Project Number Date
test_Tails_ISO_19139-arti-bridges 7 20 Nov 2024, 22:07

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 11:36.130 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.
26.210
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.418
And I prepare Tails for memory erasure tests 0.488
When I start a process allocating 128 MiB of memory with a known pattern 4.467
Then patterns cover at least 128 MiB in the guest's memory 4.930

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

When I kill the allocating process 1.592
Then I find very few patterns in the guest's memory after 3 seconds 6.312

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
28.120
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.716
And I prepare Tails for memory erasure tests 0.678
And I find very few patterns in the guest's memory 5.034

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.754

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

When I umount "/mnt" 1.064
Then I find very few patterns in the guest's memory after 3 seconds 6.429

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

After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
47.353
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.453
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.304
Then I find very few patterns in the guest's memory 3.057

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.692
Then patterns cover at least 75% of the test FS size in the guest's memory 3.638

Pattern coverage: 89.809% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.558
Then I find very few patterns in the guest's memory after 3 seconds 6.249

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.487
Then patterns cover at least 99% of the test FS size in the guest's memory 4.058

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

When I umount the USB drive 0.736
Then I find very few patterns in the guest's memory after 3 seconds 6.399

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 0.905
After features/support/hooks.rb:100 0.000
1:18.918
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.558
Then I find very few patterns in the guest's memory 2.872

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.120
Then patterns cover at least 99% of the test FS size in the guest's memory 3.420

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

When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 8.162

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 5.881
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 4.798

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

When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory after 3 seconds 6.427

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.194
After features/support/hooks.rb:100 0.000
50.908
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.977
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 14.475
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.904
Then patterns cover at least 128 MiB in the guest's memory 3.231

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.885

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
7:44.619
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 6:56.650
And I prepare Tails for memory erasure tests 1.264
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.506
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.180

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.012