Project Number Date
test_Tails_ISO_stable 4562 11 Dec 2023, 12:15

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 14:14.742 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
18.170
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.782
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.725
Then patterns cover at least 128 MiB in the guest's memory 3.169 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.394
Then I find very few patterns in the guest's memory 3.645 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 0.691
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.090
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.785
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.633 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.224
Then patterns cover at least 99% of the test FS size in the guest's memory 3.125 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.289
Then I find very few patterns in the guest's memory 3.621 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.742
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:16.810
Before features/support/hooks.rb:245 0.001
Given I have started Tails from DVD without network and logged in 7.804
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.815
Then I find very few patterns in the guest's memory 3.721 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:40.270
Then patterns cover at least 86% of the test FS size in the guest's memory 3.109 
Pattern coverage: 96.519% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory 3.586 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# read cache
When I mount the USB drive again 0.716
And I read the content of the test FS 0.826
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 2.378
Then I find very few patterns in the guest's memory 3.705 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
After features/support/hooks.rb:291 0.961
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:51.311
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.878
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.346
Then I find very few patterns in the guest's memory 3.426 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:55.022
Then patterns cover at least 99% of the test FS size in the guest's memory 2.896 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.913
Then I find very few patterns in the guest's memory 3.570 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
# read cache
When I mount the USB drive again 5.114
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 4.160 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.761
Then I find very few patterns in the guest's memory 3.359 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 0.950
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.961
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.944
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 14.081
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.411
Then patterns cover at least 128 MiB in the guest's memory 2.652 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.652
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.734 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 3.438
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:54.397
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:6.125
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.218
When I trigger shutdown 0.343
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.214 
Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)
After features/support/hooks.rb:291 3.449
After features/support/hooks.rb:75 0.049