Project Number Date
test_Tails_ISO_tca-misc-improvements 10 17 Apr 2025, 18:40

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 11:14.272 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
25.095
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 9.336
And I prepare Tails for memory erasure tests 0.637
When I start a process allocating 128 MiB of memory with a known pattern 1.555
Then patterns cover at least 128 MiB in the guest's memory 4.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.750
Then I find very few patterns in the guest's memory after 5 seconds 8.650 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.022
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 7.930
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 3.655 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 4.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.268
Then I find very few patterns in the guest's memory after 3 seconds 6.297 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.667
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.086
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 8.086
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.966
Then I find very few patterns in the guest's memory 3.167 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.230
Then patterns cover at least 75% of the test FS size in the guest's memory 4.150 
Pattern coverage: 87.311% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.462
Then I find very few patterns in the guest's memory after 3 seconds 6.465 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.197
And I read the content of the test FS 0.679
Then patterns cover at least 99% of the test FS size in the guest's memory 4.390 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.648
Then I find very few patterns in the guest's memory after 3 seconds 6.239 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.707
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 9.327
And I prepare Tails for memory erasure tests 1.391
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.635
Then I find very few patterns in the guest's memory 2.847 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.398
Then patterns cover at least 99% of the test FS size in the guest's memory 2.762 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.033
Then I find very few patterns in the guest's memory after 3 seconds 6.403 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 5.963
And I read the content of the test FS 1.124
Then patterns cover at least 99% of the test FS size in the guest's memory 3.412 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.902 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.666
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 8.072
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 19.908
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.792
Then patterns cover at least 128 MiB in the guest's memory 2.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.803 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.693
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 6:30.187
And I prepare Tails for memory erasure tests 0.931
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.304
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.251 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.015