Project Number Date
test_Tails_ISO_devel 3777 10 Apr 2025, 21:04

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 12:21.833 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
29.752
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 10.644
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 4.897
Then patterns cover at least 128 MiB in the guest's memory 4.126 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.813
Then I find very few patterns in the guest's memory after 5 seconds 8.805 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.261
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 8.585
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 3.810 
Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.175
Then patterns cover at least 99% of the test FS size in the guest's memory 4.603 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.647
Then I find very few patterns in the guest's memory after 3 seconds 6.933 
Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)
After features/support/hooks.rb:330 0.912
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.954
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 9.503
And I prepare Tails for memory erasure tests 0.660
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.250
Then I find very few patterns in the guest's memory 10.564 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.832
Then patterns cover at least 75% of the test FS size in the guest's memory 5.338 
Pattern coverage: 92.543% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.117
Then I find very few patterns in the guest's memory after 3 seconds 6.695 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.306
And I read the content of the test FS 3.991
Then patterns cover at least 99% of the test FS size in the guest's memory 4.290 
Pattern coverage: 100.681% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 6.957 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.029
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.666
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 9.097
And I prepare Tails for memory erasure tests 0.711
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.254
Then I find very few patterns in the guest's memory 4.983 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.869 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.066
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 5.163
And I read the content of the test FS 1.628
Then patterns cover at least 99% of the test FS size in the guest's memory 4.226 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 5.955 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.597
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 9.021
And I prepare Tails for memory erasure tests 0.609
When I fill a 128 MiB file with a known pattern on the root filesystem 15.851
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.986
Then patterns cover at least 128 MiB in the guest's memory 3.245 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.860 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.600
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 7:19.968
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.851
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.301 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.010