Project Number Date
test_Tails_ISO_stable 5575 14 Apr 2025, 22:17

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 11:12.129 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
23.740
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 8.892
And I prepare Tails for memory erasure tests 0.650
When I start a process allocating 128 MiB of memory with a known pattern 1.238
Then patterns cover at least 128 MiB in the guest's memory 3.414 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.680
Then I find very few patterns in the guest's memory after 5 seconds 8.864 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.649
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.875
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 8.156
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 3.691 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.604 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.359
Then I find very few patterns in the guest's memory after 3 seconds 6.034 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.636
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.971
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 8.055
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.099
Then I find very few patterns in the guest's memory 3.814 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.392
Then patterns cover at least 75% of the test FS size in the guest's memory 4.200 
Pattern coverage: 84.620% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory after 3 seconds 6.396 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.386
And I read the content of the test FS 0.875
Then patterns cover at least 99% of the test FS size in the guest's memory 3.330 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.558
Then I find very few patterns in the guest's memory after 3 seconds 6.515 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.807
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.739
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 9.852
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.652
Then I find very few patterns in the guest's memory 3.014 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.871
Then patterns cover at least 99% of the test FS size in the guest's memory 3.374 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.896 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 3.733
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.286 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 5.908 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.617
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 8.217
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 16.648
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.527
Then patterns cover at least 128 MiB in the guest's memory 2.976 
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 20.797 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.184
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 6:46.972
And I prepare Tails for memory erasure tests 0.544
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.495
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.013