Project Number Date
test_Tails_ISO_devel 4500 19 Jul 2026, 12:10

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 7:0.337 Failed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
19.489
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.984
And I prepare Tails for memory erasure tests 0.387
When I start a process allocating 128 MiB of memory with a known pattern 2.262
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.111 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.929
Then I find very few patterns in the guest's memory after 5 seconds 6.814 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.781
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.952
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.779
And I prepare Tails for memory erasure tests 0.345
And I find very few patterns in the guest's memory 1.870 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.714
Then patterns cover at least 99% of the test FS size in the guest's memory 1.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory after 3 seconds 4.912 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.838
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.008
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.868
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.182
Then I find very few patterns in the guest's memory 1.915 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.818
Then patterns cover at least 75% of the test FS size in the guest's memory 2.007 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.856
Then I find very few patterns in the guest's memory after 3 seconds 4.873 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 2.109 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory after 3 seconds 4.899 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.770
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.953
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.627
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.281
Then I find very few patterns in the guest's memory 1.886 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.260
Then patterns cover at least 99% of the test FS size in the guest's memory 1.853 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 4.811 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 4.933
And I read the content of the test FS 0.396
Then patterns cover at least 99% of the test FS size in the guest's memory 1.924 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 4.708 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.221
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.581
And I prepare Tails for memory erasure tests 0.362
When I fill a 128 MiB file with a known pattern on the root filesystem 28.359
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.738
Then patterns cover at least 128 MiB in the guest's memory 1.645 
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 20.529 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 3.888
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
3:51.711
Scenario Erasure of read and write disk caches of persistent data on shutdown
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.711
can 
can not find any of the patterns ["TailsGreeter.png", "PlymouthGraphicsCardFailureMessage.png"] on the screen (FindFailed)
./features/support/helpers/screen.rb:248:in `rescue in wait_any'
./features/support/helpers/screen.rb:232:in `wait_any'
./features/step_definitions/common_steps.rb:446:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/snapshots.rb:206:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:203:in `each'
./features/step_definitions/snapshots.rb:203:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:190:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:226:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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:339 5.092 
SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:35:14)
Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4500/artifact/build-artifacts/00:35:14_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/4500/artifact/build-artifacts/00:35:14_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png
Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4500/artifact/build-artifacts/00:35:14_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/4500/artifact/build-artifacts/00:35:14_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal
After features/support/hooks.rb:108 0.010