Project Number Date
test_Tails_ISO_stable 4930 11 Jul 2024, 14:35

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:24.847 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.
23.543
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.057
And I prepare Tails for memory erasure tests 0.494
When I start a process allocating 128 MiB of memory with a known pattern 2.815
Then patterns cover at least 128 MiB in the guest's memory 4.028

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

When I kill the allocating process 2.833
Then I find very few patterns in the guest's memory 4.314

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
23.480
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 4.271

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 1.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.682

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

When I umount "/mnt" 0.985
Then I find very few patterns in the guest's memory 4.014

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

After features/support/hooks.rb:326 1.144
After features/support/hooks.rb:100 0.000
47.755
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.547
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.260
Then I find very few patterns in the guest's memory 4.670

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

# write cache
When I fill the USB drive with a known pattern 2.719
Then patterns cover at least 86% of the test FS size in the guest's memory 3.967

Pattern coverage: 86.288% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.517
Then I find very few patterns in the guest's memory 4.445

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

# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 0.998
Then patterns cover at least 99% of the test FS size in the guest's memory 3.435

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

When I umount the USB drive 2.446
Then I find very few patterns in the guest's memory 4.064

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

After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
1:9.913
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.250
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.185
Then I find very few patterns in the guest's memory 3.802

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 3.097

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

When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory 3.711

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 4.785
And I read the content of the test FS 0.663
Then patterns cover at least 99% of the test FS size in the guest's memory 3.619

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

When I umount the USB drive 0.747
Then I find very few patterns in the guest's memory 3.535

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
51.202
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.212
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 15.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.734
Then patterns cover at least 128 MiB in the guest's memory 3.689

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

When I trigger shutdown 0.014
And I wait 20 seconds 20.008

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.852

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

After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.000
7:48.951
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 7:3.419
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.904
When I trigger shutdown 0.011
And I wait 20 seconds 20.010

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.173

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.010