Project Number Date
test_Tails_ISO_stable 5276 18 Nov 2024, 12:53

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 11:51.617 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
25.083
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.814
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.609
Then patterns cover at least 128 MiB in the guest's memory 4.756 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.424
Then I find very few patterns in the guest's memory after 3 seconds 7.047 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.251
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.834
And I prepare Tails for memory erasure tests 0.494
And I find very few patterns in the guest's memory 3.942 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.026
Then patterns cover at least 99% of the test FS size in the guest's memory 4.599 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.588
Then I find very few patterns in the guest's memory after 3 seconds 6.765 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.219
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.254
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.559
Then I find very few patterns in the guest's memory 3.616 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.031
Then patterns cover at least 75% of the test FS size in the guest's memory 4.349 
Pattern coverage: 86.760% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.741
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.760
And I read the content of the test FS 0.857
Then patterns cover at least 99% of the test FS size in the guest's memory 4.291 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory after 3 seconds 8.878 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.659
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.174
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.447
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.293
Then I find very few patterns in the guest's memory 3.170 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.290
Then patterns cover at least 99% of the test FS size in the guest's memory 3.198 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.222
Then I find very few patterns in the guest's memory after 3 seconds 6.087 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.723
And I read the content of the test FS 0.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.601 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.317 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.246
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.123
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.917
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 15.550
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.617
Then patterns cover at least 128 MiB in the guest's memory 3.358 
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 21.189 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.674
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.765
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:5.025
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.906
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.346 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.011