Project Number Date
test_Tails_ISO_stable 5634 08 May 2025, 08:55

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 11:16.153 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
24.177
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 8.218
And I prepare Tails for memory erasure tests 0.571
When I start a process allocating 128 MiB of memory with a known pattern 2.887
Then patterns cover at least 128 MiB in the guest's memory 3.339 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.579
Then I find very few patterns in the guest's memory after 5 seconds 8.581 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.253
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 7.955
And I prepare Tails for memory erasure tests 0.482
And I find very few patterns in the guest's memory 3.234 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.732
Then patterns cover at least 99% of the test FS size in the guest's memory 3.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.343
Then I find very few patterns in the guest's memory after 3 seconds 6.628 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.205
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 8.141
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.066
Then I find very few patterns in the guest's memory 3.698 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.342
Then patterns cover at least 75% of the test FS size in the guest's memory 3.968 
Pattern coverage: 87.142% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.244
Then I find very few patterns in the guest's memory after 3 seconds 7.482 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.221
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 3.908 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.602 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.001
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 8.643
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.369
Then I find very few patterns in the guest's memory 3.111 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.389 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.060
Then I find very few patterns in the guest's memory after 3 seconds 7.008 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 3.962
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 2.961 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory after 3 seconds 5.432 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.447
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.702
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 7.872
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the root filesystem 15.892
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.741
Then patterns cover at least 128 MiB in the guest's memory 2.828 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.849 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.814
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 6:51.067
And I prepare Tails for memory erasure tests 0.352
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.241
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.141 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.048