Project Number Date
test_Tails_ISO_devel 3496 29 Aug 2024, 12:29

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 11:43.382 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
25.714
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.554
And I prepare Tails for memory erasure tests 0.516
When I start a process allocating 128 MiB of memory with a known pattern 2.518
Then patterns cover at least 128 MiB in the guest's memory 4.409 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.037
Then I find very few patterns in the guest's memory after 3 seconds 6.678 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 2.034
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.818
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.091 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.776
Then patterns cover at least 99% of the test FS size in the guest's memory 4.096 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.655
Then I find very few patterns in the guest's memory after 3 seconds 6.343 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.795
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.562
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.473
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.589
Then I find very few patterns in the guest's memory 3.948 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.246
Then patterns cover at least 75% of the test FS size in the guest's memory 4.498 
Pattern coverage: 92.481% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.311
Then I find very few patterns in the guest's memory after 3 seconds 6.768 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.578
Then patterns cover at least 99% of the test FS size in the guest's memory 4.707 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.960
Then I find very few patterns in the guest's memory after 3 seconds 6.683 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.653
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.652
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.732
And I prepare Tails for memory erasure tests 0.633
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.843
Then I find very few patterns in the guest's memory 3.091 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.148
Then patterns cover at least 99% of the test FS size in the guest's memory 3.509 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.463
Then I find very few patterns in the guest's memory after 3 seconds 6.126 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 8.771
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 3.773 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.660
Then I find very few patterns in the guest's memory after 3 seconds 6.342 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.616
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 9.766
And I prepare Tails for memory erasure tests 0.589
When I fill a 128 MiB file with a known pattern on the root filesystem 14.658
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.090
Then patterns cover at least 128 MiB in the guest's memory 2.701 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.793 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.018
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 6:55.848
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.509
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.683
After features/support/hooks.rb:100 0.012