Project Number Date
test_Tails_ISO_improved-new-identity-scenario 1 30 Apr 2025, 17:18

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 13:12.988 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.
27.471
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.128
And I prepare Tails for memory erasure tests 0.602
When I start a process allocating 128 MiB of memory with a known pattern 3.442
Then patterns cover at least 128 MiB in the guest's memory 4.758

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

When I kill the allocating process 0.309
Then I find very few patterns in the guest's memory after 5 seconds 9.230

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 1.055
After features/support/hooks.rb:100 0.000
28.964
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 9.273
And I prepare Tails for memory erasure tests 0.724
And I find very few patterns in the guest's memory 4.384

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.372
Then patterns cover at least 99% of the test FS size in the guest's memory 4.714

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

When I umount "/mnt" 0.829
Then I find very few patterns in the guest's memory after 3 seconds 6.665

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

After features/support/hooks.rb:330 0.770
After features/support/hooks.rb:100 0.000
1:10.017
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 8.516
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.338
Then I find very few patterns in the guest's memory 8.816

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.762
Then patterns cover at least 75% of the test FS size in the guest's memory 9.851

Pattern coverage: 91.808% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.885
Then I find very few patterns in the guest's memory after 3 seconds 10.098

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 1.756
Then patterns cover at least 99% of the test FS size in the guest's memory 4.373

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

When I umount the USB drive 0.615
Then I find very few patterns in the guest's memory after 3 seconds 8.275

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 0.912
After features/support/hooks.rb:100 0.000
1:31.251
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 8.742
And I prepare Tails for memory erasure tests 0.535
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 45.340
Then I find very few patterns in the guest's memory 3.645

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.086
Then patterns cover at least 99% of the test FS size in the guest's memory 4.085

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

When I umount the USB drive 0.822
Then I find very few patterns in the guest's memory after 3 seconds 6.406

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 7.920
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 4.307

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

When I umount the USB drive 0.592
Then I find very few patterns in the guest's memory after 3 seconds 6.244

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 2.091
After features/support/hooks.rb:100 0.000
54.489
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 10.289
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the root filesystem 15.387
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.268
Then patterns cover at least 128 MiB in the guest's memory 4.067

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 21.007

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

After features/support/hooks.rb:330 3.612
After features/support/hooks.rb:100 0.000
8:40.793
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:53.304
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.668
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.324

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

After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.012