Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 54 08 Jul 2025, 21:03

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 15:7.424 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
28.354
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 8.649
And I prepare Tails for memory erasure tests 2.493
When I start a process allocating 128 MiB of memory with a known pattern 3.857
Then patterns cover at least 128 MiB in the guest's memory 5.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 5 seconds 7.980 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 2.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.957
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.035
Given I have started Tails from DVD without network and logged in 11.816
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 3.345 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.082
Then patterns cover at least 99% of the test FS size in the guest's memory 10.145 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.584
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.311
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 15.673
And I prepare Tails for memory erasure tests 0.616
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.792
Then I find very few patterns in the guest's memory 2.708 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.980
Then patterns cover at least 75% of the test FS size in the guest's memory 9.879 
Pattern coverage: 88.450% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.184
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.705
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504 
Pattern coverage: 100.596% (128 MiB out of 127 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 9.827 
Pattern coverage: 0.001% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:58.090
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 8.902
And I prepare Tails for memory erasure tests 0.871
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 59.152
Then I find very few patterns in the guest's memory 9.715 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.112
Then patterns cover at least 99% of the test FS size in the guest's memory 2.735 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 12.802 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.096
And I read the content of the test FS 0.425
Then patterns cover at least 99% of the test FS size in the guest's memory 2.829 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.663
Then I find very few patterns in the guest's memory after 3 seconds 11.999 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.450
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.265
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 8.755
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 16.422
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.464
Then patterns cover at least 128 MiB in the guest's memory 5.846 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.053
Then I find very few patterns in the guest's memory after 20 seconds 22.268 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 4.605
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:58.446
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 9:6.454
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.510
When I trigger shutdown 0.406
Then I find very few patterns in the guest's memory after 20 seconds 22.585 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.710
After features/support/hooks.rb:100 0.016