Project Number Date
test_Tails_ISO_stable 5619 01 May 2025, 08:54

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 49 1 1 0 0 51 5 1 6 11:0.181 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.
23.198
Scenario Erasure of memory freed by killed userspace processes
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Steps
Given I have started Tails from DVD without network and logged in 8.022
And I prepare Tails for memory erasure tests 0.484
When I start a process allocating 128 MiB of memory with a known pattern 1.194
Then patterns cover at least 128 MiB in the guest's memory 3.372

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

When I kill the allocating process 10.123
try_for() timeout expired (Timeout::Error)
./features/support/helpers/misc_helpers.rb:145:in `rescue in try_for'
./features/support/helpers/misc_helpers.rb:51:in `try_for'
./features/step_definitions/erase_memory.rb:105:in `/^I kill the allocating process$/'
features/erase_memory.feature:18:in `When I kill the allocating process'
Then I find very few patterns in the guest's memory after 5 seconds 0.000
After features/support/hooks.rb:330 5.074

SCENARIO FAILED: 'Erasure of memory freed by killed userspace processes' (at time 00:32:56)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5619/artifact/build-artifacts/00:32:56_Erasure_of_memory_freed_by_killed_userspace_processes.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5619/artifact/build-artifacts/00:32:56_Erasure_of_memory_freed_by_killed_userspace_processes.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5619/artifact/build-artifacts/00:32:56_Erasure_of_memory_freed_by_killed_userspace_processes.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5619/artifact/build-artifacts/00:32:56_Erasure_of_memory_freed_by_killed_userspace_processes.journal

After features/support/hooks.rb:100 0.000
24.493
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 7.980
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 3.150

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.632
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368

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

When I umount "/mnt" 0.549
Then I find very few patterns in the guest's memory after 3 seconds 6.383

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 0.723
After features/support/hooks.rb:100 0.000
47.142
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 7.881
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.077
Then I find very few patterns in the guest's memory 3.295

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.895
Then patterns cover at least 75% of the test FS size in the guest's memory 3.321

Pattern coverage: 88.294% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.101
Then I find very few patterns in the guest's memory after 3 seconds 6.499

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 0.330
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 6.465

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
1:16.340
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 8.003
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.025
Then I find very few patterns in the guest's memory 2.247

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.589
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.815
Then I find very few patterns in the guest's memory after 3 seconds 5.959

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 4.202
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.720

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.089
Then I find very few patterns in the guest's memory after 3 seconds 5.861

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 2.929
After features/support/hooks.rb:100 0.000
50.142
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 7.819
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 16.121
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.158
Then patterns cover at least 128 MiB in the guest's memory 2.859

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.739

Pattern coverage: 0.000% (0 MiB out of 856 MiB reference memory)

After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.000
7:18.864
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.261
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.850
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.264

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 3.540
After features/support/hooks.rb:100 0.012