Project Number Date
test_Tails_ISO_arti-1.4.3 9 15 May 2025, 01:37

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 11:15.498 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.
22.704
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 8.266
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 1.329
Then patterns cover at least 128 MiB in the guest's memory 3.353

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

When I kill the allocating process 0.706
Then I find very few patterns in the guest's memory after 5 seconds 8.595

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.755
After features/support/hooks.rb:100 0.000
25.036
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 8.507
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.639

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.625
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930

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

When I umount "/mnt" 0.536
Then I find very few patterns in the guest's memory after 3 seconds 6.360

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

After features/support/hooks.rb:330 0.737
After features/support/hooks.rb:100 0.000
48.769
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 8.127
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.160
Then I find very few patterns in the guest's memory 3.271

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

# write cache
When I fill the USB drive with a known pattern 2.243
Then patterns cover at least 75% of the test FS size in the guest's memory 4.162

Pattern coverage: 87.592% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 6.517

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

# read cache
When I mount the USB drive again 0.210
And I read the content of the test FS 2.215
Then patterns cover at least 99% of the test FS size in the guest's memory 3.553

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

When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 6.603

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

After features/support/hooks.rb:330 0.778
After features/support/hooks.rb:100 0.000
1:22.110
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 8.151
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.585
Then I find very few patterns in the guest's memory 2.975

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

# write cache
When I fill the USB drive with a known pattern 2.133
Then patterns cover at least 99% of the test FS size in the guest's memory 3.602

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

When I umount the USB drive 0.848
Then I find very few patterns in the guest's memory after 3 seconds 5.855

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

# read cache
When I mount the USB drive again 6.722
And I read the content of the test FS 0.904
Then patterns cover at least 99% of the test FS size in the guest's memory 3.378

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

When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 5.947

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

After features/support/hooks.rb:330 1.860
After features/support/hooks.rb:100 0.000
49.319
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 8.093
And I prepare Tails for memory erasure tests 0.609
When I fill a 128 MiB file with a known pattern on the root filesystem 14.633
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.261
Then patterns cover at least 128 MiB in the guest's memory 2.791

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 20.918

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.000
7:27.557
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 6:42.617
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.231
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.249

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

After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.013