Project Number Date
test_Tails_ISO_devel 3755 26 Mar 2025, 16:27

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 10:49.239 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
22.112
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 8.029
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 1.232
Then patterns cover at least 128 MiB in the guest's memory 3.634 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.607
Then I find very few patterns in the guest's memory after 5 seconds 8.219 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.485
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 8.199
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 3.244 
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 2.124
Then patterns cover at least 99% of the test FS size in the guest's memory 3.775 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.421
Then I find very few patterns in the guest's memory after 3 seconds 6.287 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.294
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 8.204
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.912
Then I find very few patterns in the guest's memory 2.813 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.603
Then patterns cover at least 75% of the test FS size in the guest's memory 3.722 
Pattern coverage: 85.691% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 6.188 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.699
Then patterns cover at least 99% of the test FS size in the guest's memory 4.025 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 6.227 
Pattern coverage: 0.001% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 0.658
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.350
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 8.015
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.744
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 870 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 3.184 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.730 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 4.260
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.287
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.915
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 8.060
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 15.911
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.144
Then patterns cover at least 128 MiB in the guest's memory 2.535 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.840 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.081
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:30.171
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 22.195
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.288 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.013