Project Number Date
test_Tails_ISO_stable 4744 26 Mar 2024, 18:00

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 10:6.749 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
18.571
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.011
And I prepare Tails for memory erasure tests 0.613
When I start a process allocating 128 MiB of memory with a known pattern 1.206
Then patterns cover at least 128 MiB in the guest's memory 3.694 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.294
Then I find very few patterns in the guest's memory 3.750 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:291 1.284
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.569
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.977
And I prepare Tails for memory erasure tests 0.710
And I find very few patterns in the guest's memory 4.643 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.035
Then patterns cover at least 99% of the test FS size in the guest's memory 3.198 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.128
Then I find very few patterns in the guest's memory 3.876 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:291 0.740
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
39.017
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.211
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.872
Then I find very few patterns in the guest's memory 3.940 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.082
Then patterns cover at least 86% of the test FS size in the guest's memory 3.207 
Pattern coverage: 90.473% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.003
Then I find very few patterns in the guest's memory 3.528 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
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 3.709 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.599
Then I find very few patterns in the guest's memory 3.776 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:291 1.632
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.176
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.920
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.883
Then I find very few patterns in the guest's memory 3.560 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.960
Then patterns cover at least 99% of the test FS size in the guest's memory 2.792 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.325
Then I find very few patterns in the guest's memory 3.144 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.176
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 3.561 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.942
Then I find very few patterns in the guest's memory 3.946 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:291 0.952
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.806
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.023
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 15.950
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.105
Then patterns cover at least 128 MiB in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
And I wait 20 seconds 20.012 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.961 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:291 3.556
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:49.607
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:4.911
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.946
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.319 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:291 3.550
After features/support/hooks.rb:75 0.032