Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 24 01 Dec 2024, 10:12

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 10:43.282 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.
20.181
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.956
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 1.233
Then patterns cover at least 128 MiB in the guest's memory 3.223

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

When I kill the allocating process 1.791
Then I find very few patterns in the guest's memory after 3 seconds 5.526

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

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
21.851
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.867
And I prepare Tails for memory erasure tests 0.504
And I find very few patterns in the guest's memory 2.839

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 2.803

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

When I umount "/mnt" 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.784

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

After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
45.088
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.883
Then I find very few patterns in the guest's memory 2.897

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.473
Then patterns cover at least 75% of the test FS size in the guest's memory 3.216

Pattern coverage: 86.867% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.374
Then I find very few patterns in the guest's memory after 3 seconds 5.724

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 0.400
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 3.176

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

When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 6.452

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.779
After features/support/hooks.rb:100 0.000
1:11.378
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.355
Then I find very few patterns in the guest's memory 2.547

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.990
Then patterns cover at least 99% of the test FS size in the guest's memory 2.746

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

When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 5.173

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 5.319
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 2.580

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

When I umount the USB drive 0.565
Then I find very few patterns in the guest's memory after 3 seconds 5.069

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.750
After features/support/hooks.rb:100 0.000
47.242
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.372
When I fill a 128 MiB file with a known pattern on the root filesystem 13.981
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.483
Then patterns cover at least 128 MiB in the guest's memory 2.546

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.690

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

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
7:17.539
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 6:32.052
And I prepare Tails for memory erasure tests 0.748
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.570
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.154

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

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.011