Project Number Date
test_Tails_ISO_devel 3621 24 Dec 2024, 12:42

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 10:38.943 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
22.537
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.411
When I start a process allocating 128 MiB of memory with a known pattern 2.449
Then patterns cover at least 128 MiB in the guest's memory 4.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.846
Then I find very few patterns in the guest's memory after 3 seconds 5.799 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.147
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.369
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 2.818 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.041 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.803
Then I find very few patterns in the guest's memory after 3 seconds 5.327 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.847
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.863
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.975
Then I find very few patterns in the guest's memory 2.909 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.738
Then patterns cover at least 75% of the test FS size in the guest's memory 3.161 
Pattern coverage: 88.492% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.818
Then I find very few patterns in the guest's memory after 3 seconds 5.850 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.350
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.056 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.001% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 2.146
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.731
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.104
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.001
Then I find very few patterns in the guest's memory 2.099 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.536
Then patterns cover at least 99% of the test FS size in the guest's memory 2.592 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 5.231 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 5.719
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.663 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 5.298 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.105
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.130
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.898
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 17.049
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.632
Then patterns cover at least 128 MiB in the guest's memory 2.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.761 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:3.327
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 6:19.629
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.072
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.012