Project Number Date
test_Tails_ISO_codespell 13 27 Jun 2025, 11:15

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 20:46.295 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.
32.602
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 8.423
And I prepare Tails for memory erasure tests 1.206
When I start a process allocating 128 MiB of memory with a known pattern 1.877
Then patterns cover at least 128 MiB in the guest's memory 7.665

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

When I kill the allocating process 0.971
Then I find very few patterns in the guest's memory after 5 seconds 12.457

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

After features/support/hooks.rb:330 1.920
After features/support/hooks.rb:100 0.000
32.773
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 10.296
And I prepare Tails for memory erasure tests 0.804
And I find very few patterns in the guest's memory 7.231

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.241
Then patterns cover at least 99% of the test FS size in the guest's memory 5.569

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

When I umount "/mnt" 0.344
Then I find very few patterns in the guest's memory after 3 seconds 6.286

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

After features/support/hooks.rb:330 2.159
After features/support/hooks.rb:100 0.000
1:16.896
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 13.764
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 19.138
Then I find very few patterns in the guest's memory 3.308

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

# write cache
When I fill the USB drive with a known pattern 5.427
Then patterns cover at least 75% of the test FS size in the guest's memory 8.095

Pattern coverage: 89.102% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.028
Then I find very few patterns in the guest's memory after 3 seconds 7.036

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

# read cache
When I mount the USB drive again 0.511
And I read the content of the test FS 1.279
Then patterns cover at least 99% of the test FS size in the guest's memory 9.779

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

When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 6.651

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

After features/support/hooks.rb:330 1.173
After features/support/hooks.rb:100 0.000
1:50.017
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 13.752
And I prepare Tails for memory erasure tests 0.652
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.766
Then I find very few patterns in the guest's memory 2.886

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 4.182

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

When I umount the USB drive 1.216
Then I find very few patterns in the guest's memory after 3 seconds 9.814

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# read cache
When I mount the USB drive again 4.398
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.025

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

When I umount the USB drive 0.632
Then I find very few patterns in the guest's memory after 3 seconds 10.679

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 1.491
After features/support/hooks.rb:100 0.000
1:1.155
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 8.565
And I prepare Tails for memory erasure tests 1.142
When I fill a 128 MiB file with a known pattern on the root filesystem 18.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.027
Then patterns cover at least 128 MiB in the guest's memory 8.428

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.771

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
15:32.850
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 14:39.673
And I prepare Tails for memory erasure tests 0.936
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.796
When I trigger shutdown 0.198
Then I find very few patterns in the guest's memory after 20 seconds 23.244

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.011