Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 52 08 Jul 2025, 11:09

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 12:48.868 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
29.627
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 8.838
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.686
Then patterns cover at least 128 MiB in the guest's memory 7.961 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.379
Then I find very few patterns in the guest's memory after 5 seconds 8.205 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.087
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.260
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 11.792
And I prepare Tails for memory erasure tests 0.473
And I find very few patterns in the guest's memory 3.797 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.829
Then patterns cover at least 99% of the test FS size in the guest's memory 4.116 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 7.847 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.987
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.335
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.541
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.829
Then I find very few patterns in the guest's memory 3.522 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.709
Then patterns cover at least 75% of the test FS size in the guest's memory 6.897 
Pattern coverage: 90.874% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.084
Then I find very few patterns in the guest's memory after 3 seconds 7.122 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 3.580 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.673
Then I find very few patterns in the guest's memory after 3 seconds 8.190 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.326
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:41.137
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 9.068
And I prepare Tails for memory erasure tests 0.502
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.757
Then I find very few patterns in the guest's memory 2.786 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.910
Then patterns cover at least 99% of the test FS size in the guest's memory 5.396 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 6.352 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.151
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 3.521 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 8.591 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.495
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.406
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the root filesystem 17.965
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.013
Then patterns cover at least 128 MiB in the guest's memory 6.290 
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 21.352 
Pattern coverage: 0.000% (0 MiB out of 896 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
8:14.012
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 7:28.352
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.683
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 21.395 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.625
After features/support/hooks.rb:100 0.012