Project Number Date
test_Tails_ISO_devel 3379 08 May 2024, 12:56

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 11:50.172 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
24.202
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 11.050
And I prepare Tails for memory erasure tests 0.491
When I start a process allocating 128 MiB of memory with a known pattern 1.196
Then patterns cover at least 128 MiB in the guest's memory 5.733 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.265
Then I find very few patterns in the guest's memory 4.466 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:305 1.404
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.596
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.474
And I prepare Tails for memory erasure tests 0.653
And I find very few patterns in the guest's memory 4.576 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 3.886 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.690
Then I find very few patterns in the guest's memory 4.415 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:305 1.194
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
58.217
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.587
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.363
Then I find very few patterns in the guest's memory 5.178 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.862
Then patterns cover at least 86% of the test FS size in the guest's memory 4.099 
Pattern coverage: 88.061% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.231
Then I find very few patterns in the guest's memory 5.012 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 3.914
Then patterns cover at least 99% of the test FS size in the guest's memory 5.340 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory 6.267 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:305 0.808
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:23.231
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.762
And I prepare Tails for memory erasure tests 0.571
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.258
Then I find very few patterns in the guest's memory 4.321 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.118
Then patterns cover at least 99% of the test FS size in the guest's memory 4.459 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.865
Then I find very few patterns in the guest's memory 4.379 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# read cache
When I mount the USB drive again 6.642
And I read the content of the test FS 3.169
Then patterns cover at least 99% of the test FS size in the guest's memory 3.577 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.370
Then I find very few patterns in the guest's memory 3.733 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:305 0.905
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
52.680
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.528
And I prepare Tails for memory erasure tests 0.683
When I fill a 128 MiB file with a known pattern on the root filesystem 15.729
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.542
Then patterns cover at least 128 MiB in the guest's memory 3.243 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.925 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:305 3.502
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:47.242
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:2.709
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.865
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.194 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:305 3.526
After features/support/hooks.rb:89 0.012