Project Number Date
test_Tails_ISO_devel 3746 20 Mar 2025, 13:25

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 11:52.742 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
26.890
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 2.332
Then patterns cover at least 128 MiB in the guest's memory 4.593 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.232
Then I find very few patterns in the guest's memory after 5 seconds 8.589 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 2.533
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.040
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.832
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 6.279 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.714
Then patterns cover at least 99% of the test FS size in the guest's memory 4.967 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.172
Then I find very few patterns in the guest's memory after 3 seconds 6.597 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.681
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.009
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.025
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.188
Then I find very few patterns in the guest's memory 3.741 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 75% of the test FS size in the guest's memory 3.812 
Pattern coverage: 85.563% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.311
Then I find very few patterns in the guest's memory after 3 seconds 6.510 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 1.283
Then patterns cover at least 99% of the test FS size in the guest's memory 4.050 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.335
Then I find very few patterns in the guest's memory after 3 seconds 6.538 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.822
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.016
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.414
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.009
Then I find very few patterns in the guest's memory 2.957 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 3.419 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 5.873 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.306
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 3.183 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.246
Then I find very few patterns in the guest's memory after 3 seconds 6.274 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 2.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.437
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 16.589
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.905
Then patterns cover at least 128 MiB in the guest's memory 2.589 
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 20.829 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.346
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.433
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.121
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.311 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.011