Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 20 15 Feb 2025, 05:26

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 10:56.231 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.
23.017
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.881
And I prepare Tails for memory erasure tests 0.375
When I start a process allocating 128 MiB of memory with a known pattern 2.334
Then patterns cover at least 128 MiB in the guest's memory 3.299

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

When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 7.926

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.798
After features/support/hooks.rb:100 0.000
24.542
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.160
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 2.903

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 4.378

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

When I umount "/mnt" 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.001

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.482
After features/support/hooks.rb:100 0.000
47.388
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.871
Then I find very few patterns in the guest's memory 3.730

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

# write cache
When I fill the USB drive with a known pattern 3.076
Then patterns cover at least 75% of the test FS size in the guest's memory 3.391

Pattern coverage: 86.212% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.842
Then I find very few patterns in the guest's memory after 3 seconds 5.600

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

# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081

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

When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory after 3 seconds 6.432

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

After features/support/hooks.rb:326 0.795
After features/support/hooks.rb:100 0.000
1:14.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.935
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.007
Then I find very few patterns in the guest's memory 2.826

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

# write cache
When I fill the USB drive with a known pattern 2.245
Then patterns cover at least 99% of the test FS size in the guest's memory 2.845

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

When I umount the USB drive 1.497
Then I find very few patterns in the guest's memory after 3 seconds 5.369

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

# read cache
When I mount the USB drive again 5.530
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 2.429

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

When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 5.868

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

After features/support/hooks.rb:326 1.210
After features/support/hooks.rb:100 0.000
51.580
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.998
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 16.373
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.641
Then patterns cover at least 128 MiB in the guest's memory 2.399

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 20.752

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
7:15.445
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 6:28.973
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.812
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.138

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

After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.011