Project Number Date
test_Tails_ISO_stable 5755 02 Jul 2025, 14:45

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 44 1 6 0 0 51 5 1 6 28:39.017 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.
1:1.118
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 30.349
And I prepare Tails for memory erasure tests 6.696
When I start a process allocating 128 MiB of memory with a known pattern 1.970
Then patterns cover at least 128 MiB in the guest's memory 4.197

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

When I kill the allocating process 0.887
Then I find very few patterns in the guest's memory after 5 seconds 17.016

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

After features/support/hooks.rb:330 1.336
After features/support/hooks.rb:100 0.000
1:16.000
Scenario Erasure of tmpfs data on unmount
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.029
Steps
Given I have started Tails from DVD without network and logged in 1:16.000
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:22:in `Given I have started Tails from DVD without network and logged in'
And I prepare Tails for memory erasure tests 0.000
And I find very few patterns in the guest's memory 0.000
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount "/mnt" 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
After features/support/hooks.rb:330 5.431

SCENARIO FAILED: 'Erasure of tmpfs data on unmount' (at time 00:53:38)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5755/artifact/build-artifacts/00:53:38_Erasure_of_tmpfs_data_on_unmount.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5755/artifact/build-artifacts/00:53:38_Erasure_of_tmpfs_data_on_unmount.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5755/artifact/build-artifacts/00:53:38_Erasure_of_tmpfs_data_on_unmount.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5755/artifact/build-artifacts/00:53:38_Erasure_of_tmpfs_data_on_unmount.journal

After features/support/hooks.rb:100 0.000
2:27.761
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 43.701
And I prepare Tails for memory erasure tests 5.590
When I plug and mount a 128 MiB USB drive with a vfat filesystem 19.597
Then I find very few patterns in the guest's memory 9.470

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.026
Then patterns cover at least 75% of the test FS size in the guest's memory 14.882

Pattern coverage: 88.851% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.240
Then I find very few patterns in the guest's memory after 3 seconds 17.813

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# read cache
When I mount the USB drive again 1.129
And I read the content of the test FS 1.090
Then patterns cover at least 99% of the test FS size in the guest's memory 17.005

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

When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 12.279

Pattern coverage: 0.001% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 5.802
After features/support/hooks.rb:100 0.002
2:43.603
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 30.049
And I prepare Tails for memory erasure tests 4.048
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:0.270
Then I find very few patterns in the guest's memory 8.848

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

# write cache
When I fill the USB drive with a known pattern 3.029
Then patterns cover at least 99% of the test FS size in the guest's memory 13.745

Pattern coverage: 102.420% (93 MiB out of 91 MiB reference memory)

When I umount the USB drive 2.110
Then I find very few patterns in the guest's memory after 3 seconds 16.576

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

# read cache
When I mount the USB drive again 2.092
And I read the content of the test FS 0.637
Then patterns cover at least 99% of the test FS size in the guest's memory 3.156

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

When I umount the USB drive 1.176
Then I find very few patterns in the guest's memory after 3 seconds 17.862

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

After features/support/hooks.rb:330 1.822
After features/support/hooks.rb:100 0.002
1:20.343
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 31.304
And I prepare Tails for memory erasure tests 2.042
When I fill a 128 MiB file with a known pattern on the root filesystem 21.182
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.285
Then patterns cover at least 128 MiB in the guest's memory 2.484

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.025

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 4.735
After features/support/hooks.rb:100 0.000
19:50.190
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.020
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 18:39.852
And I prepare Tails for memory erasure tests 5.651
When I fill a 128 MiB file with a known pattern on the persistent filesystem 35.115
When I trigger shutdown 0.868
Then I find very few patterns in the guest's memory after 20 seconds 28.702

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.035