Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 47 05 Jul 2025, 10:22

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 12:16.614 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
25.949
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 10.848
And I prepare Tails for memory erasure tests 0.519
When I start a process allocating 128 MiB of memory with a known pattern 1.304
Then patterns cover at least 128 MiB in the guest's memory 3.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.590
Then I find very few patterns in the guest's memory after 5 seconds 9.609 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.111
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.550
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 8.719
And I prepare Tails for memory erasure tests 0.757
And I find very few patterns in the guest's memory 3.101 
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 1.549
Then patterns cover at least 99% of the test FS size in the guest's memory 5.482 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.157
Then I find very few patterns in the guest's memory after 3 seconds 5.783 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.130
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.164
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 10.813
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.086
Then I find very few patterns in the guest's memory 3.026 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.101
Then patterns cover at least 75% of the test FS size in the guest's memory 5.744 
Pattern coverage: 86.129% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.957
Then I find very few patterns in the guest's memory after 3 seconds 5.789 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.210 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 8.766 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.179
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.453
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 8.876
And I prepare Tails for memory erasure tests 0.552
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.071
Then I find very few patterns in the guest's memory 3.024 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.806
Then patterns cover at least 99% of the test FS size in the guest's memory 3.682 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.875
Then I find very few patterns in the guest's memory after 3 seconds 5.680 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.075
And I read the content of the test FS 0.496
Then patterns cover at least 99% of the test FS size in the guest's memory 2.864 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.420
Then I find very few patterns in the guest's memory after 3 seconds 6.027 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.721
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
49.746
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 9.020
And I prepare Tails for memory erasure tests 0.538
When I fill a 128 MiB file with a known pattern on the root filesystem 15.096
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.715
Then patterns cover at least 128 MiB in the guest's memory 2.564 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 20.785 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:21.749
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 7:35.906
And I prepare Tails for memory erasure tests 0.611
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.505
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.703 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 3.735
After features/support/hooks.rb:100 0.012