Project Number Date
test_Tails_ISO_19139-arti-bridges 36 19 Dec 2024, 22:36

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 12:26.152 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.
24.648
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.860
And I prepare Tails for memory erasure tests 0.619
When I start a process allocating 128 MiB of memory with a known pattern 2.414
Then patterns cover at least 128 MiB in the guest's memory 3.825

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

When I kill the allocating process 1.666
Then I find very few patterns in the guest's memory after 3 seconds 6.261

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

After features/support/hooks.rb:326 2.359
After features/support/hooks.rb:100 0.000
27.314
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.260
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 2.707

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.410
Then patterns cover at least 99% of the test FS size in the guest's memory 4.373

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

When I umount "/mnt" 1.245
Then I find very few patterns in the guest's memory after 3 seconds 6.861

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

After features/support/hooks.rb:326 1.189
After features/support/hooks.rb:100 0.000
1:0.786
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.028
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.183
Then I find very few patterns in the guest's memory 3.857

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.494
Then patterns cover at least 75% of the test FS size in the guest's memory 4.782

Pattern coverage: 91.566% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.216
Then I find very few patterns in the guest's memory after 3 seconds 7.039

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.514
And I read the content of the test FS 0.909
Then patterns cover at least 99% of the test FS size in the guest's memory 4.303

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

When I umount the USB drive 3.049
Then I find very few patterns in the guest's memory after 3 seconds 6.898

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 1.025
After features/support/hooks.rb:100 0.000
1:25.635
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.744
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.258
Then I find very few patterns in the guest's memory 3.289

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

# write cache
When I fill the USB drive with a known pattern 2.172
Then patterns cover at least 99% of the test FS size in the guest's memory 3.545

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

When I umount the USB drive 1.954
Then I find very few patterns in the guest's memory after 3 seconds 6.550

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

# read cache
When I mount the USB drive again 8.071
And I read the content of the test FS 0.688
Then patterns cover at least 99% of the test FS size in the guest's memory 3.313

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 5.769

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

After features/support/hooks.rb:326 1.765
After features/support/hooks.rb:100 0.001
51.562
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.403
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 16.775
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.051
Then patterns cover at least 128 MiB in the guest's memory 2.800

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

When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.063

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

After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.000
8:16.204
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 7:28.732
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.552
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.506

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.621
After features/support/hooks.rb:100 0.013