Project Number Date
test_Tails_ISO_19139-arti-bridges 9 22 Nov 2024, 21:54

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 11:6.280 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.
21.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.908
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.272
Then patterns cover at least 128 MiB in the guest's memory 3.918

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

When I kill the allocating process 1.011
Then I find very few patterns in the guest's memory after 3 seconds 6.249

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.881
After features/support/hooks.rb:100 0.000
24.799
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.031
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 3.250

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.173
Then patterns cover at least 99% of the test FS size in the guest's memory 3.989

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

When I umount "/mnt" 0.742
Then I find very few patterns in the guest's memory after 3 seconds 6.132

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
49.011
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.524
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.084
Then I find very few patterns in the guest's memory 3.016

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

# write cache
When I fill the USB drive with a known pattern 2.683
Then patterns cover at least 75% of the test FS size in the guest's memory 3.646

Pattern coverage: 89.558% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.293
Then I find very few patterns in the guest's memory after 3 seconds 6.215

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

# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.569
Then patterns cover at least 99% of the test FS size in the guest's memory 4.165

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

When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 7.768

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

After features/support/hooks.rb:326 1.167
After features/support/hooks.rb:100 0.000
1:20.439
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.961
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.678
Then I find very few patterns in the guest's memory 3.887

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.979
Then patterns cover at least 99% of the test FS size in the guest's memory 3.889

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

When I umount the USB drive 3.151
Then I find very few patterns in the guest's memory after 3 seconds 6.576

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 4.698
And I read the content of the test FS 0.710
Then patterns cover at least 99% of the test FS size in the guest's memory 3.029

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

When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 5.641

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.906
After features/support/hooks.rb:100 0.000
49.668
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.974
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 15.658
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.993
Then patterns cover at least 128 MiB in the guest's memory 2.756

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

When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.804

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
7:20.582
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.800
And I prepare Tails for memory erasure tests 0.558
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.029
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.179

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

After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.011