Project Number Date
test_Tails_ISO_devel 3816 17 May 2025, 10:10

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 12:3.930 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
23.908
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 8.095
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.282
Then patterns cover at least 128 MiB in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.460
Then I find very few patterns in the guest's memory after 5 seconds 8.378 
Pattern coverage: 0.000% (0 MiB out of 903 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
28.646
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 8.316
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.016
Then patterns cover at least 99% of the test FS size in the guest's memory 4.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.668
Then I find very few patterns in the guest's memory after 3 seconds 6.511 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.366
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 8.190
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.433
Then I find very few patterns in the guest's memory 3.848 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.627
Then patterns cover at least 75% of the test FS size in the guest's memory 5.488 
Pattern coverage: 90.045% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.269
Then I find very few patterns in the guest's memory after 3 seconds 6.036 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.307
And I read the content of the test FS 0.826
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.859
Then I find very few patterns in the guest's memory after 3 seconds 6.892 
Pattern coverage: 0.000% (0 MiB out of 897 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
1:23.993
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 8.482
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.039
Then I find very few patterns in the guest's memory 2.725 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.650
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.758
Then I find very few patterns in the guest's memory after 3 seconds 5.977 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 13.234
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.902 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 5.880 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.429
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.186
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 7.997
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the root filesystem 16.132
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.728
Then patterns cover at least 128 MiB in the guest's memory 3.033 
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 20.899 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.828
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 7:16.360
And I prepare Tails for memory erasure tests 1.655
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.516
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.278 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.560
After features/support/hooks.rb:100 0.011