Project Number Date
test_Tails_ISO_19139-arti-bridges 22 05 Dec 2024, 22:42

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 11:9.338 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.
22.122
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.319
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 2.463
Then patterns cover at least 128 MiB in the guest's memory 3.438

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

When I kill the allocating process 1.170
Then I find very few patterns in the guest's memory after 3 seconds 6.259

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 2.068
After features/support/hooks.rb:100 0.000
26.836
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.430
And I prepare Tails for memory erasure tests 0.852
And I find very few patterns in the guest's memory 3.275

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 1.931
Then patterns cover at least 99% of the test FS size in the guest's memory 3.700

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

When I umount "/mnt" 1.144
Then I find very few patterns in the guest's memory after 3 seconds 6.501

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

After features/support/hooks.rb:326 0.896
After features/support/hooks.rb:100 0.000
47.720
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.946
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.913
Then I find very few patterns in the guest's memory 3.193

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

# write cache
When I fill the USB drive with a known pattern 2.916
Then patterns cover at least 75% of the test FS size in the guest's memory 3.597

Pattern coverage: 91.036% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.566
Then I find very few patterns in the guest's memory after 3 seconds 6.484

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

# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.805
Then patterns cover at least 99% of the test FS size in the guest's memory 3.719

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

When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 6.226

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

After features/support/hooks.rb:326 0.854
After features/support/hooks.rb:100 0.000
1:12.690
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.302
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.455
Then I find very few patterns in the guest's memory 3.023

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.048
Then patterns cover at least 99% of the test FS size in the guest's memory 2.971

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

When I umount the USB drive 1.081
Then I find very few patterns in the guest's memory after 3 seconds 5.706

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 4.925
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 3.001

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

When I umount the USB drive 0.645
Then I find very few patterns in the guest's memory after 3 seconds 5.641

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.899
After features/support/hooks.rb:100 0.000
50.142
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 15.622
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.046
Then patterns cover at least 128 MiB in the guest's memory 3.039

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.892

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.000
7:29.825
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:45.159
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.940
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.320

Pattern coverage: 0.000% (0 MiB out of 853 MiB reference memory)

After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.011