Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 18 08 Jun 2025, 09:07

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 11:54.740 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
24.865
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 8.061
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 2.396
Then patterns cover at least 128 MiB in the guest's memory 4.325 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.949
Then I find very few patterns in the guest's memory after 5 seconds 8.701 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.724
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 8.040
And I prepare Tails for memory erasure tests 0.493
And I find very few patterns in the guest's memory 3.681 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.120
Then patterns cover at least 99% of the test FS size in the guest's memory 4.035 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.571
Then I find very few patterns in the guest's memory after 3 seconds 6.782 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.788
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 8.449
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.209
Then I find very few patterns in the guest's memory 4.025 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.205
Then patterns cover at least 75% of the test FS size in the guest's memory 4.172 
Pattern coverage: 85.446% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 6.569 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.219
And I read the content of the test FS 4.995
Then patterns cover at least 99% of the test FS size in the guest's memory 4.306 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 6.631 
Pattern coverage: 0.000% (0 MiB out of 881 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
1:19.439
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 8.752
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.802
Then I find very few patterns in the guest's memory 3.125 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.462
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 6.208 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.509
And I read the content of the test FS 2.237
Then patterns cover at least 99% of the test FS size in the guest's memory 3.547 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 6.162 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.436
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.231
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 8.595
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 18.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.869
Then patterns cover at least 128 MiB in the guest's memory 3.090 
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 20.923 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.689
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 7:10.989
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.770
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.380 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.620
After features/support/hooks.rb:100 0.011