Project Number Date
test_Tails_ISO_improved-new-identity-scenario 7 06 May 2025, 13:56

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 14:12.566 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.
35.863
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 9.256
And I prepare Tails for memory erasure tests 0.536
When I start a process allocating 128 MiB of memory with a known pattern 2.744
Then patterns cover at least 128 MiB in the guest's memory 9.516

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

When I kill the allocating process 0.854
Then I find very few patterns in the guest's memory after 5 seconds 12.955

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 1.262
After features/support/hooks.rb:100 0.000
31.259
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 10.677
And I prepare Tails for memory erasure tests 0.570
And I find very few patterns in the guest's memory 5.258

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.039
Then patterns cover at least 99% of the test FS size in the guest's memory 4.660

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

When I umount "/mnt" 0.696
Then I find very few patterns in the guest's memory after 3 seconds 7.356

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 0.906
After features/support/hooks.rb:100 0.000
58.400
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 9.802
And I prepare Tails for memory erasure tests 0.594
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.876
Then I find very few patterns in the guest's memory 4.540

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.487
Then patterns cover at least 75% of the test FS size in the guest's memory 4.516

Pattern coverage: 87.813% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.511
Then I find very few patterns in the guest's memory after 3 seconds 7.309

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 0.388
And I read the content of the test FS 2.028
Then patterns cover at least 99% of the test FS size in the guest's memory 4.568

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

When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 7.081

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 1.006
After features/support/hooks.rb:100 0.000
1:39.519
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.204
And I prepare Tails for memory erasure tests 0.605
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 46.427
Then I find very few patterns in the guest's memory 3.206

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

# write cache
When I fill the USB drive with a known pattern 1.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.746

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

When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 6.792

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

# read cache
When I mount the USB drive again 12.035
And I read the content of the test FS 2.420
Then patterns cover at least 99% of the test FS size in the guest's memory 4.208

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

When I umount the USB drive 0.849
Then I find very few patterns in the guest's memory after 3 seconds 6.511

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

After features/support/hooks.rb:330 1.585
After features/support/hooks.rb:100 0.001
56.158
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.326
And I prepare Tails for memory erasure tests 0.680
When I fill a 128 MiB file with a known pattern on the root filesystem 16.967
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.475
Then patterns cover at least 128 MiB in the guest's memory 3.440

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 21.245

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 3.587
After features/support/hooks.rb:100 0.000
9:31.366
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 8:40.105
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.420
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.372

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 3.715
After features/support/hooks.rb:100 0.013