Project Number Date
test_Tails_ISO_feature-arti 7 24 Mar 2025, 16:51

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 11:23.735 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
36.208
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 21.078
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 1.284
Then patterns cover at least 128 MiB in the guest's memory 4.344 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.617
Then I find very few patterns in the guest's memory after 5 seconds 8.403 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.461
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 8.294
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 3.352 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.717
Then I find very few patterns in the guest's memory after 3 seconds 6.225 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.729
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 8.310
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.535
Then I find very few patterns in the guest's memory 3.505 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.362
Then patterns cover at least 75% of the test FS size in the guest's memory 3.890 
Pattern coverage: 85.477% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 6.476 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.319
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 3.870 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.552
Then I find very few patterns in the guest's memory after 3 seconds 6.853 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 0.987
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.044
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 8.285
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.632
Then I find very few patterns in the guest's memory 3.005 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.790
Then patterns cover at least 99% of the test FS size in the guest's memory 3.320 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.719
Then I find very few patterns in the guest's memory after 3 seconds 5.939 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.867
And I read the content of the test FS 3.234
Then patterns cover at least 99% of the test FS size in the guest's memory 4.015 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 6.045 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 2.103
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.730
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 8.327
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 17.813
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.266
Then patterns cover at least 128 MiB in the guest's memory 2.905 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.895 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.561
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 6:37.790
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.106
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.175 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.502
After features/support/hooks.rb:100 0.012