Project Number Date
test_Tails_ISO_devel 3488 21 Aug 2024, 12:26

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 11:15.155 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
27.669
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.296
Then patterns cover at least 128 MiB in the guest's memory 4.793 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.207
Then I find very few patterns in the guest's memory after 3 seconds 11.651 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.998
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.974
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.284
And I prepare Tails for memory erasure tests 0.559
And I find very few patterns in the guest's memory 3.333 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.721
Then patterns cover at least 99% of the test FS size in the guest's memory 4.302 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.622
Then I find very few patterns in the guest's memory after 3 seconds 7.149 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.676
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.117
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.096
Then I find very few patterns in the guest's memory 3.297 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.983
Then patterns cover at least 75% of the test FS size in the guest's memory 3.326 
Pattern coverage: 88.762% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.757
Then I find very few patterns in the guest's memory after 3 seconds 5.735 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# read cache
When I mount the USB drive again 1.208
And I read the content of the test FS 0.658
Then patterns cover at least 99% of the test FS size in the guest's memory 4.034 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.389
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.927
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.017
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.272
Then I find very few patterns in the guest's memory 2.478 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.719
Then patterns cover at least 99% of the test FS size in the guest's memory 2.915 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.486
Then I find very few patterns in the guest's memory after 3 seconds 5.524 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 5.319
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 2.967 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.869
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.321
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 17.324
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.681
Then patterns cover at least 128 MiB in the guest's memory 3.185 
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 20.861 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.037
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 6:33.691
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 22.638
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.251 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.012