Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 44 10 Dec 2024, 22:20

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 12:36.277 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.
21.977
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.304
Then patterns cover at least 128 MiB in the guest's memory 4.403

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

When I kill the allocating process 0.363
Then I find very few patterns in the guest's memory after 3 seconds 6.226

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

After features/support/hooks.rb:326 0.854
After features/support/hooks.rb:100 0.000
39.897
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 21.938
And I prepare Tails for memory erasure tests 0.548
And I find very few patterns in the guest's memory 3.580

Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.217
Then patterns cover at least 99% of the test FS size in the guest's memory 4.030

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

When I umount "/mnt" 1.008
Then I find very few patterns in the guest's memory after 3 seconds 6.572

Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)

After features/support/hooks.rb:326 0.894
After features/support/hooks.rb:100 0.000
1:5.348
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.130
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.119
Then I find very few patterns in the guest's memory 9.473

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.306
Then patterns cover at least 75% of the test FS size in the guest's memory 7.978

Pattern coverage: 94.141% (120 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.728
Then I find very few patterns in the guest's memory after 3 seconds 7.237

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# read cache
When I mount the USB drive again 0.298
And I read the content of the test FS 0.905
Then patterns cover at least 99% of the test FS size in the guest's memory 3.631

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

When I umount the USB drive 0.583
Then I find very few patterns in the guest's memory after 3 seconds 7.388

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

After features/support/hooks.rb:326 0.979
After features/support/hooks.rb:100 0.000
1:15.035
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.249
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.449
Then I find very few patterns in the guest's memory 2.722

Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.734
Then patterns cover at least 99% of the test FS size in the guest's memory 2.825

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

When I umount the USB drive 1.451
Then I find very few patterns in the guest's memory after 3 seconds 5.380

Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)

# read cache
When I mount the USB drive again 6.436
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.632

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

When I umount the USB drive 1.025
Then I find very few patterns in the guest's memory after 3 seconds 6.036

Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)

After features/support/hooks.rb:326 0.975
After features/support/hooks.rb:100 0.000
50.969
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.409
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the root filesystem 15.380
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.399
Then patterns cover at least 128 MiB in the guest's memory 3.275

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 21.014

Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)

After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
8:23.049
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:38.097
And I prepare Tails for memory erasure tests 0.532
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.266
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.136

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

After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.028