Project Number Date
test_Tails_ISO_devel 4431 04 Jun 2026, 15:57

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 4:17.219 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
17.560
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 6.595
And I prepare Tails for memory erasure tests 0.380
When I start a process allocating 128 MiB of memory with a known pattern 1.246
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.287 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.226
Then I find very few patterns in the guest's memory after 5 seconds 6.824 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:335 0.767
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.864
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.617
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 1.794 
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 1.757
Then patterns cover at least 99% of the test FS size in the guest's memory 2.089 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.350
Then I find very few patterns in the guest's memory after 3 seconds 4.862 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 0.968
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
34.251
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 6.682
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.501
Then I find very few patterns in the guest's memory 1.856 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.722
Then patterns cover at least 75% of the test FS size in the guest's memory 2.270 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 4.912 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 2.101 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.399
Then I find very few patterns in the guest's memory after 3 seconds 4.908 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:335 1.269
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.754
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 6.825
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.532
Then I find very few patterns in the guest's memory 1.872 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.387
Then patterns cover at least 99% of the test FS size in the guest's memory 1.945 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 4.702 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 3.888
And I read the content of the test FS 0.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.082 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 4.835 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 1.093
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
53.436
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 6.786
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the root filesystem 21.889
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.116
Then patterns cover at least 128 MiB in the guest's memory 1.695 
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 20.531 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:335 3.608
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:15.352
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 0.002
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 1:15.352
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:335 5.267 
SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:25:21)
Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4431/artifact/build-artifacts/00:25:21_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/4431/artifact/build-artifacts/00:25:21_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png
Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/4431/artifact/build-artifacts/00:25:21_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/4431/artifact/build-artifacts/00:25:21_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal
After features/support/hooks.rb:104 0.006