Project Number Date
test_Tails_ISO_feature-arti 10 25 Nov 2024, 16:52

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 11:49.173 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.
24.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.638
And I prepare Tails for memory erasure tests 0.507
When I start a process allocating 128 MiB of memory with a known pattern 1.306
Then patterns cover at least 128 MiB in the guest's memory 7.428

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

When I kill the allocating process 0.448
Then I find very few patterns in the guest's memory after 3 seconds 6.486

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

After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
27.835
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.468
And I prepare Tails for memory erasure tests 0.405
And I find very few patterns in the guest's memory 4.388

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.107
Then patterns cover at least 99% of the test FS size in the guest's memory 5.217

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

When I umount "/mnt" 0.677
Then I find very few patterns in the guest's memory after 3 seconds 6.570

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

After features/support/hooks.rb:326 0.838
After features/support/hooks.rb:100 0.000
1:0.133
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.613
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.574
Then I find very few patterns in the guest's memory 5.525

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.520
Then patterns cover at least 75% of the test FS size in the guest's memory 3.799

Pattern coverage: 89.426% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.117
Then I find very few patterns in the guest's memory after 3 seconds 6.458

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 0.508
And I read the content of the test FS 4.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.889

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

When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory after 3 seconds 6.384

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
1:16.073
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.054
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.552
Then I find very few patterns in the guest's memory 3.438

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

# write cache
When I fill the USB drive with a known pattern 2.296
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437

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

When I umount the USB drive 0.900
Then I find very few patterns in the guest's memory after 3 seconds 7.176

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

# read cache
When I mount the USB drive again 4.562
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.978

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

When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 6.084

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

After features/support/hooks.rb:326 1.960
After features/support/hooks.rb:100 0.000
50.065
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.259
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 15.413
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.920
Then patterns cover at least 128 MiB in the guest's memory 3.158

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 20.843

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.000
7:50.248
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:5.694
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.904
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.180

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

After features/support/hooks.rb:326 3.586
After features/support/hooks.rb:100 0.053