Project Number Date
test_Tails_ISO_stable 5070 04 Sep 2024, 18:25

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 11:39.345 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.
35.526
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 21.825
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.380
Then patterns cover at least 128 MiB in the guest's memory 3.323

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

When I kill the allocating process 1.585
Then I find very few patterns in the guest's memory after 3 seconds 5.979

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

After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
25.785
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.430
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.162

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.886
Then patterns cover at least 99% of the test FS size in the guest's memory 4.373

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

When I umount "/mnt" 0.725
Then I find very few patterns in the guest's memory after 3 seconds 6.781

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 2.516
After features/support/hooks.rb:100 0.000
50.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.586
And I prepare Tails for memory erasure tests 0.617
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.241
Then I find very few patterns in the guest's memory 2.949

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.876
Then patterns cover at least 75% of the test FS size in the guest's memory 3.635

Pattern coverage: 90.932% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.718
Then I find very few patterns in the guest's memory after 3 seconds 6.832

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 0.951
And I read the content of the test FS 0.689
Then patterns cover at least 99% of the test FS size in the guest's memory 4.028

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

When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 6.918

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 1.093
After features/support/hooks.rb:100 0.000
1:23.971
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.084
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.808
Then I find very few patterns in the guest's memory 2.862

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.054
Then patterns cover at least 99% of the test FS size in the guest's memory 5.060

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

When I umount the USB drive 0.910
Then I find very few patterns in the guest's memory after 3 seconds 9.757

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# read cache
When I mount the USB drive again 6.395
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 3.505

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory after 3 seconds 6.110

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:326 0.927
After features/support/hooks.rb:100 0.000
49.366
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.860
And I prepare Tails for memory erasure tests 0.579
When I fill a 128 MiB file with a known pattern on the root filesystem 13.896
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.224
Then patterns cover at least 128 MiB in the guest's memory 3.030

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.757

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
7:33.878
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 6:46.117
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.873
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.413

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.019