Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 30 30 Mar 2025, 21:37

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 10:49.715 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.
20.946
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 8.057
And I prepare Tails for memory erasure tests 0.474
When I start a process allocating 128 MiB of memory with a known pattern 1.201
Then patterns cover at least 128 MiB in the guest's memory 3.226

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

When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 5 seconds 7.760

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

After features/support/hooks.rb:330 0.947
After features/support/hooks.rb:100 0.000
25.968
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 9.617
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 2.812

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 2.106
Then patterns cover at least 99% of the test FS size in the guest's memory 3.806

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

When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 6.829

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

After features/support/hooks.rb:330 0.836
After features/support/hooks.rb:100 0.000
47.198
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 8.408
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.988
Then I find very few patterns in the guest's memory 3.643

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

# write cache
When I fill the USB drive with a known pattern 2.600
Then patterns cover at least 75% of the test FS size in the guest's memory 4.149

Pattern coverage: 87.103% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.966
Then I find very few patterns in the guest's memory after 3 seconds 5.781

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

# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 3.143

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

When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 6.726

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

After features/support/hooks.rb:330 0.702
After features/support/hooks.rb:100 0.000
1:8.827
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 0.569
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.960
Then I find very few patterns in the guest's memory 2.592

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.646
Then patterns cover at least 99% of the test FS size in the guest's memory 2.319

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

When I umount the USB drive 0.843
Then I find very few patterns in the guest's memory after 3 seconds 5.888

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# read cache
When I mount the USB drive again 4.300
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.373

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

When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory after 3 seconds 6.121

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 1.119
After features/support/hooks.rb:100 0.000
51.763
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 8.279
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 17.474
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.887
Then patterns cover at least 128 MiB in the guest's memory 2.527

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.137

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 3.470
After features/support/hooks.rb:100 0.000
7:15.010
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:32.060
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.395
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.116

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.011