Project Number Date
test_Tails_ISO_stable 5669 22 May 2025, 08:54

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 10:53.566 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
24.970
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 8.877
And I prepare Tails for memory erasure tests 0.660
When I start a process allocating 128 MiB of memory with a known pattern 1.291
Then patterns cover at least 128 MiB in the guest's memory 5.523 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.431
Then I find very few patterns in the guest's memory after 5 seconds 8.186 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.100
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 8.453
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 3.601 
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 1.619
Then patterns cover at least 99% of the test FS size in the guest's memory 4.088 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.349
Then I find very few patterns in the guest's memory after 3 seconds 6.601 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.701
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.018
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 8.193
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.113
Then I find very few patterns in the guest's memory 4.818 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.008
Then patterns cover at least 75% of the test FS size in the guest's memory 4.828 
Pattern coverage: 86.252% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.414
Then I find very few patterns in the guest's memory after 3 seconds 7.678 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.281
And I read the content of the test FS 1.149
Then patterns cover at least 99% of the test FS size in the guest's memory 4.057 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 10.467 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.229
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.079
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 10.589
And I prepare Tails for memory erasure tests 0.663
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.371
Then I find very few patterns in the guest's memory 2.791 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 2.662 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 5.681 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 3.953
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 3.325 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 5.861 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.347
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.828
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 7.944
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 17.163
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.799
Then patterns cover at least 128 MiB in the guest's memory 2.744 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.743 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:2.568
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 6:18.883
And I prepare Tails for memory erasure tests 0.902
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.527
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.242 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.013