Project Number Date
test_Tails_ISO_stable 5092 11 Sep 2024, 12:29

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 11:45.552 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.
24.021
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.325
And I prepare Tails for memory erasure tests 0.404
When I start a process allocating 128 MiB of memory with a known pattern 4.634
Then patterns cover at least 128 MiB in the guest's memory 3.623

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

When I kill the allocating process 0.744
Then I find very few patterns in the guest's memory after 3 seconds 6.289

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

After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
40.195
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 23.692
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 3.484

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 3.573

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

When I umount "/mnt" 0.834
Then I find very few patterns in the guest's memory after 3 seconds 6.130

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

After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
48.929
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.468
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.054
Then I find very few patterns in the guest's memory 3.199

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

# write cache
When I fill the USB drive with a known pattern 2.617
Then patterns cover at least 75% of the test FS size in the guest's memory 4.119

Pattern coverage: 86.539% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.281
Then I find very few patterns in the guest's memory after 3 seconds 5.977

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

# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.271

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

When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 6.054

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

After features/support/hooks.rb:326 0.880
After features/support/hooks.rb:100 0.000
1:21.850
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.370
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.641
Then I find very few patterns in the guest's memory 3.073

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

# write cache
When I fill the USB drive with a known pattern 2.658
Then patterns cover at least 99% of the test FS size in the guest's memory 2.833

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

When I umount the USB drive 0.891
Then I find very few patterns in the guest's memory after 3 seconds 5.514

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

# read cache
When I mount the USB drive again 9.422
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.485

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 2.218
Then I find very few patterns in the guest's memory after 3 seconds 6.843

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

After features/support/hooks.rb:326 1.129
After features/support/hooks.rb:100 0.000
53.005
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.986
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the root filesystem 16.965
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.246
Then patterns cover at least 128 MiB in the guest's memory 3.377

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.893

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.000
7:37.550
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 6:50.904
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.824
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.362

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

After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.073