Project Number Date
test_Tails_ISO_devel 3769 07 Apr 2025, 13:18

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 11:7.337 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
23.547
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 8.144
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 2.388
Then patterns cover at least 128 MiB in the guest's memory 3.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.333
Then I find very few patterns in the guest's memory after 5 seconds 8.859 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.351
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 8.147
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 3.634 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.306
Then patterns cover at least 99% of the test FS size in the guest's memory 4.355 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.655
Then I find very few patterns in the guest's memory after 3 seconds 6.856 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.664
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.154
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 8.234
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.286
Then I find very few patterns in the guest's memory 3.785 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.780
Then patterns cover at least 75% of the test FS size in the guest's memory 4.334 
Pattern coverage: 85.520% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 6.613 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.803
Then patterns cover at least 99% of the test FS size in the guest's memory 4.335 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.942
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.377
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 8.122
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.946
Then I find very few patterns in the guest's memory 3.053 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.347 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.501 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 6.711
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 3.792 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.935 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.576
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.066
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 8.530
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 14.197
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 3.147 
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 20.868 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.839
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 6:37.939
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.086
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.314 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.026