Project Number Date
test_Tails_ISO_devel 3813 15 May 2025, 12:54

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 11:28.084 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
22.461
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 8.023
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 1.256
Then patterns cover at least 128 MiB in the guest's memory 3.621 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.876
Then I find very few patterns in the guest's memory after 5 seconds 8.287 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.647
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 8.153
And I prepare Tails for memory erasure tests 0.388
And I find very few patterns in the guest's memory 3.422 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.442
Then patterns cover at least 99% of the test FS size in the guest's memory 4.033 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.529
Then I find very few patterns in the guest's memory after 3 seconds 6.679 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.342
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.343
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.052
Then I find very few patterns in the guest's memory 3.674 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.982
Then patterns cover at least 75% of the test FS size in the guest's memory 4.153 
Pattern coverage: 87.697% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.316
Then I find very few patterns in the guest's memory after 3 seconds 6.425 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.738
Then patterns cover at least 99% of the test FS size in the guest's memory 3.511 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.355
Then I find very few patterns in the guest's memory after 3 seconds 7.103 
Pattern coverage: 0.001% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.083
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 8.081
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.421
Then I find very few patterns in the guest's memory 2.713 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.735
Then patterns cover at least 99% of the test FS size in the guest's memory 3.002 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 4.187
And I read the content of the test FS 0.770
Then patterns cover at least 99% of the test FS size in the guest's memory 3.351 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 5.769 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.575
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.077
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 8.212
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 15.894
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.116
Then patterns cover at least 128 MiB in the guest's memory 2.649 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 3.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.471
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 6:58.162
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.526
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.266 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.011