Project Number Date
test_Tails_ISO_devel 3820 19 May 2025, 10:50

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 12:9.890 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
25.593
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 9.016
And I prepare Tails for memory erasure tests 0.621
When I start a process allocating 128 MiB of memory with a known pattern 2.507
Then patterns cover at least 128 MiB in the guest's memory 3.842 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.903
Then I find very few patterns in the guest's memory after 5 seconds 8.703 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.645
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 0.402
And I find very few patterns in the guest's memory 3.099 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.892
Then patterns cover at least 99% of the test FS size in the guest's memory 4.005 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.497
Then I find very few patterns in the guest's memory after 3 seconds 6.614 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.016
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 7.982
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.190
Then I find very few patterns in the guest's memory 3.641 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.245
Then patterns cover at least 75% of the test FS size in the guest's memory 4.264 
Pattern coverage: 89.934% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.916
Then I find very few patterns in the guest's memory after 3 seconds 6.622 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.541
Then patterns cover at least 99% of the test FS size in the guest's memory 3.908 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.392
Then I find very few patterns in the guest's memory after 3 seconds 6.615 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.075
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.145
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 7.935
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.075
Then I find very few patterns in the guest's memory 2.812 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.529
Then patterns cover at least 99% of the test FS size in the guest's memory 3.017 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.667
Then I find very few patterns in the guest's memory after 3 seconds 6.032 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 5.643
And I read the content of the test FS 0.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.404 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.984
Then I find very few patterns in the guest's memory after 3 seconds 6.090 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.382
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.356
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 9.696
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the root filesystem 13.634
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.689
Then patterns cover at least 128 MiB in the guest's memory 2.819 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.083 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:28.132
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 7:43.049
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.180
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.466 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.014