Project Number Date
test_Tails_ISO_stable 5129 01 Oct 2024, 08:35

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 11:25.708 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.
20.862
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.169
And I prepare Tails for memory erasure tests 0.569
When I start a process allocating 128 MiB of memory with a known pattern 2.393
Then patterns cover at least 128 MiB in the guest's memory 3.533

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

When I kill the allocating process 0.808
Then I find very few patterns in the guest's memory after 3 seconds 5.388

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

After features/support/hooks.rb:326 1.509
After features/support/hooks.rb:100 0.000
27.037
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.857
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.280

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.208

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

When I umount "/mnt" 0.885
Then I find very few patterns in the guest's memory after 3 seconds 5.738

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
47.757
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.609
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.322
Then I find very few patterns in the guest's memory 3.058

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

# write cache
When I fill the USB drive with a known pattern 4.126
Then patterns cover at least 75% of the test FS size in the guest's memory 3.547

Pattern coverage: 91.738% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.468
Then I find very few patterns in the guest's memory after 3 seconds 5.855

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

# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.785
Then patterns cover at least 99% of the test FS size in the guest's memory 3.432

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

When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.160

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

After features/support/hooks.rb:326 0.770
After features/support/hooks.rb:100 0.000
1:12.673
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.132
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.024
Then I find very few patterns in the guest's memory 2.520

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.759
Then patterns cover at least 99% of the test FS size in the guest's memory 2.499

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

When I umount the USB drive 1.511
Then I find very few patterns in the guest's memory after 3 seconds 5.401

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 4.669
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821

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

When I umount the USB drive 1.830
Then I find very few patterns in the guest's memory after 3 seconds 5.450

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
51.119
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.177
And I prepare Tails for memory erasure tests 0.622
When I fill a 128 MiB file with a known pattern on the root filesystem 16.799
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.942
Then patterns cover at least 128 MiB in the guest's memory 2.754

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.803

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

After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
7:46.258
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 7:1.908
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.640
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.216

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.014