Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 69 29 Dec 2024, 20:59

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 12:1.587 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.
23.095
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.155
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.564
Then patterns cover at least 128 MiB in the guest's memory 4.153

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

When I kill the allocating process 0.851
Then I find very few patterns in the guest's memory after 3 seconds 6.970

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 3.730
After features/support/hooks.rb:100 0.000
25.717
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.182
And I prepare Tails for memory erasure tests 0.498
And I find very few patterns in the guest's memory 3.607

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 2.325
Then patterns cover at least 99% of the test FS size in the guest's memory 3.803

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

When I umount "/mnt" 0.785
Then I find very few patterns in the guest's memory after 3 seconds 6.514

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

After features/support/hooks.rb:326 3.174
After features/support/hooks.rb:100 0.000
53.668
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.371
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.490
Then I find very few patterns in the guest's memory 3.798

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.897
Then patterns cover at least 75% of the test FS size in the guest's memory 4.702

Pattern coverage: 90.283% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.978
Then I find very few patterns in the guest's memory after 3 seconds 6.483

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 1.139
And I read the content of the test FS 0.795
Then patterns cover at least 99% of the test FS size in the guest's memory 3.779

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

When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 6.738

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 1.192
After features/support/hooks.rb:100 0.000
1:17.474
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.384
And I prepare Tails for memory erasure tests 0.526
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.547
Then I find very few patterns in the guest's memory 3.051

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.413
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466

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

When I umount the USB drive 0.928
Then I find very few patterns in the guest's memory after 3 seconds 5.948

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# read cache
When I mount the USB drive again 5.587
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.324

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

When I umount the USB drive 0.700
Then I find very few patterns in the guest's memory after 3 seconds 5.950

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 1.078
After features/support/hooks.rb:100 0.000
51.899
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.367
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 16.296
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.461
Then patterns cover at least 128 MiB in the guest's memory 3.432

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 20.892

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.000
8:9.731
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 7:20.359
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.564
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.311

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

After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.016