Project Number Date
test_Tails_ISO_20267-webtunnel 4 14 Jul 2025, 22:45

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 16:8.878 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
42.922
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 8.160
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 1.360
Then patterns cover at least 128 MiB in the guest's memory 14.028 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.253
Then I find very few patterns in the guest's memory after 5 seconds 18.666 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.977
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 10.068
And I prepare Tails for memory erasure tests 0.632
And I find very few patterns in the guest's memory 11.028 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.822
Then patterns cover at least 99% of the test FS size in the guest's memory 12.369 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.304
Then I find very few patterns in the guest's memory after 3 seconds 13.751 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.473
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.669
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.576
Then I find very few patterns in the guest's memory 11.623 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.062
Then patterns cover at least 75% of the test FS size in the guest's memory 11.992 
Pattern coverage: 90.136% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 13.856 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.606
Then patterns cover at least 99% of the test FS size in the guest's memory 15.514 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 13.736 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 2.673
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:25.877
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.258
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.933
Then I find very few patterns in the guest's memory 14.394 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.271
Then patterns cover at least 99% of the test FS size in the guest's memory 11.524 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory after 3 seconds 11.729 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 4.350
And I read the content of the test FS 0.641
Then patterns cover at least 99% of the test FS size in the guest's memory 26.075 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory after 3 seconds 21.474 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.680
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 8.493
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the root filesystem 14.104
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.377
Then patterns cover at least 128 MiB in the guest's memory 17.416 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 23.797 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.642
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:30.945
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 8:40.374
And I prepare Tails for memory erasure tests 1.477
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.899
When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 23.165 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.012