Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 40 27 Jun 2025, 11:19

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 15:20.638 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
28.511
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 9.373
And I prepare Tails for memory erasure tests 2.146
When I start a process allocating 128 MiB of memory with a known pattern 2.859
Then patterns cover at least 128 MiB in the guest's memory 5.507 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.267
Then I find very few patterns in the guest's memory after 5 seconds 8.357 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 4.203
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
40.822
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.014
Given I have started Tails from DVD without network and logged in 12.169
And I prepare Tails for memory erasure tests 0.732
And I find very few patterns in the guest's memory 7.127 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.332
Then patterns cover at least 99% of the test FS size in the guest's memory 4.318 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.541
Then I find very few patterns in the guest's memory after 3 seconds 11.600 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.722
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.054
Given I have started Tails from DVD without network and logged in 10.117
And I prepare Tails for memory erasure tests 0.635
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.581
Then I find very few patterns in the guest's memory 3.560 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.830
Then patterns cover at least 75% of the test FS size in the guest's memory 6.954 
Pattern coverage: 87.048% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.080
Then I find very few patterns in the guest's memory after 3 seconds 5.917 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 0.792
Then patterns cover at least 99% of the test FS size in the guest's memory 10.952 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.912
Then I find very few patterns in the guest's memory after 3 seconds 6.113 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.315
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
2:2.248
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.019
Given I have started Tails from DVD without network and logged in 24.208
And I prepare Tails for memory erasure tests 1.599
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.448
Then I find very few patterns in the guest's memory 8.697 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.069
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.636
Then I find very few patterns in the guest's memory after 3 seconds 5.944 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 9.637
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.078
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:24.365
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.055
Given I have started Tails from DVD without network and logged in 33.413
And I prepare Tails for memory erasure tests 0.851
When I fill a 128 MiB file with a known pattern on the root filesystem 18.238
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.248
Then patterns cover at least 128 MiB in the guest's memory 4.895 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.323
Then I find very few patterns in the guest's memory after 20 seconds 24.396 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:36.967
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 8:46.361
And I prepare Tails for memory erasure tests 0.560
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.479
When I trigger shutdown 0.143
Then I find very few patterns in the guest's memory after 20 seconds 23.421 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.803
After features/support/hooks.rb:100 0.014