Project Number Date
test_Tails_ISO_feature-arti 70 26 May 2025, 16:54

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 11:5.521 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.
22.416
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 8.043
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 1.388
Then patterns cover at least 128 MiB in the guest's memory 3.294

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

When I kill the allocating process 0.581
Then I find very few patterns in the guest's memory after 5 seconds 8.712

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

After features/support/hooks.rb:330 0.682
After features/support/hooks.rb:100 0.000
25.359
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 7.916
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 3.679

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 4.370

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

When I umount "/mnt" 0.447
Then I find very few patterns in the guest's memory after 3 seconds 6.587

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.690
After features/support/hooks.rb:100 0.000
49.898
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 8.170
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.030
Then I find very few patterns in the guest's memory 3.465

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

# write cache
When I fill the USB drive with a known pattern 2.301
Then patterns cover at least 75% of the test FS size in the guest's memory 4.301

Pattern coverage: 86.625% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.335
Then I find very few patterns in the guest's memory after 3 seconds 6.517

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

# read cache
When I mount the USB drive again 0.388
And I read the content of the test FS 1.702
Then patterns cover at least 99% of the test FS size in the guest's memory 3.990

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

When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 6.713

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

After features/support/hooks.rb:330 1.089
After features/support/hooks.rb:100 0.000
1:20.404
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 7.981
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.351
Then I find very few patterns in the guest's memory 3.137

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.923
Then patterns cover at least 99% of the test FS size in the guest's memory 3.631

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

When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 6.031

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 3.938
And I read the content of the test FS 0.523
Then patterns cover at least 99% of the test FS size in the guest's memory 3.689

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

When I umount the USB drive 0.829
Then I find very few patterns in the guest's memory after 3 seconds 6.238

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.863
After features/support/hooks.rb:100 0.000
51.589
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 9.496
And I prepare Tails for memory erasure tests 0.665
When I fill a 128 MiB file with a known pattern on the root filesystem 16.183
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.072
Then patterns cover at least 128 MiB in the guest's memory 2.367

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

When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 20.764

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

After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.000
7:15.852
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 6:30.089
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.904
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.431

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.011