Project Number Date
test_Tails_ISO_devel 3438 25 Jun 2024, 12:48

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 11:55.939 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.
25.984
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.353
And I prepare Tails for memory erasure tests 0.368
When I start a process allocating 128 MiB of memory with a known pattern 2.487
Then patterns cover at least 128 MiB in the guest's memory 3.820

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

When I kill the allocating process 7.067
Then I find very few patterns in the guest's memory 3.887

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

After features/support/hooks.rb:326 1.546
After features/support/hooks.rb:100 0.000
25.226
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.143
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 4.284

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.278
Then patterns cover at least 99% of the test FS size in the guest's memory 3.867

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

When I umount "/mnt" 0.804
Then I find very few patterns in the guest's memory 4.424

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:326 1.315
After features/support/hooks.rb:100 0.000
47.034
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.371
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.293
Then I find very few patterns in the guest's memory 4.334

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.033
Then patterns cover at least 86% of the test FS size in the guest's memory 3.542

Pattern coverage: 86.996% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.711
Then I find very few patterns in the guest's memory 4.198

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 0.261
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 4.211

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

When I umount the USB drive 1.481
Then I find very few patterns in the guest's memory 4.528

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 2.178
After features/support/hooks.rb:100 0.000
1:36.187
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.669
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.483
Then I find very few patterns in the guest's memory 3.699

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107

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

When I umount the USB drive 1.566
Then I find very few patterns in the guest's memory 3.667

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 26.491
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.611

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

When I umount the USB drive 1.109
Then I find very few patterns in the guest's memory 3.983

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.868
After features/support/hooks.rb:100 0.000
53.001
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.460
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 17.029
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.015
Then patterns cover at least 128 MiB in the guest's memory 3.318

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

When I trigger shutdown 0.013
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.728

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
7:48.503
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 7:4.880
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.861
When I trigger shutdown 0.011
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.278

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.013