Project Number Date
test_Tails_ISO_20522-ocr-more 21 30 Dec 2024, 05:05

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 11:32.336 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
27.104
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.324
And I prepare Tails for memory erasure tests 0.570
When I start a process allocating 128 MiB of memory with a known pattern 2.488
Then patterns cover at least 128 MiB in the guest's memory 4.531 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.540
Then I find very few patterns in the guest's memory after 3 seconds 6.648 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 3.234
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.579
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.211
And I prepare Tails for memory erasure tests 0.565
And I find very few patterns in the guest's memory 3.737 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.808
Then patterns cover at least 99% of the test FS size in the guest's memory 4.131 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.458
Then I find very few patterns in the guest's memory after 3 seconds 6.667 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.857
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.444
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.185
Then I find very few patterns in the guest's memory 3.890 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.354
Then patterns cover at least 75% of the test FS size in the guest's memory 5.329 
Pattern coverage: 80.019% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.014
Then I find very few patterns in the guest's memory after 3 seconds 6.687 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 0.338
And I read the content of the test FS 1.110
Then patterns cover at least 99% of the test FS size in the guest's memory 4.171 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.936
Then I find very few patterns in the guest's memory after 3 seconds 6.904 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 0.937
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.309
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.389
And I prepare Tails for memory erasure tests 0.634
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.583
Then I find very few patterns in the guest's memory 2.411 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.910
Then patterns cover at least 99% of the test FS size in the guest's memory 2.767 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.806
Then I find very few patterns in the guest's memory after 3 seconds 5.692 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 4.706
And I read the content of the test FS 0.928
Then patterns cover at least 99% of the test FS size in the guest's memory 2.739 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.719
Then I find very few patterns in the guest's memory after 3 seconds 6.020 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 1.252
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.119
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.973
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 20.014
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.705
Then patterns cover at least 128 MiB in the guest's memory 3.281 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.666 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 3.571
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.366
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.179
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.495
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.245 
Pattern coverage: 0.000% (0 MiB out of 752 MiB reference memory)
After features/support/hooks.rb:326 3.589
After features/support/hooks.rb:100 0.013