Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 36 03 Dec 2024, 20:44

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 10:50.218 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.
22.033
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.070
And I prepare Tails for memory erasure tests 0.364
When I start a process allocating 128 MiB of memory with a known pattern 2.303
Then patterns cover at least 128 MiB in the guest's memory 3.463

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

When I kill the allocating process 1.625
Then I find very few patterns in the guest's memory after 3 seconds 6.206

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 0.725
After features/support/hooks.rb:100 0.000
24.116
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.048
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 2.993

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.301
Then patterns cover at least 99% of the test FS size in the guest's memory 3.299

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

When I umount "/mnt" 1.062
Then I find very few patterns in the guest's memory after 3 seconds 5.989

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
45.958
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.970
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.139
Then I find very few patterns in the guest's memory 3.102

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.517
Then patterns cover at least 75% of the test FS size in the guest's memory 3.781

Pattern coverage: 94.624% (120 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.536
Then I find very few patterns in the guest's memory after 3 seconds 5.973

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# read cache
When I mount the USB drive again 0.332
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 3.040

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

When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory after 3 seconds 6.021

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
1:14.899
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.068
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.195
Then I find very few patterns in the guest's memory 2.524

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

# write cache
When I fill the USB drive with a known pattern 1.878
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827

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

When I umount the USB drive 0.876
Then I find very few patterns in the guest's memory after 3 seconds 5.524

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

# read cache
When I mount the USB drive again 5.091
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 2.909

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

When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory after 3 seconds 5.560

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

After features/support/hooks.rb:326 0.725
After features/support/hooks.rb:100 0.000
47.287
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 13.721
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.826
Then patterns cover at least 128 MiB in the guest's memory 2.468

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.758

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 3.455
After features/support/hooks.rb:100 0.000
7:15.923
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 6:31.508
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.846
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.145

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

After features/support/hooks.rb:326 3.455
After features/support/hooks.rb:100 0.011