Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 13 10 Nov 2024, 20:33

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 11:26.489 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.
24.504
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.815
And I prepare Tails for memory erasure tests 0.561
When I start a process allocating 128 MiB of memory with a known pattern 4.301
Then patterns cover at least 128 MiB in the guest's memory 3.126

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

When I kill the allocating process 1.837
Then I find very few patterns in the guest's memory after 3 seconds 5.861

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

After features/support/hooks.rb:326 0.697
After features/support/hooks.rb:100 0.000
24.057
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 2.771

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.922
Then patterns cover at least 99% of the test FS size in the guest's memory 3.121

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

When I umount "/mnt" 0.926
Then I find very few patterns in the guest's memory after 3 seconds 5.836

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
45.821
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.369
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.129
Then I find very few patterns in the guest's memory 2.528

Pattern coverage: 0.000% (0 MiB out of 927 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.610
Then patterns cover at least 75% of the test FS size in the guest's memory 2.990

Pattern coverage: 87.623% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.289
Then I find very few patterns in the guest's memory after 3 seconds 6.234

Pattern coverage: 0.000% (0 MiB out of 927 MiB reference memory)

# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.925
Then patterns cover at least 99% of the test FS size in the guest's memory 4.104

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

When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 6.351

Pattern coverage: 0.000% (0 MiB out of 927 MiB reference memory)

After features/support/hooks.rb:326 0.721
After features/support/hooks.rb:100 0.000
1:14.048
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.004
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.876
Then I find very few patterns in the guest's memory 2.971

Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.906
Then patterns cover at least 99% of the test FS size in the guest's memory 3.405

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

When I umount the USB drive 0.865
Then I find very few patterns in the guest's memory after 3 seconds 5.871

Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)

# read cache
When I mount the USB drive again 5.166
And I read the content of the test FS 0.421
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504

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

When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 6.042

Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)

After features/support/hooks.rb:326 2.884
After features/support/hooks.rb:100 0.000
50.467
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
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 17.060
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.415
Then patterns cover at least 128 MiB in the guest's memory 2.762

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 20.755

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

After features/support/hooks.rb:326 3.567
After features/support/hooks.rb:100 0.000
7:47.589
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 7:3.248
And I prepare Tails for memory erasure tests 0.784
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.324
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.220

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

After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.012