Project Number Date
test_Tails_ISO_devel 3864 11 Jun 2025, 22:30

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 12:17.933 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
32.662
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 9.326
And I prepare Tails for memory erasure tests 0.516
When I start a process allocating 128 MiB of memory with a known pattern 2.420
Then patterns cover at least 128 MiB in the guest's memory 9.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.300
Then I find very few patterns in the guest's memory after 5 seconds 10.875 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.924
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.705
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 8.791
And I prepare Tails for memory erasure tests 0.575
And I find very few patterns in the guest's memory 4.013 
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 2.281
Then patterns cover at least 99% of the test FS size in the guest's memory 4.281 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.609
Then I find very few patterns in the guest's memory after 3 seconds 7.150 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.106
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 8.899
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.142
Then I find very few patterns in the guest's memory 3.916 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.486
Then patterns cover at least 75% of the test FS size in the guest's memory 4.347 
Pattern coverage: 85.814% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.252
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 4.138 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 6.764 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.883
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 8.709
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.327
Then I find very few patterns in the guest's memory 3.417 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.704
Then patterns cover at least 99% of the test FS size in the guest's memory 3.788 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.898
Then I find very few patterns in the guest's memory after 3 seconds 6.444 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 6.045
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 4.010 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.215
Then I find very few patterns in the guest's memory after 3 seconds 6.316 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.224
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.810
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 8.289
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the root filesystem 18.278
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.462
Then patterns cover at least 128 MiB in the guest's memory 3.362 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.915 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.602
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.765
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 7:22.944
And I prepare Tails for memory erasure tests 0.866
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.096
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.845 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.063