cover at least 128 MiB in the guest's memory 0.000
When I kill the allocating process 0.000
Then I find very few patterns in the guest's memory after 5 seconds 0.000
After features/support/hooks.rb:330 5.555

SCENARIO FAILED: 'Erasure of memory freed by killed userspace processes' (at time 00:45:17)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/00:45:17_Erasure_of_memory_freed_by_killed_userspace_processes.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/00:45:17_Erasure_of_memory_freed_by_killed_userspace_processes.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/00:45:17_Erasure_of_memory_freed_by_killed_userspace_processes.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/00:45:17_Erasure_of_memory_freed_by_killed_userspace_processes.journal

After features/support/hooks.rb:100 0.000
1:15.754
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 25.381
And I prepare Tails for memory erasure tests 5.122
And I find very few patterns in the guest's memory 8.955

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.689
Then patterns cover at least 99% of the test FS size in the guest's memory 14.800

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

When I umount "/mnt" 0.640
Then I find very few patterns in the guest's memory after 3 seconds 18.164

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

After features/support/hooks.rb:330 1.993
After features/support/hooks.rb:100 0.000
2:39.490
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 1:4.698
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 25.755
Then I find very few patterns in the guest's memory 9.337

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.722
Then patterns cover at least 75% of the test FS size in the guest's memory 14.839

Pattern coverage: 90.060% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.279
Then I find very few patterns in the guest's memory after 3 seconds 16.556

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 0.948
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.465

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

When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 17.360

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 1.247
After features/support/hooks.rb:100 0.000
2:18.755
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 15.390
And I prepare Tails for memory erasure tests 1.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 58.713
Then I find very few patterns in the guest's memory 4.267

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.676
Then patterns cover at least 99% of the test FS size in the guest's memory 15.155

Pattern coverage: 104.627% (95 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 18.513

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# read cache
When I mount the USB drive again 1.327
And I read the content of the test FS 0.694
Then patterns cover at least 99% of the test FS size in the guest's memory 4.331

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

When I umount the USB drive 1.070
Then I find very few patterns in the guest's memory after 3 seconds 14.277

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 1.227
After features/support/hooks.rb:100 0.001
1:23.230
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 29.506
And I prepare Tails for memory erasure tests 4.214
When I fill a 128 MiB file with a known pattern on the root filesystem 22.205
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.586
Then patterns cover at least 128 MiB in the guest's memory 3.005

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

When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.693

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 6.129
After features/support/hooks.rb:100 0.000
13:25.408
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 0.019
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 13:25.408
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:139: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 5.549

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:06:37)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/01:06:37_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/3882/artifact/build-artifacts/01:06:37_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3882/artifact/build-artifacts/01:06:37_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/3882/artifact/build-artifacts/01:06:37_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.021