Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 78 20 Oct 2024, 07:32

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 11:26.745 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.
22.531
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 0.481
When I start a process allocating 128 MiB of memory with a known pattern 1.516
Then patterns cover at least 128 MiB in the guest's memory 3.756

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

When I kill the allocating process 2.393
Then I find very few patterns in the guest's memory after 3 seconds 6.378

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
26.753
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.393
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 4.145

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.039
Then patterns cover at least 99% of the test FS size in the guest's memory 4.218

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

When I umount "/mnt" 1.123
Then I find very few patterns in the guest's memory after 3 seconds 6.387

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
50.763
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.451
Then I find very few patterns in the guest's memory 3.820

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

# write cache
When I fill the USB drive with a known pattern 2.313
Then patterns cover at least 75% of the test FS size in the guest's memory 3.390

Pattern coverage: 84.035% (107 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.763
Then I find very few patterns in the guest's memory after 3 seconds 5.732

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

# read cache
When I mount the USB drive again 0.261
And I read the content of the test FS 0.753
Then patterns cover at least 99% of the test FS size in the guest's memory 5.117

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

When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 6.465

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

After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
1:15.544
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.644
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.376
Then I find very few patterns in the guest's memory 2.715

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.713
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826

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

When I umount the USB drive 1.636
Then I find very few patterns in the guest's memory after 3 seconds 5.824

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 5.618
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 4.105

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

When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.847

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.853
After features/support/hooks.rb:100 0.000
52.238
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 18.421
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.593
Then patterns cover at least 128 MiB in the guest's memory 2.906

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 20.737

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.000
7:38.913
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 6:54.487
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.716
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.187

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.010