Project Number Date
test_Tails_ISO_improved-new-identity-scenario 17 16 May 2025, 13:05

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 10:30.492 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.
22.519
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 7.787
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 1.310
Then patterns cover at least 128 MiB in the guest's memory 3.842

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

When I kill the allocating process 1.036
Then I find very few patterns in the guest's memory after 5 seconds 8.119

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:330 0.749
After features/support/hooks.rb:100 0.000
23.168
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 7.830
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 3.072

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.665
Then patterns cover at least 99% of the test FS size in the guest's memory 3.479

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

When I umount "/mnt" 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.102

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 0.698
After features/support/hooks.rb:100 0.000
46.537
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 7.822
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.136
Then I find very few patterns in the guest's memory 3.266

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.389
Then patterns cover at least 75% of the test FS size in the guest's memory 3.672

Pattern coverage: 86.812% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 6.753

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 4.214

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

When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 6.779

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 0.728
After features/support/hooks.rb:100 0.000
1:10.524
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 7.860
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.380
Then I find very few patterns in the guest's memory 2.951

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

# write cache
When I fill the USB drive with a known pattern 1.580
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467

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

When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 5.498

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

# read cache
When I mount the USB drive again 3.478
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 2.905

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

When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 5.381

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

After features/support/hooks.rb:330 1.875
After features/support/hooks.rb:100 0.000
47.850
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 7.884
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 14.448
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.776
Then patterns cover at least 128 MiB in the guest's memory 2.557

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

When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.772

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.000
6:59.891
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 6:17.308
And I prepare Tails for memory erasure tests 0.626
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.812
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.130

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:330 3.485
After features/support/hooks.rb:100 0.011