Project Number Date
test_Tails_ISO_devel 3894 02 Jul 2025, 14:08

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 23:41.235 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.
35.125
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 15.580
And I prepare Tails for memory erasure tests 0.532
When I start a process allocating 128 MiB of memory with a known pattern 1.281
Then patterns cover at least 128 MiB in the guest's memory 4.622

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

When I kill the allocating process 1.080
Then I find very few patterns in the guest's memory after 5 seconds 12.028

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.273
After features/support/hooks.rb:100 0.000
38.150
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 12.792
And I prepare Tails for memory erasure tests 1.018
And I find very few patterns in the guest's memory 4.394

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.831
Then patterns cover at least 99% of the test FS size in the guest's memory 4.739

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

When I umount "/mnt" 0.570
Then I find very few patterns in the guest's memory after 3 seconds 12.805

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

After features/support/hooks.rb:330 0.952
After features/support/hooks.rb:100 0.000
1:14.456
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 11.667
And I prepare Tails for memory erasure tests 1.734
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.704
Then I find very few patterns in the guest's memory 12.184

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

# write cache
When I fill the USB drive with a known pattern 2.802
Then patterns cover at least 75% of the test FS size in the guest's memory 3.385

Pattern coverage: 88.875% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.129
Then I find very few patterns in the guest's memory after 3 seconds 13.144

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

# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 3.345

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

When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory after 3 seconds 12.004

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

After features/support/hooks.rb:330 2.190
After features/support/hooks.rb:100 0.000
1:43.679
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.019
Given I have started Tails from DVD without network and logged in 9.856
And I prepare Tails for memory erasure tests 2.308
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.881
Then I find very few patterns in the guest's memory 5.325

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.334
Then patterns cover at least 99% of the test FS size in the guest's memory 6.752

Pattern coverage: 101.549% (92 MiB out of 91 MiB reference memory)

When I umount the USB drive 2.746
Then I find very few patterns in the guest's memory after 3 seconds 9.317

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 1.208
And I read the content of the test FS 1.233
Then patterns cover at least 99% of the test FS size in the guest's memory 7.262

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

When I umount the USB drive 1.702
Then I find very few patterns in the guest's memory after 3 seconds 8.747

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 1.377
After features/support/hooks.rb:100 0.001
58.733
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 13.029
And I prepare Tails for memory erasure tests 1.169
When I fill a 128 MiB file with a known pattern on the root filesystem 18.431
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.790
Then patterns cover at least 128 MiB in the guest's memory 2.574

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.726

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.719
After features/support/hooks.rb:100 0.000
18:31.089
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 0.029
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 18:31.089
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 7.458

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 01:01:42)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3894/artifact/build-artifacts/01:01:42_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/3894/artifact/build-artifacts/01:01:42_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3894/artifact/build-artifacts/01:01:42_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/3894/artifact/build-artifacts/01:01:42_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.016