Project Number Date
test_Tails_ISO_19139-arti-bridges 32 15 Dec 2024, 22:56

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 11:18.740 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.
22.411
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 2.458
Then patterns cover at least 128 MiB in the guest's memory 3.251

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

When I kill the allocating process 2.033
Then I find very few patterns in the guest's memory after 3 seconds 6.081

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 0.770
After features/support/hooks.rb:100 0.000
23.202
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.195
And I prepare Tails for memory erasure tests 0.547
And I find very few patterns in the guest's memory 2.850

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.918
Then patterns cover at least 99% of the test FS size in the guest's memory 3.036

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

When I umount "/mnt" 0.853
Then I find very few patterns in the guest's memory after 3 seconds 5.799

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
47.574
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.201
Then I find very few patterns in the guest's memory 3.331

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.091
Then patterns cover at least 75% of the test FS size in the guest's memory 3.369

Pattern coverage: 86.744% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.171
Then I find very few patterns in the guest's memory after 3 seconds 5.868

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.554
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.149

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

When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 6.930

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 1.463
After features/support/hooks.rb:100 0.000
1:14.764
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.459
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.219
Then I find very few patterns in the guest's memory 3.242

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

# write cache
When I fill the USB drive with a known pattern 1.874
Then patterns cover at least 99% of the test FS size in the guest's memory 3.492

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

When I umount the USB drive 1.090
Then I find very few patterns in the guest's memory after 3 seconds 6.290

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

# read cache
When I mount the USB drive again 5.766
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 3.519

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

When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.213

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

After features/support/hooks.rb:326 0.878
After features/support/hooks.rb:100 0.000
50.867
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.307
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the root filesystem 16.353
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.667
Then patterns cover at least 128 MiB in the guest's memory 3.177

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.792

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
7:39.919
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.825
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.301
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.295

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

After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.011