Project Number Date
test_Tails_ISO_21548-flatpak-install 14 22 May 2026, 14:43

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 7:5.125 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.
19.188
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.300
And I prepare Tails for memory erasure tests 0.363
When I start a process allocating 128 MiB of memory with a known pattern 1.139
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.130

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.223
Then I find very few patterns in the guest's memory after 5 seconds 8.030

Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)

After features/support/hooks.rb:335 0.749
After features/support/hooks.rb:104 0.000
19.731
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.005
Given I have started Tails from DVD without network and logged in 7.589
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 1.945

Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.623
Then patterns cover at least 99% of the test FS size in the guest's memory 2.214

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

When I umount "/mnt" 0.409
Then I find very few patterns in the guest's memory after 3 seconds 5.559

Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)

After features/support/hooks.rb:335 1.194
After features/support/hooks.rb:104 0.000
35.110
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.457
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.520
Then I find very few patterns in the guest's memory 2.072

Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.964
Then patterns cover at least 75% of the test FS size in the guest's memory 2.397

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.840
Then I find very few patterns in the guest's memory after 3 seconds 5.068

Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)

# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 2.222

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.370
Then I find very few patterns in the guest's memory after 3 seconds 5.114

Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)

After features/support/hooks.rb:335 1.035
After features/support/hooks.rb:104 0.005
55.648
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.010
Given I have started Tails from DVD without network and logged in 7.644
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.354
Then I find very few patterns in the guest's memory 1.877

Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.563
Then patterns cover at least 99% of the test FS size in the guest's memory 2.039

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

When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 4.871

Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)

# read cache
When I mount the USB drive again 3.521
And I read the content of the test FS 0.367
Then patterns cover at least 99% of the test FS size in the guest's memory 2.206

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

When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 4.798

Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)

After features/support/hooks.rb:335 0.898
After features/support/hooks.rb:104 0.000
58.164
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 7.110
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 26.267
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.094
Then patterns cover at least 128 MiB in the guest's memory 1.621

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

When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.577

Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)

After features/support/hooks.rb:335 3.522
After features/support/hooks.rb:104 0.000
3:57.282
Scenario Erasure of read and write disk caches of persistent data on shutdown
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:57.282
Feature 'Flatpak' is not active.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/usb.rb:793:in `block (2 levels) in <top (required)>'
./features/step_definitions/usb.rb:788:in `each'
./features/step_definitions/usb.rb:788:in `/^all tps features(| from the old Tails version)(| but the first one) are active$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
features/erase_memory.feature:76: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:335 4.890

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:29:06)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/14/artifact/build-artifacts/00:29:06_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_21548-flatpak-install/14/artifact/build-artifacts/00:29:06_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/14/artifact/build-artifacts/00:29:06_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/14/artifact/build-artifacts/00:29:06_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:104 0.013