Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 33 02 Apr 2025, 22:15

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 13:25.410 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.
26.746
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.753
And I prepare Tails for memory erasure tests 0.733
When I start a process allocating 128 MiB of memory with a known pattern 2.472
Then patterns cover at least 128 MiB in the guest's memory 4.580

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

When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 8.976

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

After features/support/hooks.rb:330 0.893
After features/support/hooks.rb:100 0.000
26.846
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.721
And I prepare Tails for memory erasure tests 0.542
And I find very few patterns in the guest's memory 3.885

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.068
Then patterns cover at least 99% of the test FS size in the guest's memory 4.295

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

When I umount "/mnt" 0.490
Then I find very few patterns in the guest's memory after 3 seconds 6.843

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.964
After features/support/hooks.rb:100 0.000
59.431
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.226
And I prepare Tails for memory erasure tests 0.679
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.078
Then I find very few patterns in the guest's memory 3.886

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.966
Then patterns cover at least 75% of the test FS size in the guest's memory 5.885

Pattern coverage: 91.239% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.093
Then I find very few patterns in the guest's memory after 3 seconds 8.511

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 2.097
Then patterns cover at least 99% of the test FS size in the guest's memory 5.496

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

When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 6.765

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:330 1.052
After features/support/hooks.rb:100 0.000
1:27.868
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 9.343
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.917
Then I find very few patterns in the guest's memory 5.453

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.729
Then patterns cover at least 99% of the test FS size in the guest's memory 3.776

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

When I umount the USB drive 0.865
Then I find very few patterns in the guest's memory after 3 seconds 6.126

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 5.664
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.744

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

When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.598

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 0.925
After features/support/hooks.rb:100 0.000
49.180
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.544
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the root filesystem 13.719
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.191
Then patterns cover at least 128 MiB in the guest's memory 3.175

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.026

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.000
9:15.337
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:28.547
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.906
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.426

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.014