Project Number Date
test_Tails_ISO_19139-arti-bridges 28 11 Dec 2024, 22:25

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 11:33.286 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.
22.659
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 1.330
Then patterns cover at least 128 MiB in the guest's memory 4.852

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

When I kill the allocating process 1.116
Then I find very few patterns in the guest's memory after 3 seconds 6.433

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 0.919
After features/support/hooks.rb:100 0.000
25.699
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.183
And I prepare Tails for memory erasure tests 0.451
And I find very few patterns in the guest's memory 3.639

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.267
Then patterns cover at least 99% of the test FS size in the guest's memory 3.911

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

When I umount "/mnt" 0.829
Then I find very few patterns in the guest's memory after 3 seconds 6.415

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

After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
47.210
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.000
Then I find very few patterns in the guest's memory 2.954

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.030
Then patterns cover at least 75% of the test FS size in the guest's memory 3.847

Pattern coverage: 91.159% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.520
Then I find very few patterns in the guest's memory after 3 seconds 6.087

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 3.408

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

When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 6.318

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 0.897
After features/support/hooks.rb:100 0.000
1:16.750
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.240
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.064
Then I find very few patterns in the guest's memory 2.613

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.322
Then patterns cover at least 99% of the test FS size in the guest's memory 3.043

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

When I umount the USB drive 0.923
Then I find very few patterns in the guest's memory after 3 seconds 5.702

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 5.106
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.249

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

When I umount the USB drive 2.659
Then I find very few patterns in the guest's memory after 3 seconds 5.951

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
50.244
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the root filesystem 14.978
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.453
Then patterns cover at least 128 MiB in the guest's memory 3.185

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 20.835

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

After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.000
7:50.721
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 7:3.871
And I prepare Tails for memory erasure tests 0.774
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.771
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.290

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.011