Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 73 15 Oct 2024, 20:12

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 13:48.249 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.
26.007
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.677
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.561
Then patterns cover at least 128 MiB in the guest's memory 7.803

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

When I kill the allocating process 0.286
Then I find very few patterns in the guest's memory after 3 seconds 6.266

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 1.299
After features/support/hooks.rb:100 0.000
27.228
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.608
And I prepare Tails for memory erasure tests 0.485
And I find very few patterns in the guest's memory 3.965

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.009
Then patterns cover at least 99% of the test FS size in the guest's memory 4.421

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

When I umount "/mnt" 0.765
Then I find very few patterns in the guest's memory after 3 seconds 6.971

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 1.063
After features/support/hooks.rb:100 0.000
57.274
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.816
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.444
Then I find very few patterns in the guest's memory 4.307

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

# write cache
When I fill the USB drive with a known pattern 2.808
Then patterns cover at least 75% of the test FS size in the guest's memory 4.538

Pattern coverage: 89.625% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.897
Then I find very few patterns in the guest's memory after 3 seconds 7.168

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

# read cache
When I mount the USB drive again 0.293
And I read the content of the test FS 3.437
Then patterns cover at least 99% of the test FS size in the guest's memory 4.435

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

When I umount the USB drive 0.979
Then I find very few patterns in the guest's memory after 3 seconds 6.698

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

After features/support/hooks.rb:326 1.801
After features/support/hooks.rb:100 0.000
1:24.065
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.551
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.882
Then I find very few patterns in the guest's memory 3.500

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.114
Then patterns cover at least 99% of the test FS size in the guest's memory 3.846

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

When I umount the USB drive 2.654
Then I find very few patterns in the guest's memory after 3 seconds 6.638

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# read cache
When I mount the USB drive again 6.305
And I read the content of the test FS 3.303
Then patterns cover at least 99% of the test FS size in the guest's memory 4.219

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

When I umount the USB drive 1.015
Then I find very few patterns in the guest's memory after 3 seconds 6.531

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 0.913
After features/support/hooks.rb:100 0.000
53.353
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.213
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the root filesystem 17.659
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.943
Then patterns cover at least 128 MiB in the guest's memory 3.119

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.839

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
9:40.320
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:52.815
And I prepare Tails for memory erasure tests 0.516
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.430
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.538

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

After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.017