Project Number Date
test_Tails_ISO_devel 3776 10 Apr 2025, 15:28

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 12:5.569 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
27.844
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 8.503
And I prepare Tails for memory erasure tests 0.692
When I start a process allocating 128 MiB of memory with a known pattern 4.376
Then patterns cover at least 128 MiB in the guest's memory 4.113 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.407
Then I find very few patterns in the guest's memory after 5 seconds 8.751 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.836
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.334
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 8.977
And I prepare Tails for memory erasure tests 0.737
And I find very few patterns in the guest's memory 3.938 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.784
Then patterns cover at least 99% of the test FS size in the guest's memory 4.555 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.614
Then I find very few patterns in the guest's memory after 3 seconds 6.725 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.037
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.396
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 8.379
And I prepare Tails for memory erasure tests 0.622
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.074
Then I find very few patterns in the guest's memory 3.878 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.850
Then patterns cover at least 75% of the test FS size in the guest's memory 4.036 
Pattern coverage: 87.338% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.460
Then I find very few patterns in the guest's memory after 3 seconds 8.674 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.279
And I read the content of the test FS 0.649
Then patterns cover at least 99% of the test FS size in the guest's memory 3.816 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 7.048 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.035
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.429
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.542
And I prepare Tails for memory erasure tests 0.620
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.321
Then I find very few patterns in the guest's memory 3.466 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.130
Then patterns cover at least 99% of the test FS size in the guest's memory 4.061 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.097
Then I find very few patterns in the guest's memory after 3 seconds 6.156 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.898
And I read the content of the test FS 0.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.910 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 6.064 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.960
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 8.277
And I prepare Tails for memory erasure tests 0.792
When I fill a 128 MiB file with a known pattern on the root filesystem 16.547
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.818
Then patterns cover at least 128 MiB in the guest's memory 3.508 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.000 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.603
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.782
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.885
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.438 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.652
After features/support/hooks.rb:100 0.013