Project Number Date
test_Tails_ISO_stable 5513 13 Mar 2025, 13:21

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 12:10.576 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
27.512
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 8.709
And I prepare Tails for memory erasure tests 0.581
When I start a process allocating 128 MiB of memory with a known pattern 1.308
Then patterns cover at least 128 MiB in the guest's memory 5.656 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.392
Then I find very few patterns in the guest's memory after 5 seconds 9.863 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.946
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 10.214
And I prepare Tails for memory erasure tests 0.566
And I find very few patterns in the guest's memory 4.017 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.019
Then patterns cover at least 99% of the test FS size in the guest's memory 4.481 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.752
Then I find very few patterns in the guest's memory after 3 seconds 6.894 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.992
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 9.019
And I prepare Tails for memory erasure tests 0.686
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.115
Then I find very few patterns in the guest's memory 4.202 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.450
Then patterns cover at least 75% of the test FS size in the guest's memory 4.470 
Pattern coverage: 87.005% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.970
Then I find very few patterns in the guest's memory after 3 seconds 6.702 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.306
And I read the content of the test FS 2.057
Then patterns cover at least 99% of the test FS size in the guest's memory 3.788 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 6.670 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.126
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.079
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.095
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.842
Then I find very few patterns in the guest's memory 3.198 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.313
Then patterns cover at least 99% of the test FS size in the guest's memory 3.639 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 5.971 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 4.488
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.478 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.861
Then I find very few patterns in the guest's memory after 3 seconds 6.021 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 2.317
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.846
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 9.653
And I prepare Tails for memory erasure tests 0.554
When I fill a 128 MiB file with a known pattern on the root filesystem 18.742
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.200
Then patterns cover at least 128 MiB in the guest's memory 2.963 
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 20.719 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:7.199
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 7:23.285
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.066
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.415 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.597
After features/support/hooks.rb:100 0.015