Project Number Date
test_Tails_ISO_improved-new-identity-scenario 4 03 May 2025, 12:58

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 10:56.619 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.
26.085
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 8.011
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 5.073
Then patterns cover at least 128 MiB in the guest's memory 3.179

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

When I kill the allocating process 0.913
Then I find very few patterns in the guest's memory after 5 seconds 8.518

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 0.721
After features/support/hooks.rb:100 0.000
24.951
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 8.025
And I prepare Tails for memory erasure tests 0.384
And I find very few patterns in the guest's memory 3.250

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.667
Then patterns cover at least 99% of the test FS size in the guest's memory 3.567

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

When I umount "/mnt" 0.465
Then I find very few patterns in the guest's memory after 3 seconds 7.588

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 0.666
After features/support/hooks.rb:100 0.000
46.455
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 7.931
And I prepare Tails for memory erasure tests 0.360
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.009
Then I find very few patterns in the guest's memory 3.224

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.339
Then patterns cover at least 75% of the test FS size in the guest's memory 3.510

Pattern coverage: 87.491% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.045
Then I find very few patterns in the guest's memory after 3 seconds 5.557

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.754

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

When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 7.310

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
1:11.195
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 7.886
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.480
Then I find very few patterns in the guest's memory 2.402

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.560
Then patterns cover at least 99% of the test FS size in the guest's memory 3.093

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

When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 5.978

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 3.415
And I read the content of the test FS 0.574
Then patterns cover at least 99% of the test FS size in the guest's memory 2.604

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

When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.695

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 1.303
After features/support/hooks.rb:100 0.000
48.788
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 8.036
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the root filesystem 15.438
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.772
Then patterns cover at least 128 MiB in the guest's memory 2.454

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 20.704

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.000
7:19.143
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 6:32.488
And I prepare Tails for memory erasure tests 1.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.204
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.113

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.011