Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 19 19 Mar 2025, 22:03

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 10:54.870 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.
22.625
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 7.905
And I prepare Tails for memory erasure tests 0.397
When I start a process allocating 128 MiB of memory with a known pattern 2.345
Then patterns cover at least 128 MiB in the guest's memory 3.207

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

When I kill the allocating process 1.100
Then I find very few patterns in the guest's memory after 5 seconds 7.668

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

After features/support/hooks.rb:330 0.703
After features/support/hooks.rb:100 0.000
23.181
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 7.895
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 2.588

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.326
Then patterns cover at least 99% of the test FS size in the guest's memory 3.175

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

When I umount "/mnt" 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.074

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 0.951
After features/support/hooks.rb:100 0.000
48.459
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 8.142
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.042
Then I find very few patterns in the guest's memory 3.858

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

# write cache
When I fill the USB drive with a known pattern 2.842
Then patterns cover at least 75% of the test FS size in the guest's memory 4.045

Pattern coverage: 87.403% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.050
Then I find very few patterns in the guest's memory after 3 seconds 6.522

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

# read cache
When I mount the USB drive again 0.283
And I read the content of the test FS 0.858
Then patterns cover at least 99% of the test FS size in the guest's memory 3.909

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

When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 5.981

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

After features/support/hooks.rb:330 0.974
After features/support/hooks.rb:100 0.000
1:18.427
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 7.883
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.000
Then I find very few patterns in the guest's memory 3.652

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.986
Then patterns cover at least 99% of the test FS size in the guest's memory 3.929

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 5.458

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 6.220
And I read the content of the test FS 0.421
Then patterns cover at least 99% of the test FS size in the guest's memory 3.151

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.824

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 1.333
After features/support/hooks.rb:100 0.000
50.062
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 8.032
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 16.165
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.870
Then patterns cover at least 128 MiB in the guest's memory 2.910

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 20.674

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.000
7:12.114
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 6:28.062
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.507
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.111

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

After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.011