Project Number Date
test_Tails_ISO_19139-arti-bridges 24 07 Dec 2024, 22:11

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 11:29.474 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.
22.728
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 2.330
Then patterns cover at least 128 MiB in the guest's memory 3.241

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

When I kill the allocating process 2.320
Then I find very few patterns in the guest's memory after 3 seconds 6.346

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 0.822
After features/support/hooks.rb:100 0.000
23.684
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.197
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 3.364

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 2.036
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155

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

When I umount "/mnt" 0.632
Then I find very few patterns in the guest's memory after 3 seconds 5.878

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

After features/support/hooks.rb:326 0.879
After features/support/hooks.rb:100 0.000
52.800
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.604
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.291
Then I find very few patterns in the guest's memory 3.286

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

# write cache
When I fill the USB drive with a known pattern 4.787
Then patterns cover at least 75% of the test FS size in the guest's memory 3.382

Pattern coverage: 90.764% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.804
Then I find very few patterns in the guest's memory after 3 seconds 6.740

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

# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 4.057

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

When I umount the USB drive 0.974
Then I find very few patterns in the guest's memory after 3 seconds 6.570

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

After features/support/hooks.rb:326 1.009
After features/support/hooks.rb:100 0.000
1:19.480
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.377
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.564
Then I find very few patterns in the guest's memory 3.039

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

# write cache
When I fill the USB drive with a known pattern 7.755
Then patterns cover at least 99% of the test FS size in the guest's memory 3.039

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

When I umount the USB drive 1.157
Then I find very few patterns in the guest's memory after 3 seconds 5.659

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

# read cache
When I mount the USB drive again 5.344
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 2.445

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

When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 5.423

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

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
52.914
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the root filesystem 16.545
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.275
Then patterns cover at least 128 MiB in the guest's memory 3.170

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

When I trigger shutdown 0.047
Then I find very few patterns in the guest's memory after 20 seconds 21.988

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

After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
7:37.866
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 6:52.875
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.450
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.112

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.013