Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 10 25 Jun 2025, 21:51

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 20:30.329 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.
1:0.634
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 28.392
And I prepare Tails for memory erasure tests 4.227
When I start a process allocating 128 MiB of memory with a known pattern 5.922
Then patterns cover at least 128 MiB in the guest's memory 4.288

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

When I kill the allocating process 0.540
Then I find very few patterns in the guest's memory after 5 seconds 17.264

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 1.327
After features/support/hooks.rb:100 0.000
1:29.201
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 44.616
And I prepare Tails for memory erasure tests 2.999
And I find very few patterns in the guest's memory 9.570

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.761
Then patterns cover at least 99% of the test FS size in the guest's memory 15.943

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

When I umount "/mnt" 1.283
Then I find very few patterns in the guest's memory after 3 seconds 13.025

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

After features/support/hooks.rb:330 5.721
After features/support/hooks.rb:100 0.000
1:43.343
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 10.987
And I prepare Tails for memory erasure tests 1.937
When I plug and mount a 128 MiB USB drive with a vfat filesystem 24.265
Then I find very few patterns in the guest's memory 6.991

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

# write cache
When I fill the USB drive with a known pattern 3.457
Then patterns cover at least 75% of the test FS size in the guest's memory 14.586

Pattern coverage: 86.772% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory after 3 seconds 16.145

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

# read cache
When I mount the USB drive again 1.450
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.701

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

When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 17.787

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

After features/support/hooks.rb:330 1.464
After features/support/hooks.rb:100 0.001
1:57.975
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 0.012
Steps
Given I have started Tails from DVD without network and logged in 24.810
And I prepare Tails for memory erasure tests 4.736
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:8.347
Then I find very few patterns in the guest's memory 4.717

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

# write cache
When I fill the USB drive with a known pattern 6.517
Then patterns cover at least 99% of the test FS size in the guest's memory 8.845
93.223% 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: 93.223% (85 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 7.073

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: LUKS-encrypted ext4' (at time 00:44:01)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/10/artifact/build-artifacts/00:44:01_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/10/artifact/build-artifacts/00:44:01_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/10/artifact/build-artifacts/00:44:01_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/10/artifact/build-artifacts/00:44:01_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.journal

After features/support/hooks.rb:100 0.008
1:16.212
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.046
Given I have started Tails from DVD without network and logged in 18.931
And I prepare Tails for memory erasure tests 3.182
When I fill a 128 MiB file with a known pattern on the root filesystem 26.751
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.658
Then patterns cover at least 128 MiB in the guest's memory 2.915

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.759

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

After features/support/hooks.rb:330 3.845
After features/support/hooks.rb:100 0.000
13:2.962
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 0.017
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 13:2.962
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 6.451

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:58:32)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21027-fix-interactive-debugging-context/10/artifact/build-artifacts/00:58:32_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/10/artifact/build-artifacts/00:58:32_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/10/artifact/build-artifacts/00:58:32_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/10/artifact/build-artifacts/00:58:32_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.012