Project Number Date
test_Tails_ISO_stable 5581 17 Apr 2025, 22:25

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 12:19.542 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
28.219
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 8.608
And I prepare Tails for memory erasure tests 0.719
When I start a process allocating 128 MiB of memory with a known pattern 3.753
Then patterns cover at least 128 MiB in the guest's memory 5.013 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.233
Then I find very few patterns in the guest's memory after 5 seconds 8.890 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.071
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.913
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.722 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.493
Then patterns cover at least 99% of the test FS size in the guest's memory 6.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.784
Then I find very few patterns in the guest's memory after 3 seconds 6.665 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.533
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 9.006
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.651
Then I find very few patterns in the guest's memory 3.866 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.492
Then patterns cover at least 75% of the test FS size in the guest's memory 4.326 
Pattern coverage: 88.021% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 6.499 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 4.036 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.815
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.222
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 9.230
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" 42.982
Then I find very few patterns in the guest's memory 3.557 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.005
Then patterns cover at least 99% of the test FS size in the guest's memory 4.658 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.900
Then I find very few patterns in the guest's memory after 3 seconds 6.114 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.209
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.589 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory after 3 seconds 6.145 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.294
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.503
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 8.492
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 18.198
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.334
Then patterns cover at least 128 MiB in the guest's memory 3.128 
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 20.919 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:12.992
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:29.127
And I prepare Tails for memory erasure tests 0.790
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.715
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.344 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 3.567
After features/support/hooks.rb:100 0.014