Project Number Date
test_Tails_ISO_stable 5031 15 Aug 2024, 12:25

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 11:10.059 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
39.302
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.933
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 20.045
Then patterns cover at least 128 MiB in the guest's memory 3.996 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 3 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.041
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.381
And I find very few patterns in the guest's memory 4.796 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.679
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.741
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.193
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.410
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.996
And I prepare Tails for memory erasure tests 0.661
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.753
Then I find very few patterns in the guest's memory 3.210 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.521
Then patterns cover at least 75% of the test FS size in the guest's memory 3.752 
Pattern coverage: 88.747% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 13.958
Then I find very few patterns in the guest's memory after 3 seconds 6.339 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.388
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.624 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 6.186 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.496
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.963
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.256
Then I find very few patterns in the guest's memory 3.039 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.343
Then patterns cover at least 99% of the test FS size in the guest's memory 3.185 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.855
Then I find very few patterns in the guest's memory after 3 seconds 6.002 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.403
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 5.168 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.884
Then I find very few patterns in the guest's memory after 3 seconds 5.488 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.696
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.421
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.842
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 13.838
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.745
Then patterns cover at least 128 MiB in the guest's memory 2.843 
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 20.722 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:52.388
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 6:9.459
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.380
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.159 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.011