Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 9 09 Mar 2025, 21:42

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 10:52.757 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.
21.956
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 7.941
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 1.205
Then patterns cover at least 128 MiB in the guest's memory 3.124

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

When I kill the allocating process 1.417
Then I find very few patterns in the guest's memory after 5 seconds 7.813

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
22.963
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 7.915
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 2.719

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.606
Then patterns cover at least 99% of the test FS size in the guest's memory 3.066

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

When I umount "/mnt" 0.705
Then I find very few patterns in the guest's memory after 3 seconds 6.523

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

After features/support/hooks.rb:330 1.263
After features/support/hooks.rb:100 0.000
48.694
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 7.889
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.966
Then I find very few patterns in the guest's memory 3.693

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

# write cache
When I fill the USB drive with a known pattern 3.409
Then patterns cover at least 75% of the test FS size in the guest's memory 4.133

Pattern coverage: 85.110% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.331
Then I find very few patterns in the guest's memory after 3 seconds 6.555

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

# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 0.913
Then patterns cover at least 99% of the test FS size in the guest's memory 3.961

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

When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 6.560

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

After features/support/hooks.rb:330 0.743
After features/support/hooks.rb:100 0.000
1:17.533
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.043
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.778
Then I find very few patterns in the guest's memory 2.567

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

# write cache
When I fill the USB drive with a known pattern 1.839
Then patterns cover at least 99% of the test FS size in the guest's memory 2.677

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

When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 5.462

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

# read cache
When I mount the USB drive again 5.945
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 2.669

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

When I umount the USB drive 1.526
Then I find very few patterns in the guest's memory after 3 seconds 5.243

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

After features/support/hooks.rb:330 1.811
After features/support/hooks.rb:100 0.000
48.757
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 7.870
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the root filesystem 14.980
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.939
Then patterns cover at least 128 MiB in the guest's memory 2.737

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.836

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

After features/support/hooks.rb:330 3.558
After features/support/hooks.rb:100 0.000
7:12.852
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:30.948
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.274
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.161

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.011