Project Number Date
test_Tails_ISO_codespell 19 03 Jul 2025, 11:47

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 15:45.746 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.
31.077
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 9.581
And I prepare Tails for memory erasure tests 3.291
When I start a process allocating 128 MiB of memory with a known pattern 2.213
Then patterns cover at least 128 MiB in the guest's memory 4.072

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

When I kill the allocating process 0.607
Then I find very few patterns in the guest's memory after 5 seconds 11.311

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

After features/support/hooks.rb:330 1.981
After features/support/hooks.rb:100 0.000
32.866
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 10.911
And I prepare Tails for memory erasure tests 0.668
And I find very few patterns in the guest's memory 4.625

Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.040
Then patterns cover at least 99% of the test FS size in the guest's memory 7.012

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

When I umount "/mnt" 0.437
Then I find very few patterns in the guest's memory after 3 seconds 6.171

Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)

After features/support/hooks.rb:330 0.908
After features/support/hooks.rb:100 0.000
1:27.017
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 16.232
And I prepare Tails for memory erasure tests 0.558
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.256
Then I find very few patterns in the guest's memory 3.129

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

# write cache
When I fill the USB drive with a known pattern 2.671
Then patterns cover at least 75% of the test FS size in the guest's memory 12.226

Pattern coverage: 86.291% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 5.405
Then I find very few patterns in the guest's memory after 3 seconds 13.208

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

# read cache
When I mount the USB drive again 0.988
And I read the content of the test FS 0.659
Then patterns cover at least 99% of the test FS size in the guest's memory 2.905

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

When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 12.302

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

After features/support/hooks.rb:330 1.732
After features/support/hooks.rb:100 0.000
1:44.875
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 9.401
And I prepare Tails for memory erasure tests 0.564
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 55.828
Then I find very few patterns in the guest's memory 2.669

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.925
Then patterns cover at least 99% of the test FS size in the guest's memory 7.799

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

When I umount the USB drive 1.321
Then I find very few patterns in the guest's memory after 3 seconds 5.334

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# read cache
When I mount the USB drive again 5.630
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 7.702

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

When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.496

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:330 1.310
After features/support/hooks.rb:100 0.000
1:16.528
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 24.660
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 17.643
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.249
Then patterns cover at least 128 MiB in the guest's memory 10.219

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 21.248

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

After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.000
10:13.380
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 9:21.785
And I prepare Tails for memory erasure tests 0.518
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.902
When I trigger shutdown 0.185
Then I find very few patterns in the guest's memory after 20 seconds 21.988

Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)

After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.021