Project Number Date
test_Tails_ISO_20297-debug-proxy-refusing-connections 31 22 Apr 2025, 19:21

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 12:24.725 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.
26.657
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 8.914
And I prepare Tails for memory erasure tests 0.613
When I start a process allocating 128 MiB of memory with a known pattern 2.828
Then patterns cover at least 128 MiB in the guest's memory 5.148

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

When I kill the allocating process 0.600
Then I find very few patterns in the guest's memory after 5 seconds 8.552

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 1.152
After features/support/hooks.rb:100 0.000
28.345
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 8.927
And I prepare Tails for memory erasure tests 0.644
And I find very few patterns in the guest's memory 4.258

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.116
Then patterns cover at least 99% of the test FS size in the guest's memory 4.857

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

When I umount "/mnt" 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.843

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

After features/support/hooks.rb:330 0.963
After features/support/hooks.rb:100 0.000
53.066
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 9.364
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.490
Then I find very few patterns in the guest's memory 3.883

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

# write cache
When I fill the USB drive with a known pattern 2.749
Then patterns cover at least 75% of the test FS size in the guest's memory 4.009

Pattern coverage: 90.966% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.803
Then I find very few patterns in the guest's memory after 3 seconds 6.688

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

# read cache
When I mount the USB drive again 0.280
And I read the content of the test FS 1.653
Then patterns cover at least 99% of the test FS size in the guest's memory 3.724

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

When I umount the USB drive 1.146
Then I find very few patterns in the guest's memory after 3 seconds 6.753

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

After features/support/hooks.rb:330 1.353
After features/support/hooks.rb:100 0.000
1:24.565
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 9.076
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.687
Then I find very few patterns in the guest's memory 3.111

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

# write cache
When I fill the USB drive with a known pattern 1.950
Then patterns cover at least 99% of the test FS size in the guest's memory 3.837

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

When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 6.315

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

# read cache
When I mount the USB drive again 5.627
And I read the content of the test FS 3.478
Then patterns cover at least 99% of the test FS size in the guest's memory 3.935

Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.793
Then I find very few patterns in the guest's memory after 3 seconds 6.153

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

After features/support/hooks.rb:330 1.926
After features/support/hooks.rb:100 0.000
50.682
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 9.113
And I prepare Tails for memory erasure tests 0.719
When I fill a 128 MiB file with a known pattern on the root filesystem 14.337
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.317
Then patterns cover at least 128 MiB in the guest's memory 3.278

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.898

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 3.582
After features/support/hooks.rb:100 0.000
8:21.407
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 7:34.250
And I prepare Tails for memory erasure tests 0.894
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.951
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.299

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 3.633
After features/support/hooks.rb:100 0.026