Project Number Date
test_Tails_ISO_stable 5029 14 Aug 2024, 12:28

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 11:28.815 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
23.061
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.464
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 1.244
Then patterns cover at least 128 MiB in the guest's memory 4.459 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.774
Then I find very few patterns in the guest's memory after 3 seconds 6.698 
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
28.027
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.852
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 3.772 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.499
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.594
Then I find very few patterns in the guest's memory after 3 seconds 6.169 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.966
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.417
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.089
Then I find very few patterns in the guest's memory 3.788 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.320
Then patterns cover at least 75% of the test FS size in the guest's memory 4.313 
Pattern coverage: 89.919% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.538
Then I find very few patterns in the guest's memory after 3 seconds 6.470 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 1.497
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 3.737 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.030
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.507
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.253
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.208
Then I find very few patterns in the guest's memory 2.928 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.896
Then patterns cover at least 99% of the test FS size in the guest's memory 3.201 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.979
Then I find very few patterns in the guest's memory after 3 seconds 5.644 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 5.415
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 3.002 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.484
Then I find very few patterns in the guest's memory after 3 seconds 5.645 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.458
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.925
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.702
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 15.645
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.479
Then patterns cover at least 128 MiB in the guest's memory 2.823 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.816 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.328
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 6:47.716
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.916
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.150 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.012