Project Number Date
test_Tails_ISO_stable 6287 11 Apr 2026, 11:27

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 3:53.972 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
17.271
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.530
And I prepare Tails for memory erasure tests 0.329
When I start a process allocating 128 MiB of memory with a known pattern 1.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.037 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 6.933 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.062
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 6.508
And I prepare Tails for memory erasure tests 0.335
And I find very few patterns in the guest's memory 1.790 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.331
Then patterns cover at least 99% of the test FS size in the guest's memory 2.038 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.303
Then I find very few patterns in the guest's memory after 3 seconds 4.754 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.106
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.549
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.350
Then I find very few patterns in the guest's memory 1.801 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.058
Then patterns cover at least 75% of the test FS size in the guest's memory 2.059 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.641
Then I find very few patterns in the guest's memory after 3 seconds 4.717 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.395
Then patterns cover at least 99% of the test FS size in the guest's memory 1.953 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.307
Then I find very few patterns in the guest's memory after 3 seconds 4.743 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:331 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.192
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 6.722
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.558
Then I find very few patterns in the guest's memory 1.615 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.127
Then patterns cover at least 99% of the test FS size in the guest's memory 1.840 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 4.611 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 3.762
And I read the content of the test FS 0.253
Then patterns cover at least 99% of the test FS size in the guest's memory 1.765 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 4.646 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.129
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.416
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 6.671
And I prepare Tails for memory erasure tests 0.356
When I fill a 128 MiB file with a known pattern on the root filesystem 12.501
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.809
Then patterns cover at least 128 MiB in the guest's memory 1.599 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.470 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.683
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.922
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 0.001
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 1:10.922
Known 
Known issue #20282: Error starting GDM with your graphics card (RuntimeError)
./features/step_definitions/common_steps.rb:448:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/common_steps.rb:235:in `/^I start Tails from (.+?) drive "(.+?)"( with network unplugged)?( and I login( with persistence enabled)?( with the changed persistence passphrase)?( (?:and|with) an administration password)?)?$/'
./features/step_definitions/snapshots.rb: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:137:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:137: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: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:331 5.099 
SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:25:03)
Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/6287/artifact/build-artifacts/00:25:03_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_stable/6287/artifact/build-artifacts/00:25:03_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png
Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/6287/artifact/build-artifacts/00:25:03_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv
Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/6287/artifact/build-artifacts/00:25:03_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal
After features/support/hooks.rb:100 0.006