Project Number Date
test_Tails_ISO_stable 5476 21 Feb 2025, 15:49

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 11:42.865 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
27.688
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 8.514
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.443
Then patterns cover at least 128 MiB in the guest's memory 5.067 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.173
Then I find very few patterns in the guest's memory after 5 seconds 9.065 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.605
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 8.740
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 3.770 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.663
Then patterns cover at least 99% of the test FS size in the guest's memory 4.191 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.698
Then I find very few patterns in the guest's memory after 3 seconds 7.063 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 1.246
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.297
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 8.686
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.456
Then I find very few patterns in the guest's memory 4.674 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.020
Then patterns cover at least 75% of the test FS size in the guest's memory 9.937 
Pattern coverage: 86.530% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.174
Then I find very few patterns in the guest's memory after 3 seconds 10.375 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
And I read the content of the test FS 0.731
Then patterns cover at least 99% of the test FS size in the guest's memory 9.251 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.533
Then I find very few patterns in the guest's memory after 3 seconds 10.738 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.176
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.488
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 9.742
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.852
Then I find very few patterns in the guest's memory 2.521 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.793
Then patterns cover at least 99% of the test FS size in the guest's memory 2.754 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.265
Then I find very few patterns in the guest's memory after 3 seconds 5.564 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.805
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 3.479 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.627
Then I find very few patterns in the guest's memory after 3 seconds 6.106 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.673
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.947
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 8.859
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 19.765
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.754
Then patterns cover at least 128 MiB in the guest's memory 3.230 
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 20.888 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.836
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 6:39.864
And I prepare Tails for memory erasure tests 0.649
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.998
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.311 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.011