Project Number Date
test_Tails_ISO_test-suite-options 15 01 Jul 2025, 21:24

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 15:13.888 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.
33.496
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 8.377
And I prepare Tails for memory erasure tests 0.645
When I start a process allocating 128 MiB of memory with a known pattern 3.956
Then patterns cover at least 128 MiB in the guest's memory 8.038

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

When I kill the allocating process 0.785
Then I find very few patterns in the guest's memory after 5 seconds 11.692

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:330 3.655
After features/support/hooks.rb:100 0.000
38.318
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.837
And I prepare Tails for memory erasure tests 0.511
And I find very few patterns in the guest's memory 9.096

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.219
Then patterns cover at least 99% of the test FS size in the guest's memory 3.465

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

When I umount "/mnt" 0.410
Then I find very few patterns in the guest's memory after 3 seconds 12.776

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 0.991
After features/support/hooks.rb:100 0.000
1:11.146
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 9.327
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.829
Then I find very few patterns in the guest's memory 3.645

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.649
Then patterns cover at least 75% of the test FS size in the guest's memory 13.243

Pattern coverage: 88.309% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.043
Then I find very few patterns in the guest's memory after 3 seconds 10.336

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 0.452
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 5.327

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

When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 6.514

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 1.283
After features/support/hooks.rb:100 0.001
2:5.423
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.031
Given I have started Tails from DVD without network and logged in 14.031
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:10.374
Then I find very few patterns in the guest's memory 4.814

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.565
Then patterns cover at least 99% of the test FS size in the guest's memory 2.576

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

When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 9.671

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 6.488
And I read the content of the test FS 0.625
Then patterns cover at least 99% of the test FS size in the guest's memory 2.554

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

When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory after 3 seconds 10.961

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 2.948
After features/support/hooks.rb:100 0.001
1:2.895
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 9.215
And I prepare Tails for memory erasure tests 0.824
When I fill a 128 MiB file with a known pattern on the root filesystem 20.977
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.068
Then patterns cover at least 128 MiB in the guest's memory 8.121

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.675

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 3.483
After features/support/hooks.rb:100 0.000
9:42.607
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 8:56.477
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.260
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.380

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:330 6.174
After features/support/hooks.rb:100 0.072