Project Number Date
test_Tails_ISO_improved-new-identity-scenario 8 07 May 2025, 13:23

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 11:5.034 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.
23.432
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 7.928
And I prepare Tails for memory erasure tests 0.529
When I start a process allocating 128 MiB of memory with a known pattern 2.310
Then patterns cover at least 128 MiB in the guest's memory 3.503

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

When I kill the allocating process 0.941
Then I find very few patterns in the guest's memory after 5 seconds 8.218

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 1.013
After features/support/hooks.rb:100 0.000
24.600
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 8.310
And I prepare Tails for memory erasure tests 0.657
And I find very few patterns in the guest's memory 3.415

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.718
Then patterns cover at least 99% of the test FS size in the guest's memory 3.690

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

When I umount "/mnt" 0.645
Then I find very few patterns in the guest's memory after 3 seconds 6.161

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

After features/support/hooks.rb:330 0.706
After features/support/hooks.rb:100 0.000
46.914
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 8.086
And I prepare Tails for memory erasure tests 0.602
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.172
Then I find very few patterns in the guest's memory 3.277

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.590
Then patterns cover at least 75% of the test FS size in the guest's memory 3.750

Pattern coverage: 88.373% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.456
Then I find very few patterns in the guest's memory after 3 seconds 6.082

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.373

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

When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.280

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 0.706
After features/support/hooks.rb:100 0.000
1:18.734
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 8.160
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.838
Then I find very few patterns in the guest's memory 2.553

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

# write cache
When I fill the USB drive with a known pattern 1.639
Then patterns cover at least 99% of the test FS size in the guest's memory 2.842

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

When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 5.525

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

# read cache
When I mount the USB drive again 4.215
And I read the content of the test FS 0.420
Then patterns cover at least 99% of the test FS size in the guest's memory 2.976

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

When I umount the USB drive 0.556
Then I find very few patterns in the guest's memory after 3 seconds 5.716

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

After features/support/hooks.rb:330 0.789
After features/support/hooks.rb:100 0.000
49.566
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 8.054
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the root filesystem 15.905
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.919
Then patterns cover at least 128 MiB in the guest's memory 2.441

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 20.758

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 3.461
After features/support/hooks.rb:100 0.000
7:21.785
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 6:35.979
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 23.784
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.519

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

After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.012