Project Number Date
test_Tails_ISO_improved-new-identity-scenario 12 11 May 2025, 13:32

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 11:28.886 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.
25.250
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 8.281
And I prepare Tails for memory erasure tests 0.550
When I start a process allocating 128 MiB of memory with a known pattern 2.432
Then patterns cover at least 128 MiB in the guest's memory 4.193

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

When I kill the allocating process 0.691
Then I find very few patterns in the guest's memory after 5 seconds 9.100

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

After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
27.000
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 8.725
And I prepare Tails for memory erasure tests 0.478
And I find very few patterns in the guest's memory 3.757

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.370
Then patterns cover at least 99% of the test FS size in the guest's memory 4.360

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

When I umount "/mnt" 0.525
Then I find very few patterns in the guest's memory after 3 seconds 6.782

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

After features/support/hooks.rb:330 0.727
After features/support/hooks.rb:100 0.000
53.785
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 8.328
And I prepare Tails for memory erasure tests 1.110
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.599
Then I find very few patterns in the guest's memory 4.161

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

# write cache
When I fill the USB drive with a known pattern 4.470
Then patterns cover at least 75% of the test FS size in the guest's memory 4.395

Pattern coverage: 90.443% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.889
Then I find very few patterns in the guest's memory after 3 seconds 7.056

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

# read cache
When I mount the USB drive again 0.493
And I read the content of the test FS 0.618
Then patterns cover at least 99% of the test FS size in the guest's memory 4.073

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

When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 6.948

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

After features/support/hooks.rb:330 1.267
After features/support/hooks.rb:100 0.000
1:21.766
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 8.662
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.518
Then I find very few patterns in the guest's memory 3.466

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

# write cache
When I fill the USB drive with a known pattern 2.918
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504

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

When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 6.245

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

# read cache
When I mount the USB drive again 4.650
And I read the content of the test FS 0.580
Then patterns cover at least 99% of the test FS size in the guest's memory 4.445

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

When I umount the USB drive 1.053
Then I find very few patterns in the guest's memory after 3 seconds 6.412

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

After features/support/hooks.rb:330 1.436
After features/support/hooks.rb:100 0.000
51.776
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 8.247
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the root filesystem 16.237
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.173
Then patterns cover at least 128 MiB in the guest's memory 3.349

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.278

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
7:29.306
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 6:41.572
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.079
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.201

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

After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.029