Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 7 22 Jun 2025, 20:04

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 38 2 11 0 0 51 4 2 6 16:59.763 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.
37.084
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 8.432
And I prepare Tails for memory erasure tests 1.271
When I start a process allocating 128 MiB of memory with a known pattern 5.406
Then patterns cover at least 128 MiB in the guest's memory 7.524

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

When I kill the allocating process 0.272
Then I find very few patterns in the guest's memory after 5 seconds 14.176

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

After features/support/hooks.rb:330 1.288
After features/support/hooks.rb:100 0.000
37.078
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 8.914
And I prepare Tails for memory erasure tests 0.545
And I find very few patterns in the guest's memory 8.829

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.645

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

When I umount "/mnt" 0.479
Then I find very few patterns in the guest's memory after 3 seconds 12.100

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

After features/support/hooks.rb:330 1.069
After features/support/hooks.rb:100 0.000
1:3.618
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 10.375
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.768
Then I find very few patterns in the guest's memory 2.454

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.612
Then patterns cover at least 75% of the test FS size in the guest's memory 9.205

Pattern coverage: 87.632% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.100
Then I find very few patterns in the guest's memory after 3 seconds 5.509

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# read cache
When I mount the USB drive again 1.108
And I read the content of the test FS 0.750
Then patterns cover at least 99% of the test FS size in the guest's memory 3.073

Pattern coverage: 100.682% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.037
Then I find very few patterns in the guest's memory after 3 seconds 11.121

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:330 1.185
After features/support/hooks.rb:100 0.000
1:0.550
Scenario Erasure of read and write disk caches on unmount: LUKS-encrypted ext4
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Steps
Given I have started Tails from DVD without network and logged in 11.883
And I prepare Tails for memory erasure tests 1.462
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.194
Then I find very few patterns in the guest's memory 7.489

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.280
Then patterns cover at least 99% of the test FS size in the guest's memory 3.241
91.929% of the test FS size (91.490234375 MiB) has the pattern, but more than 99.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:54:in `Then patterns cover at least 99% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 91.929% (84 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
After features/support/hooks.rb:330 5.570

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: LUKS-encrypted ext4' (at time 00:37:00)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:37:00_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:37:00_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:37:00_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:37:00_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.journal

After features/support/hooks.rb:100 0.001
55.102
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 13.888
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 14.954
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.667
Then patterns cover at least 128 MiB in the guest's memory 2.416

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 20.704

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

After features/support/hooks.rb:330 3.797
After features/support/hooks.rb:100 0.000
12:46.328
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 0.002
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 12:46.328
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: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 5.643

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:50:51)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:50:51_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_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:50:51_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:50:51_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/7/artifact/build-artifacts/00:50:51_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.017