Project Number Date
test_Tails_ISO_20267-webtunnel 2 09 Jul 2025, 09:45

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 15:54.643 Passed
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.
39.109
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 9.081
And I prepare Tails for memory erasure tests 0.508
When I start a process allocating 128 MiB of memory with a known pattern 1.328
Then patterns cover at least 128 MiB in the guest's memory 12.099

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

When I kill the allocating process 0.590
Then I find very few patterns in the guest's memory after 5 seconds 15.501

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:330 0.895
After features/support/hooks.rb:100 0.000
51.653
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 10.456
And I prepare Tails for memory erasure tests 0.791
And I find very few patterns in the guest's memory 12.158

Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.327
Then patterns cover at least 99% of the test FS size in the guest's memory 12.170

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

When I umount "/mnt" 0.397
Then I find very few patterns in the guest's memory after 3 seconds 13.351

Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)

After features/support/hooks.rb:330 1.046
After features/support/hooks.rb:100 0.000
1:42.018
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.062
Given I have started Tails from DVD without network and logged in 9.368
And I prepare Tails for memory erasure tests 0.520
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.510
Then I find very few patterns in the guest's memory 14.684

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.724
Then patterns cover at least 75% of the test FS size in the guest's memory 15.170

Pattern coverage: 85.915% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.116
Then I find very few patterns in the guest's memory after 3 seconds 14.329

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.579
Then patterns cover at least 99% of the test FS size in the guest's memory 13.836

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

When I umount the USB drive 0.302
Then I find very few patterns in the guest's memory after 3 seconds 17.628

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

After features/support/hooks.rb:330 0.862
After features/support/hooks.rb:100 0.000
2:54.032
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 8.510
And I prepare Tails for memory erasure tests 0.983
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.074
Then I find very few patterns in the guest's memory 24.150

Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.086
Then patterns cover at least 99% of the test FS size in the guest's memory 21.439

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

When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 22.434

Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)

# read cache
When I mount the USB drive again 3.742
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 30.748

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

When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 18.584

Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)

After features/support/hooks.rb:330 1.832
After features/support/hooks.rb:100 0.000
1:0.936
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 8.935
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the root filesystem 16.572
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.329
Then patterns cover at least 128 MiB in the guest's memory 11.174

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

When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 22.406

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.000
8:46.893
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:58.874
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.934
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 22.609

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

After features/support/hooks.rb:330 3.801
After features/support/hooks.rb:100 0.015