Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 2 05 Mar 2025, 21:44

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 10:27.806 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.
22.337
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 7.884
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 1.228
Then patterns cover at least 128 MiB in the guest's memory 3.485

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

When I kill the allocating process 1.160
Then I find very few patterns in the guest's memory after 5 seconds 8.152

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 0.723
After features/support/hooks.rb:100 0.000
25.016
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 7.804
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 4.000

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 1.842
Then patterns cover at least 99% of the test FS size in the guest's memory 4.279

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

When I umount "/mnt" 0.495
Then I find very few patterns in the guest's memory after 3 seconds 6.219

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

After features/support/hooks.rb:330 0.793
After features/support/hooks.rb:100 0.000
46.071
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 7.830
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.065
Then I find very few patterns in the guest's memory 3.423

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.448
Then patterns cover at least 75% of the test FS size in the guest's memory 3.453

Pattern coverage: 84.752% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.350
Then I find very few patterns in the guest's memory after 3 seconds 6.081

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 0.204
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 3.491

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

When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 6.359

Pattern coverage: 0.001% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 0.764
After features/support/hooks.rb:100 0.000
1:8.436
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 7.835
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.230
Then I find very few patterns in the guest's memory 2.705

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.872
Then patterns cover at least 99% of the test FS size in the guest's memory 2.744

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

When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory after 3 seconds 5.625

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 4.529
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 3.150

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

When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 5.506

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:330 1.556
After features/support/hooks.rb:100 0.000
51.306
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 7.847
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the root filesystem 18.072
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.787
Then patterns cover at least 128 MiB in the guest's memory 2.468

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 20.728

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.000
6:54.638
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 6:12.202
And I prepare Tails for memory erasure tests 0.594
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.666
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.162

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.475
After features/support/hooks.rb:100 0.012