Project Number Date
test_Tails_ISO_stable 4938 13 Jul 2024, 12:05

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 10:58.620 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
21.070
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.074
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 3.970 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.322
Then I find very few patterns in the guest's memory 4.938 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.837
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.241
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.506
And I find very few patterns in the guest's memory 4.138 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.176
Then patterns cover at least 99% of the test FS size in the guest's memory 3.637 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.790
Then I find very few patterns in the guest's memory 4.929 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.166
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.194
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.011
Then I find very few patterns in the guest's memory 4.267 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.683
Then patterns cover at least 86% of the test FS size in the guest's memory 3.888 
Pattern coverage: 93.614% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.724
Then I find very few patterns in the guest's memory 4.007 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.486
Then patterns cover at least 99% of the test FS size in the guest's memory 3.538 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory 3.949 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.254
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.027
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.719
Then I find very few patterns in the guest's memory 3.636 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.790
Then patterns cover at least 99% of the test FS size in the guest's memory 2.989 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.044
Then I find very few patterns in the guest's memory 4.049 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.729
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.142 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory 3.560 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.089
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.556
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.933
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the root filesystem 15.805
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.760
Then patterns cover at least 128 MiB in the guest's memory 2.718 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.045
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.736 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.332
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 6:42.464
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.882
When I trigger shutdown 0.012
And I wait 20 seconds 20.011 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.549 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.011