Project Number Date
test_Tails_ISO_devel 3766 04 Apr 2025, 13:02

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 11:7.025 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
24.613
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 8.132
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 2.546
Then patterns cover at least 128 MiB in the guest's memory 3.715 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.955
Then I find very few patterns in the guest's memory after 5 seconds 8.801 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.700
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.366
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 7.995
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 3.436 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.152
Then patterns cover at least 99% of the test FS size in the guest's memory 4.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.432
Then I find very few patterns in the guest's memory after 3 seconds 7.486 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.696
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.060
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 7.980
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.091
Then I find very few patterns in the guest's memory 3.592 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.434
Then patterns cover at least 75% of the test FS size in the guest's memory 4.328 
Pattern coverage: 88.015% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 6.127 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.653 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.380
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.272
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 7.888
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.246
Then I find very few patterns in the guest's memory 2.856 
Pattern coverage: 0.000% (0 MiB out of 893 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 3.010 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.792
Then I find very few patterns in the guest's memory after 3 seconds 5.917 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.655
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 5.653 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 2.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.107
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 7.969
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 16.288
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.864
Then patterns cover at least 128 MiB in the guest's memory 2.733 
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 20.849 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.492
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.605
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 6:36.877
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.018
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.271 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.011