Project Number Date
test_Tails_ISO_devel 4546 13 Aug 2026, 14:07

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 5:14.786 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
20.959
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 6.493
And I prepare Tails for memory erasure tests 0.349
When I start a process allocating 128 MiB of memory with a known pattern 2.264
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.724 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.233
Then I find very few patterns in the guest's memory after 5 seconds 7.894 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.754
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.576
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 6.429
And I prepare Tails for memory erasure tests 0.317
And I find very few patterns in the guest's memory 3.070 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.184 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.771 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.633
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.833
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 6.477
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.825
Then I find very few patterns in the guest's memory 2.742 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.562
Then patterns cover at least 75% of the test FS size in the guest's memory 3.043 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 5.777 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.175 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 5.874 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.910
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.927
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 6.533
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.606
Then I find very few patterns in the guest's memory 2.545 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.191
Then patterns cover at least 99% of the test FS size in the guest's memory 2.859 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 5.127
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 5.599 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.816
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.750
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 7.022
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the root filesystem 12.666
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.752
Then patterns cover at least 128 MiB in the guest's memory 2.228 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 3.799
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
2:4.739
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 2:4.739
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$/'
./features/step_definitions/common_steps.rb:238:in `/^I start Tails from (.+?) drive "(.+?)"( with network unplugged)?( and I login( with persistence enabled)?( with the changed persistence passphrase)?( (?:and|with) an administration password)?)?$/'
./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:190: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 5.243 
SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:34:36)
Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4546/artifact/build-artifacts/00:34:36_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/4546/artifact/build-artifacts/00:34:36_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png
Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4546/artifact/build-artifacts/00:34:36_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/4546/artifact/build-artifacts/00:34:36_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal
After features/support/hooks.rb:108 0.005