Project Number Date
test_Tails_ISO_improved-new-identity-scenario 18 17 May 2025, 13:24

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 10:55.033 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.
23.372
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 8.345
And I prepare Tails for memory erasure tests 0.389
When I start a process allocating 128 MiB of memory with a known pattern 1.373
Then patterns cover at least 128 MiB in the guest's memory 3.884

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

When I kill the allocating process 0.871
Then I find very few patterns in the guest's memory after 5 seconds 8.508

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:330 0.700
After features/support/hooks.rb:100 0.000
24.884
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 8.024
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 3.254

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.925
Then patterns cover at least 99% of the test FS size in the guest's memory 3.539

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

When I umount "/mnt" 0.425
Then I find very few patterns in the guest's memory after 3 seconds 7.313

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
46.457
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 8.136
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.063
Then I find very few patterns in the guest's memory 3.111

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

# write cache
When I fill the USB drive with a known pattern 3.445
Then patterns cover at least 75% of the test FS size in the guest's memory 3.736

Pattern coverage: 85.296% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory after 3 seconds 6.006

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

# read cache
When I mount the USB drive again 0.306
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481

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

When I umount the USB drive 0.350
Then I find very few patterns in the guest's memory after 3 seconds 5.969

Pattern coverage: 0.001% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:330 0.822
After features/support/hooks.rb:100 0.000
1:9.865
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 8.284
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" 33.481
Then I find very few patterns in the guest's memory 2.728

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

# write cache
When I fill the USB drive with a known pattern 1.895
Then patterns cover at least 99% of the test FS size in the guest's memory 2.902

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

When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 5.701

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

# read cache
When I mount the USB drive again 3.801
And I read the content of the test FS 0.384
Then patterns cover at least 99% of the test FS size in the guest's memory 2.857

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

When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 5.815

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

After features/support/hooks.rb:330 1.423
After features/support/hooks.rb:100 0.000
52.833
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 8.000
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 18.974
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.978
Then patterns cover at least 128 MiB in the guest's memory 2.717

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.752

Pattern coverage: 0.000% (0 MiB out of 849 MiB reference memory)

After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.000
7:17.619
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 6:32.191
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.816
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.217

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.012