Project Number Date
test_Tails_ISO_stable 5500 06 Mar 2025, 20:33

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 11:25.172 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
22.976
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 8.064
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 1.203
Then patterns cover at least 128 MiB in the guest's memory 3.934 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.035
Then I find very few patterns in the guest's memory after 5 seconds 8.271 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.756
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.368
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 7.923
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 3.964 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.234
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.674
Then I find very few patterns in the guest's memory after 3 seconds 6.189 
Pattern coverage: 0.000% (0 MiB out of 887 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
49.801
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 8.091
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.181
Then I find very few patterns in the guest's memory 3.199 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.112
Then patterns cover at least 75% of the test FS size in the guest's memory 3.678 
Pattern coverage: 89.047% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.305
Then I find very few patterns in the guest's memory after 3 seconds 6.435 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.293
And I read the content of the test FS 0.900
Then patterns cover at least 99% of the test FS size in the guest's memory 4.131 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.870
Then I find very few patterns in the guest's memory after 3 seconds 6.145 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.131
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.378
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 20.837
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.566
Then I find very few patterns in the guest's memory 2.646 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.805
Then patterns cover at least 99% of the test FS size in the guest's memory 3.033 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.145
Then I find very few patterns in the guest's memory after 3 seconds 5.799 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.849
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 3.129 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 5.915 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.688
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.712
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 7.944
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the root filesystem 16.002
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.731
Then patterns cover at least 128 MiB in the guest's memory 2.732 
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 20.794 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.935
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 6:47.018
And I prepare Tails for memory erasure tests 0.621
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.013
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.268 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.585
After features/support/hooks.rb:100 0.012