Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 39 08 Sep 2024, 07:25

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 10:58.665 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.
23.929
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.988
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.301
Then patterns cover at least 128 MiB in the guest's memory 3.593

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

When I kill the allocating process 3.072
Then I find very few patterns in the guest's memory after 3 seconds 6.554

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

After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
24.265
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.177
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 3.158

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.176
Then patterns cover at least 99% of the test FS size in the guest's memory 3.677

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

When I umount "/mnt" 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.986

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
51.635
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.007
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.182
Then I find very few patterns in the guest's memory 2.818

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.307
Then patterns cover at least 75% of the test FS size in the guest's memory 3.583

Pattern coverage: 87.498% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.417
Then I find very few patterns in the guest's memory after 3 seconds 5.803

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# read cache
When I mount the USB drive again 0.305
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.192

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

When I umount the USB drive 5.238
Then I find very few patterns in the guest's memory after 3 seconds 5.808

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 1.242
After features/support/hooks.rb:100 0.000
1:17.516
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.253
Then I find very few patterns in the guest's memory 2.540

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.850

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

When I umount the USB drive 1.314
Then I find very few patterns in the guest's memory after 3 seconds 6.329

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 5.694
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 4.174

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

When I umount the USB drive 1.137
Then I find very few patterns in the guest's memory after 3 seconds 6.845

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 0.888
After features/support/hooks.rb:100 0.000
48.806
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.271
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 14.799
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.736
Then patterns cover at least 128 MiB in the guest's memory 2.852

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

When I trigger shutdown 0.038
Then I find very few patterns in the guest's memory after 20 seconds 20.708

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

After features/support/hooks.rb:326 3.648
After features/support/hooks.rb:100 0.000
7:12.511
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 6:28.720
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.956
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.418

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.011