Project Number Date
test_Tails_ISO_stable 5750 30 Jun 2025, 10:42

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 13:22.260 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
26.845
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 10.536
And I prepare Tails for memory erasure tests 0.505
When I start a process allocating 128 MiB of memory with a known pattern 1.243
Then patterns cover at least 128 MiB in the guest's memory 3.511 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.607
Then I find very few patterns in the guest's memory after 5 seconds 10.441 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.153
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.866
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 9.327
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 2.995 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.834
Then patterns cover at least 99% of the test FS size in the guest's memory 4.172 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.535
Then I find very few patterns in the guest's memory after 3 seconds 6.498 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.962
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.143
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 10.602
And I prepare Tails for memory erasure tests 0.635
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.401
Then I find very few patterns in the guest's memory 2.968 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.775
Then patterns cover at least 75% of the test FS size in the guest's memory 4.153 
Pattern coverage: 87.733% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.755
Then I find very few patterns in the guest's memory after 3 seconds 6.114 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
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 3.489 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.490
Then I find very few patterns in the guest's memory after 3 seconds 7.862 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.273
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:45.758
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 24.715
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 45.564
Then I find very few patterns in the guest's memory 2.594 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.566
Then patterns cover at least 99% of the test FS size in the guest's memory 4.284 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 5.516 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.878
And I read the content of the test FS 0.852
Then patterns cover at least 99% of the test FS size in the guest's memory 4.490 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.617
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.195
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 10.239
And I prepare Tails for memory erasure tests 0.710
When I fill a 128 MiB file with a known pattern on the root filesystem 18.521
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.851
Then patterns cover at least 128 MiB in the guest's memory 2.883 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.968 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.596
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:55.449
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 8:1.949
And I prepare Tails for memory erasure tests 0.594
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.471
When I trigger shutdown 0.124
Then I find very few patterns in the guest's memory after 20 seconds 22.309 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.748
After features/support/hooks.rb:100 0.013