Project Number Date
test_Tails_ISO_devel 3773 09 Apr 2025, 15:20

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 12:2.674 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
25.423
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 8.350
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.431
Then patterns cover at least 128 MiB in the guest's memory 4.131 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.225
Then I find very few patterns in the guest's memory after 5 seconds 8.869 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.970
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.896
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 8.758
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 3.777 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.105
Then patterns cover at least 99% of the test FS size in the guest's memory 4.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.669
Then I find very few patterns in the guest's memory after 3 seconds 6.872 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.208
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 8.829
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.181
Then I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.736
Then patterns cover at least 75% of the test FS size in the guest's memory 5.364 
Pattern coverage: 90.173% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.403
Then I find very few patterns in the guest's memory after 3 seconds 6.781 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 0.772
Then patterns cover at least 99% of the test FS size in the guest's memory 4.254 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 6.887 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.939
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.487
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 8.869
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.599
Then I find very few patterns in the guest's memory 3.452 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.149
Then patterns cover at least 99% of the test FS size in the guest's memory 3.366 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.257
Then I find very few patterns in the guest's memory after 3 seconds 6.482 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 4.659
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 3.809 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.102 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.632
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.502
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 8.446
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the root filesystem 18.511
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.274
Then patterns cover at least 128 MiB in the guest's memory 3.508 
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 21.220 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.157
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 7:15.014
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.176
When I trigger shutdown 0.056
Then I find very few patterns in the guest's memory after 20 seconds 21.418 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.535
After features/support/hooks.rb:100 0.014