Project Number Date
test_Tails_ISO_stable 5047 26 Aug 2024, 15:59

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 11:43.995 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
23.096
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.194
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 2.274
Then patterns cover at least 128 MiB in the guest's memory 4.111 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.997
Then I find very few patterns in the guest's memory after 3 seconds 6.035 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.093
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.345
And I prepare Tails for memory erasure tests 0.626
And I find very few patterns in the guest's memory 3.013 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.899
Then patterns cover at least 99% of the test FS size in the guest's memory 3.245 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.068
Then I find very few patterns in the guest's memory after 3 seconds 5.894 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.706
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.966
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.861
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.305
Then I find very few patterns in the guest's memory 3.166 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.742
Then patterns cover at least 75% of the test FS size in the guest's memory 4.052 
Pattern coverage: 87.528% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.421
Then I find very few patterns in the guest's memory after 3 seconds 6.409 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.447
And I read the content of the test FS 0.844
Then patterns cover at least 99% of the test FS size in the guest's memory 3.551 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 6.025 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.379
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.552
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.467
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.900
Then I find very few patterns in the guest's memory 3.432 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.641
Then patterns cover at least 99% of the test FS size in the guest's memory 3.653 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.413
Then I find very few patterns in the guest's memory after 3 seconds 6.105 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 7.525
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.916
Then I find very few patterns in the guest's memory after 3 seconds 5.991 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.245
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.025
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.637
And I prepare Tails for memory erasure tests 0.689
When I fill a 128 MiB file with a known pattern on the root filesystem 15.453
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.133
Then patterns cover at least 128 MiB in the guest's memory 3.198 
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 20.897 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.261
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 7:3.626
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 24.906
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.271 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.010