Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 11 20 Nov 2024, 17:07

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 11:18.607 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
23.260
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 4.045
Then patterns cover at least 128 MiB in the guest's memory 3.481 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.342
Then I find very few patterns in the guest's memory after 3 seconds 5.682 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.686
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.597
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 2.818 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.135
Then patterns cover at least 99% of the test FS size in the guest's memory 3.235 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.666
Then I find very few patterns in the guest's memory after 3 seconds 5.842 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.759
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.265
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.131
Then I find very few patterns in the guest's memory 2.971 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.971
Then patterns cover at least 75% of the test FS size in the guest's memory 3.936 
Pattern coverage: 86.193% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.688
Then I find very few patterns in the guest's memory after 3 seconds 6.506 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.521
Then patterns cover at least 99% of the test FS size in the guest's memory 3.914 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.523
Then I find very few patterns in the guest's memory after 3 seconds 6.461 
Pattern coverage: 0.000% (0 MiB out of 881 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
1:18.903
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.928
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.414
Then I find very few patterns in the guest's memory 2.584 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.652
Then patterns cover at least 99% of the test FS size in the guest's memory 2.600 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.933
Then I find very few patterns in the guest's memory after 3 seconds 5.284 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.511
And I read the content of the test FS 0.512
Then patterns cover at least 99% of the test FS size in the guest's memory 2.673 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.703 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.878
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.679
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.982
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the root filesystem 15.221
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.924
Then patterns cover at least 128 MiB in the guest's memory 2.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.712 
Pattern coverage: 0.000% (0 MiB out of 900 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
7:35.813
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 6:49.081
And I prepare Tails for memory erasure tests 0.888
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.360
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.469 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.010