Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 8 26 Mar 2025, 21:14

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 11:42.609 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.
23.201
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.529
And I prepare Tails for memory erasure tests 0.567
When I start a process allocating 128 MiB of memory with a known pattern 1.227
Then patterns cover at least 128 MiB in the guest's memory 4.415

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

When I kill the allocating process 0.345
Then I find very few patterns in the guest's memory after 5 seconds 8.116

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 0.776
After features/support/hooks.rb:100 0.000
24.718
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.615
And I prepare Tails for memory erasure tests 0.766
And I find very few patterns in the guest's memory 3.176

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.785

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

When I umount "/mnt" 0.535
Then I find very few patterns in the guest's memory after 3 seconds 6.264

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 1.019
After features/support/hooks.rb:100 0.000
48.181
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.198
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.411
Then I find very few patterns in the guest's memory 3.521

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

# write cache
When I fill the USB drive with a known pattern 2.373
Then patterns cover at least 75% of the test FS size in the guest's memory 3.867

Pattern coverage: 86.438% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.480
Then I find very few patterns in the guest's memory after 3 seconds 6.562

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

# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 3.361

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

When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 6.658

Pattern coverage: 0.001% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 1.028
After features/support/hooks.rb:100 0.000
1:19.675
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.465
And I prepare Tails for memory erasure tests 0.495
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.105
Then I find very few patterns in the guest's memory 3.730

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.967
Then patterns cover at least 99% of the test FS size in the guest's memory 3.322

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

When I umount the USB drive 1.190
Then I find very few patterns in the guest's memory after 3 seconds 6.886

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# read cache
When I mount the USB drive again 3.988
And I read the content of the test FS 0.750
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290

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

When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 5.963

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:330 2.115
After features/support/hooks.rb:100 0.000
51.892
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.624
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 16.880
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.910
Then patterns cover at least 128 MiB in the guest's memory 3.235

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 20.807

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
7:54.939
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:7.458
And I prepare Tails for memory erasure tests 0.590
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.656
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.218

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.011