Project Number Date
test_Tails_ISO_stable 5145 05 Oct 2024, 12:20

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 11:26.439 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
24.673
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.954
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 4.398
Then patterns cover at least 128 MiB in the guest's memory 4.289 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.041
Then I find very few patterns in the guest's memory after 3 seconds 6.588 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.742
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.428
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 3.185 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.885
Then patterns cover at least 99% of the test FS size in the guest's memory 3.738 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.944
Then I find very few patterns in the guest's memory after 3 seconds 6.118 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.460
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.478
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.067
Then I find very few patterns in the guest's memory 3.219 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.688
Then patterns cover at least 75% of the test FS size in the guest's memory 3.538 
Pattern coverage: 89.677% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.549
Then I find very few patterns in the guest's memory after 3 seconds 6.111 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.719
Then patterns cover at least 99% of the test FS size in the guest's memory 3.551 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.684
Then I find very few patterns in the guest's memory after 3 seconds 6.074 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.774
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.176
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" 35.543
Then I find very few patterns in the guest's memory 2.616 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.956
Then patterns cover at least 99% of the test FS size in the guest's memory 2.603 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.271
Then I find very few patterns in the guest's memory after 3 seconds 5.598 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 14.669
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.884 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.009
Then I find very few patterns in the guest's memory after 3 seconds 5.583 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 2.304
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.744
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.388
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 13.350
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.027
Then patterns cover at least 128 MiB in the guest's memory 2.769 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.043
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:48.893
And I prepare Tails for memory erasure tests 1.160
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.876
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.099 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.011