Project Number Date
test_Tails_ISO_21548-flatpak-install 12 22 May 2026, 12:05

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 6:39.925 Failed
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.
17.650
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 6.577
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 1.233
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.108

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 5 seconds 7.045

Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)

After features/support/hooks.rb:335 0.761
After features/support/hooks.rb:104 0.000
17.959
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 6.731
And I prepare Tails for memory erasure tests 0.299
And I find very few patterns in the guest's memory 1.866

Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.620
Then patterns cover at least 99% of the test FS size in the guest's memory 2.242

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.337
Then I find very few patterns in the guest's memory after 3 seconds 4.860

Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)

After features/support/hooks.rb:335 0.856
After features/support/hooks.rb:104 0.000
32.377
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 6.763
And I prepare Tails for memory erasure tests 0.320
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.316
Then I find very few patterns in the guest's memory 2.081

Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.763
Then patterns cover at least 75% of the test FS size in the guest's memory 2.054

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.750
Then I find very few patterns in the guest's memory after 3 seconds 4.738

Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)

# read cache
When I mount the USB drive again 0.149
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.380
Then I find very few patterns in the guest's memory after 3 seconds 4.768

Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)

After features/support/hooks.rb:335 0.922
After features/support/hooks.rb:104 0.000
1:1.760
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 6.916
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.255
Then I find very few patterns in the guest's memory 2.054

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.437
Then patterns cover at least 99% of the test FS size in the guest's memory 2.068

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.618
Then I find very few patterns in the guest's memory after 3 seconds 4.661

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

# read cache
When I mount the USB drive again 3.808
And I read the content of the test FS 0.320
Then patterns cover at least 99% of the test FS size in the guest's memory 1.741

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 4.983

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

After features/support/hooks.rb:335 1.027
After features/support/hooks.rb:104 0.000
55.633
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 6.834
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 24.349
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.944
Then patterns cover at least 128 MiB in the guest's memory 1.517

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.541

Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)

After features/support/hooks.rb:335 3.400
After features/support/hooks.rb:104 0.000
3:34.544
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 3:34.544
Feature 'Flatpak' is not active.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/usb.rb:793:in `block (2 levels) in <top (required)>'
./features/step_definitions/usb.rb:788:in `each'
./features/step_definitions/usb.rb:788:in `/^all tps features(| from the old Tails version)(| but the first one) are active$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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 5.082

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:27:47)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/12/artifact/build-artifacts/00:27:47_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_21548-flatpak-install/12/artifact/build-artifacts/00:27:47_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/12/artifact/build-artifacts/00:27:47_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_21548-flatpak-install/12/artifact/build-artifacts/00:27:47_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:104 0.010