Project Number Date
test_Tails_ISO_stable 6388 20 May 2026, 11:32

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 6:43.011 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
17.846
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 7.063
And I prepare Tails for memory erasure tests 0.523
When I start a process allocating 128 MiB of memory with a known pattern 1.201
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.066 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.180
Then I find very few patterns in the guest's memory after 5 seconds 6.812 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:335 0.911
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.708
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 6.820
And I prepare Tails for memory erasure tests 0.558
And I find very few patterns in the guest's memory 1.703 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.567
Then patterns cover at least 99% of the test FS size in the guest's memory 1.961 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.297
Then I find very few patterns in the guest's memory after 3 seconds 4.799 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:335 1.044
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.534
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 6.690
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.513
Then I find very few patterns in the guest's memory 1.787 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.448
Then patterns cover at least 75% of the test FS size in the guest's memory 2.027 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.752
Then I find very few patterns in the guest's memory after 3 seconds 5.082 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# read cache
When I mount the USB drive again 0.149
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.017 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.371
Then I find very few patterns in the guest's memory after 3 seconds 4.822 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:335 0.773
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.489
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 6.683
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.659
Then I find very few patterns in the guest's memory 1.811 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.472
Then patterns cover at least 99% of the test FS size in the guest's memory 1.804 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.556
Then I find very few patterns in the guest's memory after 3 seconds 4.676 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
# read cache
When I mount the USB drive again 3.747
And I read the content of the test FS 0.287
Then patterns cover at least 99% of the test FS size in the guest's memory 1.934 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 4.819 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
After features/support/hooks.rb:335 0.816
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.828
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 6.697
And I prepare Tails for memory erasure tests 0.325
When I fill a 128 MiB file with a known pattern on the root filesystem 21.163
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.901
Then patterns cover at least 128 MiB in the guest's memory 2.049 
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 20.685 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:335 3.768
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
3:43.603
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 3:43.603
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:444:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:137:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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 5.193 
SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:27:26)
Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/6388/artifact/build-artifacts/00:27:26_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/6388/artifact/build-artifacts/00:27:26_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png
Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/6388/artifact/build-artifacts/00:27:26_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/6388/artifact/build-artifacts/00:27:26_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal
After features/support/hooks.rb:104 0.009