Project Number Date
test_Tails_ISO_test-suite-tshark-leak-detection 6 17 Jun 2026, 12:44

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 6:20.894 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.
18.716
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 6.873
And I prepare Tails for memory erasure tests 0.527
When I start a process allocating 128 MiB of memory with a known pattern 2.279
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.154

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

When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 6.667

Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)

After features/support/hooks.rb:339 1.059
After features/support/hooks.rb:108 0.000
18.691
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 6.613
And I prepare Tails for memory erasure tests 0.484
And I find very few patterns in the guest's memory 2.010

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.820
Then patterns cover at least 99% of the test FS size in the guest's memory 2.485

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

When I umount "/mnt" 0.384
Then I find very few patterns in the guest's memory after 3 seconds 4.893

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

After features/support/hooks.rb:339 1.076
After features/support/hooks.rb:108 0.000
33.665
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 6.590
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.782
Then I find very few patterns in the guest's memory 2.010

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.916
Then patterns cover at least 75% of the test FS size in the guest's memory 2.010

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

When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 4.920

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.359

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

When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 4.986

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

After features/support/hooks.rb:339 0.719
After features/support/hooks.rb:108 0.001
59.007
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.851
And I prepare Tails for memory erasure tests 0.357
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.310
Then I find very few patterns in the guest's memory 1.758

Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.572
Then patterns cover at least 99% of the test FS size in the guest's memory 1.933

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

When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 4.551

Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)

# read cache
When I mount the USB drive again 3.576
And I read the content of the test FS 0.305
Then patterns cover at least 99% of the test FS size in the guest's memory 1.921

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

When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 4.928

Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)

After features/support/hooks.rb:339 0.813
After features/support/hooks.rb:108 0.000
58.452
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.746
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the root filesystem 26.770
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.148
Then patterns cover at least 128 MiB in the guest's memory 1.840

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 20.587

Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)

After features/support/hooks.rb:339 3.604
After features/support/hooks.rb:108 0.000
3:12.361
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 3:12.361
Known issue #20282: Error starting GDM with your graphics card (RuntimeError)
./features/step_definitions/common_steps.rb:450:in `/^the computer (?:re)?boots Tails$/'
./features/step_definitions/snapshots.rb:206:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:203:in `each'
./features/step_definitions/snapshots.rb:203:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:190:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:226:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
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 5.414

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:33:28)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_test-suite-tshark-leak-detection/6/artifact/build-artifacts/00:33:28_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_test-suite-tshark-leak-detection/6/artifact/build-artifacts/00:33:28_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_test-suite-tshark-leak-detection/6/artifact/build-artifacts/00:33:28_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_test-suite-tshark-leak-detection/6/artifact/build-artifacts/00:33:28_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:108 0.014