Project Number Date
test_Tails_ISO_stable 5518 17 Mar 2025, 13:01

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 12:5.745 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
30.616
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 8.155
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 2.369
Then patterns cover at least 128 MiB in the guest's memory 6.051 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.716
Then I find very few patterns in the guest's memory after 5 seconds 11.917 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.535
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 8.847
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 3.047 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.911
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.216
Then I find very few patterns in the guest's memory after 3 seconds 7.521 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.913
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.129
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 8.655
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.181
Then I find very few patterns in the guest's memory 6.739 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.460
Then patterns cover at least 75% of the test FS size in the guest's memory 10.669 
Pattern coverage: 89.971% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.495
Then I find very few patterns in the guest's memory after 3 seconds 11.102 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.696
And I read the content of the test FS 0.763
Then patterns cover at least 99% of the test FS size in the guest's memory 8.873 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.266
Then I find very few patterns in the guest's memory after 3 seconds 6.682 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.061
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.811
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 8.265
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.517
Then I find very few patterns in the guest's memory 3.160 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.316
Then patterns cover at least 99% of the test FS size in the guest's memory 3.463 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.153
Then I find very few patterns in the guest's memory after 3 seconds 6.043 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.744
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 3.623 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.452
Then I find very few patterns in the guest's memory after 3 seconds 7.180 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.395
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.095
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 8.884
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the root filesystem 16.880
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.839
Then patterns cover at least 128 MiB in the guest's memory 3.086 
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 20.828 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.699
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.556
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 7:3.364
And I prepare Tails for memory erasure tests 0.570
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.301
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.308 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.600
After features/support/hooks.rb:100 0.011