Project Number Date
test_Tails_ISO_stable 5666 21 May 2025, 09:03

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 11:51.645 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
25.290
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 8.515
And I prepare Tails for memory erasure tests 0.487
When I start a process allocating 128 MiB of memory with a known pattern 2.882
Then patterns cover at least 128 MiB in the guest's memory 3.450 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.074
Then I find very few patterns in the guest's memory after 5 seconds 8.879 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.652
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.111
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 21.357
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.614 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.311
Then patterns cover at least 99% of the test FS size in the guest's memory 4.155 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.574 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.040
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 8.723
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.281
Then I find very few patterns in the guest's memory 3.347 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.421
Then patterns cover at least 75% of the test FS size in the guest's memory 3.433 
Pattern coverage: 88.526% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.129
Then I find very few patterns in the guest's memory after 3 seconds 6.663 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.281
And I read the content of the test FS 0.854
Then patterns cover at least 99% of the test FS size in the guest's memory 3.977 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 6.929 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.600
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 8.268
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.016
Then I find very few patterns in the guest's memory 2.668 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.777
Then patterns cover at least 99% of the test FS size in the guest's memory 2.932 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.828
Then I find very few patterns in the guest's memory after 3 seconds 6.447 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 3.762
And I read the content of the test FS 0.601
Then patterns cover at least 99% of the test FS size in the guest's memory 3.417 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.453
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.483
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.368
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 8.141
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the root filesystem 16.296
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.723
Then patterns cover at least 128 MiB in the guest's memory 2.888 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.808 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.482
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.232
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 7:9.099
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.468
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.256 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.528
After features/support/hooks.rb:100 0.012